Marine pollution bulletin最新文献

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Trace element concentrations in two coral reef fish species, El-Shaour fish (Lethrinus nebulosus) and El-Hareed fish (Chlorurus sordidus): A study of contamination degree, environmental and health risks

IF 5.3 3区环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES

Marine pollution bulletin

Pub Date : 2025-02-13 DOI: 10.1016/j.marpolbul.2025.117658

Mahmoud Mahrous M. Abbas , Abdullah S. Alnasser

This research aims to evaluate the concentrations of 12 elements in two fish species, El-Shaour and El-Hareed, from the Egyptian Red Sea, using an inductively coupled plasma device, and to assess the impact of different processing methods (freezing, frying, and microwaving) on these elements. Additionally, the contamination degree and their environmental and health impacts were computed using various indices. Results show that the element concentrations across all processing methods for both species were below the permitted limits, and the highest values of the measured elements were recorded for aluminium, which varied from 50.18 ± 6.23 mg/kg ww-b in El-Shaour fish to 53.13 ± 6.03 mg/kg ww-b in El-Hareed fish, while the lowest values were for cadmium, with concentrations ranging between 0.04 ± 0.01 mg/kg ww-b in El-Shaour fish and 0.23 ± 0.07 mg/kg ww-b in El-Hareed fish. Different processing methods (freezing, frying, and microwaving) demonstrated varying degrees of effectiveness in reducing element concentrations. According to the elements concentrations and indices of health and environmental risks, the results confirm that the studied fish and their processing forms do not present a major threat to health or the environment. Nonetheless, continuous monitoring of these elements and ongoing risk assessment should be part of a sustainable strategy to ensure environmental and public health safety.

{"title":"Trace element concentrations in two coral reef fish species, El-Shaour fish (Lethrinus nebulosus) and El-Hareed fish (Chlorurus sordidus): A study of contamination degree, environmental and health risks","authors":"Mahmoud Mahrous M. Abbas , Abdullah S. Alnasser","doi":"10.1016/j.marpolbul.2025.117658","DOIUrl":"10.1016/j.marpolbul.2025.117658","url":null,"abstract":"<div><div>This research aims to evaluate the concentrations of 12 elements in two fish species, El-Shaour and El-Hareed, from the Egyptian Red Sea, using an inductively coupled plasma device, and to assess the impact of different processing methods (freezing, frying, and microwaving) on these elements. Additionally, the contamination degree and their environmental and health impacts were computed using various indices. Results show that the element concentrations across all processing methods for both species were below the permitted limits, and the highest values of the measured elements were recorded for aluminium, which varied from 50.18 ± 6.23 mg/kg ww-b in El-Shaour fish to 53.13 ± 6.03 mg/kg ww-b in El-Hareed fish, while the lowest values were for cadmium, with concentrations ranging between 0.04 ± 0.01 mg/kg ww-b in El-Shaour fish and 0.23 ± 0.07 mg/kg ww-b in El-Hareed fish. Different processing methods (freezing, frying, and microwaving) demonstrated varying degrees of effectiveness in reducing element concentrations. According to the elements concentrations and indices of health and environmental risks, the results confirm that the studied fish and their processing forms do not present a major threat to health or the environment. Nonetheless, continuous monitoring of these elements and ongoing risk assessment should be part of a sustainable strategy to ensure environmental and public health safety.</div></div>","PeriodicalId":18215,"journal":{"name":"Marine pollution bulletin","volume":"213 ","pages":"Article 117658"},"PeriodicalIF":5.3,"publicationDate":"2025-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143395993","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Noise results in lower quality of an important forage fish, the Pacific sand lance, Ammodytes personatus

IF 5.3 3区环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES

Marine pollution bulletin

Pub Date : 2025-02-13 DOI: 10.1016/j.marpolbul.2025.117664

Nora V. Carlson , Meredith A.V. White , Jose Tavera , Patrick D. O'Hara , Matthew R. Baker , Douglas F. Bertram , Adam Summers , David A. Fifield , Francis Juanes

