RESEARCH FISHERY BIOLOGIST
Great Lakes Science Center
Email:
cmadenjian@usgs.gov
Office Phone:
734-214-7259
Fax:
734-994-8780
ORCID:
0000-0002-0326-164X
Location
GLSC - AA - R and D Bldg
1451 Green Road
Ann Arbor
, MI
48105
US
Supervisor:
Kurt R Newman
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Adult walleye (10 females and 10 males) were caught in Fox River (Wisconsin) during April 2014. Total length, weight, and age were determined for each of the walleye. Whole-fish homogenates were prepared during 2017. Lipid concentration and polychlorinated biphenyl (PCB) congener concentrations were determined in each of the homogenates during 2017-2018. For each sample, PCB congener concentrations were summed to yield total PCB concentration. All lipid and PCB congener terminations were made at the University of Michigan School of Public Health in Ann Arbor, Michigan.
Categories: Data;
Tags: Aquatic Biology,
Ecology,
Environmental Health,
Fox River,
Green Bay, All tags...
Lake Michigan,
PCB contamination,
PCB hot spots,
Sander vitreus,
USGS Science Data Catalog (SDC),
Water Quality,
Water Resources,
Wildlife Biology,
biota,
polychlorinated biphenyls,
polychlorinated biphenyls (PCBs), Fewer tags
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Abstract (from http://www.sciencedirect.com/science/article/pii/S0380133014002597): Fish stock-recruitment dynamics may be difficult to elucidate because of nonstationary relationships resulting from shifting environmental conditions and fluctuations in important vital rates such as individual growth or maturation. The Great Lakes have experienced environmental stressors that may have changed population demographics and stock-recruitment relationships while causing the declines of several prey fish species, including rainbow smelt (Osmerus mordax). We investigated changes in the size and maturation of rainbow smelt in Lake Michigan and Lake Huron and recruitment dynamics of the Lake Michigan stock over the past...
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Coregonines are a sub-family of freshwater fishes within the well-known Salmonidae family. In the upper midwestern U.S., these fishes have provided a key food source to Native Americans for millennia and immigrants for the last several centuries. Since the mid-20th century, however, their diversity and abundance has declined owing to several anthropogenic stressors including overfishing, declining quality of key habitat (e.g., dams, eutrophication), and negative interactions with invasive species. Managers of inland lakes in Minnesota and of the Great Lakes in Michigan, Ontario, and New York, and several U.S. Tribes have undertaken various efforts to restore coregonines, including cisco (Coregonus artedi). For example,...
Categories: Project;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: 2021,
CASC,
Fish,
Fish,
Midwest, All tags...
Midwest CASC,
Projects by Region,
Rivers, Streams and Lakes,
Rivers, Streams and Lakes,
Water, Coasts and Ice,
Water, Coasts and Ice,
Wildlife and Plants,
Wildlife and Plants, Fewer tags
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These data consist of juvenile lake trout biological and diet information collected from USGS bottom trawl, beam trawl, and gillnet surveys in Lake Michigan from 2015-2017 and 2019-2022. All prey were identified, enumerated and weighed. Only fish prey and Mysis had lengths measured.
Categories: Data;
Tags: Aquatic Biology,
Juvenile lake trout,
Lake Michigan,
Mysis,
USGS Science Data Catalog (SDC), All tags...
aquatic ecosystems,
biota,
diets,
environment,
food web,
inlandWaters, Fewer tags
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Data includes hatch, unfertilized, underdeveloped, and larval mortality count data of lake trout (Salvelinus namaycush) eggs fertilized from adult gametes collected within Northern Refuge reefs in Lake Michigan conducted by the U.S. Geological Survey Great Lakes Science Center during Fall 2019 gill net survey. Adult lake trout were collected using gill net (4.5, 5.5, and 6.0 inch) panels. Gametes were removed and fertilized in the field and then incubated at the Great Lakes Science Center Aquatic Research Laboratory in Ann Arbor, MI. Results are reported as date, collection reef, latitude, longitude, tray number, reef panel, and counts (unfertilized, dead or unsuccessful hatch, hatched, and larval mortality).
Categories: Data;
Tags: Aquatic Biology,
Ecology,
Great Lakes,
Lake Michigan,
USGS Science Data Catalog (SDC), All tags...
Wildlife Disease,
biota,
contamination and pollution,
eggs,
fish,
lake trout, Fewer tags
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