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Summary of Q3 2013 TOT Review
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Review from Technical Oversight Team of 3rd Quarter Report
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Quarterly Reports Folder
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Q3 2013
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Swanston et al. 2011_ecosystem vulnerability climate change.pdf
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LP Members
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Project Documents
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Literature
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Synthesis of climate model downscaling products for the southeastern United States
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Downscaling translates large-scale climate information to the local scale. There are several techniques for handling this process; recently, several downscaled climate products have been produced by government and academic researchers. Ecologists, conservation scientists, and practitioners require such local guidance to evaluate adaptation and conservation strategies. However, the large number of methods involved, different downscaling approaches, resolutions, time periods, and focal variables limits the ability of these users to form meaningful conclusions and evaluate the results of adaptation strategies. To address these issues, this project will summarize the methods used for downscaling, identify the metrics most appropriate for evaluation of climate model skill and usability for the ecological and conservation communities in the southeastern US, and begin a longer-term effort to evaluate the range of downscaled climate products over this geographic region.
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Research
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Taking Action to Resist, Accept, or Direct Change: How Wildlife Managers Can Thrive in an Uncertain Future (Webinar)
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The mission of the USFWS is to conserve fish, wildlife and their habitats. But how can wildlife managers proceed when faced with biodiversity declines, extinction crises, and accelerating climate change where traditional approaches may no longer be effective?
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Events
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Tang&Beckage.2010.forest distribution climate change.pdf
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Literature
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Technical Mitigation Options in Forests
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Dr. Richard A. Birdsey, a Senior Scientist with the Woodwell Climate Research Center, discusses the forest carbon cycle, the role of U.S. forests in mitigating climate change and helping the U.S. meet its 2050 net zero greenhouse gas emissions goal, and how conditions in the future may impact this critical carbon sink.
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News and Webinars
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Webinars
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Temporal dynamics of a commensal network of cavity-nesting vertebrates: increased diversity during an insect outbreak
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Network analysis offers insight into the structure and function of ecological
communities, but little is known about how empirical networks change over time during
perturbations. ‘‘Nest webs’’ are commensal networks that link secondary cavity-nesting
vertebrates (e.g., bluebirds, ducks, and squirrels, which depend on tree cavities for nesting)
with the excavators (e.g., woodpeckers) that produce cavities. In central British Columbia,
Canada, Northern Flicker (Colaptes auratus) is considered a keystone excavator, providing
most cavities for secondary cavity-nesters. However, roles of species in the network, and
overall network architecture, are expected to vary with population fluctuations. Many
excavator species increased in abundance in association with a pulse of food (adult and larval
beetles) during an outbreak of mountain pine beetle (Dendroctonus ponderosae), which peaked
in 2003–2004. We studied nest-web dynamics from 1998 to 2011 to determine how network
architecture changed during this resource pulse.Cavity availability increased at the onset of the beetle outbreak and peaked in 2005. During and after the outbreak, secondary cavity-nesters increased their use of cavities made by five species of beetle-eating excavators, and decreased their use of flicker cavities. We found low link turnover, with 74% of links conserved from year to year. Nevertheless, the network
increased in evenness and diversity of interactions, and declined slightly in nestedness and
niche overlap. These patterns remained evident seven years after the beetle outbreak,
suggesting a legacy effect. In contrast to previous snapshot studies of nest webs, our dynamic approach reveals how the role of each cavity producer, and thus quantitative network architecture, can vary over
time. The increase in interaction diversity with the beetle outbreak adds to growing evidence
that insect outbreaks can increase components of biodiversity in forest ecosystems at various
temporal scales. The observed changes in (quantitative) network architecture contrast with the
relatively stable (qualitative) architecture of empirical mutualistic networks that have been
studied to date. However, they are consistent with recent theory on the importance of
population fluctuations in driving network architecture. Our results support the view that
models should allow for the possibility of rewiring (species switching partners) to avoid
overestimation of secondary extinction risk.
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Resources
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Climate Science Documents
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The Adaptation Workbook - Building Your Climate Adaptation Plan
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A collaboration between the Climate Learning Network and the Climate Science Initiative, this webinar provides an overview of the Adaptation Workbook, an online, interactive, and practical workbook that helps land managers develop their own custom built climate change adaptation plans (www.adaptationworkbook.org).
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Training
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Videos and Webinars
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The Adaptation Workbook - Building Your Climate Adaptation Plan
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A collaboration between the Climate Learning Network and the Climate Science Initiative, this webinar provides an overview of the Adaptation Workbook, an online, interactive, and practical workbook that helps land managers develop their own custom built climate change adaptation plans (www.adaptationworkbook.org).
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Events
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The Audubon Climate Change Report at a Glance
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A new Climate Change report by Audubon is a comprehensive, first-of-its kind study that predicts how climate change could affect the ranges of 588 North American birds.
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