Anthropogenic noise is a pervasive environmental pollutant that continues to expand and increase globally, especially in marine environments, affecting many marine animals, especially fish. Although interest and concern regarding the effects of noise on fish has increased, most studies still focus on the effects noise has on individual species, often overlooking wider system-level consequences. This is particularly true of trophically important species such as forage fish. We investigated how different types of anthropogenic noise affect the quality of an important forage fish species, Pacific sand lance, Ammodytes personatus, which could impact the many species that rely on them. We found that, compared to controls, fish in noisy environments had lower energy density and lower weight at a given length. These results suggest that even over shorter periods of time the anthropogenic noise could reduce sand lance quality, which in-turn could cascade up the food chain causing drastic ecosystem-level consequences.

{"title":"Noise results in lower quality of an important forage fish, the Pacific sand lance, Ammodytes personatus","authors":"Nora V. Carlson , Meredith A.V. White , Jose Tavera , Patrick D. O'Hara , Matthew R. Baker , Douglas F. Bertram , Adam Summers , David A. Fifield , Francis Juanes","doi":"10.1016/j.marpolbul.2025.117664","DOIUrl":"10.1016/j.marpolbul.2025.117664","url":null,"abstract":"<div><div>Anthropogenic noise is a pervasive environmental pollutant that continues to expand and increase globally, especially in marine environments, affecting many marine animals, especially fish. Although interest and concern regarding the effects of noise on fish has increased, most studies still focus on the effects noise has on individual species, often overlooking wider system-level consequences. This is particularly true of trophically important species such as forage fish. We investigated how different types of anthropogenic noise affect the quality of an important forage fish species, Pacific sand lance, <em>Ammodytes personatus</em>, which could impact the many species that rely on them. We found that, compared to controls, fish in noisy environments had lower energy density and lower weight at a given length. These results suggest that even over shorter periods of time the anthropogenic noise could reduce sand lance quality, which in-turn could cascade up the food chain causing drastic ecosystem-level consequences.</div></div>","PeriodicalId":18215,"journal":{"name":"Marine pollution bulletin","volume":"213 ","pages":"Article 117664"},"PeriodicalIF":5.3,"publicationDate":"2025-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143395994","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Mangrove forests as a natural trap for marine plastic litter: Insights from the Maldives

IF 5.3 3区环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES

Marine pollution bulletin

Pub Date : 2025-02-13 DOI: 10.1016/j.marpolbul.2025.117677

Federico Cerri , Shazla Mohamed , Paolo Galli

Plastic pollution poses a significant threat to coastal ecosystems, including mangroves, which naturally trap debris due to their complex, three-dimensional structures. In the Maldives, inadequate plastic waste management exacerbates the accumulation of plastic in these critically endangered ecosystems, which are characterized by unique morphologies consisting of small patches with tide-influenced water bodies. Despite their ecological and socio-economic importance, mangroves in the archipelago have remained undocumented in terms of plastic pollution. This micro article presents the first evidence of plastic debris in Maldivian mangroves with accumulation observed on four islands dominated by species like Ceriops tagal, Bruguiera cylindrica, Rhizophora mucronata, and Pemphis acidula. The high tree density and the three-dimensional structure of these mangroves act as natural traps for marine litter, particularly single-use PET water bottles. These findings underscore the urgent need for conservation efforts and waste management policies to prevent further degradation and ensure their long-term sustainability.

