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The National Agricultural Library is one of four national libraries of the United States, with locations in Beltsville, Maryland and Washington, D.C. It houses one of the world's largest and most accessible agricultural information collections and serves as the nexus for a national network of state land-grant and U.S. Department of Agriculture field libraries. In fiscal year 2011 (Oct 2010 through Sept 2011) NAL delivered more than 100 million direct customer service transactions.

Journal Article

Journal article

Southern pine beetle impacts and control policy in the 1982-1986 Texas epidemic  [1991]

Carter, D.R. (University of Georgia, Athens, GA); O'Laughlin, J.; McKinney, C.;

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The 1985 southern pine beetle (SPB) epidemic in Texas was the worst in the state's history, resulting in a loss of almost 810 million board feet (mmbf) of timber. National forestlands experienced five times more damage per acre than private lands in 1985. The Sam Houston National Forest and three units of the Big Thicket National Preserve were worst hit, with almost 16 and 10 SPB spots per 1,000 ac, respectively. Private lands located near public lands experienced higher SPB spot densities than on other private lands. Examination of factors influencing SPB outbreak intensity--including stand structure, direct SPB control measures, and the overall aggressiveness of pest control management--suggest early and aggressive mechanical control on public lands to minimize losses on nearby private lands as a short-term strategy. Futher suggestions include spatial considerations in hazard rating systems

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Southern journal of applied forestry (USA)

ISSN : 0148-4419