The effects of testosterone were studied on the tropical fish, Cichlasoma bimaculatum. Growth experiments were designed to determine how testosterone influenced the food consumption and growth of fish. Starvation experiments were designed to show the effects of testosterone on the basal rate of utilization of body energy stores and to...
Proteases present in shrimp processing waste are factors in the
technology of shrimp. The distribution of proteolytic activity in
shrimp parts was determined using hemoglobin and casein as substrates. The effects of various parameters upon activity of proteases
in the inedible portion were determined using muscle protein as a
substrate....
Sixty nonindustrial small-forest owners were interviewed in
Lane County, Oregon to determine their objectives for forest lands,
and knowledge of and attitudes toward public assistance in forestry.
Owners were randomly sampled from a preselected size class
of 10 to 200 acres. A formal questionnaire was used to measure
forest land...
What is it?
Swiss needle cast of Douglas fir is a foliage disease caused
by the fungus Phaeocryptopus gaeumannii. The disease is
specific to Douglas-fir, affecting no other tree species.
Sudden Oak Death (SOD) is a plant disease caused by the water
mold Phytophthora ramorum. This organism causes disease in
more than 100 species of trees, shrubs, herbs, and ferns.
Publication examines the wide variety of insect pests, diseases and environmental conditions that can affect Sitka Spruce along the coastline of Oregon.
