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Effects of sub-lethal levels of pentachlorophenol on the growth and metabolism of a cichlid fish

Creator:: Chapman, Gary A.
Resource Type:: Masters Thesis
Full Text:: KPCP were 0.20 mg/l or less,and no fatalities were noted at any time with concentrations at 0.2 nigJl

Agonistic behavior in Montane voles, Microtus montanus, from different parent population densities

Creator:: Belden, Lonnie Mack
Resource Type:: Masters Thesis
Full Text:: ..l ortality, IhiCh ..s s.içted to be inducd by tntraisoific strife, held dom th j'ak density lvL of

Metabolism of periphyton communities in two small streams

Creator:: Lane, Charles Bertell
Abstract:: A technique for estimating gross primary production and respiration of periphyton communities, in situ, in small turbulent streams was developed using a photosynthesis-respiration chamber in a modified "light and dark bottle" method. Trays containing portions of the substrate bearing the benthic community were embedded in the stream, level with the...
Resource Type:: Masters Thesis

Temperature effects on Pacific oyster embryos subjected to spent sulfite liquor

Creator:: Will, Theodore
Abstract:: An exploratory study of 48-hour Pacific oyster embryo bioassays employing spent sulfite liquor (SSL) in test concentrations ranging from 10 to 45 ppm was made at two incubation temperatures, 20° and 24° C. Fourteen separate bioassays, each employing embryos originating from three to four different parentages, were conducted at the...
Resource Type:: Masters Thesis
Full Text:: , D. L., V. Tartar and R. Tollefson. An in- vestigation of the decline of the native oyster industry

Home range, dispersal, homing and density of the Townsend mole Scapanus townsendii (Bachman) near Tillamook, Oregon

Creator:: Giger, Richard D.
Abstract:: Home range, dispersal, homing and density of Townsend's mole, Scapanus townsendii (Bachman), were studied during 1964 near Tillamook, Oregon. Additional information on the success of marking and capture techniques and the response of moles to flooding was gathered. This study was initiated to supply information which might aid in the...
Resource Type:: Masters Thesis
Full Text:: HADLEY RD. %. ' /'_ t ,' N F: FAIR k T/LLAAIOOK cirr iJ6ROUAID$ TONE RD MAR 0 L F LOOP 3 øt72

Distribution patterns of black-tailed deer (Odocoileus hemionus columbianus) in relation to environment

Creator:: Miller, Frank L.
Abstract:: Direct observation of a known number of black-tailed deer (Odocoileus hemionus columbianus), within the Cedar Creek study enclosure in the Tillamook Burn, Oregon, was carried on throughout 1964. Observations were made from three huts located outside of the enclosure on surrounding prominences. During this period, 1,410 hours of observational time...
Resource Type:: Masters Thesis
Full Text:: data; and to Dr. D. W. Hedrick of Range Management, Dr. Glenn L. Crouch (U. S. Forest Service

Effects of rotenone treatment on the fauna of the Green River, Wyoming

Creator:: Binns, Niles Allen
Resource Type:: Masters Thesis
Full Text:: . topographical maps. D A N I E L SECTION It BIG PINEY., FONTE NELL $ F' NED A L E R. I N.F I LA BARGE

Age-fecundity relationships in the striped seaperch Embiotoca lateralis from Yaquina Bay, Oregon

Creator:: Swedberg, Stephen Ernferd
Abstract:: A study was conducted at Yaquina Bay, Oregon, to determine the age-fecundity relationships in the striped seaperch Embiotoca lateralis. A questionnaire was sent to California, Oregon, and Washington to ascertain what regulations were in effect, and the value of the family Embiotocidae with regard to the sport and commercial harvest....
Resource Type:: Masters Thesis
Full Text:: fresh marine animals were tried but they were L 0 124*r cr) . a. 0 sand anci 6 13 (J) u) . mud r

Biology of juvenile sockeye salmon resident in Chignik River, Alaska

Creator:: Iverson, Ronald Albert
Abstract:: The life history of juvenile sockeye salmon (Oncorhynchus nerka) resident in Chignik River, Alaska, represents a departure from the lacustrine, pelagic existence typical of juveniles of this species. For this reason, the distribution, relative abundance in different parts of the river, growth, and upstream and downstream movements of juvenile sockeye...
Resource Type:: Masters Thesis
Full Text:: ' (current)year , Growth in t first year M r?.- : +yy Axis"of measurement N`Fi ! I tip S L Figure

Studies on the molluscan and fish hosts of the "salmon poisoning" fluke, Nanophyetus salmincola (Chapin)

Creator:: Gebhardt, Gary Alan.
Abstract:: This study¹ was undertaken: (1) to obtain information on the distribution of the snail, Oxytrema silicula, in three coastal rivers in Oregon, and the seasonal incidence of infection in these snails and in snails from an inland stream, with the cercariae of the trematode, Nanophyetus salinincola; (2) to follow cercarial...
Resource Type:: Masters Thesis
Full Text:: . namaycush, L. richardsoni, C. perplexus, Carassius auratus, R. balteatus, Catostomus macrocheilus, !ps

ScholarsArchive@OSU

Effects of sub-lethal levels of pentachlorophenol on the growth and metabolism of a cichlid fish

Agonistic behavior in Montane voles, Microtus montanus, from different parent population densities

Metabolism of periphyton communities in two small streams

Temperature effects on Pacific oyster embryos subjected to spent sulfite liquor

Home range, dispersal, homing and density of the Townsend mole Scapanus townsendii (Bachman) near Tillamook, Oregon

Distribution patterns of black-tailed deer (Odocoileus hemionus columbianus) in relation to environment

Effects of rotenone treatment on the fauna of the Green River, Wyoming

Age-fecundity relationships in the striped seaperch Embiotoca lateralis from Yaquina Bay, Oregon

Biology of juvenile sockeye salmon resident in Chignik River, Alaska

Studies on the molluscan and fish hosts of the "salmon poisoning" fluke, Nanophyetus salmincola (Chapin)

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