Index Catalog // ScholarsArchive@OSU

Evaluating Methods for Measuring Visitor Perceptions of Ecological Impacts at Wilderness Campsites

Creator:: Harris, Richard Lee
Abstract:: The objective of this study was to determine whether visitor perceptions of ecological impacts at wilderness campsites could be accurately measured using photographs or written descriptions rather than actual site evaluations. Photographs and written site descriptions of 20 campsites were used to measure perceptions of two forms of campsite impacts...
Resource Type:: Masters Thesis
Full Text:: . Harris ACKNOWLEDGEMENTS Foremost I would like to thank Bo Shelby for his enthusiasm and guidance

Carrying capacity for the Illinois River

Creator:: Shelby, Bo, 1948- and Colvin, Rick
Resource Type:: Technical Report
Full Text:: June 1981 CARRYING CAPACITY FOR THE ILLINOIS RIVE R Bo Shelby, Pj'oject Directo r Rick Colvin

Recreational use and carrying capacity for the Klamath River

Creator:: Shelby, Bo, 1948-, Stein, Kristen, Oregon State University. College of Forestry, and Oregon State University. Water Resources Research Institute
Resource Type:: Technical Report
Full Text:: Bo Shelby, Principal Investigato r Kristen Stein, Research Assistan t College of Forestry Oregon

Engineering properties of Oregon and Washington coast range soils

Creator:: Alto, Jalmer V.
Abstract:: Landslides are frequent in the steep forested regions of the Oregon and Washington coastal mountain ranges. The need for forest products has resulted in increasing logging activity in these marginally stable areas. The occurrence of landslides has increased, which in turn has focused greater interest in slope stability management. Of...
Resource Type:: Masters Thesis
Full Text:: project, and to Dr. H. I. Laursen and Dr. J. R. Bell for serving on the graduate committee. The OSU

Litter productivity at first and second parity by gilts mated at different weights at first or second estrus

Creator:: Tachasirinugune, Sommai
Abstract:: Purebred Yorkshire gilts with weights ranging from 70 to 105 kilograms were moved from a total-confinement rearing unit to a total-confinement brood stock unit where approximately ten gilts per pen were mixed to provide new penmates. Each gilt was thus exposed to an unfamiliar environment and to foreign penmates along...
Resource Type:: Masters Thesis
Full Text:: Science; Dr. Arthur S. H. Wu) and the Graduate School representative, Dr. David Hannaway, for their

Flow cytometric evaluation of spermatozoan nuclear chromatin structure and viability

Creator:: Ballachey, Brenda Elizabeth
Abstract:: I. Frozen bovine semen samples were measured by flow cytometry (FCM) to determine if FCM analyses could be useful for sperm quality evaluation and prediction of bull fertility. Fluorescent dyes utilized were acridine orange, to measure sperm nuclear chromatin heterogeneity by quantifying susceptibility of the chromatin to denaturation, and rhodamine...
Resource Type:: Dissertation
Full Text:: , H. Meyer and D. Thomas. Thanks must be extended to my fellow students and co-workers who have

A revision of the black grass bug genus Irbisia Reuter (Heteroptera:Miridae)

Creator:: Schwartz, Michael David
Abstract:: The black grass bug genus Irbisia Reuter was revised. Over 18,000 specimens were examined and information concerning the biology, host plant and distributional relationships of the species was compiled. In addition to external characters, the male claspers and vesica, and the female dorsal libiate plate of the bursa copulatrix and...
Resource Type:: Masters Thesis
Full Text:: specimens were borrowed from the California Academy of Sciences, San Francisco, (CAS), Dr. Paul H. Arnaud

A model for determining soil contrast and its application to five different soil orders

Creator:: Villamayor, Faustino Paysan
Abstract:: A well-defined, quantitative model for determining soil contrast was developed to improve soil survey interpretations concerning the effects of mixtures of different kinds of soils on agricultural land use. The model was evaluated by determining the levels and reasons for soil contrast on mapped soil areas representing 5 different landscapes,...
Resource Type:: Dissertation
Full Text:: appreciated. Drs. G. H. Simonson, C. L. Rosenfeld, D. R. Thomas and D. F. Grabe for serving as members of my

Oregon State Forester ; Vol. 29, No. 1 (January 1987)

Creator:: OSC Oregon Forestry Alumni Association
Abstract:: Magazine of OSC Oregon Forestry Alumni Association.
Resource Type:: Other
Full Text:: 97824 ADVISORY MEMBERS Carl H. Stoltenberg, Dean, College of Forestry John H. Beuter, Associate

Winter wheat varieties for 1986

Creator:: Oregon State University. Extension Service
Abstract:: Published May 1986. 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
Resource Type:: Technical Report
Full Text:: released by WSU in 1985. Batum is a semidwarf with shorter straw than Wanser or Hatton, and good lodging

ScholarsArchive@OSU

Evaluating Methods for Measuring Visitor Perceptions of Ecological Impacts at Wilderness Campsites

Carrying capacity for the Illinois River

Recreational use and carrying capacity for the Klamath River

Engineering properties of Oregon and Washington coast range soils

Litter productivity at first and second parity by gilts mated at different weights at first or second estrus

Flow cytometric evaluation of spermatozoan nuclear chromatin structure and viability

A revision of the black grass bug genus Irbisia Reuter (Heteroptera:Miridae)

A model for determining soil contrast and its application to five different soil orders

Oregon State Forester ; Vol. 29, No. 1 (January 1987)

Winter wheat varieties for 1986

Limit your search

Academic Affiliation

Advisor

Commencement Year

Committee Member

Creator

Date

Decade

Degree Field

Degree Level

Degree Name

File Format

Language

Non-Academic Affiliation

Peer Reviewed

Resource Type

Rights Statement

Subject

Search Constraints

Search Results

Limit your search