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Spatiotemporal patterns of macroinvertebrate assemblages across mountain streams with contrasting thermal regimes 山地溪流中大型无脊椎动物群落的时空格局
4区 环境科学与生态学 Q3 ECOLOGY Pub Date : 2023-10-03 DOI: 10.1086/728053
Luca Bonacina, David Eme, Riccardo Fornaroli, Nicolas Lamouroux, Sophie Cauvy-Fraunié
Next article No AccessSpatiotemporal patterns of macroinvertebrate assemblages across mountain streams with contrasting thermal regimesLuca Bonacina, David Eme, Riccardo Fornaroli, Nicolas Lamouroux, and Sophie Cauvy-FrauniéLuca Bonacina Search for more articles by this author , David Eme Search for more articles by this author , Riccardo Fornaroli Search for more articles by this author , Nicolas Lamouroux Search for more articles by this author , and Sophie Cauvy-Fraunié Search for more articles by this author PDFPDF PLUS Add to favoritesDownload CitationTrack CitationsPermissionsReprints Share onFacebookTwitterLinkedInRedditEmailPrint SectionsMoreDetailsFiguresReferencesCited by Freshwater Science Just Accepted Published on behalf of the Society for Freshwater Science Article DOIhttps://doi.org/10.1086/728053 HistoryAccepted September 26, 2023 © 2023 Society for Freshwater Science. All Rights reserved.PDF download Crossref reports no articles citing this article.
下一篇文章无法访问大型无脊椎动物群落在不同热环境下的时空分布模式luca Bonacina, David Eme, Riccardo Fornaroli, Nicolas Lamouroux和Sophie cauv - frauni - -海姆斯基卢卡Bonacina搜索本作者的更多文章,David Eme搜索本作者的更多文章,Riccardo Fornaroli搜索本作者的更多文章,Nicolas Lamouroux搜索本作者的更多文章,和Sophie cauv - frauni搜索本文作者的更多文章PDFPDF PLUS添加到收藏列表下载CitationTrack citationspermissions转载分享在facebook twitter linkedinredditemailprint sectionsmoredetailsfigures参考文献淡水科学引用刚刚接受代表淡水科学学会发表文章DOIhttps://doi.org/10.1086/728053历史接受2023年9月26日©2023淡水科学学会。Crossref报告没有引用这篇文章的文章。
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引用次数: 0
Biotic interactions could control colonization success during stream restoration 在河流恢复过程中,生物间的相互作用可以控制定植的成功
4区 环境科学与生态学 Q3 ECOLOGY Pub Date : 2023-10-03 DOI: 10.1086/728054
Imogen B. Eglesfield, Angus McIntosh, Helen J Warburton
Previous articleNext article No AccessBiotic interactions could control colonization success during stream restorationImogen B. Eglesfield, Angus McIntosh, and Helen J WarburtonImogen B. Eglesfield Search for more articles by this author , Angus McIntosh Search for more articles by this author , and Helen J Warburton Search for more articles by this author PDFPDF PLUS Add to favoritesDownload CitationTrack CitationsPermissionsReprints Share onFacebookTwitterLinkedInRedditEmailPrint SectionsMoreDetailsFiguresReferencesCited by Freshwater Science Just Accepted Published on behalf of the Society for Freshwater Science Article DOIhttps://doi.org/10.1086/728054 HistoryAccepted September 25, 2023 © 2023 Society for Freshwater Science. All Rights reserved.PDF download Crossref reports no articles citing this article.