{"title":"Mangrove forests as a natural trap for marine plastic litter: Insights from the Maldives","authors":"Federico Cerri , Shazla Mohamed , Paolo Galli","doi":"10.1016/j.marpolbul.2025.117677","DOIUrl":"10.1016/j.marpolbul.2025.117677","url":null,"abstract":"<div><div>Plastic pollution poses a significant threat to coastal ecosystems, including mangroves, which naturally trap debris due to their complex, three-dimensional structures. In the Maldives, inadequate plastic waste management exacerbates the accumulation of plastic in these critically endangered ecosystems, which are characterized by unique morphologies consisting of small patches with tide-influenced water bodies. Despite their ecological and socio-economic importance, mangroves in the archipelago have remained undocumented in terms of plastic pollution. This micro article presents the first evidence of plastic debris in Maldivian mangroves with accumulation observed on four islands dominated by species like <em>Ceriops tagal</em>, <em>Bruguiera cylindrica</em>, <em>Rhizophora mucronata</em>, and <em>Pemphis acidula</em>. The high tree density and the three-dimensional structure of these mangroves act as natural traps for marine litter, particularly single-use PET water bottles. These findings underscore the urgent need for conservation efforts and waste management policies to prevent further degradation and ensure their long-term sustainability.</div></div>","PeriodicalId":18215,"journal":{"name":"Marine pollution bulletin","volume":"213 ","pages":"Article 117677"},"PeriodicalIF":5.3,"publicationDate":"2025-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143395992","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Rethinking the design of marine protected areas in coastal habitats

IF 5.3 3区环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES

Marine pollution bulletin

Pub Date : 2025-02-12 DOI: 10.1016/j.marpolbul.2025.117642

Louise Wilson , Rochelle Constantine , Craig A. Radford

The number and size of marine protected areas (MPAs), implemented globally to protect coastal habitats from human pressures, is growing annually. Commercial and recreational fishing are a commonly recognised stressor in coastal habitats, but the impact of sound pollution is largely overlooked in MPA design. Coastal habitats are taxonomically diverse, and this diversity is commonly represented in the soundscape, with many coastal species relying on effective communication for vital life functions, including breeding, prey selection, and predator avoidance. Sound pollution can mask communication and cause behavioural and physiological effects. More research is required to understand the role of sound in marine ecosystems, including which species actively produce sound. In the interim, the effects of sound pollution on those species which have been studied, and the relative ease with which sound pollution can be mitigated, strongly supports addressing this stressor in the design and management of existing and future MPAs.

引用次数: 0

Marine litter in the south-east of the Bay of Biscay: A review of current methods, standards, databases and challenges

IF 5.3 3区环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES

Marine pollution bulletin

Pub Date : 2025-02-12 DOI: 10.1016/j.marpolbul.2025.117632

Carlota Alfaro-Ortega , Julen Ibarretxe , Maider Iturrondobeitia

Marine litter represents a significant global environmental challenge, in which plastics are considered the most concerning components. The widespread use of plastics, which exceeded 410 million tons in 2023, has led to a significant plastic litter accumulation in the oceans. The Bay of Biscay, characterized by its unique physical oceanography and intense human activities has been identified as a marine litter accumulation zone with litter densities in the same range of enclosed seas as the Mediterranean Sea. The purpose of this study is to provide a unique contribution to the south-east of the Bay of Biscay by collecting relevant information about marine macro litter, synthesizing the scientific outcomes for beaches, seafloor, and floating marine litter. In this region, beach litter density varies greatly depending on the beach and the time of year, with densities reaching 494 items/100 m. Litter density is influenced by factors such as wind, river flows, precipitation, or distance to ports or cities. In terms of floating marine litter, the Bay of Biscay is considered an accumulation zone influenced by wind patterns, with litter densities ranging from 0,16 to 3,13 items/km². The seafloor is similarly impacted, with submarine canyons acting as sinks for marine litter and Arcachon Canyon (located in the studied area) as the second most polluted canyon of the entire Bay of Biscay with a record of 9,5 items per 100 images.

