首页 > 最新文献

Ecotoxicology最新文献

英文 中文
An evaluation of fish and invertebrate mercury concentrations in the Caribbean Region. 加勒比地区鱼类和无脊椎动物汞浓度评估。
IF 2.4 4区 环境科学与生态学 Q2 ECOLOGY Pub Date : 2024-07-01 Epub Date: 2024-06-05 DOI: 10.1007/s10646-024-02754-y
Linroy D Christian, Mark E H Burton, Azad Mohammed, Wendy Nelson, Tahlia Ali Shah, Laël Bertide-Josiah, Helen G Yurek, David C Evers

Mercury is a ubiquitous pollutant of global concern but the threat of exposure is not homogenously distributed at local, regional, or global scales. The primary route of human exposure to mercury is through consumption of aquatic foods, which are culturally and economically important in the wider Caribbean Region, especially for Small Island Developing States (SIDS). We compiled more than 1600 samples of 108 unique species of fish and aquatic invertebrates collected between 2005 and 2023 from eleven countries or territories in the wider Caribbean Region. There was wide variability in total mercury concentrations with 55% of samples below the 0.23 µg/g wet weight (ww) guideline from the U.S. FDA/EPA (2022) for 2 or 3 weekly servings and 26% exceeding the 0.46 µg/g ww guideline consistent with adverse effects on human health from continual consumption, particularly for sensitive populations. Significant relationships were found between total mercury concentrations and taxonomic family, sampling country, fish length, and trophic level. The data analyzed here support the need for further sampling with concrete geospatial data to better understand patterns and mechanisms in mercury concentrations and allow for more informed decision making on the consumption of fish and invertebrates from the wider Caribbean Region as well as supporting efforts to evaluate the effectiveness of national, regional, and international mercury policies.

汞是一种无处不在、全球关注的污染物,但汞暴露的威胁在地方、区域或全球范围内的分布并不均匀。人类接触汞的主要途径是食用水产食品,而水产食品在大加勒比地区,尤其是小岛屿发展中国家(SIDS)具有重要的文化和经济价值。我们汇编了 2005 年至 2023 年期间从大加勒比海地区 11 个国家或地区采集的 108 种独特鱼类和水生无脊椎动物的 1600 多份样本。总汞浓度的变化很大,55% 的样本低于美国 FDA/EPA(2022 年)规定的每周 2 次或 3 次食用的 0.23 微克/克(湿重)指导值,26% 的样本超过了 0.46 微克/克(湿重)指导值,持续食用会对人体健康产生不利影响,特别是对敏感人群。研究发现,总汞浓度与分类学家族、采样国家、鱼体长度和营养级之间存在显著关系。本文分析的数据表明,有必要利用具体的地理空间数据进行进一步采样,以更好地了解汞浓度的模式和机制,并就大加勒比海地区鱼类和无脊椎动物的消费做出更明智的决策,同时支持评估国家、地区和国际汞政策有效性的工作。
{"title":"An evaluation of fish and invertebrate mercury concentrations in the Caribbean Region.","authors":"Linroy D Christian, Mark E H Burton, Azad Mohammed, Wendy Nelson, Tahlia Ali Shah, Laël Bertide-Josiah, Helen G Yurek, David C Evers","doi":"10.1007/s10646-024-02754-y","DOIUrl":"10.1007/s10646-024-02754-y","url":null,"abstract":"<p><p>Mercury is a ubiquitous pollutant of global concern but the threat of exposure is not homogenously distributed at local, regional, or global scales. The primary route of human exposure to mercury is through consumption of aquatic foods, which are culturally and economically important in the wider Caribbean Region, especially for Small Island Developing States (SIDS). We compiled more than 1600 samples of 108 unique species of fish and aquatic invertebrates collected between 2005 and 2023 from eleven countries or territories in the wider Caribbean Region. There was wide variability in total mercury concentrations with 55% of samples below the 0.23 µg/g wet weight (ww) guideline from the U.S. FDA/EPA (2022) for 2 or 3 weekly servings and 26% exceeding the 0.46 µg/g ww guideline consistent with adverse effects on human health from continual consumption, particularly for sensitive populations. Significant relationships were found between total mercury concentrations and taxonomic family, sampling country, fish length, and trophic level. The data analyzed here support the need for further sampling with concrete geospatial data to better understand patterns and mechanisms in mercury concentrations and allow for more informed decision making on the consumption of fish and invertebrates from the wider Caribbean Region as well as supporting efforts to evaluate the effectiveness of national, regional, and international mercury policies.</p>","PeriodicalId":11497,"journal":{"name":"Ecotoxicology","volume":" ","pages":"397-414"},"PeriodicalIF":2.4,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11213769/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141247948","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Mercury in aquatic ecosystems of two indigenous communities in the Piedmont Ecuadorian Amazon: evidence from fish, water, and sediments. 厄瓜多尔亚马逊皮埃蒙特两个土著社区水生生态系统中的汞:来自鱼类、水和沉积物的证据。
IF 2.4 4区 环境科学与生态学 Q2 ECOLOGY Pub Date : 2024-07-01 Epub Date: 2024-06-07 DOI: 10.1007/s10646-024-02764-w
Daniel Escobar-Camacho, Daniela Rosero-López, Melany Ruiz-Urigüen, Karla S Barragán, Natalia Carpintero-Salvador, José R Daza, Allison Aldous, Silvia Benítez, Timothy Tear, Andrea C Encalada

Mercury is a highly toxic element present in water, soil, air, and biota. Anthropogenic activities, such as burning fossil fuels, mining, and deforestation, contribute to the presence and mobilization of mercury between environmental compartments. Although current research on mercury pathways has advanced our understanding of the risks associated with human exposure, limited information exists for remote areas with high diversity of fauna, flora, and indigenous communities. This study aims to deepen our understanding of the presence of total mercury in water, sediments, and fish, within aquatic ecosystems of two indigenous territories: Gomataon (Waorani Nationality) and Sinangoé (Ai´Cofán Nationality) in the Ecuadorian Amazon. Our findings indicate that, for most fish (91.5%), sediment (100%) and water (95.3%) samples, mercury levels fall under international limits. For fish, no significant differences in mercury levels were detected between the two communities. However, eight species exceeded recommended global limits, and one surpassed the threshold according to Ecuadorian legislation. Piscivore and omnivore fish exhibited the highest concentrations of total mercury among trophic guilds. Only one water sample from each community's territory exceeded these limits. Total mercury in sediments exhibited greater concentrations in Gomataon than Sinangoé. Greater levels of mercury in sediments were associated with the occurrence of total organic carbon. Considering that members of the communities consume the analyzed fish, an interdisciplinary approach, including isotopic analysis, methylmercury sampling in humans, and mercury monitoring over time, is imperative for a detailed risk assessment of mercury exposure in Amazonian communities.