上一篇文章下一篇文章无访问生物相互作用可以控制河流恢复过程中的殖民成功imogen B. Eglesfield, Angus McIntosh, and Helen J WarburtonImogen B. Eglesfield查找本文作者的更多文章,Angus McIntosh查找本文作者的更多文章和Helen J Warburton搜索本文作者的更多文章PDFPDF PLUS添加到收藏列表下载CitationTrack citationspermissions转载分享在facebook twitter linkedinredditemailprint sectionsmoredetailsfigures参考文献淡水科学引用刚刚接受代表淡水科学学会发表文章DOIhttps://doi.org/10.1086/728054历史接受2023年9月25日©2023淡水科学学会。Crossref报告没有引用这篇文章的文章。
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引用次数: 0
Front Matter 前页
4区 环境科学与生态学 Q3 ECOLOGY Pub Date : 2023-09-01 DOI: 10.1086/727696
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引用次数: 0
Predicting suitable habitat for surrogate species of critically imperiled freshwater mussels to aid in translocations 预测濒危淡水贻贝替代物种的适宜栖息地,以帮助易位
IF 1.8 4区 环境科学与生态学 Q3 ECOLOGY Pub Date : 2023-07-11 DOI: 10.1086/726740
Hugo Yves Ruellan, Kirk W. Stodola, Alison P. Stodola, J. Tiemann
Freshwater mussels are among the most imperiled freshwater taxa, and translocation of these endangered species is one option for conservation. However, the long-term success of translocations is difficult to determine, in part because the amount of suitable habitat for a translocated species is often not known. Two federally endangered freshwater mussel species, the Northern Riffleshell Epioblasma rangiana (Lea, 1837) and the Clubshell Pleurobema clava (Lamarck, 1819), were recently translocated to the Middle Fork and Salt Fork of the Vermilion River in East Central Illinois, USA; however, the total amount of suitable habitat in both rivers remains unknown. To identify potential suitable habitat for these mussels in the Middle Fork and Salt Fork of the Vermilion River, we sampled 79 sites for surrogate mussel species of E. rangiana and P. clava along with their host fishes. We investigated habitat suitability by modeling presence/absence and abundance of surrogate mussel species to determine the landscape variables most strongly associated with surrogate mussel species presence/absence and abundance. We used these model results to create a habitat suitability index. We then validated our model predictions using timed searches in y 2 of our study. Our results indicate there may be more suitable habitat than previously believed throughout both rivers and that ample habitat is available to support large populations of mussels. Our approach also demonstrates how landscape variables can be used to successfully identify potential sites for future translocations.
淡水贻贝是最濒危的淡水类群之一,这些濒危物种的迁移是保护的一种选择。然而,迁移的长期成功是很难确定的,部分原因是迁移物种的合适栖息地的数量通常是未知的。两个联邦濒危的淡水贻贝物种,北河贝Epioblasma rangiana (Lea, 1837)和Clubshell Pleurobema clava (Lamarck, 1819),最近被转移到美国伊利诺斯州中东部的朱米利河的Middle Fork和Salt Fork;然而,这两条河的适宜栖息地的总量仍然未知。为了确定这些贻贝在朱砂河中叉和盐叉的潜在适宜栖息地,我们对79个地点的代贻贝和代贻贝及其寄主鱼类进行了取样。我们通过模拟替代贻贝物种的存在/缺失和丰度来研究生境适宜性,以确定与替代贻贝物种的存在/缺失和丰度最密切相关的景观变量。我们利用这些模型结果创建了一个栖息地适宜性指数。然后,我们在研究的y 2中使用定时搜索验证了我们的模型预测。我们的研究结果表明,在两条河流中可能有比以前认为的更合适的栖息地,并且有充足的栖息地可以支持大量的贻贝。我们的方法还展示了如何利用景观变量成功地确定未来易位的潜在地点。
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引用次数: 0
Headwater streams in an urbanizing world 城市化世界中的水源
IF 1.8 4区 环境科学与生态学 Q3 ECOLOGY Pub Date : 2023-07-06 DOI: 10.1086/726682
Moss Imberger, B. Hatt, Stephanie Brown, M. J. Burns, R. Burrows, C. J. Walsh
Headwater streams are critical to the integrity of the stream network, yet they are being rapidly degraded, channelized, or lost through land-cover and land-use change, particularly in urbanizing areas. We refined the definition of a headwater stream, reviewed the headwater stream ecosystem literature using examples from southeastern Australia and globally, and identified 4 critical knowledge gaps that are hampering the management of these unique systems: 1) inadequate high-resolution mapping and, thus, low-accuracy estimates of headwater stream locations and extents within catchments; 2) insufficient characterization of headwater stream typologies across varying geological, topographical, climatic, and anthropogenic conditions; 3) incomplete quantification of headwater stream structure, function, and ecosystem services across varying scales; and 4) limited understanding of the effects of urbanization on headwater streams against a backdrop of climate change. We propose a series of research questions to address these gaps and, finally, hypothesize and discuss the most effective ways to protect headwater streams in urbanizing environments given our current state of understanding. Of particular importance are the need to 1) shift perceptions of these systems as dry, insignificant depressions in the landscape; 2) manage both the headwater stream catchment and the channel; and 3) prioritize protection of the natural flow regime.
