Listar por tema "ESTADOS DEL SUR (EUA)"
Mostrando ítems 1-9 de 9
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Big trees in the Southern forest inventory
(USDA Forest Service. Southern Research Station, 2010) -
Classical biological control of pest insects of trees in the Southern United States: a review and ...
(USDA Forest Service. Forest Health Technology Enterprise Team, 1997) -
En el sur de EE.UU: cuidado de los bosques para proteger el agua = Protecting forests to protect water ...
(2011)"Cuando se requiere suministrar agua limpia, la inversión de la conservación de los bosques puede ahorrar dinero." "When it comes to providing clean water, investments in forest ... -
Estimates of biomass in logging residue and standing residual inventory following tree-harvest activity ...
(USDA Forest Service. Southern Research Station, 2011)This report provides estimates of biomass (green tons) in logging residue and standing residual inventory on timberland acres with evidence of tree cutting. Biomass as defined by Forest Inventory ... -
Faces from the past: profiles of those who led restoration of the South's forests
(USDA Forest Service. Southern Research Station, 2011) -
Fluctuations in national forest timber harvest and removals: The southern regional perspective
(USDA Forest Service. Southern Research Station, 2009)Here, we examine fluctuations in timber harvest and removals on National Forest System (NFS) lands of the Southern Region in light of changing societal values and administrative policies. We ... -
Ozone injury across the southern United States, 2002-06
(USDA Forest Service. Southern Research Station, 2009)In the Eastern United States, hourly concentrations of ozone typically range from 30 to 50 parts per billion (ppb), with events that may exceed 100 ppb. Typical exposure levels can cause visible ... -
Southern pulpwood production, 2007
(USDA Forest Service. Southern Research Station, 2009)The South's production of pulpwood increased from 64.7 million cords in 2006 to 65.7 million cords in 2007. Roundwood production increased 1.2 million cords to 47.6 million cords and accounted ... -
Southern pulpwood production, 2009
(USDA Forest Service. Southern Research Station, 2011)The South’s production of pulpwood declined from 67.0 million cords in 2008 to 61.2 million cords in 2009. Roundwood production declined by 2.3 million cords to 46.5 million cords and accounted ...