{"title":"Marine litter in the south-east of the Bay of Biscay: A review of current methods, standards, databases and challenges","authors":"Carlota Alfaro-Ortega , Julen Ibarretxe , Maider Iturrondobeitia","doi":"10.1016/j.marpolbul.2025.117632","DOIUrl":"10.1016/j.marpolbul.2025.117632","url":null,"abstract":"<div><div>Marine litter represents a significant global environmental challenge, in which plastics are considered the most concerning components. The widespread use of plastics, which exceeded 410 million tons in 2023, has led to a significant plastic litter accumulation in the oceans. The Bay of Biscay, characterized by its unique physical oceanography and intense human activities has been identified as a marine litter accumulation zone with litter densities in the same range of enclosed seas as the Mediterranean Sea. The purpose of this study is to provide a unique contribution to the south-east of the Bay of Biscay by collecting relevant information about marine macro litter, synthesizing the scientific outcomes for beaches, seafloor, and floating marine litter. In this region, beach litter density varies greatly depending on the beach and the time of year, with densities reaching 494 items/100 m. Litter density is influenced by factors such as wind, river flows, precipitation, or distance to ports or cities. In terms of floating marine litter, the Bay of Biscay is considered an accumulation zone influenced by wind patterns, with litter densities ranging from 0,16 to 3,13 items/km<sup>2</sup>. The seafloor is similarly impacted, with submarine canyons acting as sinks for marine litter and Arcachon Canyon (located in the studied area) as the second most polluted canyon of the entire Bay of Biscay with a record of 9,5 items per 100 images.</div></div>","PeriodicalId":18215,"journal":{"name":"Marine pollution bulletin","volume":"213 ","pages":"Article 117632"},"PeriodicalIF":5.3,"publicationDate":"2025-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143396252","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Ecotoxicological effects of sunscreen derived organic and inorganic UV filters on marine organisms: A critical review

IF 5.3 3区环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES

Marine pollution bulletin

Pub Date : 2025-02-11 DOI: 10.1016/j.marpolbul.2025.117627

Anneliese A. Hodge , Frances E. Hopkins , Mahasweta Saha , Awadhesh N. Jha

Sunscreens are topical personal care products that provide protection against the sun's ultraviolet A (UVA) and ultraviolet B (UVB) radiation. Ultraviolet (UV) filters are compounds added to sunscreens to block, absorb, or reflect the sun's UV rays, but are of major emerging concern due to their widespread use and global distribution. They pose a significant risk to marine organisms owing to their chemical properties, including high lipophilicity which increases their bioavailability. The present review identifies and summarises the factors that contribute to UV filter pollution, their sources, pathways, and effects on marine organisms. We identify and evaluate the current knowledge base and gaps pertaining to their effects. Here, we retrieved 111 peer-reviewed articles from four academic search engines between January and October 2024 with the topic search relating to UV filters, sunscreen and ecotoxicology. Most publications (60 %) focused on the biological effects of organic UV filters, with oxybenzone (benzophenone-3) being the most studied (57 %). Fewer publications assessed the biological effects of inorganic UV filters (40 %). Throughout all search results, the most commonly tested species were in the class of bivalvia (24 %) and oxidative stress based assays were the most popular (organic studies 40 %, inorganic studies, 39 %). To enhance understanding, future research should explore a broader range of organisms and life stages, considering dietary uptake and realistic environmental conditions, including the use of UV lighting in laboratory settings.