水源流对河流网络的完整性至关重要,但由于土地覆盖和土地利用的变化,尤其是在城市化地区,水源流正在迅速退化、渠化或流失。我们完善了源头流的定义,使用澳大利亚东南部和全球的例子回顾了源头流生态系统文献,并确定了阻碍这些独特系统管理的4个关键知识缺口:1)高分辨率地图绘制不足,因此对集水区内源头流的位置和范围的估计精度较低;2) 在不同的地质、地形、气候和人为条件下,对源头河流类型的描述不足;3) 不同规模的源头结构、功能和生态系统服务的不完全量化;以及4)在气候变化的背景下,对城市化对源头溪流的影响了解有限。我们提出了一系列研究问题来解决这些差距,最后,根据我们目前的理解状态,假设并讨论在城市化环境中保护水源的最有效方法。特别重要的是需要1)改变人们对这些系统的看法,将其视为景观中干燥、微不足道的洼地;2) 管理上游集水区和河道;以及3)优先保护自然流态。
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引用次数: 0
Trace metal–macronutrient colimitation of algal biofilms in streams with differing ambient inorganic nutrients 在不同环境无机营养物的溪流中,藻类生物膜的微量金属-巨量营养素共仿
IF 1.8 4区 环境科学与生态学 Q3 ECOLOGY Pub Date : 2023-07-06 DOI: 10.1086/726684
Andrea S. Fitzgibbon, D. Costello
The supply of nutrients in streams is an important driver of biofilm production, ecosystem process rates, and basal resource availability. Current understanding of bottom-up drivers of microbial processes derives from studies of N and P, even though algal biofilms require a much larger set of elements to sustain growth. Studies in marine and lake ecosystems demonstrate that trace metals like Fe, Zn, Ni, and Mo can limit the growth of primary producers, but it is not known if these patterns hold in streams. We used trace metal nutrient diffusing substrata to experimentally enrich biofilms with N, P, Fe, Zn, Ni, and Mo alone and in specific combinations to test for macronutrient (i.e., N and P) limitation and trace metal–macronutrient colimitation. We completed enrichment experiments in 5 low-macronutrient streams in the Upper Peninsula of Michigan, USA, and 5 high-macronutrient streams in northeast Ohio, USA. As expected, biofilm chlorophyll a was most frequently colimited by N and P (40% of streams), with macronutrient limitation more common in the Upper Peninsula streams. At least 1 trace metal was limiting or colimiting with a macronutrient in 9/10 study streams, including streams that showed no evidence of N or P limitation. Trace metal colimitation with macronutrients was more frequent in streams with low inorganic N and P surface-water concentrations. In 4 streams, we observed algal biomass responses consistent with biochemically dependent colimitation, in which a trace metal alleviates N or P limitation by increasing access to an alternative source (e.g., organic P, N2). In biochemically dependent, colimited biofilms, the growth enrichment was less for trace metals than the inorganic nutrient (<15%), which suggests a substantial energy trade-off when relying on alternate nutrient sources. Overall, we demonstrated that trace metals are critical nutrients for stream primary producers, and that trace metal limitation may be an overlooked bottom-up driver that can have unexplored consequences for the structure and function of streams.
