Interest in renewable energy and governmental mandates has motivated land managers to consider cellulosic feedstocks for bioenergy. I investigated plant community response to a system including switchgrass ( Panicum virgatum) as a feedstock intercropped with loblolly pine (Pinus taeda). I estimated plant species evenness, richness, and diversity and biomass production, with emphasis on white-tailed deer ( Odocoileus virginianus) forages. I detected 225 species in 2,220 1-m2 quadrats, and 7,495 biomass samples (96.4 kg dry weight) from 960 quadrats. Intercropping reduced plant species diversity, total non-pine tree biomass, and biomass of deer forages during switchgrass establishment. These effects were no longer apparent at treatment level two years after switchgrass establishment, except that deer browse and total deer forage biomass remained less in intercropped interbeds. Intercropping in managed pines may temporarily effect plant communities but further studies are needed to examine longer term effects and to quantify effects on nutritional carrying capacity for deer.
|Commitee:||Miller, Darren A., Strickland, Bronson K.|
|School:||Mississippi State University|
|Department:||Wildlife and Fisheries|
|School Location:||United States -- Mississippi|
|Source:||MAI 55/01M(E), Masters Abstracts International|
|Subjects:||Wildlife Conservation, Wildlife Management, Natural Resource Management|
|Keywords:||Bioenergy production, Intensive forestry, Intercropping, Panicum virgatum, Pinus taeda, Plant diversity|
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