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Folders: ROOT > ScienceBase Catalog > National and Regional Climate Adaptation Science Centers > Midwest CASC > FY 2020 Projects ( Show direct descendants )

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Global concern of an “insect apocalypse” is fueling demand for large-scale, long-term studies of insect population dynamics. Butterflies associated with open habitat, like prairies and grasslands, have long been identified as species of concern in the Midwest. The iconic monarch butterfly, which serves as a flagship for both migration and insect conservation, is one such species of conservation concern and is currently under consideration for federal listing under the Endangered Species Act. Recent analyses suggest that common, widespread species may also be declining. Yet robust evidence for general declines is patchy and the causes are difficult to discern. Understanding the relative importance of climate, land...
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Under shifting temperatures and precipitation patterns, Midwestern states are increasingly at risk from non-native invasive plants that are changing the composition, structure, and function of native forests. Non-native invasive plants impact the resilience and sustainability of forest communities by outcompeting native tree seedlings and diverse flowering plants, and by altering ecologically important patterns of natural processes like fire, wind, drought, and flooding. Land managers facing this threat are having to not only consider current non-native invasive plants within their landscapes but also future impacts with the expansion of these plants northward and westward under a changing climate, especially as...
Climate change is altering the thermal habitats of freshwater fish species. We analyze modeled daily temperature profiles from 12,688 lakes in the US to track changes in thermal habitat of 60 lake fish species from different thermal guilds during 1980-2021. We quantify changes in each species’ preferred days, defined as the number of days per year when a lake contains the species’ preferred temperature. We find that cooler-water species are losing preferred days more rapidly than warmer-water species are gaining them. This asymmetric impact cannot be attributed to differences in geographic distribution among species; instead, it is linked to the seasonal dynamics of lake temperatures and increased thermal homogenization...
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    map background search result map search result map Modeling the Interaction of Forest Management and Climate Change on the Spread and Impact of Non-Native Invasive Plants Evaluating the Role of Climate on Midwestern Butterfly Trajectories, Monarch Declines, and the Broader “Insect Apocalypse” Modeling the Interaction of Forest Management and Climate Change on the Spread and Impact of Non-Native Invasive Plants Evaluating the Role of Climate on Midwestern Butterfly Trajectories, Monarch Declines, and the Broader “Insect Apocalypse”