河流中营养物质的供应是生物膜生产、生态系统过程速率和基础资源有效性的重要驱动因素。目前对微生物过程自下而上驱动因素的理解来自于对氮和磷的研究,尽管藻类生物膜需要更多的元素来维持生长。对海洋和湖泊生态系统的研究表明,铁、锌、镍和钼等微量金属可以限制初级生产者的生长,但尚不清楚这些模式是否在溪流中成立。利用微量金属营养物扩散基质,对生物膜进行N、P、Fe、Zn、Ni和Mo单独或特定组合富集实验,以测试微量营养素(即N和P)的限制和微量金属-大量营养素的协同作用。在美国密歇根州上半岛的5条低宏量营养素溪流和美国俄亥俄州东北部的5条高宏量营养素溪流中完成了富集实验。正如预期的那样,生物膜叶绿素a最常受到N和P的限制(占溪流的40%),而宏量营养素限制在上半岛溪流中更为常见。在9/10的研究河流中,包括没有显示出N或P限制证据的河流中,至少有1种微量金属限制或限制了一种常量营养素。在无机氮磷浓度较低的地表水中,微量金属与常量营养元素的共生更为频繁。在4条河流中,我们观察到藻类生物量响应与生物化学依赖的共仿一致,其中微量金属通过增加对替代来源(例如有机P, N2)的获取来减轻N或P的限制。在生物化学依赖的有限生物膜中,微量金属的生长富集程度低于无机营养物(<15%),这表明在依赖其他营养来源时需要进行大量的能量权衡。总的来说,我们证明了微量金属是河流初级生产者的关键营养物质,微量金属的限制可能是一个被忽视的自下而上的驱动因素,可能对河流的结构和功能产生未知的后果。
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引用次数: 0
Identifying invertebrate indicators for streamflow duration assessments in forested headwater streams 确定森林源溪流水流持续时间评估的无脊椎动物指标
IF 1.8 4区 环境科学与生态学 Q3 ECOLOGY Pub Date : 2023-07-05 DOI: 10.1086/726081
K. Fritz, R. Kashuba, G. Pond, J. Christensen, L. Alexander, Benjamin J. Washington, B. Johnson, D. Walters, W. Thoeny, Paul C. Weaver
Streamflow-duration assessment methods (SDAMs) are rapid, indicator-based tools for classifying streamflow duration (e.g., intermittent vs perennial flow) at the reach scale. Indicators are easily assessed stream properties used as surrogates of flow duration, which is too resource intensive to measure directly for many reaches. Invertebrates are commonly used as SDAM indicators because many are not highly mobile, and different species have life stages that require flow for different durations and times of the year. The objectives of this study were to 1) identify invertebrate taxa that can be used as SDAM indicators to distinguish between stream reaches having intermittent and perennial flow, 2) to compare indicator strength across different taxonomic and numeric resolutions, and 3) to assess the relative importance of season and habitat type on the ability of invertebrates to predict streamflow-duration class. We used 2 methods, random forest models and indicator species analysis, to analyze aquatic and terrestrial invertebrate data (presence/absence, density, and biomass) at the family and genus levels from 370 samples collected from both erosional and depositional habitats during both wet and dry seasons. In total, 36 intermittent and 53 perennial reaches were sampled along 31 forested headwater streams in 4 level II ecoregions across the United States. Random forest models for family- and genus-level datasets had stream classification accuracy ranging from 88.9 to 93.2%, with slightly higher accuracy for density than for presence/absence and biomass datasets. Season (wet/dry) tended to be a stronger predictor of streamflow-duration class than habitat (erosional/depositional). Many taxa at the family (58.8%) and genus level (61.6%) were collected from both intermittent and perennial reaches, and most taxa that were exclusive to 1 streamflow-duration class were rarely collected. However, 23 family-level or higher taxa (20 aquatic and 3 terrestrial) and 44 aquatic genera were identified as potential indicators of streamflow-duration class for forested headwater streams. The utility of the potential indicators varied across level II ecoregions in part because of representation of intermittent and perennial reaches in the dataset but also because of variable ecological responses to drying among species. Aquatic invertebrates have been an important field indicator of perennial reaches in existing SDAMs, but our findings highlight how including aquatic and terrestrial invertebrates as indicators of intermittent reaches can further maximize the data collected for streamflow-duration classifications.
