Search Results - "Levengood, Jeffrey M."

Effects of nest type and sex on blood saccharide profiles in Humboldt penguins (Spheniscus humboldti): Implications for habitat conservation by Schaeffer, David J, Levengood, Jeffrey M, Adkesson, Michael J

“…Reproductive success of endangered Humboldt penguin (Spheniscus humboldti) colonies in Peru has been associated with nesting habitat type, presumably due to…”
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Intersexuality and the Cricket Frog Decline: Historic and Geographic Trends by Reeder, Amy L., Ruiz, Marilyn O., Pessier, Allan, Brown, Lauren E., Levengood, Jeffrey M., Phillips, Christopher A., Wheeler, Matthew B., Warner, Richard E., Beasley, Val R.

“…Exposure to anthropogenic endocrine disruptors has been listed as one of several potential causes of amphibian declines in recent years. We examined gonads of…”
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Metabolite Profiles of Male and Female Humboldt Penguins by Levengood, Jeffrey M, Schaeffer, David J, Ulanov, Alexander V

“…We examined 185 metabolites in 30 adult Humboldt Penguins ( ) nesting at the Punta San Juan Marine Protected Area, Peru, in order to examine gender differences…”
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Pathologic impacts of contaminants in freshwater fish of Cook County IL by Imanse, Sierra M., Anchor, Chris L., Anchor, Gretchen C., Landolfi, Jennifer A., Kinsel, Michael J., Levengood, Jeffrey M., Delaney, Martha A., Terio, Karen A.

“…•Toxicant levels in Cook County, IL fish are a concern for human consumption but unknown effect on fish.•Evidence of bioaccumulation of mercury in common carp…”
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A new look for TWS publications by Krausman, Paul R., Collier, Bret, Ben‐David, Merav, Cox, Allison S., Knipps, Anna C. S., Levengood, Jeffrey M.

“…The appearance of The Wildlife Society (TWS) publications (i.e., Journal of Wildlife Management [JWM], Wildlife Monographs [WM], Wildlife Society Bulletin…”
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Metal Concentrations in Tissues of Gadwall and Common Teal from Miankaleh and Gomishan International Wetlands, Iran by Sinkakarimi, Mohammad-Hosein, Binkowski, Lukasz J., Hassanpour, Mehdi, Rajaei, Ghasem, Ahmadpour, Mohsen, Levengood, Jeffrey M.

“…Miankaleh and Gomishan International Wetlands are important wintering areas for waterbirds in the Caspian Sea region. Previous studies revealed increased…”
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Basin-scale patterns of common carp physiological condition associated with EDC exposure in a large Anthropocene river by VanMiddlesworth, Madeleine M., DeBoer, Jason A., Fritts, Mark W., Levengood, Jeffrey M., Casper, Andrew F.

“…Common carp ( Cyprinus carpio ) is a commercially and recreationally important species that has declined by > 80% across the Illinois River basin since the…”
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Study on Metal Concentrations in Tissues of Mallard and Pochard from Two Major Wintering Sites in Southeastern Caspian Sea, Iran by Sinka-Karimi, Mohammad Hosein, Pourkhabbaz, Ali Reza, Hassanpour, Mehdi, Levengood, Jeffrey M.

“…We examined concentrations of cadmium, chromium, iron, lead and zinc in the kidney, liver, and pectoral muscle of Mallards ( Anas platyrhynchos ; n = 30) and…”
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Analysis of Toxic and Essential Elements in the Blood and Feathers of Humboldt Penguins (Spheniscus humboldti) at Punta San Juan, Peru by Adkesson, Michael J, Levengood, Jeffrey M, Scott, John W, Schaeffer, David J, Panno, Brent, Langan, Jennifer N, Cárdenas-Alayza, Susana, James-Yi, Sandra

“…Whole blood, serum, and feather samples from 29 Humboldt Penguins (Spheniscus humboldti) at the Punta San Juan Marine Protected Area, Peru, were analyzed for…”
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Polyaromatic hydrocarbons and elements in sediments associated with a suburban railway by Levengood, Jeffrey M., Heske, Edward J., Wilkins, Patrick M., Scott, John W.

