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Scott Smith: Maryland Department of Natural Resources
by Matthew Cimitile — published Oct 17, 2013 — last modified Feb 15, 2021 04:44 PM — filed under: ,
Wildlife Ecologist Scott Smith talks about the vital importance of the Appalachians for the survival of salamanders, how the LCCs can facilitate issues between jurisdictions, and help different agencies prioritize conservation efforts.
Located in Our Community / Voices from the Community
Kimberly Terrell: Smithsonian Conservation Biology Institute
by Web Editor — published Sep 13, 2013 — last modified Feb 17, 2021 06:22 PM — filed under: , ,
Kimberly Terrell describes her work studying the biological constraints of salamanders to adjust to climate change and how the regional nature of the LCC can ensure efficiencies for conservation efforts as well as bring managers and researchers together to work towards common conservation goals.
Located in Our Community / Voices from the Community
North American Migratory Bird Joint Ventures: 25 Years
by Joint Venture Communication, Education, and Outreach Team — published Sep 30, 2012 — last modified Dec 20, 2012 12:42 PM — filed under: , ,
Migratory Bird Joint Ventures are cooperative, regional partnerships that work to conserve habitat for the benefit of birds, other wildlife, and people.
Located in Resources / General Resources Holdings
File C++ source code Appendix 2a. Recovery Plans for Federally Listed Species within the AppLCC
by Bridgett Costanzo — published Oct 01, 2012 — last modified Oct 01, 2012 03:45 PM — filed under:
A list of ESA Recovery Plans published for listed species within the AppLCC.
Located in Resources / General Resources Holdings / AppLCC Development and Operations Planning
File Appendix 2b. Federally Listed Species and National Leads
by Bridgett Costanzo — published Oct 11, 2012 — filed under:
ESA listed species and the lead USFWS office for each that occurs within AppLCC
Located in Resources / General Resources Holdings / AppLCC Development and Operations Planning
File D source code Pragmatic population viability targets in a rapidly changing world
by Matthew Cimitile — published Sep 14, 2012 — filed under: , ,
To ensure both long-term persistence and evolutionary potential, the required number of individuals in a population often greatly exceeds the targets proposed by conservation management. We critically review minimum population size requirements for species based on empirical and theoretical estimates made over the past few decades. This literature collectively shows that thousands (not hundreds) of individuals are required for a population to have an acceptable probability of riding-out environmental fluctuation and catastrophic events, and ensuring the continuation of evolutionary processes. The evidence is clear, yet conservation policy does not appear to reflect these findings, with pragmatic concerns on feasibility over-riding biological risk assessment. As such, we argue that conservation biology faces a dilemma akin to those working on the physical basis of climate change, where scientific recommendations on carbon emission reductions are compromised by policy makers. There is no obvious resolution other than a more explicit acceptance of the trade-offs implied when population viability requirements are ignored. We rec- ommend that conservation planners include demographic and genetic thresholds in their assessments, and recognise implicit triage where these are not met.
Located in Resources / General Resources Holdings
File Octet Stream Stream channel geomorphology influences mussel abundance in southern Appalachian streams, U.S.A.
by Matthew Cimitile — published Sep 14, 2012 — filed under: , , ,
We quantified freshwater mussel abundance and species richness and their physical habitat at 24 sites in eight streams in southern Appalachian catchments in 2000 and 2001. In addition, we modelled site-specific hydraulic parameters during summer baseflow and bankfull stages to estimate high- and low-discharge conditions, respectively. Mussel abundance was related to stream geomorphology, whereas richness was related to stream size. Baseflow habitat parameters explained only minor variation in abundance or richness, and both measures were highly correlated with mean current velocity or stream size. Bankfull shear stress composed a relatively low proportion of overall mussel habitat variability, but it accounted for significant variation in abundance and richness. Mussel abundance was highly variable at sites subject to low-shear stress during spates, whereas abundance always was low at sites subject to high-shear stress. These data suggest that habitat conditions during floods, rather than those at summer baseflow, limit the abundance of mussels in Appalachian streams. These data also suggest that mussel abundance and assemblage structure may be sensitive to any changes in channel geomorphology and hydraulic conditions that might result from land use in the catchment.
Located in Resources / General Resources Holdings
File Plain Text Freshwater Mussels of the Powell River, Virginia and Tennessee: Abundance and Distribution in a Biodiversity Hotspot
by Matthew S. Johnson, William F. Henley, Richard J. Neves, Jess W. Jones, Robert S. Butler, Shane D. Hanlon — published Dec 07, 2012 — last modified Dec 07, 2012 03:53 PM — filed under: , , , , ,
Historically, the Powell River had a diverse freshwater mussel fauna of 46 species. Various surveys conducted over the past century have recorded a decline in mussel densities and diversity throughout much of the river, due to historical and on-going anthropogenic impacts. In 2008 and 2009, random timed-search, systematic search, and quadrat sampling of 21 sites were completed to document species richness, relative abundance, density, and size-class structure of resident mussel populations. We recorded 19 species from 18 sites, including 5 endangered species during quadrat sampling efforts. he mussel fauna of the lower Powell River continues to represent one of the most diverse in the United States. Outside of the Powell River, only 2 or 3 populations remain for most of the listed species extant in the river. Given these qualities, the Powell River deserves recognition as a location for focused conservation efforts to protect its diverse mussel assemblage.
Located in Resources / General Resources Holdings
File Ohio River Basin FHP Overview and Strategy
by Matthew Cimitile — published Feb 18, 2013 — filed under: , , , , ,
This presentation provides a general overview of the ORBFHP. It includes information on the regional partnership's mission, the region in which they are targeting their conservation work, the types of rivers and streams they are focusing on, and the strategies they are using to combat threats to the Basin.
Located in Resources / General Resources Holdings / ORBFHP
Video Troff document WLFW Pollinator Conservation Series: Session #5 SWAP & Listed Species in the Southeast
by Celia Vuocolo — published Aug 14, 2023 — last modified Aug 14, 2023 11:50 AM — filed under: , , ,
Session 5 of WLFW Pollinator Conservation Webinar series, presented by Celia Vuocolo, WLFW Pollinator Coordinator-East with Quail Forever & USDA-NRCS. Topics covered include an overview of a selection of State Wildlife Action Plan SGCNs and federal/state listed pollinator species. Conservation planning strategies for planners and biologists.
Located in Resources / Upload New Resources