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Aug 16 -
Warming may help or hurt invasives depending on how they interact with enemies and competitors
“Enemy release” occurs when an invader is less affected by local pathogens, parasites, herbivores, or predators than the native species that evolve with them. Fey et al. (new paper in Ecology) show through a modeling exercise and field experiment that variable temperature sensitivities between sunfish and Daphnia can cause
temperature-dependent enemy release.
Read More: http://www.esajournals.org/doi/abs/10.1890/13-1799.1
Source: Samuel B. Fey, Cristina M. Herren. Temperature-mediated biotic interactions influence enemy release of nonnative species in warming environments. Ecology, 2014; 95 (8): 2246 DOI: 10.1890/13-1799.1
Current climate change assessments omit key community health concerns, which are vital to successful adaptation plans, particularly for Indigenous communities. Descriptive scaling techniques, employed in facilitated workshops with two Indigenous communities, tested the efficacy of ranking six key indicators of community health in relation to projected impacts to shellfish habitat and shoreline archaeological sites stemming from changes in the biophysical environment. Findings demonstrate that: when shellfish habitat and archaeological resources are impacted, so is Indigenous community health; not all community health indicators are equally impacted; and, the community health indicators of highest concern are not necessarily the same indicators most likely to be impacted.
Source: Jamie Donatuto, Eric E. Grossman, John Konovsky, Sarah Grossman & Larry W. Campbell (2014) Indigenous Community Health and Climate Change: Integrating Biophysical and Social Science Indicators, Coastal Management, 42:4, 355-373.
Global Freshwater Crisis
Freshwater systems around the globe are currently experiencing various levels of stress due to human activities such that nearly 80% of the world’s population is currently vulnerable to water scarcity and associated aquatic biodiversity is threatened. Vörösmarty et al. (2010) studied and mapped 23 stressors that threaten water quality and ...
The tropical forests of the Amazon Basin are at risk not only from climate change, but also from interactions between deforestation and alterations in fire regimes. Deforestation in the Brazilian Amazon closely follows road construction due to the inaccessibility and remoteness of Amazon forests. Associated with deforestation is the human use of fire to ...
Sea Level Rise
The Pacific Northwest coast includes a wide diversity of coastal habitats from including bluffs, sandy beaches, coastal marshes, tidal flats and eelgrass beds, supporting myriad species of fish and wildlife as well as local economies and cultural history. These coastal habitat are threatened by various human activities due to continued population ...
MC1 Dynamic Global Vegetation Model
[ MC1 ](http://sequoia.fsl.orst.edu/dgvm/index.html) is a widely used dynamic global vegetation model (DGVM) that has been used to simulate potential vegetation shifts in California and Alaska, all of North America, and over the entire globe under various climate change scenarios. However, past simulations were run at a scale that is too coarse (e.g., 10km x 10km for the