• Executive Summary

The goal of the State Resource Assessment (SRA) of Arkansas was to use the best available geospatial datasets coupled with local expert knowledge from Natural Resources Conservation Service (NRCS) staff and conservation partners to build Geographic Information System (GIS) models that represent the extent and distribution of relevant potential natural resource concerns. The official NRCS national directives for this national inventory and analysis project were distributed in early April 2011 to each State NRCS office. During the eight weeks following the release of the national directives, the NRCS Little Rock office staff and the Center for Advanced Spatial Technologies (CAST) worked to synthesize the input of the NRCS partners and the conservation and resource expertise of the Arkansas NRCS technical committees into GIS models addressing 29 of 31 natural resource concerns within Arkansas. All immediate requirements were met by the deadline of June 1, 2011. This represented the completion of the required phase I delineation of potential at-risk acres of Arkansas for the 29 individual natural resource concerns and summary statistics as requested for the NRCS National Headquarters. The following is an attempt to provide a concise summary of various input datasets used for each natural resource concern model, as well as an explanation of how each individual GIS data layer was combined using “weighted sum” raster modeling procedures to create the resulting potential at-risk acres dataset for each of the 29 natural resource concerns. The compilation of the six priority area datasets that were directed by the Arkansas NRCS State Conservationist is also included within this summary since these datasets were processed for the final reporting requirements as dictated by the NRCS national directives.

The completion of the 2011 Arkansas SRA will help direct future discussions and review of these results with conservation partners during phase II of this effort. Phase I of this project was successfully completed within the NRCS imposed deadline and the project team was able to model all of the natural resource concerns applicable to Arkansas within a period of 3 months, while leveraging the collective knowledge of Arkansas NRCS leadership team and conservation partners. The Phase I model results will be reviewed with conservation partners and provide context to support the refinement of these GIS models, where needed during Phase II, to better reflect the collective knowledge of the resource concerns within Arkansas.
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Hanna Ford,
Oct 10, 2011, 8:46 AM
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Hanna Ford,
Oct 10, 2011, 8:46 AM
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