Parent Layer: State Focus Areas

Name: South Dakota - Terrestrial Conservation Opportunity Areas

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Description: The goal of delineating Conservation Opportunity Areas (COAs) was to use relevant variables to map areas in South Dakota where increased emphasis on habitat conservation, protection, or management will benefit rare species and remaining intact native habitats. Identified areas may include lands owned or managed by federal, state, tribal, or private entities and areas that may already be managed to maximize species and habitat diversity. The COA maps are not intended to display a land acquisition blueprint, but are an attempt to identify areas that would help fulfill the specific objectives for terrestrial and aquatic systems in South Dakota, as described in the Wildlife Action Plan.The goal of the terrestrial COA exercise was to attempt to provide for the 10% representation goals for each ecological site type within each Major Land Resource Area (MLRA).Current COA selections do not not depict the current situation, but rather shows areas that may need more attention to management or protection to meet the terrestrial COA goal of providing for 10% representation for all ecological site types within each MLRA. The utility of terrestrial COAs will depend on future involvement of land and resource managers, landowners, and others to identify specific areas that are matched to local land management, participation in specific conservation initiatives or government programs, and wildlife conservation needs.Data sources and manipulation:1. A grid of 1-mile radius hexagons was created to cover South Dakota.2. Ecosite data were provided by EMRI (private contractor).3. Land protection data, including ownership or permanent easement status, were collected from state and federal agencies and non-government organizations.4. Public lands and conservation easements were combined as the Protected Land variable and overlaid with the hexagon grid. Percent area of protected land was calculated for each hexagon.5. Large Intact Blocks were taken from a Western Governor's Association exercise to determine large areas of South Dakota that were relatively intact and had low levels of human impacts (Sasmal et al. 2014). Additional information on the WGA effort is available at: http://www.westgovchat.org/. 6. a. Species data points were collected from a variety of sources to create the Species Richness variable;b. NatureServe Explorer (http://www.natureserve.org/) provided separation distance values for suitable habitat for all species used in the species richness analysis;c. Buffers were created for each species using the separation distance values; andd. Buffers were then overlaid with the hexagon layer to determine the number of species found within each hexagon.For additional information regarding COA Selection Criteria, please review Chapter 6.4 of the 2014 South Dakota Wildlife Action Plan found at http://www.gfp.sd.gov.

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Copyright Text: South Dakota Game, Fish and Parks Wildlife Diversity Staff and GIS Team.

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