Zobrazeno 1 - 10
of 40
pro vyhledávání: '"James R. Sedell"'
Autor:
Patricia A. Benner, James R. Sedell
This chapter discusses some of the anthropogenic modifications made to the river system since the advent of Euro-American influence, and synthesizes material from the authors' own research, and published material on the upper Willamette River. It foc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f71032b3a019b2bb515da3f8f1406ad1
https://doi.org/10.1201/9780203740576-2
https://doi.org/10.1201/9780203740576-2
Publikováno v:
Fisheries. 36:278-288
Freshwater fishes continue to decline at a rapid rate despite substantial conservation efforts. Native fish conservation areas (NFCAs) are a management approach emphasizing persistent native fish communities and healthy watersheds while simultaneousl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eb9505893afe1e472472175858138423
https://doi.org/10.1080/03632415.2011.582411
https://doi.org/10.1080/03632415.2011.582411
Autor:
Patrick J. Martinez, Fred A. Harris, Jeffrey L. Kershner, Christopher A. Frissell, Leah Elwell, Gordon H. Reeves, Richard N. Williams, James R. Sedell, Jack E. Williams, David P. Philipp, