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South Atlantic Third Thursday Web Forum
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Join us on Thursday for a presentation by Mark Anderson and Melissa Clark of TNC's Center for Resilient Conservation Science Team.
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Diverse Connections for Diverse Watersheds
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Save the Date: 8th Annual Tennessee River Basin Network Conference.
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SE CASC Science Seminar on Research for Adaptation Planning at Gulf Islands National Seashore
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Join us for our Spring 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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SE CASC Science Seminar on Forecasting Conservation Strategies’ Influence on Landscape Connectivity
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Join us for our Spring 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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Southeast Climate Adaptation Science Symposium September 19-21, 2022
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Join the Southeast CASC in Gulf Shores, Alabama for the 2022 Southeast Climate Adaptation Science Symposium.
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Registration Open | TRBN Annual Conference | August 24-25, Knoxville TN
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CONNECT and NETWORK with your peers working to safeguard the Tennessee River Basin's aquatic and human life!
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Science Seminar Series - Patch Metrics, Wild Brook Trout, and the Chesapeake Bay
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The wild brook trout resource in the Chesapeake Bay has been significantly reduced over the last 150 years and faces ongoing and future threats from climate change, land use changes, invasive species and loss of genetic integrity (Hudy et al. 2008). Monitoring both short and long term trends on individual brook trout (Salvelinus fontinalis) populations and the resource as a whole are important needs of managers. Past assessments on the 1,443 subwatersheds in the Chesapeake Bay found that 226 had healthy brook trout (intact); 542 had reduced populations and 290 were extirpated (Hudy et al. 2008). However, the subwatershed scale assessment was not fine scale enough to efficiently monitor trends on the ground of interest to many mangers. Standard population estimates using mark-recapture and depletion removal estimates are also not viable for large scale monitoring because of expense, inability to detect trend (i.e. large coefficient in variation), and problems expanding the sample to the entire population. However, fine scale occupancy data (at the catchment level) exist for the majority of the brook trout resource in the Chesapeake Bay. Currently (not counting New York, not completed yet), there are 3,003 catchments containing allopatric brook trout populations; 1,716 catchments containing sympatric populations (with brown or rainbow trout); and 1,966 catchments containing only exotic trout species. We used this fine scale catchment data to identify unique patches of brook trout. We define a "patch" as a group of contiguous catchments occupied by wild brook trout. Patches are not connected physically (separated by a dam, unoccupied warm water habitat, downstream invasive species, etc) and are generally assumed to be genetically isolated. In the Chesapeake Bay there are 868 patches of brook trout habitat with an average patch size of 2,800 ha.
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News from the South Atlantic Blueprint-November 2019 Newsletter
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News from the South Atlantic Blueprint November 2019 Newsletter
Southeast Blueprint 4.0 finalized by Rua Mordecai, Coordinator, Southeast
and South Atlantic Conservation Blueprints.
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News from the South Atlantic Blueprint-December 2019 Newsletter
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South Atlantic indicator improvements, winter web forum schedule, resilient coastal sites data, and more.
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South Atlantic Blueprint February 2019 newsletter
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New habitat suitability maps for at-risk herps in longleaf, short videos on Piedmont prairies available
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