Search Results - "Amy C. Krist"

No evidence for a dilution effect of the non-native snail, Potamopyrgus antipodarum, on native snails by Larson, Michele D, Levri, Edward P, Huzurbazar, Snehalata V, Greenwood, Daniel J, Wise, Kara L, Krist, Amy C

“…The dilution effect can occur by a range of mechanisms and results in reduced parasite prevalence in host taxa. In invaded ecosystems, the dilution effect can…”
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Phenotypic plasticity of the introduced New Zealand mud snail, Potamopyrgus antipodarum, compared to sympatric native snails by Levri, Edward P, Krist, Amy C, Bilka, Rachel, Dybdahl, Mark F

“…Phenotypic plasticity is likely to be important in determining the invasive potential of a species, especially if invasive species show greater plasticity or…”
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Response to phosphorus limitation varies among lake populations of the freshwater snail Potamopyrgus antipodarum by Krist, Amy C, Kay, Adam D, Larkin, Katelyn, Neiman, Maurine

“…Local adaptation--typically recognized as higher values of fitness-related traits for native vs. non-native individuals when measured in the native…”
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Resource quantity and quality differentially control stream invertebrate biodiversity across spatial scales by Tumolo, Benjamin B, Collins, Sarah M, Guan, Yawen, Krist, Amy C

“…Resource quantity controls biodiversity across spatial scales; however, the importance of resource quality to cross-scale patterns in species richness has…”
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Field surveys reveal physicochemical conditions promoting occurrence and high abundance of an invasive freshwater snail (Potamopyrgus antipodarum) by Larson, Michele D., Greenwood, Daniel, Flanigan, Kara, Krist, Amy C.

“…Environmental conditions promoting the occurrence and high abundance of non-native taxa are linked to critical stages of species invasions: establishment,…”
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Environmental filtering governs consistent vertical zonation in sedimentary microbial communities across disconnected mountain lakes by Von Eggers, Jordan M., Wisnoski, Nathan I., Calder, John W., Capo, Eric, Groff, Dulcinea V., Krist, Amy C., Shuman, Bryan

“…Subsurface microorganisms make up the majority of Earth's microbial biomass, but ecological processes governing surface communities may not explain community…”
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Trematode prevalence and an invasive freshwater snail: fewer infections and parasites likely contribute to the success of an invasive snail by Larson, Michele D., Krist, Amy C.

“…The enemy release hypothesis postulates that non-native species establish and become abundant because coevolved enemies from the native range are missing or…”
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Novel environments induce variability in fitness‐related traits by Balph, Arielle W., Krist, Amy C.

“…Environmental change from anthropogenic activities threatens individual organisms, the persistence of populations, and entire species. Rapid environmental…”
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Invasive Potamopyrgus antipodarum (New Zealand mud snails) and native snails differ in sensitivity to specific electrical conductivity and cations by Larson, Michele D., Dewey, Janet C., Krist, Amy C.

“…When species are introduced to novel environments, abiotic conditions must be suitable for species to become invasive. For example, water chemistry must be…”
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Improving estimates of richness, habitat associations, and assemblage characteristics of freshwater gastropods by Narr, Charlotte F., Krist, Amy C.

“…Freshwater gastropods are imperilled globally and are among North America's most vulnerable major animal groups. Habitat loss, invasive species, and inadequate…”
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Parallel shifts in trout feeding morphology suggest rapid adaptation to alpine lake environments by Combrink, Lucia L, Rosenthal, William C, Boyle, Lindsey J, Rick, Jessica A, Mandeville, Elizabeth G, Krist, Amy C, Walters, Annika W, Wagner, Catherine E

“…Eco-evolutionary interactions following ecosystem change provide critical insight into the ability of organisms to adapt to shifting resource landscapes. Here…”
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SENSITIVITY TO PHOSPHORUS LIMITATION INCREASES WITH PLOIDY LEVEL IN A NEW ZEALAND SNAIL by Neiman, Maurine, Kay, Adam D., Krist, Amy C.

“…Evolutionary and ecological factors that explain natural variation in ploidy level remain poorly understood. One intriguing possibility is that nutrient costs…”
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A precipitous decline in an invasive snail population cannot be explained by a native predator by Greenwood, Daniel J., Hall, Robert O., Tibbets, Teresa M., Krist, Amy C.

“…Population dynamics of invasive species can exhibit rapid population growth followed by rapid decline. Populations of Potamopyrgus antipodarum , an invasive…”
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Phosphorus availability in the source population influences response to dietary phosphorus quantity in a New Zealand freshwater snail by Krist, Amy C., Bankers, Laura, Larkin, Katelyn, Larson, Michele D., Greenwood, Daniel J., Dyck, Marissa A., Neiman, Maurine

“…We investigated whether previously documented variation among populations in availability of dietary phosphorus (P) is linked to heterogeneity in growth rate…”
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The invasive New Zealand mudsnail, Potamopyrgus antipodarum, is an effective grazer of algae and altered the assemblage of diatoms more than native grazers by Krist, Amy C., Charles, Caroline C.

“…Exploitation of shared resources often mediates the impacts of invasive species on native species. In a field experiment, we compared the ability to graze…”
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Foraging differences between the native snail, Fossaria sp. and the invasive New Zealand mudsnail (Potamopyrgus antipodarum) in response to phosphorus limitation by Hansen, Brenda K., Krist, Amy C., Tibbets, Teresa M.

“…Animals require food adequate in quantity and quality to grow and reproduce. Therefore, environments limited in key nutrients may promote competitive…”
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Phosphorus-mediated changes in life history traits of the invasive New Zealand mudsnail (Potamopyrgus antipodarum) by Tibbets, Teresa M., Krist, Amy C., Hall, Robert O., Riley, Leslie A.

“…Understanding the mechanisms that species use to succeed in new environments is vital to predicting the extent of invasive species impacts. Food quality is…”
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Evidence for extensive but variable nutrient limitation in New Zealand lakes by Krist, Amy C., Kay, Adam D., Scherber, Elizabeth, Larkin, Katelyn, Brown, Bennett J., Lu, Diana, Warren, Donald T., Riedl, Ruth, Neiman, Maurine

“…Nutrient limitation causes reduced growth of organisms, which can translate into far-reaching consequences for populations, communities, and ecosystems…”
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EFFECT OF THE DIGENEAN PARASITE PROTEROMETRA MACROSTOMA ON HOST MORPHOLOGY IN THE FRESHWATER SNAIL ELIMIA LIVESCENS by Krist, Amy C

“…Parasitism can affect size in gastropods by altering the host's growth rate, but other morphological effects of parasitism have rarely been examined. In this…”
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Experimental exposure of juvenile snails (Potamopyrgus antipodarum) to infection by trematode larvae (Microphallus sp.): infectivity, fecundity compensation and growth by Krist, A.C, Lively, C.M

“…Host-parasite interactions that result in host castration are evolutionarily similar to predator-prey interactions because both interactions terminate…”
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