流时评估方法(sdam)是一种快速的、基于指标的工具,用于在河段尺度上对流时进行分类(例如,间歇流与多年流)。指标很容易评估流属性,用作流持续时间的替代品,这对许多河段来说太过资源密集,无法直接测量。无脊椎动物通常被用作SDAM指标,因为许多动物的流动性不高,不同的物种有不同的生命阶段,需要在一年中的不同时间和时间流动。本研究的目的是:1)确定可作为SDAM指标的无脊椎动物类群,以区分间歇流和多年流的河流河段;2)比较不同分类和数值分辨率下的指标强度;3)评估季节和栖息地类型对无脊椎动物预测河流时间等级能力的相对重要性。采用随机森林模型和指示物种分析两种方法,分析了在湿季和旱季从侵蚀和沉积生境采集的370个水生和陆生无脊椎动物样本的科和属水平数据(存在/缺失、密度和生物量)。在美国4个二级生态区内,沿31条森林源河流共取样了36条间歇河段和53条多年生河段。科级和属级数据集的随机森林模型的流分类准确率在88.9 ~ 93.2%之间,密度的准确率略高于存在/缺失和生物量数据集的准确率。季节(湿/干)比生境(侵蚀/沉积)更能预测径流持续时间。科级(58.8%)和属级(61.6%)的分类群在间歇河段和多年生河段均有收集,而只属于一个流时纲的分类群很少被收集。结果表明,23个科级以上分类群(20个水生分类群,3个陆生分类群)和44个水生属可作为森林源流流时级的潜在指标。潜在指标的效用在二级生态区域之间存在差异,部分原因是数据集中间歇性和多年生河段的代表性,但也因为物种之间对干燥的生态反应不同。水生无脊椎动物一直是现有水库中多年生河段的重要野外指标,但我们的研究结果强调了如何将水生和陆生无脊椎动物作为间歇河段的指标,从而进一步最大化收集的数据,以进行流时分类。
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引用次数: 0
Joint species distribution models reveal taxon-specific sensitivities to potential anthropogenic alteration 联合物种分布模型揭示了分类群对潜在人为改变的敏感性
IF 1.8 4区 环境科学与生态学 Q3 ECOLOGY Pub Date : 2023-06-13 DOI: 10.1086/726283
D. Kopp, J. Stoddard, R. Hill, Jessie M. Doyle, P. Kaufmann, A. Herlihy, S. Paulsen
Taxon–environment relationships can elucidate a taxon’s tolerance or sensitivity to specific environmental conditions. We use a joint species distribution modeling framework to quantify relationships between ∼1700 benthic macroinvertebrate assemblages in streams and rivers across the contiguous United States and several environmental gradients that are susceptible to human alteration (e.g., nutrients, salinity, physical habitat, and climate). We found that the predicted occurrence probability for sampling units where a taxon actually occurs was 0.15 to 0.24 greater than the predicted occurrence probability for sampling units where a taxon does not occur, and a relatively large percentage (32–58%) responded to gradients of substrate diameter, mean summer air temperature, or total P. At the assemblage level, genus richness could change along environmental gradients by as many as 5 to 17 taxa depending on the ecoregion. Often, the largest change in genus richness was associated with sediment diameter. We also investigated whether a suite of traits (i.e., clinger, scraper, pollution tolerance, and thermal optima) were related to a genus’ association with an environmental gradient and found that some traits are positively related to an organism’s occurrence along one environmental gradient but negatively related to its occurrence along another. For example, in several ecoregions, thermal preference was positively related to mean summer air temperature but negatively related to nutrient concentrations. Collectively, our results showcase a multivariate approach for modeling biotic assemblages that can integrate multiple sources of information (i.e., environmental factors, biological traits, phylogenetic relationships, and co-occurrences) that are routinely collected by biomonitoring programs.
