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National Resources Inventory. Jeff Goebel Resource Inventory Division USDA-NRCS, Beltsville, MD. Acronyms. NRI = National Resources Inventory CEAP = Conservation Effects Assessment Project NASS = National Agricultural Statistics Service. National Resources Inventory.
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National Resources Inventory Jeff Goebel Resource Inventory Division USDA-NRCS, Beltsville, MD
Acronyms • NRI = National Resources Inventory • CEAP = Conservation Effects Assessment Project • NASS = National Agricultural Statistics Service
National Resources Inventory • Longitudinal statistical survey • Sample-based, not census • Measures natural resource status, conditions, trends
National Resources Inventory • Non-Federal land • 1.5 billion acres [600,000,000 ha] • Annual data collection • 200,000 sample points every year • Subsample of 800,000 total NRI sites • Results released every 5 years
National Resources Inventory NRI Sampling Units—Segment and 3 internal points Segment is a square tract of land; About 105 – 110 acres in Mid-Atlantic Typically half-mile by half-mile in Midwest
National Resources Inventory • NRI-CEAP Cropland surveys • Sample sites were fields associated with a subsample of NRI sample points [classified as “cultivated cropland”] • Conducted 2003 – 2006 nationally • USDA-NASS field staff conducted farmer interviews • Data from farmer interviews plus regular NRI data = input into the “process models” used to generate estimates of sediment & chemical transport, etc.
National Resources Inventory • NRI Conservation Tillage and Nutrient Management Survey • To become annual part of the NRI survey program • Quite similar to the data collection efforts for the original “NRI-CEAP Cropland Farmer Surveys” • Pilot Project -- to be conducted in the Chesapeake Bay Watershed this year
National Resources Inventory • Pilot Project • Data to be collected starting late 2011 by USDA-NASS enumerators • Sample of 1,500 NRI sites selected by Center for Survey Statistics and Methodology (Iowa State University) • Will include the 735 sample fields that were part of 2003 – 2006 survey
National Resources Inventory • Pilot Project • Survey instrument (questionnaire) will be similar to that used earlier • Farming operations, etc. for 2009, 2010, and 2011 • Some additions, deletions, modifications • Must be approved by OMB • Concerns • Locating operator or correct respondent • “Respondent burden”
