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Pragmatic population viability targets in a rapidly changing world
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by
Matthew Cimitile
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published
Sep 14, 2012
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filed under:
Conservation,
Scientific Publications,
Endangered Species
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.
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Resources
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General Resources Holdings
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Precision Agriculture and Conservation Opportunities: Dr. Mark McConnell
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by
Sage Voorhees
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published
Dec 30, 2020
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last modified
Apr 21, 2023 03:13 PM
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filed under:
Training Resources,
WLFW,
Webinars and Instructional Videos,
Northern Bobwhite Quail,
Conservation,
Video,
Grasslands and Savannas,
Working Lands for Wildlife,
Grasslands National Partnership Meeting
Dr. Mark McConnell presenting at the Working Lands for Wildlife (WLFW): Northern bobwhite, Grasslands and Savannas National Partnership Meeting on February 23, 2021. Mark is an Assistant Professor of Wildlife Ecology and Management at Mississippi State University.
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Training Resources
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Webinars and Instructional Videos
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Working Lands for Wildlife (WLFW): Northern bobwhite, Grasslands and Savannas National Partnership Meeting, Feb 23rd-24th 2021
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Private Land Conservation Programs from the Farm Bill and Other Sources
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by
Matthew Cimitile
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published
Nov 19, 2012
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last modified
Mar 04, 2022 11:16 PM
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filed under:
Conservation,
Events,
Environmental Policy,
Forests
Join us for a discussion of current and future Farm Bill programs administered by the Forest Service, Natural Resource Conservation Service, and Farm Service Agency that support private landowner efforts to protect working forests and conserve open space.
Located in
News & Events
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Events
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Products and Tools for Energy Modelling
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by
Matthew Cimitile
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published
Mar 05, 2015
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last modified
May 17, 2022 02:31 PM
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filed under:
Conservation,
Data and Maps,
Forests
Models of wind, shale gas, and coal development for the entire study area have been created to predict potential future energy development and impacts to natural resources within the Appalachians. Models and data from all development projections populate a web-based mapping tool to help inform regional landscape planning decisions.
Located in
Tools & Resources
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Assessing Future Energy Development
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Protected Areas: Goals, Limitations, and Design
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by
Jessica Rhodes
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published
Aug 12, 2015
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filed under:
Conservation Planning,
Conservation,
Scientific Publications
This reference focuses on the functions, design, and limitations of protected areas and the processes of conservation planning.
Located in
Technical Resources
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…
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Marxan Training Resources
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Marxan Training Suggested Readings
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Quail Forever
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by
Web Editor
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published
Jun 13, 2019
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last modified
Apr 21, 2023 12:40 AM
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filed under:
Partners,
Wildlife,
Foraging,
WLFW,
NGO,
Northern Bobwhite Quail,
Birds,
Conservation,
Quail Forever,
QF,
Grasslands and Savannas,
Working Lands for Wildlife,
Native Grasslands,
Pine Savanna
Quail Forever is dedicated to the conservation of quail, pheasants and other wildlife through habitat improvements, public awareness, education, and land management policies and programs.
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LP Members
/
Organizations Search
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Restoration Effort Moving Forward with Land Acquisitions as Part of $21 Million Palmerton Zinc Natural Resource Damages Settlement
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by
USFWS
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published
May 28, 2013
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filed under:
News,
Land Use,
Conservation,
Environmental Cleanup
State and federal environmental officials announced today that two land purchases have been made to benefit the wildlife, people and landscape of the Kittatinny Ridge.
Located in
News & Events
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Richter, Stephen
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by
admin
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published
Oct 02, 2012
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last modified
Jul 17, 2014 08:59 PM
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filed under:
Wetlands,
Funding,
Land Use,
Forests,
Conservation,
Endangered Species
Population genetics; land-use; amphibian evolutionary ecology; conservation; wetland ecology; management
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Expertise Search
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Ruffed Grouse Society | American Woodcock Society
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by
Web Editor
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published
Jun 30, 2020
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last modified
Apr 16, 2024 03:13 PM
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filed under:
Wildlife,
RGS,
Ruffed Grouse Society,
SE FireMap,
Conservation,
Wildland Fire,
American Woodcock Society
Established in 1961, the Ruffed Grouse Society is North America’s foremost conservation organization dedicated to preserving our sporting traditions by creating healthy forest habitat for ruffed grouse, American woodcock and other wildlife. RGS works with landowners and government agencies to develop critical habitat utilizing scientific management practices.
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LP Members
/
Organizations Search
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Schuette, Scott
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by
admin
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published
Oct 02, 2012
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last modified
Jan 22, 2016 02:27 PM
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filed under:
Environmental change,
Botany,
Bryology,
Climate Adaptation,
Biodiversity loss,
Habitat heterogeneity,
Endangered Species,
Appalachian mountains,
Conservation priority,
Biodiversity,
Conservation,
Conservation value,
Climate Change
Located in
Expertise Search