分类学与环境的关系可以阐明一个分类单元对特定环境条件的耐受性或敏感性。我们使用联合物种分布建模框架来量化美国邻近溪流和河流中约1700个底栖大型无脊椎动物组合与易受人类变化影响的几个环境梯度(如营养物质、盐度、物理栖息地和气候)之间的关系。我们发现,实际存在分类单元的采样单元的预测发生概率比没有出现分类单元的样本单元的预测出现概率大0.15至0.24,并且相对较大的百分比(32-58%)对基质直径、夏季平均气温或总磷的梯度有响应。在组合水平上,根据生态区的不同,属的丰富度可能会随着环境梯度变化多达5到17个分类群。通常,属丰富度的最大变化与沉积物直径有关。我们还调查了一系列特征(即紧贴者、刮擦者、耐污染性和热最优)是否与一个属与环境梯度的关联有关,并发现一些特征与一个生物在一个环境梯度上的出现呈正相关,但与另一个环境梯度上的发生负相关。例如,在几个生态区,热偏好与夏季平均气温呈正相关,但与营养物浓度呈负相关。总之,我们的研究结果展示了一种建模生物组合的多元方法,该方法可以整合生物监测程序常规收集的多个信息来源(即环境因素、生物特征、系统发育关系和共现)。
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引用次数: 1
Context matters: An insider’s view on freshwater ecosystem research in Latin America 背景很重要:一位内部人士对拉丁美洲淡水生态系统研究的看法
4区 环境科学与生态学 Q3 ECOLOGY Pub Date : 2023-06-01 DOI: 10.1086/725026
Pablo E. Gutiérrez-Fonseca, Marina Tagliaferro
Freshwater science has grown and evolved extensively since its inception in the late 1800s. Many of the models and conceptual frameworks developed for and used in freshwater research were originally proposed by researchers in the Global North to explain patterns and processes in temperate streams. This view of freshwater ecosystems has extended to research in Latin America, potentially limiting our ability to understand unique ecological and socioeconomic attributes of the watersheds found in our region. Recently, there has been an increase in freshwater research being conducted by Latin American scientists, who may be able to apply and validate more suitable models and conceptual frameworks given their personal experiences and insights about local realities. In this BRIDGES cluster, we feature the work of early career Latin American researchers who are addressing environmental concerns pertinent to the region through research that challenges some of the ideas developed for river networks in the Global North.
淡水科学自19世纪后期成立以来,已经得到了广泛的发展和演变。为淡水研究开发和使用的许多模型和概念框架最初是由全球北方的研究人员提出的,用于解释温带河流的模式和过程。这种淡水生态系统的观点已经扩展到拉丁美洲的研究,这可能会限制我们理解本地区流域独特的生态和社会经济属性的能力。最近,拉丁美洲科学家进行的淡水研究有所增加,鉴于他们的个人经验和对当地现实的见解,他们也许能够应用和验证更合适的模型和概念框架。在这个BRIDGES集群中,我们介绍了早期职业拉丁美洲研究人员的工作,他们通过研究挑战了全球北方河流网络的一些想法,解决了与该地区相关的环境问题。
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引用次数: 1
Front Matter 前页
4区 环境科学与生态学 Q3 ECOLOGY Pub Date : 2023-06-01 DOI: 10.1086/726107
Previous articleNext article FreeFront MatterPDFPDF PLUS Add to favoritesDownload CitationTrack CitationsPermissionsReprints Share onFacebookTwitterLinkedInRedditEmailPrint SectionsMoreDetailsFiguresReferencesCited by Freshwater Science Volume 42, Number 2June 2023 Published on behalf of the Society for Freshwater Science Article DOIhttps://doi.org/10.1086/726107 Views: 16Total views on this site © 2023 The Society for Freshwater Science.PDF download Crossref reports no articles citing this article.
上一篇文章下一篇文章FreeFront matters pdfpdf PLUS添加到收藏列表下载CitationTrack citationspermissions转载分享于facebook twitter linkedinredditemailprint sectionsmoredetailsfigures参考文献淡水科学引用第42卷,第2期2023年6月代表淡水科学学会出版文章DOIhttps://doi.org/10.1086/726107观点:本网站的总浏览量©2023 The Society for Freshwater Science.PDF download Crossref报告没有引用本文的文章。
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引用次数: 0
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Freshwater Science
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