{"title":"Ecotoxicological effects of sunscreen derived organic and inorganic UV filters on marine organisms: A critical review","authors":"Anneliese A. Hodge , Frances E. Hopkins , Mahasweta Saha , Awadhesh N. Jha","doi":"10.1016/j.marpolbul.2025.117627","DOIUrl":"10.1016/j.marpolbul.2025.117627","url":null,"abstract":"<div><div>Sunscreens are topical personal care products that provide protection against the sun's ultraviolet A (UVA) and ultraviolet B (UVB) radiation. Ultraviolet (UV) filters are compounds added to sunscreens to block, absorb, or reflect the sun's UV rays, but are of major emerging concern due to their widespread use and global distribution. They pose a significant risk to marine organisms owing to their chemical properties, including high lipophilicity which increases their bioavailability. The present review identifies and summarises the factors that contribute to UV filter pollution, their sources, pathways, and effects on marine organisms. We identify and evaluate the current knowledge base and gaps pertaining to their effects. Here, we retrieved 111 peer-reviewed articles from four academic search engines between January and October 2024 with the topic search relating to UV filters, sunscreen and ecotoxicology. Most publications (60 %) focused on the biological effects of organic UV filters, with oxybenzone (benzophenone-3) being the most studied (57 %). Fewer publications assessed the biological effects of inorganic UV filters (40 %). Throughout all search results, the most commonly tested species were in the class of bivalvia (24 %) and oxidative stress based assays were the most popular (organic studies 40 %, inorganic studies, 39 %). To enhance understanding, future research should explore a broader range of organisms and life stages, considering dietary uptake and realistic environmental conditions, including the use of UV lighting in laboratory settings.</div></div>","PeriodicalId":18215,"journal":{"name":"Marine pollution bulletin","volume":"213 ","pages":"Article 117627"},"PeriodicalIF":5.3,"publicationDate":"2025-02-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143377872","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Validating citizen science for community-driven microplastic monitoring and marine protection in Northeast Iceland's Hope Spot

IF 5.3 3区环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES

Marine pollution bulletin

Pub Date : 2025-02-11 DOI: 10.1016/j.marpolbul.2025.117638

Belén G. Ovide , Eleonora Barbaccia , Claudia Lorenz , Charla J. Basran , Erica Cirino , Kristian Syberg , Marianne H. Rasmussen

Governments are increasingly monitoring meso- and microplastic (M/MP) pollution in surface waters to develop cost-effective solutions. While citizen science is widely used in programs like the EU's Marine Litter Watch and NOAA's sampling in the U.S., these efforts primarily focus on macro litter, leaving gaps in M/MP data, especially in under-sampled regions like Icelandic waters. This study addresses this gap through a citizen science initiative (2019–2023) that monitored M/MP pollution in the “Northeast Iceland Hope Spot.” Fifty-eight trawl samples were collected from whale-watching and expedition vessels using a low-tech aquatic debris instrument (LADI) or a high-speed AVANI trawl. M/MP were present in 86 % of samples, with an average density of 0.02 ± 0.03 particles/m³. Concentrations varied significantly between sites (p = 0.005), peaking in Grímsey (0.070 ± 0.03 particles/m³), followed by Eyjafjörður (0.006 ± 0.04 particles/m³) and Skjálfandi Bay (0.004 ± 0.03 particles/m³). Mesoplastics comprised 44 % and microplastics 56 %, primarily polyethylene (47 %) and polypropylene (39 %)—common materials in fishing gear and household plastics. These findings suggest that local currents and fishing activities influence M/MP distribution. Comparison with previous studies validates the use of the presented citizen science methods for tracking floating M/MP in coastal waters and highlights their value in shaping marine conservation policies, particularly in vulnerable subarctic ecosystems.

