juniper :: essays research papers

Western Junipers Growing Influence in Eastern Oregon Estimated Acreage19361988 10 per centum cover420,0002.2 millionTotal area with raetam6 millionVolume of current stand--------467 million cubic feetPrivate land give birthers own 58 percent of the area and 49 percent of the volumeBLM is the principle owner of public lands with juniper 79 percent of publicly owned juniper forestOver of the present juniper forest became established between 1850 and 1900 (greatest increase came between (1879 and 1918).Rate of Establishment1650 18002900 acres/twelvemonth1800 18508200 acres/year1850 190023,100 acres/year1900 1940 6000 acres/year52 percent of juniper grows in the 10 15 inch precipitation zone41 percent of juniper grows between 4000 5000 ft. in elevationJuniper prime intercepts more that of the annual precipitationJuniper transpires water year round compared to seasonal transpiration of separate vegetationJuniper roots can extend several times the crown diameterAlmost 50 perc ent of juniper forests have crown covers 10-20 percentJuniper woodlands have up to 10 times the erosion rate of sagebrush grass ecotypes (Buckhouse et. al.)Average cubic volume of wood per acre in juniper forests is 200 cubic feetOver half the area of juniper forests have fewer than 50 trees per acreCounties with more that million acres of juniper number 857,000Harney884,000Grant539,000Jefferson582,000Information fromGedney, D.R. et.al. (1999). Western Juniper in Eastern Oregon. USDA Forest Service. Pacific Northwest Research Station. General Technical Report, PNW-GTR-464, November 1999.Buckhouse, J. et al. (1982). Potential alluviation Production within Vegetative Communities in Oregons Blue Mountains. Journal of Soil and Water Conservation. Vol. 37, Number 2. Pgs. 120 122.Tim DeboodtOSU Crook County Extension federal agentPrineville, ORThe Drying of Oregon Potential water use of Western Juniper within current juniper area 500,000 acre feet to 920,000 acre feet per yearThis is the equivalent of a river flow year round at 680 to 1000 cfs per day