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MAV forestcore - areas greater than 5000ac [U.S. Fish and Wildlife Service] {2021}

{'name': 'Department of the Interior'} · 2021 Full Details

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Title
MAV forestcore - areas greater than 5000ac [U.S. Fish and Wildlife Service] {2021}
Description
FOR non-AGOL ACCOUNT HOLDERS, DOWNLOAD THIS GEOSPATIAL DATA HERE:https://gis-fws.opendata.arcgis.com/search?tags=lmvjvCore Forest Patches -- Core forests are interior patches of forest buffered from edge effects of predation, cowbird parasitism and other anthropogenic deleterious effects and, thus, are beneficial areas for forest bird breeding success. The Lower Mississippi Valley Joint Venture (LMVJV) created the Core Forest Patch layer from a 2021 Forest Cover assessment for the Mississippi Alluvial Valley (also developed by the LMVJV) to determine the amount of bottomland hardwood forest and the number of quality core patches available to forest breeding-birds of the MAV.The LMVJV's Forest Breeding-bird Decision Support Model for Reforestation seeksto reduce forest fragmentation and increase the area of forest core (interior forest >250 m from "hostile" edge). Our primary objective is 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.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).
Creator
{'name': 'Department of the Interior'}
Temporal Coverage
2021
Date Issued
2023-06-29
Rights
This spatial data layer is intended for use by our partners in conservation planning. Permitted uses include conservation planning, research analysis, and educational purposes. Partners may incorporate the data into their own mapping and analysis tools, provided they acknowledge the source. The data must not be used for commercial purposes or redistributed to third parties without explicit permission. Alteration of the data is allowed only for the purposes of conservation planning and should not misrepresent the original dataset. The data contained herein were developed solely for regional conservation planning purposes. All data are assumed correct and accurate at time of creation. Any use of data is done so at the risk and responsibility of the user and the creator bears no liability for its misuse or misinterpretation. Proper credit and citation should be given with any use, display, distribution or inclusion of this data with any other data set and the Lower Mississippi Valley Joint Venture should be given full credit as the principal source of the data. Contact the LMVJV for more information - www.lmvjv.org.
Access Rights
Public
Format
Shapefile
Language
English
Date Added
September 19, 2024

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Cite and Reference

  • Citation
    {'name': 'Department of the Interior'} (2023). MAV forestcore - areas greater than 5000ac [U.S. Fish and Wildlife Service] {2021}. . https://gis-fws.opendata.arcgis.com/datasets/fws::mav-forestcore-2021-areas-greater-than-5000ac (dataset)
  • BTAA Geoportal Link

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