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AGU: Water Resources Research

 

Keywords

  • vegetation
  • database
  • transect

Index Terms

  • Biogeosciences: Data sets
  • Biogeosciences: Biodiversity
  • Hydrology: Plant ecology

Abstract

WATER RESOURCES RESEARCH, VOL. 44, W05S08, 6 PP., 2008
doi:10.1029/2006WR005724

Vegetation data, Walnut Gulch Experimental Watershed, Arizona, United States

Susan Skirvin

Department of Mining and Geological Engineering, University of Arizona, Tucson, Arizona, USA

Mary Kidwell

Southwest Watershed Research Center, Agricultural Research Service, U.S. Department of Agriculture, Tucson, Arizona, USA

Sharon Biedenbender

Coronado National Forest, Sierra Vista Ranger District, Forest Service, U.S. Department of Agriculture, Hereford, Arizona, USA

J. P. Henley

Topographic Engineering Center, U.S. Army Corp of Engineers, Alexandria, Virginia, USA

Donna King

School of Natural Resources, University of Arizona, Tucson, Arizona, USA

Chandra Holifield Collins

Southwest Watershed Research Center, Agricultural Research Service, U.S. Department of Agriculture, Tucson, Arizona, USA

Susan Moran

Southwest Watershed Research Center, Agricultural Research Service, U.S. Department of Agriculture, Tucson, Arizona, USA

Mark Weltz

National Program Staff, Agricultural Research Service, U.S. Department of Agriculture, Beltsville, Maryland, USA

The U.S. Department of Agriculture Agricultural Research Service Southwest Watershed Research Center Walnut Gulch Experimental Watershed (WGEW) is an outdoor laboratory located in southeastern Arizona to study water and soil conservation in semiarid lands. Permanent vegetation transects were established adjacent to 55 rain gauges within WGEW in 1967 to quantify vegetation. Some sites were subsequently added or dropped. Detailed vegetation data were collected in 1967, 1994–2000, and 2005, including repeat photography of transects. Ground cover data were collected after 1967. A vegetation map was developed in 2002. The transect sites, vegetation map, data collection methods, and current data availability are described. Data are available at http://www.tucson.ars.ag.gov/dap/.

Received 8 November 2006; accepted 23 January 2008; published 22 May 2008.

Citation: Skirvin, S., M. Kidwell, S. Biedenbender, J. P. Henley, D. King, C. H. Collins, S. Moran, and M. Weltz (2008), Vegetation data, Walnut Gulch Experimental Watershed, Arizona, United States, Water Resour. Res., 44, W05S08, doi:10.1029/2006WR005724.

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