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The impact of nutria (Myocastor coypus) on marsh vegetation in the Willamette Valley, Oregon

Creator:: Wentz, William Alan
Abstract:: The relation of nutria (Myocastor coypus) feeding to total abundance, species composition, and seasonal use of the marsh flora on the William L. Finley National Wildlife Refuge was studied during 1969 and 1970. Nutria numbers were estimated by livetrapping. Food habits data were compiled from observations of feeding nutria. Phenology,...
Resource Type:: Masters Thesis

Field guide to common fish of the Willamette Valley floodplain

Creator:: Williams, Josh E., Giannico, Guillermo R., Withrow-Robinson, Brad, and Oregon State University. Extension Service
Abstract:: This book contains descriptions of 15 native and 16 nonnative fish (including origin, distribution, key characteristics, size, distinguishing features, color, diet, and other remarks) found in the Willamette River Basin's seasonal watercourses, with over a hundred photos to aid in identification. It also offers a succinct explanation of the Willamette...
Resource Type:: Technical Report
Full Text:: Willamette River Basin The Willamette River is the largest river in Oregon. It has the 13th largest flow of

Fish and wildlife problems arising from the Willamette Valley Project

Creator:: Oregon. State Game Commission and Oregon. Fish Commission
Resource Type:: Technical Report
Full Text:: River 40 TABLE OF CONTENTS (continued) Marys River Luckiamute River Main Stem Willamette River

Patterns in responses of an amphibian assemblage to wetland restoration

Creator:: Rowe, Jennifer C.
Abstract:: Wetland restoration success in attaining wildlife conservation goals can be confounded by the presence of multiple biological invaders. Wetland management activities typically target invasive plants, but bottom-up responses of higher trophic levels in novel communities are difficult to predict. We surveyed plant and amphibian assemblages at 26 sites enrolled in...
Resource Type:: Masters Thesis
Full Text:: Program (WRP) plant and amphibian sampling sites in the Willamette Valley, Oregon

Population characteristics of exotic plants in a Willamette Valley native prairie

Creator:: Lantz, Lisa E.
Resource Type:: Masters Thesis
Full Text:: Conservancy (1983) to list Willamette Valley prairies as one of the most endangered habitats in Oregon. My

Germination and establishment in Willamette Valley native prairie plants

Creator:: Russell, Michael C.
Abstract:: Native plants provide many ecosystem services while also having great beauty and are a valuable component of the landscape. As use of these plants in habitat restoration, agricultural insectary plantings, and home landscapes increases so does demand for information on the basic biology of a group of species that have...
Resource Type:: Masters Thesis
Full Text:: rest of western Oregon the 6 Willamette valley has extensive grasslands with remnant patches

Butterfly and flower community composition among prairie-oak ecosystem habitats in the Willamette Valley, Oregon

Creator:: Powers, Breanna F.
Abstract:: Prairie-oak ecosystems in the Willamette Valley, Oregon have experienced habitat loss and degradation; most of these ecosystems are fragmented into smaller patches. Prairie-oak butterfly species, in the Willamette Valley, have decreased dramatically due to loss or degradation of habitat. More research is needed on sustaining the populations of butterflies in...
Resource Type:: Masters Thesis
Full Text:: Edge Prairie-oak ecosystems in the Willamette Valley, Oregon have experienced habitat loss

Meadowfoam (Limnanthes alba) : its research and development as a potential new oilseed crop for the Willamette Valley of Oregon

Creator:: Oregon State University. Agricultural Experiment Station, Jolliff, Gary D., Calhoun, Wheeler, 1916-, and Crane, Jimmie M.
Abstract:: Published November 1981. 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:: Willamette Valley of Oregon OREGON . l6198' 'TATt1i Station Bulletin 648 November 1981 Agricultural

Relationships of the freshwater naiad Margaritifera margaritifera falcata to some fishes of the Willamette River

Creator:: Chesnutis, Edward Joseph
Resource Type:: Masters Thesis

Evaluation of botanical diversity in Oregon vineyards

Creator:: Schonenberger, Patrik M.
Abstract:: Three different ground cover management strategies were compared at the OSU research vineyard near Alpine, Oregon. Botanical diversity was actively increased in two diverse treatments. Another treatment was botanically uniform and contained creeping bentgrass (Agrostis stolonifera). The composition of the vineyard floor vegetation and grapevine performance as affected by the...
Resource Type:: Masters Thesis
Full Text:: Willamette Valley in Oregon were surveyed to establish a list and number of resident (weedy) plant

ScholarsArchive@OSU

The impact of nutria (Myocastor coypus) on marsh vegetation in the Willamette Valley, Oregon

Field guide to common fish of the Willamette Valley floodplain

Fish and wildlife problems arising from the Willamette Valley Project

Patterns in responses of an amphibian assemblage to wetland restoration

Population characteristics of exotic plants in a Willamette Valley native prairie

Germination and establishment in Willamette Valley native prairie plants

Butterfly and flower community composition among prairie-oak ecosystem habitats in the Willamette Valley, Oregon

Meadowfoam (Limnanthes alba) : its research and development as a potential new oilseed crop for the Willamette Valley of Oregon

Relationships of the freshwater naiad Margaritifera margaritifera falcata to some fishes of the Willamette River

Evaluation of botanical diversity in Oregon vineyards

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