Net production of juvenile steelhead, Salmo gairdneri Richardson, in a freshwater...

1964-08-14 (iso8601)

Net production, movement, and food of cutthroat trout (Salmo clarki clarki Richardson)...

Unfished populations of cutthroat trout in three small coastal streams in Oregon were studied from April of 1962 until November of 1963. Population size, growth rate, and net production were estimated for study areas in each stream. The nature of...

1964-02-14 (iso8601)

Age, growth, and management of channel catfish, Ictalurus punctatus (Rafinesque), in...

1963-05-07 (iso8601)

An evaluation of the use of salt in the management of big game animals in northeastern...

1957-05-06 (iso8601)

Larval setting and survival of young oysters, Ostrea lurida Carp., under laboratory...

1955-05-03 (iso8601)

Studies on age, growth, and migration of steelhead trout, Salmo gairdneri gairdneri, in...

1957-04-12 (iso8601)

The survival of juvenile ring-necked pheasants on Eliza Island, Washington, during 1952

1955-01-05 (iso8601)

The influence of environmental conditions in redds on the survival of salmonoid embryos

1960-05-09 (iso8601)

Foods of juvenile coho salmon and two insect groups in the coho diet in three...

1961-05-12 (iso8601)

The effects of predation on pronghorn antelope numbers in south central Oregon

1958-05-05 (iso8601)

Techniques in marking pronghorn antelope for field identification

1958-06 (iso8601)

Trophic relations of simplified animal communities in laboratory streams

1963-05-08 (iso8601)

Techniques useful in photographing wild birds and mammals

1956-04-30 (iso8601)

Relationships between spring and fall populations of confined Microtus montanus (Peale)

1963-05-15 (iso8601)

Factors influencing the seaward migration of smolt steelhead trout : Salmo gairdnerii...

1958-10-10 (iso8601)

Some effects of sub-lethal levels of pentachlorophenol and cyanide on the physiology...

1963-05-14 (iso8601)

Effects of selected aquatic herbicides on fishes

1959-05-13 (iso8601)

Comparison of two direct observation techniques for enumerating Columbian blacktailed...

1961-05-16 (iso8601)

Nocturnal activities of the Columbian black-tailed deer, Odocoileus hemionus...

1959-05-13 (iso8601)

Effects of pollutional conditions on stream organisms with especial emphasis on...

1963-05-03 (iso8601)

The threespine stickleback, Gasterosteus aculeatus L., as a bioassay fish

1959-05-12 (iso8601)

The influence of natural mortality and other life history factors on the yield to the...

1963-05-15 (iso8601)

Ecology of breeding burrowing owls in the Columbia Basin, Oregon

1983-03-07 (iso8601)

The influences of logging practices on Columbian black-tailed deer in the Blue River...

1959-05-11 (iso8601)

Food habits, growth, and production of juvenile spring chinook salmon Oncorhynchus...

1963-05-14 (iso8601)