汞是一种存在于水、土壤、空气和生物群中的剧毒元素。人类活动,如燃烧化石燃料、采矿和砍伐森林,都会导致汞在环境中的存在和流动。尽管目前对汞途径的研究已经加深了我们对人类接触汞的风险的了解,但对于动植物种类繁多的偏远地区和土著社区来说,这方面的信息还很有限。这项研究旨在加深我们对两个土著领地水生生态系统中水、沉积物和鱼类中总汞含量的了解:厄瓜多尔亚马逊地区的戈马塔翁(沃拉尼族)和西南戈埃(艾科凡族)。我们的研究结果表明,大多数鱼类样本(91.5%)、沉积物样本(100%)和水样本(95.3%)的汞含量都低于国际限值。在鱼类方面,两个社区的汞含量没有发现明显差异。不过,有 8 种鱼类的汞含量超过了建议的全球限值,有一种鱼类的汞含量超过了厄瓜多尔法律规定的阈值。在各营养类群中,食鱼和杂食鱼的总汞浓度最高。每个社区境内只有一个水样超过了这些限值。Gomataon 地区沉积物中的总汞浓度高于 Sinangoé地区。沉积物中更高的汞含量与总有机碳的出现有关。考虑到这些社区的成员食用所分析的鱼类,必须采用跨学科方法,包括同位素分析、人体甲基汞取样和长期汞监测,才能对亚马逊社区的汞暴露进行详细的风险评估。
{"title":"Mercury in aquatic ecosystems of two indigenous communities in the Piedmont Ecuadorian Amazon: evidence from fish, water, and sediments.","authors":"Daniel Escobar-Camacho, Daniela Rosero-López, Melany Ruiz-Urigüen, Karla S Barragán, Natalia Carpintero-Salvador, José R Daza, Allison Aldous, Silvia Benítez, Timothy Tear, Andrea C Encalada","doi":"10.1007/s10646-024-02764-w","DOIUrl":"10.1007/s10646-024-02764-w","url":null,"abstract":"<p><p>Mercury is a highly toxic element present in water, soil, air, and biota. Anthropogenic activities, such as burning fossil fuels, mining, and deforestation, contribute to the presence and mobilization of mercury between environmental compartments. Although current research on mercury pathways has advanced our understanding of the risks associated with human exposure, limited information exists for remote areas with high diversity of fauna, flora, and indigenous communities. This study aims to deepen our understanding of the presence of total mercury in water, sediments, and fish, within aquatic ecosystems of two indigenous territories: Gomataon (Waorani Nationality) and Sinangoé (Ai´Cofán Nationality) in the Ecuadorian Amazon. Our findings indicate that, for most fish (91.5%), sediment (100%) and water (95.3%) samples, mercury levels fall under international limits. For fish, no significant differences in mercury levels were detected between the two communities. However, eight species exceeded recommended global limits, and one surpassed the threshold according to Ecuadorian legislation. Piscivore and omnivore fish exhibited the highest concentrations of total mercury among trophic guilds. Only one water sample from each community's territory exceeded these limits. Total mercury in sediments exhibited greater concentrations in Gomataon than Sinangoé. Greater levels of mercury in sediments were associated with the occurrence of total organic carbon. Considering that members of the communities consume the analyzed fish, an interdisciplinary approach, including isotopic analysis, methylmercury sampling in humans, and mercury monitoring over time, is imperative for a detailed risk assessment of mercury exposure in Amazonian communities.</p>","PeriodicalId":11497,"journal":{"name":"Ecotoxicology","volume":" ","pages":"440-456"},"PeriodicalIF":2.4,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11213792/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141283263","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Elevated mercury exposure in bird communities inhabiting Artisanal and Small-Scale Gold Mining landscapes of the southeastern Peruvian Amazon. 居住在秘鲁亚马逊东南部手工和小规模采金业地区的鸟类群落中汞暴露水平升高。
IF 2.4 4区 环境科学与生态学 Q2 ECOLOGY Pub Date : 2024-07-01 Epub Date: 2024-02-16 DOI: 10.1007/s10646-024-02740-4
Jessica N Pisconte, Claudia M Vega, Christopher J Sayers, C Steven Sevillano-Ríos, Martin Pillaca, Edwin Quispe, Vania Tejeda, Cesar Ascorra, Miles R Silman, Luis E Fernandez

Artisanal and Small-Scale Gold Mining (ASGM) represents a significant source of anthropogenic mercury emissions to the environment, with potentially severe implications for avian biodiversity. In the Madre de Dios department of the southern Peruvian Amazon, ASGM activities have created landscapes marred by deforestation and post-mining water bodies (mining ponds) with notable methylation potential. While data on Hg contamination in terrestrial wildlife remains limited, this study measures Hg exposure in several terrestrial bird species as bioindicators. Total Hg (THg) levels in feathers from birds near water bodies, including mining ponds associated with ASGM areas and oxbow lakes, were analyzed. Our results showed significantly higher Hg concentrations in birds from ASGM sites with mean ± SD of 3.14 ± 7.97 µg/g (range: 0.27 to 72.75 µg/g, n = 312) compared to control sites with a mean of 0.47 ± 0.42 µg/g (range: 0.04 to 1.89 µg/g, n = 52). Factors such as trophic guilds, ASGM presence, and water body area significantly influenced feather Hg concentrations. Notably, piscivorous birds exhibited the highest Hg concentration (31.03 ± 25.25 µg/g, n = 12) exceeding known concentrations that affect reproductive success, where one measurement of Chloroceryle americana (Green kingfisher; 72.7 µg/g) is among the highest ever reported in South America. This research quantifies Hg exposure in avian communities in Amazonian regions affected by ASGM, highlighting potential risks to regional bird populations.

