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The Center for Native Grasslands Management

Title: Simulating native grasses and improved grasses on diverse range sites in Texas
Year: 2002
Author(s): Kiniry, J. R., Sanchez, H., Derner, J., Greenwade, J.
Source Title: Proceedings of the Third Eastern Native Grass Symposium
Source Type: Proceedings
pages: 312
Original Publication:  
Abstract: Simulation models addressing soil erosion and water quality issues on range sites should realistically simulate grass dry matter yields across a diversity of soils and climate regimes. This study was designed to evaluate the ability of the ALMANAC model to simulate native range grass biomass production and improved pasture production under diverse climatic conditions and soils in Texas. The objective was to compare range grass production at rangeland ecological sites, as reported in USDA-NRCS soil surveys, with production simulated by almanac using the most common grasses for each site. The model was run with multiple years of daily weather data on different soils from a diverse set of sites in Texas. Model inputs included parameters for the soil series, grass species characteristics, and locally measured climate data. The soils, climate, and grass parameter data sets described can be useful starting points for deriving data for additional range sites, giving model users examples of realistic input data. The model shows promise as a tool for realistically simulating grass production on a diverse group of soils and in diverse climatic conditions.
Publisher: The North Carolina Botanical Garden, Chapel Hill, NC, October 1-3, 2002. Omnipress, Madison, WI
Editor(s): J. Randall