{"title":"Validating citizen science for community-driven microplastic monitoring and marine protection in Northeast Iceland's Hope Spot","authors":"Belén G. Ovide , Eleonora Barbaccia , Claudia Lorenz , Charla J. Basran , Erica Cirino , Kristian Syberg , Marianne H. Rasmussen","doi":"10.1016/j.marpolbul.2025.117638","DOIUrl":"10.1016/j.marpolbul.2025.117638","url":null,"abstract":"<div><div>Governments are increasingly monitoring meso- and microplastic (M/MP) pollution in surface waters to develop cost-effective solutions. While citizen science is widely used in programs like the EU's Marine Litter Watch and NOAA's sampling in the U.S., these efforts primarily focus on macro litter, leaving gaps in M/MP data, especially in under-sampled regions like Icelandic waters. This study addresses this gap through a citizen science initiative (2019–2023) that monitored M/MP pollution in the “Northeast Iceland Hope Spot.” Fifty-eight trawl samples were collected from whale-watching and expedition vessels using a low-tech aquatic debris instrument (LADI) or a high-speed AVANI trawl. M/MP were present in 86 % of samples, with an average density of 0.02 ± 0.03 particles/m<sup>3</sup>. Concentrations varied significantly between sites (<em>p</em> = 0.005), peaking in Grímsey (0.070 ± 0.03 particles/m<sup>3</sup>), followed by Eyjafjörður (0.006 ± 0.04 particles/m<sup>3</sup>) and Skjálfandi Bay (0.004 ± 0.03 particles/m<sup>3</sup>). Mesoplastics comprised 44 % and microplastics 56 %, primarily polyethylene (47 %) and polypropylene (39 %)—common materials in fishing gear and household plastics. These findings suggest that local currents and fishing activities influence M/MP distribution. Comparison with previous studies validates the use of the presented citizen science methods for tracking floating M/MP in coastal waters and highlights their value in shaping marine conservation policies, particularly in vulnerable subarctic ecosystems.</div></div>","PeriodicalId":18215,"journal":{"name":"Marine pollution bulletin","volume":"213 ","pages":"Article 117638"},"PeriodicalIF":5.3,"publicationDate":"2025-02-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143396253","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Evaluating microplastic trapping efficiency in seagrass meadows using hydraulic flume simulations

IF 5.3 3区环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES

Marine pollution bulletin

Pub Date : 2025-02-11 DOI: 10.1016/j.marpolbul.2025.117660

Abigail Cousins , Christian Dunn , Dan Aberg , Abigail J. Smyth , Max Williams , J.A. Mattias Green , Martyn Kurr

Microplastic (MP) pollution poses a significant environmental threat, with projections indicating a 50-fold increase in pollution levels by 2100. Seagrass meadows, important for carbon storage and sediment stabilisation, may also serve as a Nature-based Solution for MP pollution. Despite the well-documented presence of MPs in seagrass sediments, the efficiencies of MP capture by these habitats remain largely unexplored. In this study, hydraulic flume simulations were conducted to assess how different seagrass planting configurations influence MP trapping. The results indicate that meadows with random spatial distribution are 6 % more effective at trapping MPs under high concentrations compared to grid-patterned meadows, while lower planting densities enhance trapping efficiency by 14 %. These findings offer insights into optimising seagrass restoration efforts for mitigating MP pollution, and this highlights the need for further needed to understand the broader ecological implications of MP retention in these critical ecosystems.

{"title":"Evaluating microplastic trapping efficiency in seagrass meadows using hydraulic flume simulations","authors":"Abigail Cousins , Christian Dunn , Dan Aberg , Abigail J. Smyth , Max Williams , J.A. Mattias Green , Martyn Kurr","doi":"10.1016/j.marpolbul.2025.117660","DOIUrl":"10.1016/j.marpolbul.2025.117660","url":null,"abstract":"<div><div>Microplastic (MP) pollution poses a significant environmental threat, with projections indicating a 50-fold increase in pollution levels by 2100. Seagrass meadows, important for carbon storage and sediment stabilisation, may also serve as a Nature-based Solution for MP pollution. Despite the well-documented presence of MPs in seagrass sediments, the efficiencies of MP capture by these habitats remain largely unexplored. In this study, hydraulic flume simulations were conducted to assess how different seagrass planting configurations influence MP trapping. The results indicate that meadows with random spatial distribution are 6 % more effective at trapping MPs under high concentrations compared to grid-patterned meadows, while lower planting densities enhance trapping efficiency by 14 %. These findings offer insights into optimising seagrass restoration efforts for mitigating MP pollution, and this highlights the need for further needed to understand the broader ecological implications of MP retention in these critical ecosystems.</div></div>","PeriodicalId":18215,"journal":{"name":"Marine pollution bulletin","volume":"213 ","pages":"Article 117660"},"PeriodicalIF":5.3,"publicationDate":"2025-02-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143377873","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Microplastics pollution in Gulf of Bandırma, Sea of Marmara: Biota and sediment