手工和小规模采金业(ASGM)是人为汞排放到环境中的一个重要来源,可能对鸟类生物多样性产生严重影响。在秘鲁亚马逊河南部的马德雷德迪奥斯省,手工和小规模采金活动造成了森林砍伐和采矿后水体(矿池)的破坏,具有显著的甲基化潜力。虽然有关陆生野生动物汞污染的数据仍然有限,但本研究测量了作为生物指标的几种陆生鸟类的汞暴露情况。研究分析了水体附近鸟类羽毛中的总汞(THg)含量,这些水体包括与小规模采金业相关的矿池和牛首湖。结果表明,与对照地点的平均值 0.47 ± 0.42 µg/g(范围:0.04 至 1.89 µg/g,n = 52)相比,来自个体和小规模采金业地点的鸟类体内的汞浓度明显较高,平均值(± SD)为 3.14 ± 7.97 µg/g(范围:0.27 至 72.75 µg/g,n = 312)。营养类群、ASGM 的存在和水体面积等因素对羽毛的汞浓度有显著影响。值得注意的是,食鱼鸟类的汞浓度最高(31.03 ± 25.25 µg/g,n = 12),超过了影响繁殖成功率的已知浓度,其中绿翠鸟(Chloroceryle americana;72.7 µg/g)的测量结果是南美洲报告的最高值之一。这项研究对亚马逊地区受个体和小规模采金业影响的鸟类群落的汞暴露进行了量化,凸显了该地区鸟类种群面临的潜在风险。
{"title":"Elevated mercury exposure in bird communities inhabiting Artisanal and Small-Scale Gold Mining landscapes of the southeastern Peruvian Amazon.","authors":"Jessica N Pisconte, Claudia M Vega, Christopher J Sayers, C Steven Sevillano-Ríos, Martin Pillaca, Edwin Quispe, Vania Tejeda, Cesar Ascorra, Miles R Silman, Luis E Fernandez","doi":"10.1007/s10646-024-02740-4","DOIUrl":"10.1007/s10646-024-02740-4","url":null,"abstract":"<p><p>Artisanal and Small-Scale Gold Mining (ASGM) represents a significant source of anthropogenic mercury emissions to the environment, with potentially severe implications for avian biodiversity. In the Madre de Dios department of the southern Peruvian Amazon, ASGM activities have created landscapes marred by deforestation and post-mining water bodies (mining ponds) with notable methylation potential. While data on Hg contamination in terrestrial wildlife remains limited, this study measures Hg exposure in several terrestrial bird species as bioindicators. Total Hg (THg) levels in feathers from birds near water bodies, including mining ponds associated with ASGM areas and oxbow lakes, were analyzed. Our results showed significantly higher Hg concentrations in birds from ASGM sites with mean ± SD of 3.14 ± 7.97 µg/g (range: 0.27 to 72.75 µg/g, n = 312) compared to control sites with a mean of 0.47 ± 0.42 µg/g (range: 0.04 to 1.89 µg/g, n = 52). Factors such as trophic guilds, ASGM presence, and water body area significantly influenced feather Hg concentrations. Notably, piscivorous birds exhibited the highest Hg concentration (31.03 ± 25.25 µg/g, n = 12) exceeding known concentrations that affect reproductive success, where one measurement of Chloroceryle americana (Green kingfisher; 72.7 µg/g) is among the highest ever reported in South America. This research quantifies Hg exposure in avian communities in Amazonian regions affected by ASGM, highlighting potential risks to regional bird populations.</p>","PeriodicalId":11497,"journal":{"name":"Ecotoxicology","volume":" ","pages":"472-483"},"PeriodicalIF":2.4,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139740627","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Global mercury concentrations in biota: their use as a basis for a global biomonitoring framework 生物群中的全球汞浓度:将其作为全球生物监测框架的基础
IF 2.7 4区 环境科学与生态学 Q2 ECOLOGY Pub Date : 2024-04-29 DOI: 10.1007/s10646-024-02747-x
David C. Evers, Joshua T. Ackerman, Staffan Åkerblom, Dominique Bally, Nil Basu, Kevin Bishop, Nathalie Bodin, Hans Fredrik Veiteberg Braaten, Mark E. H. Burton, Paco Bustamante, Celia Chen, John Chételat, Linroy Christian, Rune Dietz, Paul Drevnick, Collin Eagles-Smith, Luis E. Fernandez, Neil Hammerschlag, Mireille Harmelin-Vivien, Agustin Harte, Eva M. Krümmel, José Lailson Brito, Gabriela Medina, Cesar Augusto Barrios Rodriguez, Iain Stenhouse, Elsie Sunderland, Akinori Takeuchi, Tim Tear, Claudia Vega, Simon Wilson, Pianpian Wu

An important provision of the Minamata Convention on Mercury is to monitor and evaluate the effectiveness of the adopted measures and its implementation. Here, we describe for the first time currently available biotic mercury (Hg) data on a global scale to improve the understanding of global efforts to reduce the impact of Hg pollution on people and the environment. Data from the peer-reviewed literature were compiled in the Global Biotic Mercury Synthesis (GBMS) database (>550,000 data points). These data provide a foundation for establishing a biomonitoring framework needed to track Hg concentrations in biota globally. We describe Hg exposure in the taxa identified by the Minamata Convention: fish, sea turtles, birds, and marine mammals. Based on the GBMS database, Hg concentrations are presented at relevant geographic scales for continents and oceanic basins. We identify some effective regional templates for monitoring methylmercury (MeHg) availability in the environment, but overall illustrate that there is a general lack of regional biomonitoring initiatives around the world, especially in Africa, Australia, Indo-Pacific, Middle East, and South Atlantic and Pacific Oceans. Temporal trend data for Hg in biota are generally limited. Ecologically sensitive sites (where biota have above average MeHg tissue concentrations) have been identified throughout the world. Efforts to model and quantify ecosystem sensitivity locally, regionally, and globally could help establish effective and efficient biomonitoring programs. We present a framework for a global Hg biomonitoring network that includes a three-step continental and oceanic approach to integrate existing biomonitoring efforts and prioritize filling regional data gaps linked with key Hg sources. We describe a standardized approach that builds on an evidence-based evaluation to assess the Minamata Convention’s progress to reduce the impact of global Hg pollution on people and the environment.

关于汞的水俣公约》的一项重要规定是监测和评估所采取的措施及其实施的有效性。在此,我们首次介绍了全球范围内现有的生物汞(Hg)数据,以提高人们对全球为减少汞污染对人类和环境的影响所做努力的认识。来自同行评议文献的数据被编入全球生物汞合成(GBMS)数据库(55 万个数据点)。这些数据为建立生物监测框架奠定了基础,该框架是跟踪全球生物群中汞浓度所必需的。我们描述了《水俣公约》确定的分类群(鱼类、海龟、鸟类和海洋哺乳动物)中的汞暴露情况。在 GBMS 数据库的基础上,介绍了各大洲和大洋盆地相关地理尺度的汞浓度。我们确定了一些有效的区域性甲基汞(MeHg)环境监测模板,但总体而言,全球普遍缺乏区域性生物监测计划,尤其是在非洲、澳大利亚、印度洋-太平洋、中东、南大西洋和太平洋。生物群中汞含量的时间趋势数据普遍有限。生态敏感点(生物群的甲基汞组织浓度高于平均水平)已在世界各地确定。对地方、区域和全球生态系统敏感性进行建模和量化的工作有助于建立有效、高效的生物监测计划。我们提出了一个全球汞生物监测网络框架,其中包括分三步整合现有生物监测工作的大陆和海洋方法,并优先填补与主要汞源相关的区域数据缺口。我们介绍了一种基于循证评估的标准化方法,以评估《水俣公约》在减少全球汞污染对人类和环境的影响方面所取得的进展。
{"title":"Global mercury concentrations in biota: their use as a basis for a global biomonitoring framework","authors":"David C. Evers, Joshua T. Ackerman, Staffan Åkerblom, Dominique Bally, Nil Basu, Kevin Bishop, Nathalie Bodin, Hans Fredrik Veiteberg Braaten, Mark E. H. Burton, Paco Bustamante, Celia Chen, John Chételat, Linroy Christian, Rune Dietz, Paul Drevnick, Collin Eagles-Smith, Luis E. Fernandez, Neil Hammerschlag, Mireille Harmelin-Vivien, Agustin Harte, Eva M. Krümmel, José Lailson Brito, Gabriela Medina, Cesar Augusto Barrios Rodriguez, Iain Stenhouse, Elsie Sunderland, Akinori Takeuchi, Tim Tear, Claudia Vega, Simon Wilson, Pianpian Wu","doi":"10.1007/s10646-024-02747-x","DOIUrl":"https://doi.org/10.1007/s10646-024-02747-x","url":null,"abstract":"<p>An important provision of the Minamata Convention on Mercury is to monitor and evaluate the effectiveness of the adopted measures and its implementation. Here, we describe for the first time currently available biotic mercury (Hg) data on a global scale to improve the understanding of global efforts to reduce the impact of Hg pollution on people and the environment. Data from the peer-reviewed literature were compiled in the Global Biotic Mercury Synthesis (GBMS) database (&gt;550,000 data points). These data provide a foundation for establishing a biomonitoring framework needed to track Hg concentrations in biota globally. We describe Hg exposure in the taxa identified by the Minamata Convention: fish, sea turtles, birds, and marine mammals. Based on the GBMS database, Hg concentrations are presented at relevant geographic scales for continents and oceanic basins. We identify some effective regional templates for monitoring methylmercury (MeHg) availability in the environment, but overall illustrate that there is a general lack of regional biomonitoring initiatives around the world, especially in Africa, Australia, Indo-Pacific, Middle East, and South Atlantic and Pacific Oceans. Temporal trend data for Hg in biota are generally limited. Ecologically sensitive sites (where biota have above average MeHg tissue concentrations) have been identified throughout the world. Efforts to model and quantify ecosystem sensitivity locally, regionally, and globally could help establish effective and efficient biomonitoring programs. We present a framework for a global Hg biomonitoring network that includes a three-step continental and oceanic approach to integrate existing biomonitoring efforts and prioritize filling regional data gaps linked with key Hg sources. We describe a standardized approach that builds on an evidence-based evaluation to assess the Minamata Convention’s progress to reduce the impact of global Hg pollution on people and the environment.</p>","PeriodicalId":11497,"journal":{"name":"Ecotoxicology","volume":"37 1","pages":""},"PeriodicalIF":2.7,"publicationDate":"2024-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140811009","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Biochemistry biomarkers and metal levels as indicators of environmental pollution in Danio rerio exposed to the Sorocaba River (S.P.), Brazil 作为巴西索罗卡巴河(S.P.)中暴露于环境污染的丹利欧的生化生物标志物和金属含量指标
IF 2.7 4区 环境科学与生态学 Q2 ECOLOGY Pub Date : 2024-04-22 DOI: 10.1007/s10646-024-02753-z
Gabriel Hiroshi Fujiwara, Heidi Samantha Moraes Utsunomiya, João Victor Cassiel Ferraz, Davi Marques Gutierres, Isabela Ferreira Fernandes, Cleoni dos Santos Carvalho

