Those areas officially proposed for designations as critical habitat by the Secretary of Interior or Commerce. Those areas currently occupied or utilized by threatened and endangered species. The hourly air temperature of the surrounding area. A measure of water temperature heterogeneity. Thinning concentrates growth on fewer, high-quality trees, provides periodic income, and generally enhances tree vigor.
Heavy thinning can benefit wildlife through the increased growth of ground vegetation.
Roundwood products include logs, bolts, or other round sections cut from growing stock trees, cull trees, salvable dead trees, trees on nonforest land, noncommercial species, sapling-size trees, and limbwood. Byproducts from primary manufacturing plants include slabs, edging, trimmings, miscuts, sawdust, shavings, veneer cores and clippings, and screenings of pulp mills that are used as pulp chips or other products. A class to identify the physical opportunity for increasing timber production. TSI practices include applying herbicides, burning, girdling, or cutting. A measure of total filterable residue in water.