Article
Environmental Sciences
Thiago Deruza Garcia, Larissa Strictar, Carolina Mendes Muniz, Erivelto Goulart
Summary: Despite the lack of significant differences in ecomorphological and dietary characteristics between urban and rural streams, human activities have negatively impacted both types of streams, resulting in similar structure of fish assemblages. Enhancing environmental management efforts to protect and improve stream ecosystems is necessary to address these issues.
Article
Environmental Sciences
Nan Zhang, Guangxia Shang, Yang Dai, Yuan Zhang, Sen Ding, Xin Gao
Summary: Different biological groups show biased responses to environmental stressors on different scales. Selecting bioindicators based on pressure characteristics is crucial for accurately assessing ecological quality. Macroinvertebrates and fish show distinct responses to environmental stressors, with their indices recommended for biomonitoring programs, especially in plain rivers.
Article
Environmental Sciences
Ken Aho, Dewayne Derryberry, Sarah E. Godsey, Rob Ramos, Sara R. Warix, Samuel Zipper
Summary: Non-perennial streams have gained increasing attention from researchers, but there is a lack of suitable methods for measuring their hydrologic connectivity. In this study, the authors developed Bayesian statistical approaches to measure average active stream length and a new metric called average communication distance. They applied these methods to Murphy Creek in Idaho, USA and found significant increases in effective stream lengths due to flow rarity, as well as seasonal differences in both average stream length and average communication distance. The study highlights the unique perspectives provided by communication distance and demonstrates the usefulness of Bayesian approaches in analyzing non-perennial streams.
WATER RESOURCES RESEARCH
(2023)
Article
Environmental Sciences
Liu Run, Pan Yueting, Chen Siyuan, Shen Jiachen, Luo Yunchao, Zeng Shuiyun, Tian Xingjun
Summary: Metal pollution from mining activities has direct and indirect effects on leaf litter decomposition in streams. The indirect effects through litter traits and decomposer community type are stronger than the direct effects.
ENVIRONMENTAL POLLUTION
(2022)
Article
Engineering, Environmental
Paul G. Matson, Louise M. Stevenson, Rebecca A. Efroymson, R. Trent Jett, Michael W. Jones, Mark J. Peterson, Teresa J. Mathews
Summary: This study investigates the potential natural attenuation of PCB contamination in a large reservoir system through analyzing long-term data from Oak Ridge Reservation in East Tennessee, USA.
JOURNAL OF HAZARDOUS MATERIALS
(2022)
Article
Biodiversity Conservation
Alexander M. M. Milner, Eva M. M. Loza Vega, Tom J. J. Matthews, Sarah C. C. Conn, Fredric M. M. Windsor
Summary: This study investigates the effects of climate change on benthic macroinvertebrate community structure in high-latitude streams in Denali National Park in Alaska. The results show that the alpha diversity of macroinvertebrates varies across different stream systems, with oscillating patterns in snowmelt- and rainfall runoff-fed streams and increasing trends in groundwater-fed streams. Beta-diversity is highly variable over time, with marked transitions occurring in response to extreme snowpack accumulation. These findings highlight the importance of long-term biological studies in stream ecosystems and the vulnerability of high-latitude streams to climate change.
GLOBAL CHANGE BIOLOGY
(2023)
Article
Geosciences, Multidisciplinary
Martin A. Briggs, Phillip Goodling, Zachary C. Johnson, Karli M. Rogers, Nathaniel P. Hitt, Jennifer B. Fair, Craig D. Snyder
Summary: This study provides empirical support for the existing conceptual models of headwater stream disconnection by investigating the influence of local bedrock depth and sediment thickness on summer stream temperature and channel disconnection patterns.
HYDROLOGY AND EARTH SYSTEM SCIENCES
(2022)
Article
Evolutionary Biology
Nicole A. Fusco, Ellen Pehek, Jason Munshi-South
Summary: Urbanization can reduce genetic connectivity among stream salamander populations, potentially leading to population isolation and extinction, particularly in areas with higher levels of urbanization.
EVOLUTIONARY APPLICATIONS
(2021)
Article
Environmental Sciences
Peng Hu, Qinghui Zeng, Jianhua Wang, Jiaming Hou, Hao Wang, Zefan Yang, Huan Liu, Yong Zhao
Summary: The average LRC in China has decreased significantly over the past 60 years, posing a threat to inland fish species, especially in the southern regions. Habitat degradation caused by dam construction is a primary threat, followed by intrinsic factors and pollution.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2021)
Article
Chemistry, Analytical
Joaquim Amandio Azevedo, Joao Andre Bras
Summary: This study introduces a water level measurement technique using image processing procedures and an infrared camera to monitor water levels, achieving good accuracy and being able to deal with the impact of different weather conditions.
Article
Biodiversity Conservation
Christian Wolter, Jost Borcherding, Teresa Ferreira, Joerg Freyhof, Jorn Gessner, Konrad Gorski, Aurel Nastase, Christian Schomaker, Tibor Eros
Summary: This study aims to classify European lampreys and fish species based on their occurrence probabilities in different river regions and floodplain water bodies, providing indices to assess the ecological status of fish assemblages in floodplain river systems.