Metal contamination of the environment poses a significant threat to human health and can cause significant damage to aquatic ecosystems. Danio rerio was exposed to Sorocaba River water for 96 h from two different sites in summer (S) and winter (W). Concentrations of Al, Cd, Cu, Mn and Zn were determined in the exposure water and in sediment. At the end of the exposure, the concentrations of Al, Cu and Mn at the Ibiúna point (P1) and Mn at the Itupararanga point (P2) decreased compared to the initial concentrations in the water. In summer and winter, the highest concentrations of Cu and Mn were found in the sediment. Exposure to the Sorocaba River water caused various responses both in summer and winter. For example, GPx decreased in winter, Glutathione S-Transferase (GST) increased in summer, and Nitric Oxide Synthase (NOS) decreased in both seasons in the viscera. In winter, SOD Superoxide Dismutase (SOD) increased, while GPx and GST (winter) decreased in muscle; regarding viscera carbonyl proteins, there was an increase in the summer at P2. Acetylcholinesterase activity decreased in the brain in winter at P2 and NOS decreased in the summer-exposed groups and increased in the winter P2-exposed group. Lactate dehydrogenase (LDH) and malate dehydrogenase (MDH) decreased in viscera (S, P1) and increased in muscle (S, P1 and P2). The glucose and triglycerides increased in muscle, both in summer and winter. Correlation analysis revealed associations between biomarkers from different organs. These alterations suggest that the fish experienced oxidative stress in response to exposure to the Sorocaba River, contaminated with metals, highlighting their vulnerability to environmental pollutants.

环境中的金属污染对人类健康构成重大威胁,并可能对水生生态系统造成严重破坏。在夏季(S)和冬季(W)两个不同地点的索罗卡巴河水中暴露了 96 个小时。测定了接触水和沉积物中的铝、镉、铜、锰和锌的浓度。在曝晒结束时,伊比乌纳点(P1)的铝、铜和锰浓度以及伊图帕拉兰加点(P2)的锰浓度与水中的初始浓度相比均有所下降。在夏季和冬季,沉积物中的铜和锰浓度最高。在夏季和冬季,接触索罗卡巴河水会引起各种反应。例如,内脏中的 GPx 在冬季减少,谷胱甘肽 S 转移酶(GST)在夏季增加,一氧化氮合成酶(NOS)在这两个季节都减少。在冬季,肌肉中的 SOD 超氧化物歧化酶(SOD)增加,而 GPx 和 GST(冬季)减少;在内脏羰基蛋白方面,P2 值在夏季增加。乙酰胆碱酯酶活性在 P2 暴露的冬季大脑中降低,NOS 在夏季暴露组中降低,而在 P2 暴露的冬季组中升高。内脏(S、P1)中的乳酸脱氢酶(LDH)和苹果酸脱氢酶(MDH)降低,肌肉(S、P1 和 P2)中的乳酸脱氢酶(LDH)和苹果酸脱氢酶(MDH)升高。肌肉中的葡萄糖和甘油三酯在夏季和冬季都有所增加。相关分析表明,不同器官的生物标志物之间存在关联。这些变化表明,鱼类在暴露于受金属污染的索罗卡巴河时经历了氧化应激,突出了它们对环境污染物的脆弱性。
{"title":"Biochemistry biomarkers and metal levels as indicators of environmental pollution in Danio rerio exposed to the Sorocaba River (S.P.), Brazil","authors":"Gabriel Hiroshi Fujiwara, Heidi Samantha Moraes Utsunomiya, João Victor Cassiel Ferraz, Davi Marques Gutierres, Isabela Ferreira Fernandes, Cleoni dos Santos Carvalho","doi":"10.1007/s10646-024-02753-z","DOIUrl":"https://doi.org/10.1007/s10646-024-02753-z","url":null,"abstract":"<p>Metal contamination of the environment poses a significant threat to human health and can cause significant damage to aquatic ecosystems. <i>Danio rerio</i> was exposed to Sorocaba River water for 96 h from two different sites in summer (S) and winter (W). Concentrations of Al, Cd, Cu, Mn and Zn were determined in the exposure water and in sediment. At the end of the exposure, the concentrations of Al, Cu and Mn at the Ibiúna point (P1) and Mn at the Itupararanga point (P2) decreased compared to the initial concentrations in the water. In summer and winter, the highest concentrations of Cu and Mn were found in the sediment. Exposure to the Sorocaba River water caused various responses both in summer and winter. For example, GPx decreased in winter, Glutathione S-Transferase (GST) increased in summer, and Nitric Oxide Synthase (NOS) decreased in both seasons in the viscera. In winter, SOD Superoxide Dismutase (SOD) increased, while GPx and GST (winter) decreased in muscle; regarding viscera carbonyl proteins, there was an increase in the summer at P2. Acetylcholinesterase activity decreased in the brain in winter at P2 and NOS decreased in the summer-exposed groups and increased in the winter P2-exposed group. Lactate dehydrogenase (LDH) and malate dehydrogenase (MDH) decreased in viscera (S, P1) and increased in muscle (S, P1 and P2). The glucose and triglycerides increased in muscle, both in summer and winter. Correlation analysis revealed associations between biomarkers from different organs. These alterations suggest that the fish experienced oxidative stress in response to exposure to the Sorocaba River, contaminated with metals, highlighting their vulnerability to environmental pollutants.</p>","PeriodicalId":11497,"journal":{"name":"Ecotoxicology","volume":"135 1","pages":""},"PeriodicalIF":2.7,"publicationDate":"2024-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140634423","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A new exposure protocol adapted for wild bees reveals species-specific impacts of the sulfoximine insecticide sulfoxaflor 适用于野生蜜蜂的新接触方案揭示了亚砜类杀虫剂磺胺草醚对特定物种的影响
IF 2.7 4区 环境科学与生态学 Q2 ECOLOGY Pub Date : 2024-04-22 DOI: 10.1007/s10646-024-02750-2
Justine Dewaele, Alexandre Barraud, Sara Hellström, Robert J. Paxton, Denis Michez

