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KGS/Fort Novosel
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In support of Fort Novosel’s Natural Resources Program, KGS/Trinity assisted with invasive species management, forest management inventories, timber marking, and prescribed burns and also incorporated wildlife, flora/fauna, and aquatic species survey data into geodatabases and map overlays.
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Southeast Climate Adaptation Science Center-Science Seminar – Southeast Regional Invasive Species and Climate Change
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Join us for our Fall/Winter virtual science seminar series highlighting SE CASC funded projects supporting resource management actions across the Southeast. Each month a SE CASC researcher will provide an overview of their work and the management implications of their research findings.
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Effects of Habitat Alterations on Bog Turtles (Glyptemys muhlenbergii): A Comparison of Two Populations
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This study compared Bog Turtle population demography and habitat use from 1994 to 2009 at two sites in Massachusetts, USA: one site was managed for nonnative invasive species and natural succession (Site 1), and the other site was flooded from American Beaver (Castor canadensis) activity resulting in an expansion of nonnative invasive plants (Site 2).
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Magee, John
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Recovery: Farm Bill Provides Hope for the Cerulean Warbler
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With funding from the Natural Resources Conservation Service (NRCS) available from the Farm Bill’s Regional Conservation Partnership Program the Appalachian Mountains Joint Venture (a partnership of state and federal agencies and NGOs including The Nature Conservancy) is helping private land owners restore cerulean habitat.
Check out the original article at the Nature Conservancy's Cool Green Science blog:
https://blog.nature.org/science/2017/08/15/recovery-farm-bill-provides-hope-for-the-cerulean-warbler/
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Survey: Controlled Invasive Plants on Property
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As you know, the Blue Ridge PRISM seeks to expand the control of invasive plant species in our ten-county region.
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Blue Ridge PRISM Update
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An update on the Partnership for Regional Invasive Species Management and information on a series of sessions around our 10-county area, which partners are welcome to attend.
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USGS Study Reveals Interactive Effects of Climate Change, Invasive Species on Native Fish
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A new USGS study shows non-native Brown Trout can place a burden on native Brook Trout under the increased water temperatures climate change can cause.
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Climate change and the invasion of California by grasses
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Over the next century, changes in the global climate are expected to have major consequences for plant communities, possibly including the exacerbation of species invasions. We evaluated this possibility in the grass flora of California, which is economically and ecologically important and heavily invaded. We used a novel, trait-based approach involving two components: identifying differences in trait composition between native and exotic components of the grass flora and evaluating contemporary trait–climate relationships across the state. The combination of trait–climate relationships and trait differences between groups allows us to predict changes in the exotic-native balance under climate change scenarios. Exotic species are more likely to be annual, taller, with larger leaves, larger seeds, higher specific leaf area, and higher leaf N percentage than native species. Across the state, all these traits are associated with regions with higher temperature. Therefore, we predict that increasing temperatures will favor trait states that tend to be possessed by exotic species, increasing the dominance of exotic species. This prediction is corroborated by the current distribution of exotic species richness relative to native richness in California; warmer areas contain higher proportions of exotic species. This pattern was very well captured by a simple model that predicts invasion severity given only the trait–climate relationship for native species and trait differences between native and exotic species. This study provides some of the first evidence for an important interaction between climate change and species invasions across very broad geographic and taxonomic scales.
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Climate Change, Aboveground-Belowground Interactions, and Species’ Range Shifts
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Changes in climate, land use, fire incidence, and ecological connections all may contribute to current species’ range shifts. Species shift range individually, and not all species shift range at the same time and rate. This variation causes community reorganization in both the old and new ranges. In terrestrial ecosystems, range shifts alter aboveground-belowground interactions, influencing species abundance, community composition, ecosystem processes and services, and feedbacks within communities and ecosystems. Thus, range shifts may result in no-analog communities where foundation species and community genetics play unprecedented roles, possibly leading to novel ecosystems. Long-distance dispersal can enhance the disruption of aboveground-belowground interactions of plants, herbivores, pathogens, symbiotic mutualists, and decomposer organisms. These effects are most likely stronger for latitudinal than for altitudinal range shifts. Disrupted aboveground-belowground interactions may have influenced historical postglacial range shifts as well. Assisted migration without considering aboveground-belowground interactions could enhance risks of such range shift–induced invasions.
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