Search Results - "Roy, Charlotte L"

Wildlife consumption of neonicotinoid-treated seeds at simulated seed spills by Roy, Charlotte L., Coy, Pamela L.

“…The most likely route of exposure to high concentrations of neonicotinoids capable of producing lethal or sublethal effects in birds and mammals is consumption…”
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Nest and brood survival of Ring-necked Ducks in relation to anthropogenic development and wetland attributes by Roy, Charlotte L.

“…The boreal and hemiboreal forests are facing increasing anthropogenic development in areas that have traditionally been remote and inaccessible. Although these…”
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Sharp-tailed Grouse increase site use after prescribed fire but not mechanical treatments during the fall by Roy, Charlotte, Giudice, John, Shartell, Lindsey

“…In the Great Lakes Region, Sharp-tailed Grouse (Tympanuchus phasianellus) use open habitats of grass and brush that require frequent management. Wildlife…”
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Lek attendance and disturbance at viewing blinds in a small, declining Sharp-tailed Grouse (Tympanuchus phasianellus) population by Roy, Charlotte L., Coy, Pamela L.

“…Conservation agencies use viewing blinds at prairie grouse leks as an outreach tool to engage the public. However, in declining bird populations, disturbance…”
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Spatio-temporal variation in prevalence and intensity of trematodes responsible for waterfowl die-offs in faucet snail-infested waterbodies of Minnesota, USA by Roy, Charlotte L, St-Louis, Véronique

“…Several non-native trematodes hosted by the invasive Eurasian faucet snail, , have been causing die-offs of waterfowl in the Midwestern United States and…”
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High population prevalence of neonicotinoids in sharp-tailed grouse and greater prairie-chickens across an agricultural gradient during spring and fall by Roy, Charlotte L., Chen, Da

“…Neonicotinoids have been detected in many species of wild birds; however, few studies have quantified population-level exposure. We examined population-level…”
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Thinking like a duck: fall lake use and movement patterns of juvenile ring-necked ducks before migration by Roy, Charlotte L, Fieberg, John, Scharenbroich, Christopher, Herwig, Christine M

“…The post-fledging period is one of the least studied portions of the annual cycle in waterfowl. Yet, recruitment into the breeding population requires that…”
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Multi-scale availability of neonicotinoid-treated seed for wildlife in an agricultural landscape during spring planting by Roy, Charlotte L., Coy, Pamela L., Chen, Da, Ponder, Julia, Jankowski, Mark

“…Neonicotinoid pesticides are applied to seeds and are known to cause lethal and sub-lethal effects in birds and mammals. Neonicotinoid-treated seeds could be…”
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Sublethal and Lethal Methods to Detect Recent Imidacloprid Exposure in Birds with Application to Field Studies by Roy, Charlotte L., Jankowski, Mark D., Ponder, Julia, Chen, Da

“…We used domestic chickens (Gallus gallus domesticus) as a model for granivorous birds to identify methods to detect recent imidacloprid exposure in wild birds…”
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Evaluation of neurobehavioral abnormalities and immunotoxicity in response to oral imidacloprid exposure in domestic chickens (Gallus gallus domesticus) by Franzen-Klein, Dana, Jankowski, Mark, Roy, Charlotte L., Nguyen-Phuc, Hoa, Chen, Da, Neuman-Lee, Lorin, Redig, Patrick, Ponder, Julia

“…Domestic chickens (Gallus gallus domesticus) were exposed to imidacloprid by gavage once daily for 7 consecutive days at 0, 0.03, 0.34, 3.42, 10.25, and 15.5…”
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A Demographic Model for Ring-Necked Ducks Breeding in Minnesota by ROY, CHARLOTTE L., BERDEEN, JAMES B., CLARK, MARK

“…Population models can provide insights into how perturbations of demographic vital rates influence population growth rates (λ) and help prioritize efforts to…”
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MULTIPLE PATERNITY AND RELATEDNESS IN SOUTHERN ILLINOIS RACCOONS (PROCYON LOTOR) by Roy Nielsen, Charlotte L., Nielsen, Clayton K.

“…Observing mating behaviors in wild populations is difficult because of the relative infrequency of copulations, nocturnal habits of many species, and possible…”
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Simulating Strategic Implementation of the CRP to Increase Greater Prairie-Chicken Abundance by ADKINS, KALYSTA, ROY, CHARLOTTE L., WRIGHT, ROBERT G., ANDERSEN, DAVID E.

“…The Conservation Reserve Program (CRP) has the potential to influence the distribution and abundance of grasslands in many agricultural landscapes, and thereby…”
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Landscape genetic evaluation of a tallgrass prairie corridor using the Greater Prairie-chicken (Tympanuchus cupido) by Roy, Charlotte L., Gregory, Andrew J.

“…Context We studied current functional connectivity along a developing grassland corridor in the Midwestern U.S. and focused on connectivity for Greater…”
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Landscape-Scale Greater Prairie-Chicken–Habitat Relations and the Conservation Reserve Program by ADKINS, KALYSTA, ROY, CHARLOTTE L., ANDERSEN, DAVID E., WRIGHT, ROBERT G.

“…Both the abundance of greater prairie-chickens (Tympanuchus cupido pinnatus) and the area of grassland enrolled in the Conservation Reserve Program (CRP) in…”
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WEST NILE VIRUS EXPOSURE AND INFECTION AMONG HUNTER-HARVESTED RUFFED GROUSE (BONASA UMBELLUS) COHORTS IN A STABLE POPULATION by Roy, Charlotte L, Carstensen, Michelle, LaSharr, Kelsie, Humpal, Carolin, Dick, Ted, Kunkel, Melanie, Nemeth, Nicole M

“…West Nile virus (WNV) was introduced to North America two decades ago, but for many species, including Ruffed Grouse (Bonasa umbellus), the effects of WNV on…”
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Intraspecific Nest Parasitism of Wood Ducks in Natural Cavities: Comparisons with Nest Boxes by ROY NIELSEN, CHARLOTTE L, GATES, ROBERT J, PARKER, PATRICIA G

“…Wood duck (Aix sponsa) hens are known to lay eggs in nests of other wood ducks. Low levels of intraspecific nest parasitism can increase the number of…”
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Bird‐habitat associations and local‐scale vegetation structure in lowland brushlands by Hawkinson, Annie J., Montgomery, Rebecca A., Roy, Charlotte L., Shartell, Lindsey M., Andersen, David E., Stevens, Thomas K., Knosalla, Lori J., Frelich, Lee E.

“…Brushlands support a diverse suite of bird species, including species of conservation concern in the western Great Lakes region of central North America…”
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Landscape and population genetics reveal long distance sharp-tailed grouse (Tympanuchus phasianellus) movements and a recent bottleneck in Minnesota by Roy, Charlotte L., Gregory, Andrew J.

“…Sharp-tailed grouse ( Tympanuchus phasianellus ) are an area-sensitive species that relies on open landscapes of grass and brush. These areas have become…”
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REDUCED NEST PREDATION OF CAVITY-NESTING WOOD DUCKS DURING FLOODING IN A BOTTOMLAND HARDWOOD FOREST by ROY NIELSEN, CHARLOTTE L, GATES, ROBERT J

“…The importance of flooding to birds that nest in bottomland hardwood forests is poorly understood, in part because floods are difficult to predict. A large…”
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