“…Railroad operations are a potential source for contamination of aquatic ecosystems. We examined concentrations of polyaromatic hydrocarbons (PAHs) and selected…”
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Polycyclic aromatic hydrocarbons in fish and crayfish from the Calumet region of southwestern Lake Michigan by Levengood, Jeffrey M., Schaeffer, David J.

“…We identified and quantified polyaromatic hydrocarbons (PAHs) in six aquatic taxa from the Calumet region of southwestern Lake Michigan in order to examine…”
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ASSESSMENT OF POLYCHLORINATED BIPHENYLS, ORGANOCHLORINE PESTICIDES, AND POLYBROMINATED DIPHENYL ETHERS IN THE BLOOD OF HUMBOLDT PENGUINS (SPHENISCUS HUMBOLDTI) FROM THE PUNTA SAN JUAN MARINE PROTECTED AREA, PERU by Adkesson, Michael J., Levengood, Jeffrey M., Scott, John W., Schaeffer, David J., Langan, Jennifer N., Cárdenas-Alayza, Susana, de la Puente, Santiago, Majluf, Patricia, Yi, Sandra

“…Persistent organic pollutants were assessed in Humboldt Penguins (Spheniscus humboldti) from the Punta San Juan Marine Protected Area, Peru, in the austral…”
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Associations of intestinal helminth infections with health parameters of spring-migrating female lesser scaup (Aythya affinis) in the upper Midwest, USA by Conner England, J., Levengood, Jeffrey M., Osborn, Josh M., Yetter, Aaron P., Suski, Cory D., Cole, Rebecca A., Hagy, Heath M.

“…Thousands of lesser scaup ( Aythya affinis ) die during spring and fall migrations through the upper Midwest, USA, from infections with Cyathocotyle bushiensis…”
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Influence of a forest preserve on aquatic macroinvertebrates, habitat quality, and water quality in an urban stream by Wilkins, Patrick M, Cao, Yong, Heske, Edward J, Levengood, Jeffrey M

“…The use of nature areas as an effective tool for conservation of streams and their biota is a relatively unexplored option in urban stream management. Benthic…”
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Elements of concern in fillets of bighead and silver carp from the Illinois River, Illinois by Levengood, Jeffrey M., Soucek, David J., Sass, Gregory G., Dickinson, Amy, Epifanio, John M.

“…•Concentrations of total As were below detection limits in most carp fillets.•Mean Hg concentrations in fillets were below the USFDA action level.•Mercury…”
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Heavy metal exposure, reproductive activity, and demographic patterns in white-footed mice ( Peromyscus leucopus) inhabiting a contaminated floodplain wetland by Levengood, Jeffrey M., Heske, Edward J.

“…We examined the concentrations of selected metals and selenium (Se) in the tissues of white-footed mice ( Peromyscus leucopus) collected at a constructed…”
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Monitoring site occupancy for American mink in its native range by Schooley, Robert L., Cotner, Lisa A., Ahlers, Adam A., Heske, Edward J., Levengood, Jeffrey M.

“…American mink (Neovison visori) are secretive, semi-aquatic carnivores that often require noninvasive methods based on field signs such as tracks and scat for…”
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Mercury in small Illinois fishes: historical perspectives and current issues by Levengood, Jeffrey M., Soucek, David J., Taylor, Christopher A., Gay, David A.

“…Documenting long-term trends in mercury deposition and/or accumulation is important in setting regulatory benchmarks, modeling contaminant transfer and flux,…”
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Spatial and interspecific patterns in persistent contaminant loads in bighead and silver carp from the Illinois River by Levengood, Jeffrey M., Soucek, David J., Dickinson, Amy, Sass, Gregory G., Epifanio, John M.

“…We measured concentrations of selected organohalogens, fluorinated compounds and mercury in whole, ground silver ( Hypophthalmichthys molitrix ) and bighead (…”
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Comparison of PCB Congener Profiles in the Embryos and Principal Prey of a Breeding Colony of Black-Crowned Night-Herons by Levengood, Jeffrey M., Schaeffer, David J.

“…We compared polychlorinated biphenyl (PCB) congener profiles of embryos of black-crowned night-herons (Nycticorax nycticorax) nesting in an…”
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