Search Results - "Hoffman, Joel C."

Global trophic position comparison of two dominant mesopelagic fish families (Myctophidae, Stomiidae) using amino acid nitrogen isotopic analyses by Choy, C Anela, Davison, Peter C, Drazen, Jeffrey C, Flynn, Adrian, Gier, Elizabeth J, Hoffman, Joel C, McClain-Counts, Jennifer P, Miller, Todd W, Popp, Brian N, Ross, Steve W, Sutton, Tracey T

“…The δ(15)N values of organisms are commonly used across diverse ecosystems to estimate trophic position and infer trophic connectivity. We undertook a novel…”
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Linking terrestrial and benthic estuarine ecosystems: organic matter sources supporting the high secondary production of a non-indigenous bivalve by Dias, Ester, Morais, Pedro, Antunes, Carlos, Hoffman, Joel C.

“…The Asian clam, Corbicula fluminea , is among the most pervasive invasive species in freshwater ecosystems worldwide. Our objective was to study C . fluminea…”
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Potential for DNA-based identification of Great Lakes fauna: match and mismatch between taxa inventories and DNA barcode libraries by Trebitz, Anett S., Hoffman, Joel C., Grant, George W., Billehus, Tyler M., Pilgrim, Erik M.

“…DNA-based identification of mixed-organism samples offers the potential to greatly reduce the need for resource-intensive morphological identification, which…”
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Organic Matter Sources Supporting Lower Food Web Production in the Tidal Freshwater Portion of the York River Estuary, Virginia by Hoffman, Joel C., Bronk, Deborah A., Olney, John E.

“…The Mattaponi River is part of the York River estuary in Chesapeake Bay. Our objective was to identify the organic matter (OM) sources fueling the lower food…”
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Invasive Dreissena Mussel Coastal Transport From an Already Invaded Estuary to a Nearby Archipelago Detected in DNA and Zooplankton Surveys by Larson, Courtney E, Barge, Jonathan T, Hatzenbuhler, Chelsea L, Hoffman, Joel C, Peterson, Greg S, Pilgrim, Erik M, Wiechman, Barry, Rees, Christopher B, Trebitz, Anett S

“…Coastal waters of Lake Superior are generally inhospitable to the establishment of invasive . mussels (both and ). have inhabited the Saint Louis River estuary…”
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Lipid correction for carbon stable isotope analysis of deep-sea fishes by Hoffman, Joel C., Sutton, Tracey T.

“…Stable isotope analysis of fish tissue can aid studies of deep-sea food webs because sampling difficulties severely limit sample sizes of fish for traditional…”
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Fish tissue lipid-C:N relationships for correcting δ(13) C values and estimating lipid content in aquatic food-web studies by Hoffman, Joel C, Sierszen, Michael E, Cotter, Anne M

“…Normalizing δ(13) C values of animal tissue for lipid content is necessary to accurately interpret food-web relationships from stable isotope analysis. To…”
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Goals, beneficiaries, and indicators of waterfront revitalization in Great Lakes Areas of Concern and coastal communities by Angradi, Ted R., Williams, Kathleen C., Hoffman, Joel C., Bolgrien, David W.

“…Cleanup of Great Lakes Areas of Concern (AOCs) restores environmental benefits to waterfront communities and is an essential condition for revitalization. We…”
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Early detection monitoring for aquatic non-indigenous species: Optimizing surveillance, incorporating advanced technologies, and identifying research needs by Trebitz, Anett S., Hoffman, Joel C., Darling, John A., Pilgrim, Erik M., Kelly, John R., Brown, Emily A., Chadderton, W. Lindsay, Egan, Scott P., Grey, Erin K., Hashsham, Syed A., Klymus, Katy E., Mahon, Andrew R., Ram, Jeffrey L., Schultz, Martin T., Stepien, Carol A., Schardt, James C.

“…Following decades of ecologic and economic impacts from a growing list of nonindigenous and invasive species, government and management entities are committing…”
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Enhanced Susceptibility of Methylmercury Bioaccumulation into Seston of the Laurentian Great Lakes by Ogorek, Jacob M, Lepak, Ryan F, Hoffman, Joel C, DeWild, John F, Rosera, Tylor J, Tate, Michael T, Hurley, James P, Krabbenhoft, David P

“…Mercury concentrations in the Laurentian Great Lakes waters are among the lowest reported in the literature, while game fish concentrations approach…”
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Ecological Degradation and the Risk of Mosquito-Borne Disease in the Great Lakes Basin by Russell, Marie C., Rappazzo, Kristen M., Hoffman, Joel C.

