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MAV Forest Breeding-bird DSM [U.S. Fish and Wildlife Service]

Department of the Interior Full Details

Full Details

Title
MAV Forest Breeding-bird DSM [U.S. Fish and Wildlife Service]
Description
FOR non-AGOL ACCOUNT HOLDERS, DOWNLOAD THIS GEOSPATIAL DATA HERE:https://gis-fws.opendata.arcgis.com/search?tags=lmvjvWe developed a spatially explicit decision support model, based on a Partners in Flight plan for forest bird conservation, that prioritizes forest restoration to reduce forest fragmentation and increase the area of forest core (interior forest >250 m from "hostile" edge). Our primary objective was to increase the number of forest patches that harbor >2000 ha of forest core, but we also sought to increase the number and area of forest cores >5000 ha. Concurrently, we targeted restoration within local (320 km2) landscapes to achieve ≥60% forest cover. Finally, we emphasized restoration of higher-elevation bottomland hardwood forests in areas where restoration would not increase forest fragmentation.Forest patches should be of sufficient size to support source populations of targeted bird species, to minimize the likelihood of extirpation, and to ensure a low probability of genetic degradation. The issues that must be resolved in order to select an appropriately‐sized patch of habitat for breeding birds are: 1) context, or how ought breeding birds be buffered from the negative influence of surrounding matrices; 2) desired number of breeding pairs to constitute a source population with a high probability of long‐term viability; and 3) the density at which birds tend to occur within habitat likely to be included in average patches. Area can be conceptually calculated using the formula: A = (N * D) + B where A = Area of forest required to support a source population (ha), N = Desired number of breeding pairs, D = Density of breeding birds (expressed as area / breeding pair), and B = The area (ha) of a 1‐km‐wide forested buffer around the core forest area (N * D).The 2015 Updated was completed by Michael Mitchell (Ducks Unlimited - Southern Regional Office), in cooperation and collaboration with the LMVJV partnership.
Creator
Department of the Interior
Temporal Coverage
Last modified 2024-10-24
Date Issued
2024-10-23
Access Rights
Public
Format
File
Language
English
Date Added
August 28, 2025

Location

Links

Cite and Reference

  • Citation
    Department of the Interior (2024). MAV Forest Breeding-bird DSM [U.S. Fish and Wildlife Service]. . https://gis-fws.opendata.arcgis.com/maps/fws::mav-forest-breeding-bird-dsm-1 (web service)
  • BTAA Geoportal Link

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