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Lake Erie Fish Community Data, 2013-2021 Assessing the distribution and abundance of both predator and prey (forage) fish species is a cornerstone of ecosystem-based fishery management, and supports decision making that considers food-web interactions. In support of binational Great Lakes fishery management the objectives of this survey were to: provide estimates of densities of key forage and predator species in the western basin of Lake Erie, to assess seasonal and spatial distributions of fishes in tandem with water quality information, and to assess year class strength. A systematic grid sampling approach with 41 stations was sampled via bottom trawl during June (Spring) and September (Autumn), starting in 2013. This data release adds 2021 data to... Categories: Data; Tags: Aquatic Biology, Biota, Bottom trawl survey, Ecology, Freshwater ecosystems, All tags... Inland Waters, Lake Erie, Limnology, Michigan, Ohio, Ontario, Population dynamics, USGS Science Data Catalog (SDC), fish AND field sampling, Fewer tags Lake Erie Fish Community Data, 2013-2019 Assessing the distribution and abundance of both predator and prey (forage) fish species is a cornerstone of ecosystem-based fishery management, and supports decision making that considers food-web interactions. In support of binational Great Lakes fishery management the objectives of this survey were to: provide estimates of densities of key forage and predator species in the western basin of Lake Erie, to assess seasonal and spatial distributions of fishes in tandem with water quality information, and to assess year class strength. A systematic grid sampling approach with 41 stations was sampled via bottom trawl during June (Spring) and September (Autumn), starting in 2013. This data release adds 2019 data to... Categories: Data; Tags: Aquatic Biology, Ecology, Lake Erie, Michigan, Ohio, All tags... Ontario, USGS Science Data Catalog (SDC), biota, bottom trawl survey, field sampling, fishery resources, freshwater ecosystems, inlandWaters, population dynamics, Fewer tags Lake Erie Fish Community Data, 2013-2020 Assessing the distribution and abundance of both predator and prey (forage) fish species is a cornerstone of ecosystem-based fishery management, and supports decision making that considers food-web interactions. In support of binational Great Lakes fishery management the objectives of this survey were to: provide estimates of densities of key forage and predator species in the western basin of Lake Erie, to assess seasonal and spatial distributions of fishes in tandem with water quality information, and to assess year class strength. A systematic grid sampling approach with 41 stations was sampled via bottom trawl during June (Spring) and September (Autumn), starting in 2013. This data release adds 2020 data to... Categories: Data; Tags: Aquatic Biology, Lake Erie, Michigan, Ohio, Ontario, All tags... USGS Science Data Catalog (SDC), biota, bottom trawl survey, field sampling, freshwater ecosystems, inlandWaters, population dynamics, Fewer tags Lake Erie Fish Community Data, 2013-2023 Assessing the distribution and abundance of both predator and prey (forage) fish species is a cornerstone of ecosystem-based fishery management and supports decision making that considers food-web interactions. In support of binational Great Lakes fishery management, the objectives of this survey were to: provide estimates of densities of key forage and predator species in the western basin of Lake Erie, to assess seasonal and spatial distributions of fishes in tandem with water quality information, and to assess year class strength. A systematic grid sampling approach with 41 stations was sampled via bottom trawl during June (Spring) and September (Autumn), starting in 2013. This data release adds 2023 data to... Categories: Data; Tags: Aquatic Biology, Ecology, Lake Erie, Limnology, Michigan, All tags... Ohio, Ontario, USGS Science Data Catalog (SDC), bottom trawl survey, farming, field sampling, freshwater ecosystems, oceans, population dynamics, Fewer tags Resource partitioning across a trophic gradient between a freshwater fish and an intraguild exotic Abstract (from Ecology of Freshwater Fish): The introduction of exotic species has the potential to cause resource competition with native species and may lead to competitive exclusion when resources are limiting. On the other hand, information is lacking to predict under what alternate trophic conditions coexistence may occur. Comparing diets of native yellow perch Perca flavescens and nonindigenous white perch Morone americana, we examined variation in resource partitioning and body condition across a prominent longitudinal nutrient gradient in Lake Erie (north‐eastern United States, Canada). As measured with Analysis of Similarity and Schoener's index, diet similarity declined monotonically from west to east... Categories: Publication; Types: Citation Diet Data from the Western Basin of Lake Erie Examining White and Yellow Perch, 2012-2016 A fish’s diet is the integrated response of multiple ecological interactions including habitat use, foraging behavior, prey community characteristics, and inter-specific interactions. Fish diet samples have quantified how the invasion of white perch into Lake Erie in the early 1950s has influenced interactions with native yellow perch, which are similar in morphology and habitat use. Early research largely concluded that given the high foraging efficiency of white perch there is both high potential for inter-specific competition and that the invasion of white perch has negatively affected yellow perch. As part of a biannual (spring and autumn) Lake Erie Western Basin Forage Fish Assessment, the USGS Lake Erie Biological... Categories: Data; Tags: Aquatic Biology, Ecology, Lake Erie, Michigan, Ohio, All tags... Ontario, USGS Science Data Catalog (SDC), biota, ecological competition, fishery management, fishery resources, inlandWaters, invasive species, Fewer tags Zebra and Quagga Mussel Dry Weight Information; Lake Erie 2014 Impacts of dreissenid mussels (Dreissena spp.) on Great Lakes ecosystems are well documented, and a better understanding of mechanisms that cause variation in mussel abundance is needed. An outstanding question is how much mussel biomass is consumed by fish predation. A significant difficulty for investigating mussel consumption by fish is that mussels in stomachs are often a mix of crushed shell and flesh. Here, we provide information on the relationship between shell-and-flesh dry weight measurements and flesh-only dry weight of two species of dreissenid mussel, quagga (Dreissena rostiformis bugensis) and zebra (Dreissena polymorpha), to be used in formulating conservative estimates of flesh-only dry weight in... Categories: Data; Tags: Aquatic Biology, Lake Erie, Michigan, Ohio, Ontario, All tags... USGS Science Data Catalog (SDC), fishery management, fishery resources, invasive species, Fewer tags Lake Erie Fish Community Data, 2013-2022 Assessing the distribution and abundance of both predator and prey (forage) fish species is a cornerstone of ecosystem-based fishery management, and supports decision making that considers food-web interactions. In support of binational Great Lakes fishery management the objectives of this survey were to: provide estimates of densities of key forage and predator species in the western basin of Lake Erie, to assess seasonal and spatial distributions of fishes in tandem with water quality information, and to assess year class strength. A systematic grid sampling approach with 41 stations was sampled via bottom trawl during June (Spring) and September (Autumn), starting in 2013. This data release adds 2022 data to... Categories: Data; Tags: Aquatic Biology, Ecology, Limnology, USGS Science Data Catalog (SDC)