IF 5.3 3区环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES

Marine pollution bulletin

Pub Date : 2025-02-10 DOI: 10.1016/j.marpolbul.2025.117667

Tanju Mutlu , Ahmer Raif Eryaşar , Kaan Karaoğlu , Erdinç Veske , Kenan Gedik

Plastic pollution has become a serious environmental problem on a global scale. Microplastics (MP), in particular, pose a significant threat to marine ecosystems. This study assesses the abundance, distribution, and characteristics of microplastics (MP) present in the Sea of Marmara, where the specimens of selected mollusk (Ostrea edulis, Mytilus galloprovincialis, Rapana venosa), fish (Mugil cephalus, Pomatomus saltatrix), and sediment were investigated. A total of 292 specimens were examined. Microplastics are ubiquitously distributed in all environmental matrices and averaged 2.6 ± 0.9 MP per individual in mollusks and 2.8 ± 1.0 MP per individual in fish. In sediment, microplastics ranged from 195 to 226 MP per kg dry weight. The most abundant microplastics are fibers, blue, and polyethylene terephthalate. The results indicate that microplastic pollution is widespread throughout the Sea of Marmara and may bioaccumulate the food web. Further research is necessary to determine the longer-term trends as well as the ecological impacts arising from this pollution. Monitoring studies of key bioindicators, including bivalves and fish, as well as sediment analysis, are required to understand and mitigate risks to this critical marine environment from microplastics.

{"title":"Microplastics pollution in Gulf of Bandırma, Sea of Marmara: Biota and sediment","authors":"Tanju Mutlu , Ahmer Raif Eryaşar , Kaan Karaoğlu , Erdinç Veske , Kenan Gedik","doi":"10.1016/j.marpolbul.2025.117667","DOIUrl":"10.1016/j.marpolbul.2025.117667","url":null,"abstract":"<div><div>Plastic pollution has become a serious environmental problem on a global scale. Microplastics (MP), in particular, pose a significant threat to marine ecosystems. This study assesses the abundance, distribution, and characteristics of microplastics (MP) present in the Sea of Marmara, where the specimens of selected mollusk (<em>Ostrea edulis, Mytilus galloprovincialis, Rapana venosa</em>), fish (<em>Mugil cephalus, Pomatomus saltatrix</em>), and sediment were investigated. A total of 292 specimens were examined. Microplastics are ubiquitously distributed in all environmental matrices and averaged 2.6 ± 0.9 MP per individual in mollusks and 2.8 ± 1.0 MP per individual in fish. In sediment, microplastics ranged from 195 to 226 MP per kg dry weight. The most abundant microplastics are fibers, blue, and polyethylene terephthalate. The results indicate that microplastic pollution is widespread throughout the Sea of Marmara and may bioaccumulate the food web. Further research is necessary to determine the longer-term trends as well as the ecological impacts arising from this pollution. Monitoring studies of key bioindicators, including bivalves and fish, as well as sediment analysis, are required to understand and mitigate risks to this critical marine environment from microplastics.</div></div>","PeriodicalId":18215,"journal":{"name":"Marine pollution bulletin","volume":"213 ","pages":"Article 117667"},"PeriodicalIF":5.3,"publicationDate":"2025-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143377734","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Trace elements contamination in fish and human health risks from the upper reaches of the Pearl River Basin

IF 5.3 3区环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES

Marine pollution bulletin

Pub Date : 2025-02-10 DOI: 10.1016/j.marpolbul.2025.117659

Wenxia Fan , Wenting Li , Haifeng Hu , Yuehui Yan , Xuemei Ding , Yiyong Luo , Lizhou Tang