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Mercury source changes and food web shifts alter contamination signatures of predatory fish from Lake Michigan by Lepak, Ryan F., Hoffman, Joel C., Janssen, Sarah E., Krabbenhoft, David P., Ogorek, Jacob M., DeWild, John F., Tate, Michael T., Babiarz, Christopher L., Yin, Runsheng, Murphy, Elizabeth W., Engstrom, Daniel R., Hurley, James P.

“…To understand the impact reduced mercury (Hg) loading and invasive species have had on methylmercury bioaccumulation in predator fish of Lake Michigan, we…”
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Depth gradients in food‐web processes linking habitats in large lakes: Lake Superior as an exemplar ecosystem by Sierszen, Michael E, Hrabik, Thomas R, Stockwell, Jason D, Cotter, Anne M, Hoffman, Joel C, Yule, Daniel L

“…In large lakes around the world, depth‐based changes in the abundance and distribution of invertebrate and fish species suggest that there may be concomitant…”
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The benthic food web connects the estuarine habitat mosaic to adjacent ecosystems by Dias, Ester, Morais, Pedro, Antunes, Carlos, Hoffman, Joel C.

“…Energy flows from land to sea and between pelagic and benthic environments have the potential to increase the connectivity between estuaries and adjacent…”
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The Eco‐Exposome Concept: Supporting an Integrated Assessment of Mixtures of Environmental Chemicals by Scholz, Stefan, Nichols, John W., Escher, Beate I., Ankley, Gerald T., Altenburger, Rolf, Blackwell, Brett, Brack, Werner, Burkhard, Lawrence, Collette, Timothy W., Doering, Jon A., Ekman, Drew, Fay, Kellie, Fischer, Fabian, Hackermüller, Jörg, Hoffman, Joel C., Lai, Chih, Leuthold, David, Martinovic‐Weigelt, Dalma, Reemtsma, Thorsten, Pollesch, Nathan, Schroeder, Anthony, Schüürmann, Gerrit, von Bergen, Martin

“…Organisms are exposed to ever‐changing complex mixtures of chemicals over the course of their lifetime. The need to more comprehensively describe this exposure…”
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Estuarine consumers utilize marine, estuarine and terrestrial organic matter and provide connectivity among these food webs by Dias, Ester, Morais, Pedro, Cotter, Anne M., Antunes, Carlos, Hoffman, Joel C.

“…The flux of organic matter (OM) across ecosystem boundaries can influence estuarine food web dynamics and productivity. However, this process is seldom…”
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Resolving taxonomic ambiguities: Effects on rarity, projected richness, and indices in macroinvertebrate datasets by Meredith, Christy S., Trebitz, Anett S., Hoffman, Joel C.

“…•No one method to resolve taxonomic ambiguities completely preserves abundance, richness, and rarity.•Many common methods had significant effects on rarity and…”
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Setting an agenda to catalyze research in the social and organizational dimensions of Great Lakes remediation, restoration, and revitalization by Williams, Kathleen C., McLaughlin, Chris, Seelbach, Paul W., Allan, Jon W., Hoffman, Joel C.

“…The Great Lakes region was once a hub of industry and innovation that provided wealth and identity to the region. Economic upheavals have left the region…”
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Pathways and places associated with nonindigenous aquatic species introductions in the Laurentian Great Lakes by O’Malia, Elon M., Johnson, Lucinda B., Hoffman, Joel C.

“…Propagule pressure (i.e., the frequency and abundance of introductions) is a common indicator of the likelihood of nonindigenous aquatic species (NAS)…”
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Examining historical mercury sources in the Saint Louis River estuary: How legacy contamination influences biological mercury levels in Great Lakes coastal regions by Janssen, Sarah E., Hoffman, Joel C., Lepak, Ryan F., Krabbenhoft, David P., Walters, David, Eagles-Smith, Collin A., Peterson, Greg, Ogorek, Jacob M., DeWild, John F., Cotter, Anne, Pearson, Mark, Tate, Michael T., Yeardley, Roger B., Mills, Marc A.

“…Industrial chemical contamination within coastal regions of the Great Lakes can pose serious risks to wetland habitat and offshore fisheries, often resulting…”
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