Wild bees are crucial pollinators of flowering plants and concerns are rising about their decline associated with pesticide use. Interspecific variation in wild bee response to pesticide exposure is expected to be related to variation in their morphology, physiology, and ecology, though there are still important knowledge gaps in its understanding. Pesticide risk assessments have largely focussed on the Western honey bee sensitivity considering it protective enough for wild bees. Recently, guidelines for Bombus terrestris and Osmia bicornis testing have been developed but are not yet implemented at a global scale in pesticide risk assessments. Here, we developed and tested a new simplified method of pesticide exposure on wild bee species collected from the field in Belgium. Enough specimens of nine species survived in a laboratory setting and were exposed to oral and topical acute doses of a sulfoximine insecticide. Our results confirm significant variability among wild bee species. We show that Osmia cornuta is more sensitive to sulfoxaflor than B. terrestris, whereas Bombus hypnorum is less sensitive. We propose hypotheses on the mechanisms explaining interspecific variations in sensitivity to pesticides. Future pesticide risk assessments of wild bees will require further refinement of protocols for their controlled housing and exposure.

野生蜜蜂是开花植物的重要授粉者,人们越来越担心它们会因农药的使用而减少。野生蜜蜂对农药暴露反应的种间差异预计与它们的形态、生理和生态差异有关,但对其了解仍存在重要的知识差距。农药风险评估主要集中在西方蜜蜂的敏感性上,认为它对野生蜜蜂有足够的保护作用。最近,针对陆蜂和茭白的检测指南已经制定,但尚未在全球范围内实施农药风险评估。在此,我们开发了一种新的简化方法,并对从比利时野外采集的野生蜜蜂物种进行了农药暴露测试。九个物种的足够标本在实验室环境中存活,并暴露于口服和局部急性剂量的亚砜杀虫剂。我们的研究结果证实,野生蜜蜂物种之间存在很大差异。我们发现,茭白对磺胺类杀虫剂的敏感性高于赤眼蜂,而赤眼蜂对磺胺类杀虫剂的敏感性较低。我们就解释种间对农药敏感性差异的机制提出了假设。未来对野生蜜蜂进行农药风险评估时,需要进一步完善野生蜜蜂受控饲养和接触农药的方案。
{"title":"A new exposure protocol adapted for wild bees reveals species-specific impacts of the sulfoximine insecticide sulfoxaflor","authors":"Justine Dewaele, Alexandre Barraud, Sara Hellström, Robert J. Paxton, Denis Michez","doi":"10.1007/s10646-024-02750-2","DOIUrl":"https://doi.org/10.1007/s10646-024-02750-2","url":null,"abstract":"<p>Wild bees are crucial pollinators of flowering plants and concerns are rising about their decline associated with pesticide use. Interspecific variation in wild bee response to pesticide exposure is expected to be related to variation in their morphology, physiology, and ecology, though there are still important knowledge gaps in its understanding. Pesticide risk assessments have largely focussed on the Western honey bee sensitivity considering it protective enough for wild bees. Recently, guidelines for <i>Bombus terrestris</i> and <i>Osmia bicornis</i> testing have been developed but are not yet implemented at a global scale in pesticide risk assessments. Here, we developed and tested a new simplified method of pesticide exposure on wild bee species collected from the field in Belgium. Enough specimens of nine species survived in a laboratory setting and were exposed to oral and topical acute doses of a sulfoximine insecticide. Our results confirm significant variability among wild bee species. We show that <i>Osmia cornuta</i> is more sensitive to sulfoxaflor than <i>B. terrestris</i>, whereas <i>Bombus hypnorum</i> is less sensitive. We propose hypotheses on the mechanisms explaining interspecific variations in sensitivity to pesticides. Future pesticide risk assessments of wild bees will require further refinement of protocols for their controlled housing and exposure.</p>","PeriodicalId":11497,"journal":{"name":"Ecotoxicology","volume":"100 1","pages":""},"PeriodicalIF":2.7,"publicationDate":"2024-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140634973","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Validation of qPCR reference genes in the endangered annual killifish Austrolebias charrua considering different tissues, gender and environmental conditions 考虑到不同组织、性别和环境条件,验证濒危一年生鳉鱼 Austrolebias charrua 的 qPCR 参考基因
IF 2.7 4区 环境科学与生态学 Q2 ECOLOGY Pub Date : 2024-04-11 DOI: 10.1007/s10646-024-02752-0
Antônio Duarte Pagano, Eduardo Bieharls Blödorn, William Borges Domingues, Lucas Petitemberte de Souza, Tony Leandro Rezende da Silveira, Mateus Tavares Kütter, Natiéli Machado Gonçalves, Matheus Vieira Volcan, Patrícia Gomes Costa, Adalto Bianchini, Mariana Härter Remião, Vinicius Farias Campos

The annual killifish Austrolebias charrua is an endangered species, endemic to the southern region of South America, which inhabits temporary ponds that emerges in the rainy season. The main anthropogenic threat driving the extinction of A. charrua stems from extensive agriculture, primarily due to the widrespread use of glyphosate-based herbicides near their habitats. Annual killifishes have been used as models for ecotoxicological studies but, up to now, there are no studies about reference genes in any Austrolebias species. This represents an obstacle to the use of qPCR-based technologies, the standard method for gene expression quantification. The present study aimed to select and validate potential reference genes for qPCR normalization in the annual killifish Austrolebias charrua considering different tissues, gender and environmental conditions. The candidate reference genes 18s, actb, gapdh, ef1a, shox, eif3g, and the control gene atp1a1 were evaluated in male and female individuals in three different tissues (brain, liver, and gills) under two experimental conditions (control and acute exposition to Roundup Transorb®). The collected tissues were submitted to RNA extraction, followed by cDNA synthesis, cloning, sequencing, and qPCR. Overall, 18s was the most stable reference gene, and 18s and ef1a were the most stable combination. Otherwise, considering all variables, gapdh and shox were the least stable candidate genes. Foremost, suitable reference genes were validated in A. charrua, facilitating accurate mRNA quantification in this species, which might be useful for developing molecular tools of ecotoxicological assessment based on gene expression analysis for environmental monitoring of annual killifish.