Evaluating the concentration of trace elements in fish in the river is crucial for assessing the potential risks to humans from eating fish. In this study, we collected 315 muscle samples of seven indigenous fish species Abbottina rivularis (Basilewsky, 1855), Cobitis taenia (Linnaeus, 1758), Hemiculter leucisculus (Basilewsky, 1855), Misgurnus anguillicaudatus (Cantor, 1842), Oreochromis mossambicus (Günther, 1889), Rhinogobius cliffordpopei (Rutter, 1897), Rhinogobius giurinus (Nichols, 1925) from the upper reaches of the Pearl River Basin in July, August of 2017 to investigate the concentration of zinc (Zn), copper (Cu), chromium (Cr), cadmium (Cd), lead (Pb), arsenic (As), and mercury (Hg) and further evaluate their health risk to humans. Trace elements analysis revealed that the average concentration of Zn (9.56 ± 3.72 mg/Kg) was the highest, followed by Cr (1.67 ± 1.15 mg/Kg), Cu (0.47 ± 0.44 mg/Kg), Pb (0.78 ± 0.12 mg/Kg), Cd (0.06 ± 0.11 mg/Kg), As (0.19 ± 0.56 μg/Kg), and Hg (0.01 ± 0.03 μg/Kg). As the hazard quotient index is <1, the THQ and TTHQ associated with fish consumption represent a negligible non-carcinogenic risk to the health of local consumers. Instead, Cr (cancer risk value: 2.72 × 10⁻⁴) and Cd (cancer risk value: 2.72 × 10⁻⁴) pose a potential cancer threat to local residents who eat the fish studied, and it needs more attention in the monitoring of the aquatic product on human health. Our study could be utilized to implement essential interventions in ecological security and protection, and preventing the emergence of adverse situations.

{"title":"Trace elements contamination in fish and human health risks from the upper reaches of the Pearl River Basin","authors":"Wenxia Fan , Wenting Li , Haifeng Hu , Yuehui Yan , Xuemei Ding , Yiyong Luo , Lizhou Tang","doi":"10.1016/j.marpolbul.2025.117659","DOIUrl":"10.1016/j.marpolbul.2025.117659","url":null,"abstract":"<div><div>Evaluating the concentration of trace elements in fish in the river is crucial for assessing the potential risks to humans from eating fish. In this study, we collected 315 muscle samples of seven indigenous fish species <em>Abbottina rivularis</em> (Basilewsky, 1855), <em>Cobitis taenia</em> (Linnaeus, 1758), <em>Hemiculter leucisculus</em> (Basilewsky, 1855), <em>Misgurnus anguillicaudatus</em> (Cantor, 1842), <em>Oreochromis mossambicus</em> (Günther, 1889), <em>Rhinogobius cliffordpopei</em> (Rutter, 1897), <em>Rhinogobius giurinus</em> (Nichols, 1925) from the upper reaches of the Pearl River Basin in July, August of 2017 to investigate the concentration of zinc (Zn), copper (Cu), chromium (Cr), cadmium (Cd), lead (Pb), arsenic (As), and mercury (Hg) and further evaluate their health risk to humans. Trace elements analysis revealed that the average concentration of Zn (9.56 ± 3.72 mg/Kg) was the highest, followed by Cr (1.67 ± 1.15 mg/Kg), Cu (0.47 ± 0.44 mg/Kg), Pb (0.78 ± 0.12 mg/Kg), Cd (0.06 ± 0.11 mg/Kg), As (0.19 ± 0.56 μg/Kg), and Hg (0.01 ± 0.03 μg/Kg). As the hazard quotient index is <1, the THQ and TTHQ associated with fish consumption represent a negligible non-carcinogenic risk to the health of local consumers. Instead, Cr (cancer risk value: 2.72 × 10<sup>−4</sup>) and Cd (cancer risk value: 2.72 × 10<sup>−4</sup>) pose a potential cancer threat to local residents who eat the fish studied, and it needs more attention in the monitoring of the aquatic product on human health. Our study could be utilized to implement essential interventions in ecological security and protection, and preventing the emergence of adverse situations.</div></div>","PeriodicalId":18215,"journal":{"name":"Marine pollution bulletin","volume":"213 ","pages":"Article 117659"},"PeriodicalIF":5.3,"publicationDate":"2025-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143377733","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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}

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