Marine reserves are known to directly replenish overfished species. However, the
community-wide effects of reserves are less clear. I examined the community of coralreef
fishes in a large, fully protected marine reserve in The Bahamas: the Exuma Cays
Land and Sea Park. Visual-transect surveys provided estimates and comparisons of the...
Timber harvesting is a common activity on many small woodland
properties. Whether a harvest is large or small, landowners
must carefully evaluate their overall goals and objectives before
beginning. A well-conducted harvest will help realize those
goals, but a poor job may lead to disappointing results that have to
be...
Procedures outlined in this publication show how to estimate standing volume and annual growth of individual timber stands that are relatively uniform in species, age, size, and density. Estimates of volume and growth are helpful in planning when to harvest or how much to remove in a thinning operation. These...
Tarif numbers are essential for calculating the volume of standing timber on forest land. This publication includes comprehensive tarif numbers for six species of Oregon timber--Douglas-fir, grand fir, ponderosa pine, red alder, western hemlock, and western redcedar--and the corresponding tree volumes.