一年生鳉鱼 Austrolebias charrua 是南美洲南部地区特有的濒危物种,栖息于雨季出现的临时池塘中。导致 A. charrua 灭绝的主要人为威胁来自广泛的农业,这主要是由于在其栖息地附近广泛使用草甘膦除草剂。一年生鳉鱼被用作生态毒理学研究的模型,但到目前为止,还没有关于任何澳大利亚鳉鱼物种参考基因的研究。这对使用基因表达量化的标准方法--基于 qPCR 的技术构成了障碍。本研究旨在根据不同的组织、性别和环境条件,选择和验证一年生鳉鱼(Austrolebias charrua)中用于 qPCR 归一化的潜在参考基因。在两种实验条件下(对照和急性暴露于 Roundup Transorb®),对雌雄个体的三种不同组织(脑、肝和鳃)中的候选参考基因 18 s、actb、gapdh、ef1a、shox、ef3g 和对照基因 atp1a1 进行了评估。对采集的组织进行 RNA 提取,然后进行 cDNA 合成、克隆、测序和 qPCR。总体而言,18 s 是最稳定的参考基因,18 s 和 ef1a 是最稳定的组合。否则,考虑到所有变量,gapdh 和 shox 是最不稳定的候选基因。最重要的是,在 A. charrua 中验证了合适的参考基因,有助于该物种 mRNA 的精确定量,这可能有助于开发基于基因表达分析的生态毒理学评估分子工具,用于一年生鳉鱼的环境监测。
{"title":"Validation of qPCR reference genes in the endangered annual killifish Austrolebias charrua considering different tissues, gender and environmental conditions","authors":"Antônio Duarte Pagano, Eduardo Bieharls Blödorn, William Borges Domingues, Lucas Petitemberte de Souza, Tony Leandro Rezende da Silveira, Mateus Tavares Kütter, Natiéli Machado Gonçalves, Matheus Vieira Volcan, Patrícia Gomes Costa, Adalto Bianchini, Mariana Härter Remião, Vinicius Farias Campos","doi":"10.1007/s10646-024-02752-0","DOIUrl":"https://doi.org/10.1007/s10646-024-02752-0","url":null,"abstract":"<p>The annual killifish <i>Austrolebias charrua</i> is an endangered species, endemic to the southern region of South America, which inhabits temporary ponds that emerges in the rainy season. The main anthropogenic threat driving the extinction of <i>A. charrua</i> stems from extensive agriculture, primarily due to the widrespread use of glyphosate-based herbicides near their habitats. Annual killifishes have been used as models for ecotoxicological studies but, up to now, there are no studies about reference genes in any <i>Austrolebias</i> species. This represents an obstacle to the use of qPCR-based technologies, the standard method for gene expression quantification. The present study aimed to select and validate potential reference genes for qPCR normalization in the annual killifish <i>Austrolebias charrua</i> considering different tissues, gender and environmental conditions. The candidate reference genes <i>18</i> <i>s, actb, gapdh, ef1a, shox, eif3g</i>, and the control gene <i>atp1a1</i> were evaluated in male and female individuals in three different tissues (brain, liver, and gills) under two experimental conditions (control and acute exposition to Roundup Transorb<sup>®</sup>). The collected tissues were submitted to RNA extraction, followed by cDNA synthesis, cloning, sequencing, and qPCR. Overall, <i>18</i> <i>s</i> was the most stable reference gene, and <i>18</i> <i>s</i> and <i>ef1a</i> were the most stable combination. Otherwise, considering all variables, <i>gapdh</i> and <i>shox</i> were the least stable candidate genes. Foremost, suitable reference genes were validated in <i>A. charrua</i>, facilitating accurate mRNA quantification in this species, which might be useful for developing molecular tools of ecotoxicological assessment based on gene expression analysis for environmental monitoring of annual killifish.</p>","PeriodicalId":11497,"journal":{"name":"Ecotoxicology","volume":"66 1","pages":""},"PeriodicalIF":2.7,"publicationDate":"2024-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140592841","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Quantitative structure–activity relationship predicting toxicity of pesticides towards Daphnia magna 定量结构-活性关系预测农药对大型蚤的毒性
IF 2.7 4区 环境科学与生态学 Q2 ECOLOGY Pub Date : 2024-04-09 DOI: 10.1007/s10646-024-02751-1
Cong Chen, Bowen Yang, Mingwang Li, Saijin Huang, Xianwei Huang

Global pesticide usage reaching 2.7 million metric tons annually, brings a grave threat to non-target organisms, especially aquatic organisms, resulting in serious concerns. Predicting aquatic toxicity of pesticides towards Daphnia magna is significant. In this work, random forest (RF) algorithm, together with ten Dragon molecular descriptors, was successfully utilized to develop a quantitative structure–activity/toxicity relationship (QSAR/QSTR) model for the toxicity pEC50 of 745 pesticides towards Daphnia magna. The optimal QSTR model (RF Model I) based on the RF parameters of ntree = 50, mtry = 3 and nodesize = 5, yielded R2 = 0.877, MAE = 0.570, rms = 0.739 (training set of 596 pEC50), R2 = 0.807, MAE = 0.732, rms = 0.902 (test set of 149 pEC50), and R2 = 0.863, MAE = 0.602, rms = 0.774 (total set of 745 pEC50), which are accurate and satisfactory. The optimal RF model is comparable to other published QSTR models for Daphnia magna, although the optimal RF model possessed a small descriptor subset and dealt with a large dataset of pesticide toxicity pEC50. Thus, the investigation in this work provides a reliable, applicable QSTR model for predicting the toxicity pEC50 of pesticides towards Daphnia magna.

全球农药用量每年达到 270 万公吨,给非目标生物,尤其是水生生物带来了严重威胁,引起了严重关注。预测农药对大型水蚤的水生毒性意义重大。本研究利用随机森林(RF)算法和 10 个龙分子描述符,成功地建立了 745 种农药对大型水蚤毒性 pEC50 的定量结构-活性/毒性关系(QSAR/QSTR)模型。基于 ntree = 50、mtry = 3 和 nodesize = 5 的 RF 参数的最佳 QSTR 模型(RF 模型 I)得出 R2 = 0.877、MAE = 0.570、rms = 0.739(训练集为 596 pEC50)、R2 = 0.807, MAE = 0.732, rms = 0.902 (test set of 149 pEC50), and R2 = 0.863, MAE = 0.602, rms = 0.774 (total set of 745 pEC50),结果准确且令人满意。虽然最优 RF 模型的描述子集较小,且处理的农药毒性 pEC50 数据集较大,但其与其他已发表的大型蚤 QSTR 模型具有可比性。因此,这项研究为预测农药对大型蚤的毒性 pEC50 提供了一个可靠、适用的 QSTR 模型。
{"title":"Quantitative structure–activity relationship predicting toxicity of pesticides towards Daphnia magna","authors":"Cong Chen, Bowen Yang, Mingwang Li, Saijin Huang, Xianwei Huang","doi":"10.1007/s10646-024-02751-1","DOIUrl":"https://doi.org/10.1007/s10646-024-02751-1","url":null,"abstract":"<p>Global pesticide usage reaching 2.7 million metric tons annually, brings a grave threat to non-target organisms, especially aquatic organisms, resulting in serious concerns. Predicting aquatic toxicity of pesticides towards <i>Daphnia magna</i> is significant. In this work, random forest (RF) algorithm, together with ten Dragon molecular descriptors, was successfully utilized to develop a quantitative structure–activity/toxicity relationship (QSAR/QSTR) model for the toxicity p<i>EC</i><sub>50</sub> of 745 pesticides towards <i>Daphnia magna</i>. The optimal QSTR model (RF Model I) based on the RF parameters of <i>ntree</i> = 50, <i>mtry</i> = 3 and <i>nodesize</i> = 5, yielded <i>R</i><sup>2</sup> = 0.877, <i>MAE</i> = 0.570, <i>rms</i> = 0.739 (training set of 596 p<i>EC</i><sub>50</sub>), <i>R</i><sup>2</sup> = 0.807, <i>MAE</i> = 0.732, <i>rms</i> = 0.902 (test set of 149 pEC<sub>50</sub>), and <i>R</i><sup>2</sup> = 0.863, <i>MAE</i> = 0.602, <i>rms</i> = 0.774 (total set of 745 p<i>EC</i><sub>50</sub>), which are accurate and satisfactory. The optimal RF model is comparable to other published QSTR models for <i>Daphnia magna</i>, although the optimal RF model possessed a small descriptor subset and dealt with a large dataset of pesticide toxicity p<i>EC</i><sub>50</sub>. Thus, the investigation in this work provides a reliable, applicable QSTR model for predicting the toxicity p<i>EC</i><sub>50</sub> of pesticides towards <i>Daphnia magna</i>.</p>","PeriodicalId":11497,"journal":{"name":"Ecotoxicology","volume":"205 1","pages":""},"PeriodicalIF":2.7,"publicationDate":"2024-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140592848","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ecological risk assessment of heavy metals in desulfurized seawater discharged from a coal-fired power plant in Qingdao 青岛某燃煤电厂排放的脱硫海水中重金属的生态风险评估
IF 2.7 4区 环境科学与生态学 Q2 ECOLOGY Pub Date : 2024-04-04 DOI: 10.1007/s10646-024-02735-1
Yongliang Feng, Yiran Ru, Jun Wang, Xiaona Zhang, Hua Tian, Shuhe Lei, Ziang Zhao, Shaoguo Ru