ECOLOGICAL INDICATORS
(2021)
Article
Multidisciplinary Sciences
Danelle Agnew, Kirstie Fryirs
Summary: By connecting corridors of river recovery, resilience can be built into river systems to mitigate against future floods and droughts. However, there is a lack of methods to identify where these corridors can be built in river management practice. The Open Access NSW River Styles database provides comprehensive information on geomorphic river condition and recovery potential, which can be used to analyze potential locations for river recovery corridors. The study found significant spatial variability in the types and lengths of connections made across different catchments. These findings provide important guidance for river conservation and rehabilitation activities in practice.
Article
Marine & Freshwater Biology
Selma de Donnova, Jana Petruzelova, Katerina Kintrova, Vanda Sorfova, Vendula Polaskova, Michal Straka, Jaroslav Vrba, Jindriska Bojkova
Summary: This study documents the short-term macroinvertebrate colonisation in a near-natural environment after stream restoration. The restored streams were rapidly colonised and reached reference levels in terms of species richness and composition. The distance from upstream colonisation source and restoration method had little effect on recovery.
Article
Ecology
Fei Liu, Pengcheng Lin, Huanzhang Liu, Jun Wang
Summary: The study investigated the spatial and seasonal changes in fish assemblages and their association with environmental factors in mountain streams. It found significant variations in fish community structure at different sites, influenced by both landscape factors and habitat features. Landscape factors had a greater impact on fish assemblages compared to local habitat variables, which were only significant in certain seasons.
ECOLOGY AND EVOLUTION
(2021)
Article
Environmental Sciences
Qinghe Zhao, An Wang, Yaru Jing, Guiju Zhang, Zaihui Yu, Jinhai Yu, Yi Liu, Shengyan Ding
Summary: The study identified the spatial relationship between forest roads and streams, determined the factors affecting sediment connectivity, and optimized BMPs to intercept sediment loads in the Xiangchagou watershed. Results showed that specific BMPs, such as riparian buffers and sediment basins, were effective in reducing sediment connectivity, with defined optimal quantities for maximum impact.
Article
Ecology
Douglas C. Braun, John D. Reynolds, David A. Patterson
Article
Fisheries
Sean C. Godwin, Lawrence M. Dill, John D. Reynolds, Martin Krkosek
CANADIAN JOURNAL OF FISHERIES AND AQUATIC SCIENCES
(2015)
Article
Multidisciplinary Sciences
Noel R. Swain, John D. Reynolds
Article
Multidisciplinary Sciences
Joel M. S. Harding, Michelle R. Segal, John D. Reynolds
Article
Fisheries
Noel R. Swain, Morgan D. Hocking, Jennifer N. Harding, John D. Reynolds
CANADIAN JOURNAL OF FISHERIES AND AQUATIC SCIENCES
(2014)
Article
Fisheries
Douglas C. Braun, John D. Reynolds
CANADIAN JOURNAL OF FISHERIES AND AQUATIC SCIENCES
(2014)
Correction
Fisheries
Noel R. Swain, Morgan D. Hocking, Jennifer N. Harding, John D. Reynolds
CANADIAN JOURNAL OF FISHERIES AND AQUATIC SCIENCES
(2014)
Article
Multidisciplinary Sciences
Michelle C. Nelson, John D. Reynolds
Letter
Multidisciplinary Sciences
Kyle A. Artelle, John D. Reynolds, Paul C. Paquet, Chris T. Darimont
Article
Ecology
Jessica C. Walsh, Jane E. Pendray, Sean C. Godwin, Kyle A. Artelle, Holly K. Kindsvater, Rachel D. Field, Jennifer N. Harding, Noel R. Swain, John D. Reynolds
Article
Biodiversity Conservation
Michael H. H. Price, Jonathan W. Moore, Brendan M. Connors, Kyle L. Wilson, John D. Reynolds
Summary: The study revealed that wild sockeye salmon populations in the Skeena River watershed have declined over the past century, but the artificial enhancement of one population has offset these declines to maintain aggregate levels similar to historical ones. Population diversity has decreased by 70%, with a shift in life-history diversity. Despite stability in total returns, a reduction in spatial extent may impact local fisheries and ecosystems.
JOURNAL OF APPLIED ECOLOGY
(2021)
Article
Ecology
Nicola F. Rammell, Allison M. Dennert, Christopher M. Ernst, John D. Reynolds
Summary: The study found that the delta N-15 content in terrestrial insect bodies near rivers decreases with increasing distance from the spawning river, but is unaffected by soil moisture. Additionally, higher trophic level and more mobile insects did not show discernable patterns in their delta N-15 content. Furthermore, there was no correlation between delta N-15 and body size or total percent nitrogen in insect bodies.
ECOLOGY AND EVOLUTION
(2021)
Article
Ecology
Debora S. Obrist, Owen T. Fitzpatrick, Norah E. M. Brown, Patrick J. Hanly, Wiebe Nijland, Luba Y. Reshitnyk, Sara B. Wickham, Chris T. Darimont, John D. Reynolds, Brian M. Starzomski
Summary: This study examines the scale-dependent effects of marine inputs on island biogeography patterns in British Columbia. The results show that although marine subsidies have no effect at the island scale, increased subsidies at the plot level decrease plant species richness. Animal-mediated nutrient deposits, particularly those from river otters, may contribute to the observed decrease in species richness. These findings provide novel insights into the scale dependence of ecological theory and the links between marine and terrestrial ecosystems.
ECOLOGY AND EVOLUTION
(2022)
Article
Ecology
Lisa D. Siemens, Allison M. Dennert, Debora S. Obrist, John D. Reynolds