Search
« Previous | 1 - 10 of 2,534 | Next »
Search Results
-
Knowledge of how stream habitats change over time in natural and human-influenced ecosystems at large, regional scales is currently limited. A historical stream survey (1934-1945) was compared to current ...
Citation -
Abstract -- Fishery managers are commonly tasked with the basic question "Will the contemporary habitat above a barrier support the fish populations that historically resided in the watershed?" Managers ...
Citation -
3. [Article] Historical changes in anadromous fish habitat in the Upper Grande Ronde River, Oregon, 1941-1990
The U.S. Bureau of Fisheries (now National Marine Fisheries Service) conducted stream habitat surveys in the Upper Grande Ronde River Basin in 1941. This survey was part of an extensive inventory of stream ...Citation -
4. [Article] Methods for Stream Habitat Surveys: Aquatic Inventories Project Information Reports 2007-01
Abstract -- The Aquatic Inventories Project is designed to provide quantitative information on habitat condition for streams throughout Oregon. This information is used to provide basic information for ...Citation -
5. [Article] Stream Habitat Conditions in Western Oregon 2005 Monitoring Report Report Number: OPSW-ODFW-2007-5
Abstract -- Monitoring programs under the Oregon Plan for Salmon and Watersheds were designed to assess the status and trend in fish populations and aquatic habitat in Oregon’s coastal basins. Although ...Citation -
6. [Image] Sunbean Dam
Sunbeam Dam on the Salmon River in Idaho, close to US 93Citation -
7. [Image] Stream survey
-
Abstract -- A variety of methods have been used to estimate the number of spring/summer Chinook salmon returning to spawn in Northeast Oregon streams. However, little quantitative information has been ...
Citation -
9. [Article] Historical Vegetation of Three Salmon-Bearing Watersheds in the Interior Columbia River Basin
Land use practices can be a contributing factor to environmental degradation and have been the focus of many ecological studies. One aspect that is less addressed is land use history and the effects that ...Citation -
10. [Image] Salt Creek Falls
285 foot falls on Salt Creek, tributary to Middle Fork Willamette River;1937-09-10Citation