Despite the prevalence of discharge of large volumes of heavy-metal-bearing seawater from coal-fired power plants into adjacent seas, studies on the associated ecological risks remain limited. This study continuously monitored concentrations of seven heavy metals (i.e. As, Cd, Cr, Cu, Hg, Pb, and Zn) in surface seawater near the outfall of a coal-fired power plant in Qingdao, China over three years. The results showed average concentrations of As, Cd, Cr, Cu, Hg, Pb, and Zn of 2.63, 0.33, 2.97, 4.63, 0.008, 0.85, and 25.00 μg/L, respectively. Given the lack of data on metal toxicity to local species, this study investigated species composition and biomass near discharge outfalls and constructed species sensitivity distribution (SSD) curves with biological flora characteristics. Hazardous concentrations for 5% of species (HC5) for As, Cd, Cr, Cu, Hg, Pb, and Zn derived from SSDs constructed from chronic toxicity data for native species were 3.23, 2.22, 0.06, 2.83, 0.66, 4.70, and 11.07 μg/L, respectively. This study further assessed ecological risk of heavy metals by applying the Hazard Quotient (HQ) and Joint Probability Curve (JPC) based on long-term heavy metal exposure data and chronic toxicity data for local species. The results revealed acceptable levels of ecological risk for As, Cd, Hg, and Pb, but unacceptable levels for Cr, Cu, and Zn. The order of studied heavy metals in terms of ecological risk was Cr > Cu ≈ Zn > As > Cd ≈ Pb > Hg. The results of this study can guide the assessment of ecological risk at heavy metal contaminated sites characterized by relatively low heavy metal concentrations and high discharge volumes, such as receiving waters of coal-fired power plant effluents.

尽管燃煤发电厂向邻近海域排放大量含重金属海水的现象十分普遍,但对相关生态风险的研究仍然有限。本研究对中国青岛某燃煤电厂排污口附近表层海水中七种重金属(即砷、镉、铬、铜、汞、铅和锌)的浓度进行了为期三年的连续监测。结果显示,As、Cd、Cr、Cu、Hg、Pb 和 Zn 的平均浓度分别为 2.63、0.33、2.97、4.63、0.008、0.85 和 25.00 μg/L。鉴于缺乏有关金属对当地物种毒性的数据,本研究调查了排放口附近的物种组成和生物量,并构建了具有生物区系特征的物种敏感性分布(SSD)曲线。根据本地物种的慢性毒性数据构建的 SSD 得出的 5%物种(HC5)的砷、镉、铬、铜、汞、铅和锌的有害浓度分别为 3.23、2.22、0.06、2.83、0.66、4.70 和 11.07 μg/L。本研究根据本地物种长期接触重金属的数据和慢性毒性数据,采用危害商数(HQ)和联合概率曲线(JPC)进一步评估重金属的生态风险。结果表明,砷、镉、汞和铅的生态风险水平可以接受,但铬、铜和锌的生态风险水平不可接受。所研究的重金属的生态风险顺序为 Cr > Cu ≈ Zn > As > Cd ≈ Pb > Hg。这项研究的结果可以指导对重金属污染地点的生态风险进行评估,这些地点的特点是重金属浓度相对较低,且排放量较大,例如燃煤电厂污水的受纳水体。
{"title":"Ecological risk assessment of heavy metals in desulfurized seawater discharged from a coal-fired power plant in Qingdao","authors":"Yongliang Feng, Yiran Ru, Jun Wang, Xiaona Zhang, Hua Tian, Shuhe Lei, Ziang Zhao, Shaoguo Ru","doi":"10.1007/s10646-024-02735-1","DOIUrl":"https://doi.org/10.1007/s10646-024-02735-1","url":null,"abstract":"<p>Despite the prevalence of discharge of large volumes of heavy-metal-bearing seawater from coal-fired power plants into adjacent seas, studies on the associated ecological risks remain limited. This study continuously monitored concentrations of seven heavy metals (i.e. As, Cd, Cr, Cu, Hg, Pb, and Zn) in surface seawater near the outfall of a coal-fired power plant in Qingdao, China over three years. The results showed average concentrations of As, Cd, Cr, Cu, Hg, Pb, and Zn of 2.63, 0.33, 2.97, 4.63, 0.008, 0.85, and 25.00 μg/L, respectively. Given the lack of data on metal toxicity to local species, this study investigated species composition and biomass near discharge outfalls and constructed species sensitivity distribution (SSD) curves with biological flora characteristics. Hazardous concentrations for 5% of species (HC<sub>5</sub>) for As, Cd, Cr, Cu, Hg, Pb, and Zn derived from SSDs constructed from chronic toxicity data for native species were 3.23, 2.22, 0.06, 2.83, 0.66, 4.70, and 11.07 μg/L, respectively. This study further assessed ecological risk of heavy metals by applying the Hazard Quotient (HQ) and Joint Probability Curve (JPC) based on long-term heavy metal exposure data and chronic toxicity data for local species. The results revealed acceptable levels of ecological risk for As, Cd, Hg, and Pb, but unacceptable levels for Cr, Cu, and Zn. The order of studied heavy metals in terms of ecological risk was Cr &gt; Cu ≈ Zn &gt; As &gt; Cd ≈ Pb &gt; Hg. The results of this study can guide the assessment of ecological risk at heavy metal contaminated sites characterized by relatively low heavy metal concentrations and high discharge volumes, such as receiving waters of coal-fired power plant effluents.</p>","PeriodicalId":11497,"journal":{"name":"Ecotoxicology","volume":"27 1","pages":""},"PeriodicalIF":2.7,"publicationDate":"2024-04-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140592942","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Nanoparticles-mediated entomotoxicology: lessons from biologica. 纳米颗粒介导的昆虫毒理学:从生物科学中汲取的经验教训
IF 2.7 4区 环境科学与生态学 Q2 ECOLOGY Pub Date : 2024-04-01 Epub Date: 2024-03-06 DOI: 10.1007/s10646-024-02745-z
Lamia M El-Samad, Nahed R Bakr, Mohamed Abouzid, Eslam S Shedid, John P Giesy, Shaden A M Khalifa, Hesham R El-Seedi, Abeer El Wakil, Yahya Al Naggar

Nanotechnology has grown in importance in medicine, manufacturing, and consumer products. Nanoparticles (NPs) are also widely used in the field of insect pest management, where they show a variety of toxicological effects on insects. As a result, the primary goal of this review is to compile and evaluate available information on effects of NPs on insects, by use of a timely, bibliometric analysis. We also discussed the manufacturing capacity of NPs from insect tissues and the toxic effects of NPs on insects. To do so, we searched the Web of Science database for literature from 1995 to 2023 and ran bibliometric analyses with CiteSpace© and Bibliometrix©. The analyses covered 614 journals and identified 1763 relevant documents. We found that accumulation of NPs was one of the top trending topics. China, India, and USA had the most published papers. The most overall reported models of insects were those of Aedes aegypti (yellow fever mosquito), Culex quinquefasciatus (southern house mosquito), Bombyx mori (silk moth), and Anopheles stephensi (Asian malaria mosquito). The application and methods of fabrication of NPs using insect tissues, as well as the mechanism of toxicity of NPs on insects, were also reported. A uniform legal framework is required to allow nanotechnology to fully realize its potential while minimizing harm to living organisms and reducing the release of toxic metalloid nanoparticles into the environment.

纳米技术在医药、制造和消费品领域的重要性与日俱增。纳米粒子(NPs)也被广泛应用于昆虫害虫管理领域,对昆虫产生各种毒理影响。因此,本综述的主要目的是通过及时的文献计量分析,汇编和评估有关纳米粒子对昆虫影响的现有信息。我们还讨论了从昆虫组织中制造 NPs 的能力以及 NPs 对昆虫的毒性效应。为此,我们在科学网数据库中搜索了 1995 年至 2023 年的文献,并利用 CiteSpace© 和 Bibliometrix© 进行了文献计量分析。分析涵盖了 614 种期刊,确定了 1763 篇相关文献。我们发现,氮磷的积累是最热门的话题之一。中国、印度和美国发表的论文最多。报道最多的昆虫模型是埃及伊蚊(黄热病蚊子)、库蚊(南方家蚊)、蚕蛾(蚕蛾)和按蚊(亚洲疟蚊)。此外,还报告了利用昆虫组织制造 NPs 的应用和方法,以及 NPs 对昆虫的毒性机理。需要建立统一的法律框架,使纳米技术充分发挥其潜力,同时最大限度地减少对生物体的伤害,并减少有毒金属纳米粒子向环境的释放。
{"title":"Nanoparticles-mediated entomotoxicology: lessons from biologica.","authors":"Lamia M El-Samad, Nahed R Bakr, Mohamed Abouzid, Eslam S Shedid, John P Giesy, Shaden A M Khalifa, Hesham R El-Seedi, Abeer El Wakil, Yahya Al Naggar","doi":"10.1007/s10646-024-02745-z","DOIUrl":"10.1007/s10646-024-02745-z","url":null,"abstract":"<p><p>Nanotechnology has grown in importance in medicine, manufacturing, and consumer products. Nanoparticles (NPs) are also widely used in the field of insect pest management, where they show a variety of toxicological effects on insects. As a result, the primary goal of this review is to compile and evaluate available information on effects of NPs on insects, by use of a timely, bibliometric analysis. We also discussed the manufacturing capacity of NPs from insect tissues and the toxic effects of NPs on insects. To do so, we searched the Web of Science database for literature from 1995 to 2023 and ran bibliometric analyses with CiteSpace<sup>©</sup> and Bibliometrix<sup>©</sup>. The analyses covered 614 journals and identified 1763 relevant documents. We found that accumulation of NPs was one of the top trending topics. China, India, and USA had the most published papers. The most overall reported models of insects were those of Aedes aegypti (yellow fever mosquito), Culex quinquefasciatus (southern house mosquito), Bombyx mori (silk moth), and Anopheles stephensi (Asian malaria mosquito). The application and methods of fabrication of NPs using insect tissues, as well as the mechanism of toxicity of NPs on insects, were also reported. A uniform legal framework is required to allow nanotechnology to fully realize its potential while minimizing harm to living organisms and reducing the release of toxic metalloid nanoparticles into the environment.</p>","PeriodicalId":11497,"journal":{"name":"Ecotoxicology","volume":" ","pages":"305-324"},"PeriodicalIF":2.7,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140038916","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
期刊
Ecotoxicology
全部 Acc. Chem. Res. ACS Applied Bio Materials ACS Appl. Electron. Mater. ACS Appl. Energy Mater. ACS Appl. Mater. Interfaces ACS Appl. Nano Mater. ACS Appl. Polym. Mater. ACS BIOMATER-SCI ENG ACS Catal. ACS Cent. Sci. ACS Chem. Biol. ACS Chemical Health & Safety ACS Chem. Neurosci. ACS Comb. Sci. ACS Earth Space Chem. ACS Energy Lett. ACS Infect. Dis. ACS Macro Lett. ACS Mater. Lett. ACS Med. Chem. Lett. ACS Nano ACS Omega ACS Photonics ACS Sens. ACS Sustainable Chem. Eng. ACS Synth. Biol. Anal. Chem. BIOCHEMISTRY-US Bioconjugate Chem. BIOMACROMOLECULES Chem. Res. Toxicol. Chem. Rev. Chem. Mater. CRYST GROWTH DES ENERG FUEL Environ. Sci. Technol. Environ. Sci. Technol. Lett. Eur. J. Inorg. Chem. IND ENG CHEM RES Inorg. Chem. J. Agric. Food. Chem. J. Chem. Eng. Data J. Chem. Educ. J. Chem. Inf. Model. J. Chem. Theory Comput. J. Med. Chem. J. Nat. Prod. J PROTEOME RES J. Am. Chem. Soc. LANGMUIR MACROMOLECULES Mol. Pharmaceutics Nano Lett. Org. Lett. ORG PROCESS RES DEV ORGANOMETALLICS J. Org. Chem. J. Phys. Chem. J. Phys. Chem. A J. Phys. Chem. B J. Phys. Chem. C J. Phys. Chem. Lett. Analyst Anal. Methods Biomater. Sci. Catal. Sci. Technol. Chem. Commun. Chem. Soc. Rev. CHEM EDUC RES PRACT CRYSTENGCOMM Dalton Trans. Energy Environ. Sci. ENVIRON SCI-NANO ENVIRON SCI-PROC IMP ENVIRON SCI-WAT RES Faraday Discuss. Food Funct. Green Chem. Inorg. Chem. Front. Integr. Biol. J. Anal. At. Spectrom. J. Mater. Chem. A J. Mater. Chem. B J. Mater. Chem. C Lab Chip Mater. Chem. Front. Mater. Horiz. MEDCHEMCOMM Metallomics Mol. Biosyst. Mol. Syst. Des. Eng. Nanoscale Nanoscale Horiz. Nat. Prod. Rep. New J. Chem. Org. Biomol. Chem. Org. Chem. Front. PHOTOCH PHOTOBIO SCI PCCP Polym. Chem.
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
0
微信
客服QQ
Book学术公众号 扫码关注我们
反馈
×
意见反馈
请填写您的意见或建议
请填写您的手机或邮箱
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
Book学术官方微信
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术
文献互助 智能选刊 最新文献 互助须知 联系我们:info@booksci.cn
Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。
Copyright © 2023 Book学术 All rights reserved.
ghs 京公网安备 11010802042870号 京ICP备2023020795号-1