Search Results - "Lawler, Sharon P"

Environmentally relevant concentrations of herbicides impact non-target species at multiple sublethal endpoints by Hasenbein, Simone, Peralta, Jade, Lawler, Sharon P., Connon, Richard E.

“…There is concern over herbicide exposure effects on aquatic primary production and zooplankton as herbicides are found in aquatic ecosystems at concentrations…”
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Nonnative trout impact an alpine-nesting bird by altering aquatic-insect subsidies by Epanchin, Peter N., Knapp, Roland A., Lawler, Sharon P.

“…Adjacent food webs may be linked by cross-boundary subsidies: more-productive donor systems can subsidize consumers in less-productive neighboring recipient…”
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Agricultural surface water, imidacloprid, and chlorantraniliprole result in altered gene expression and receptor activation in Pimephales promelas by Stinson, Sarah A., Hasenbein, Simone, Connon, Richard E., Deng, Xin, Alejo, Jordan S., Lawler, Sharon P., Holland, Erika B.

“…The toxicity of single pesticides is likely underestimated when considering complex pesticide mixtures found in agricultural runoff and this is especially true…”
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Swimming Behavior of Daphnia magna Is Altered by Pesticides of Concern, as Components of Agricultural Surface Water and in Acute Exposures by Egan, Nicole, Stinson, Sarah A, Deng, Xin, Lawler, Sharon P, Connon, Richard E

“…Pesticides with novel modes of action including neonicotinoids and anthranilic diamides are increasingly detected in global surface waters. Little is known…”
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Environmental safety review of methoprene and bacterially-derived pesticides commonly used for sustained mosquito control by Lawler, Sharon P.

“…Some pesticides are applied directly to aquatic systems to reduce numbers of mosquito larvae (larvicides) and thereby reduce transmission of pathogens that…”
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Untangling multi‐scale habitat relationships of an endangered frog in streams to inform reintroduction programs by Brown, Cathy, Nowakowski, A. Justin, Keung, Neil C., Lawler, Sharon P., Todd, Brian D.

“…Successful reintroductions of endangered species rely on comprehensive knowledge of habitat requirements across spatial and temporal scales. To inform designs…”
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Copper Exposure Affects Anti-Predatory Behaviour and Acetylcholinesterase Levels in Culex pipiens (Diptera, Culicidae) by Amer, Nermeen R, Lawler, Sharon P, Zohdy, Nawal M, Younes, Aly, ElSayed, Wael M, Wos, Guillaume, Abdelrazek, Samah, Omer, Hind, Connon, Richard E

“…Copper is an essential metal that occurs chronically in the environment and affects the development and physiology of aquatic insects. In excess amounts, it…”
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Changing climate and reorganized species interactions modify community responses to climate variability by Wang, Junna, Grimm, Nancy B, Lawler, Sharon P, Dong, Xiaoli

“…While an array of ecological mechanisms has been shown to stabilize natural community dynamics, how the effectiveness of these mechanisms-including both their…”
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Effects of Introduced Mosquitofish and Bullfrogs on the Threatened California Red-Legged Frog by Lawler, Sharon P., Dritz, Deborah, Strange, Terry, Holyoak, Marcel

“…Exotic species have frequently caused declines of native fauna and may contribute to some cases of amphibian decline. Introductions of mosquitofish (Gambusia…”
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long‐term assessment of pesticide mixture effects on aquatic invertebrate communities by Hasenbein, Simone, Lawler, Sharon P., Geist, Juergen, Connon, Richard E.

“…To understand the potential effects of pesticide mixtures on aquatic ecosystems, studies that incorporate increased ecological relevance are crucial. Using…”
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Evidence of indirect impacts of introduced trout on native amphibians via facilitation of a shared predator by Pope, Karen L., Garwood, Justin M., Welsh, Hartwell H., Lawler, Sharon P.

“…Hyperpredation occurs when non-native prey facilitate invasive predators, which then suppress native prey. Direct impacts of introduced fish on amphibians are…”
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Declining biodiversity can alter the performance of ecosystems by Naeem, Shahid, Thompson, Lindsey J, Lawler, Sharon P, Lawton, John H, Woodfin, Richard M

“…Using multi-trophic level communities and simultaneous measures of several ecosystem processes, is it shown that reduced biodiversity may alter the performance…”
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An assessment of direct and indirect effects of two herbicides on aquatic communities by Hasenbein, Simone, Lawler, Sharon P., Connon, Richard E.

“…Herbicides are often detected in watersheds at concentrations that are toxic to phytoplankton, potentially causing indirect effects on higher trophic…”
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Effects of an alien fish, Gambusia affinis, on an endemic California fairy shrimp, Linderiella occidentalis: implications for conservation of diversity in fishless waters by Leyse, Karen E., Lawler, Sharon P., Strange, Terry

“…The introduction of exotic fishes to naturally fishless waters is often associated with declines in species native to those waters. Mosquitofish, Gambusia…”
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Greater Species Richness of Bacterial Skin Symbionts Better Suppresses the Amphibian Fungal Pathogen Batrachochytrium Dendrobatidis by Piovia-Scott, Jonah, Rejmanek, Daniel, Woodhams, Douglas C., Worth, S. Joy, Kenny, Heather, McKenzie, Valerie, Lawler, Sharon P., Foley, Janet E.

“…The symbiotic microbes that grow in and on many organisms can play important roles in protecting their hosts from pathogen infection. While species diversity…”
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use of growth and behavioral endpoints to assess the effects of pesticide mixtures upon aquatic organisms by Hasenbein, Simone, Lawler, Sharon P, Geist, Juergen, Connon, Richard E

“…Aquatic communities are often subject to complex contaminant mixtures, usually at sublethal concentrations, that can cause long-term detrimental effects…”
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Forbs from seasonal managed wetlands boost plankton production more than emergent graminoids by supplying novel labile detritus by Phillips, Kyle A., Tung, Alice M., McConnell, Rachel M., O’Rear, Teejay A., Rejmánková, Eliška, Lawler, Sharon P., Durand, John R.

“…Abstract Opportunities to enhance ecosystem functions exist in human‐dominated working landscapes, but understanding of key drivers is often lacking in these…”
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Herbicide treatment alters the effects of water hyacinth on larval mosquito abundance by Portilla, Maribel A, Lawler, Sharon P

“…Invasive aquatic weeds are managed with herbicides to reduce their negative impacts on waterways in many areas, including the California Delta Region…”
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A comparison of the sublethal and lethal toxicity of four pesticides in Hyalella azteca and Chironomus dilutus by Hasenbein, Simone, Connon, Richard E., Lawler, Sharon P., Geist, Juergen

“…Laboratory toxicity testing is the primary tool used for surface water environmental risk assessment; however, there are critical information gaps regarding…”
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Empirical Evidence that Declining Species Diversity May Alter the Performance of Terrestrial Ecosystems by Naeem, Shahid, Naeem, Shahid, Thompson, Lindsey J., Lawler, Sharon P., Lawton, John Hartley, Woodfin, Richard M.

“…We examined experimentally the association between species diversity and ecosystem processes in a series of terrestrial mesocosms. We developed and maintained…”
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