This document was originally prepared in 2000 for an Ocean Spray meeting by Teryl Roper (formerly Wisconsin extension fruit specialist and now Head of the Department of Plants, Soils and Climate at Utah State University). Additional questions were supplied by Bob Donaldson, Chair of the Oregon Cranberry Grower Association. Answers...
The effects of three levels of dissolved oxygen (8, 5 and 3 mg/l)
upon the feeding, growth and bioenergetics of juvenile coho salmon,
Oncorhynchus kisutch (Walbaum), were determined in laboratory
studies. Experiments with individual fish were conducted during the
summer, fall and spring to measure rates of food consumption,
standard...
Published May 1978. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Sex differentiation in fish is a labile process that allows sex inversion in several species. The inherent capacity of fish germ cells to differentiate into oocytes or spermatocytes constitutes a key factor allowing for functional sex inversion. This thesis set out to determine the mechanism involved in steroid-induced sex differentiation...
Farmers rely almost exclusively on the imported European honeybee (Apis mellifera L.)
for fruit and vegetable crop pollination services. The recent decline in honeybee health
has underscored the danger of relying on a single species to provide vital services.
Increasing pollinator biodiversity with native bees may provide biological insurance
against...
Full Text:
,
BobDonaldson, Ted McKenzie, and Bob Nelson, all of whom allowed me onto their
properties to conduct
In 1976, a Coos Bay company began using helicopters instead of boats to pull and replace crab pots. This report, an exhibit by ODFW to the Oregon Fish and Game Commission, explores the legal and regulatory implications of helicopter crabbing in Oregon.