Index Catalog // ScholarsArchive@OSU

Characterizing the Spread and Consequences of Mycoplasma ovipneumoniae on Bighorn Sheep (Ovis canadensis) in the Northern Basin and Range Ecosystem

Creator:: Spaan, Robert S.
Abstract:: North American bighorn sheep (Ovis canadensis) have experienced significant declines and population extirpations due to novel pathogens such as Mycoplasma ovipneumoniae. This disease continues to limit the population restoration of bighorn sheep. Therefore, understanding the demographic consequences of pathogen presence and the risk of contact between bighorn populations and potential...
Resource Type:: Dissertation

Exploring biophysical linkages between coastal forestry management practices and aquatic bivalve contaminant exposure

Creator:: Scully-Engelmeyer, Kaegan, Granek, Elise F., Nielsen-Pincus, Max, Lanier, Andy, Rumrill, Steven S., Moran, Patrick, Nilsen, Elena, Hladik, Michelle L., and Pillsbury, Lori
Abstract:: Terrestrial land use activities present cross-ecosystem threats to riverine and marine species and processes. Specifically, pesticide runoff can disrupt hormonal, reproductive, and developmental processes in aquatic organisms, yet non-point source pollution is difficult to trace and quantify. In Oregon, U.S.A., state and federal forestry pesticide regulations, designed to meet regulatory...
Resource Type:: Article
Full Text:: federal lands (30~152 m), followed by state (7.6–52 m) and private/industrial lands (0–30.5 m) [16

Informational Report: The 1965 razor clam surveys

Creator:: Demory, Darrell
Abstract:: This report contains the results of the 1965 razor clam surveys at Meyers Creek Beach and in the Cannon Beach area.
Resource Type:: Technical Report
Full Text:: Beaver 35 17. 1 0 1 • a and older 3-16 Sixes 3 1 1 Ots 3-1 3, 14, 15 Meyer s Creek 41 ·t7 ·9 152 73

1967 razor clam surveys

Creator:: Demory, Darrell
Abstract:: Razor clams are found in isolated areas all along the Oregon coast. However, 90% of the harvest takes place on the Clatsop Countty beaches. Along the rest of the coast, digging is sporadic and of minor importance. This report summarizes the data for 1967 for several beaches south of Seaside....
Resource Type:: Technical Report
Full Text:: 9 100.0 Indian 1966 130 3.8 87.7 6.9 0.8 0.8 1967 152 71.7 6.6 21.7 Crescent 1966 80 46.0 39.0

Alsea Bay sport crab survey, 1988-89

Creator:: Demory, Darrell, McCrae, Jean, and Oregon. Department of Fish and Wildlife. Marine Region
Abstract:: "As the human population has grown, the recreational and commercial use in our estuaries has increased as well. Many people have more leisure time while others facing economic pressures have turned to natural resources to supplement their food needs and/or income. The increased demand has resulted in conflicts of philosophy...
Resource Type:: Technical Report
Full Text:: April May June July August September October November December Mean 152 154 151 150 150

Oregon commercial Dungeness crab fishery. 1999-2000 fishing season review and issues update

Creator:: Kaiser, Rod, Schaefer, John, and Oregon. Dept. of Fish and Wildlife. Marine Resources Program
Abstract:: The data in this document was presented to the Oregon Dungeness Crab Commission at a September 1, 2000 meeting. It summarizes the 1999/2000 Dungeness crab fishery in Oregon and gives an overview of issues of pot limits and preseason quality testing. Includes statistics.
Resource Type:: Technical Report
Full Text:: crab limited entry system implemented on December 1, 1995. The summer fishery effort was 152 vessels

Reduction of salmonid predators by chemical treatment

Creator:: Reeher, James A., Hewkin, James A., West, Duane C., and Oregon. State Game Commission. Fishery Division
Abstract:: The upper drainage of the John Day River system produces summer steelhead and spring chinook salmon. The fish are generally confined to the main stem and its tributaries above Prairie City. The spawning and rearing areas are comparatively free of undesirable fish species, but salmonid smolts migrating downstream must travel...
Resource Type:: Technical Report
Full Text:: 19 58 0 79 5 7 1 0 0 0 0 10 6 1 1 0 o 0 0 126 Total 3,728 235 2,800 195 152 14 593 1/ Includes

Investigation of proposed log boom on Yaquina River

Creator:: Tollefson, Roger, Marriage, Lowell D., and Oregon Fish Commission. Shellfish Program
Abstract:: Reports on an investigation of a request by the C.D. Johnson Lumber Company to construct a log boom two miles below Toledo on the Yaquina River. Local residents were concerned that the boom would damage clam beds. Includes a hand-drawn map of the area.
Resource Type:: Technical Report
Full Text:: noticeably thicker ant hence not nclwied above. This sample ran 152 ciae per 100 eq. ft. A total at 87

Oregon Wildlife; Vol. 30 No. 5 (May 1975)

Creator:: Oregon. Wildlife Commission
Resource Type:: Journal
Full Text:: 6.710 152 0 152 9 79 Elkton 2,750 10,280 136 37 173 6 85 Evans Creek 30 30 0 0 0 0 0 Melrose 1,930 7,190

Offshore crab shedding - 1948

Creator:: Tollefson, Roger, Marriage, Lowell D., and Oregon. Fish Commission
Abstract:: Much of this report is concerned with the perennial question of when crabs are in the soft-shell state, as opposed to when the commercial fishing season should be open. Other topics covered include molted crab shells, methods of measuring crab shells to determine if they meet size limits, early growth...
Resource Type:: Technical Report
Full Text:: ) and tour with eggs (widths 147, U.S, 152 and 165 mm). On December 6, a tota1 of 114 arabs taken 1n

ScholarsArchive@OSU

Characterizing the Spread and Consequences of Mycoplasma ovipneumoniae on Bighorn Sheep (Ovis canadensis) in the Northern Basin and Range Ecosystem

Exploring biophysical linkages between coastal forestry management practices and aquatic bivalve contaminant exposure

Informational Report: The 1965 razor clam surveys

1967 razor clam surveys

Alsea Bay sport crab survey, 1988-89

Oregon commercial Dungeness crab fishery. 1999-2000 fishing season review and issues update

Reduction of salmonid predators by chemical treatment

Investigation of proposed log boom on Yaquina River

Oregon Wildlife; Vol. 30 No. 5 (May 1975)

Offshore crab shedding - 1948

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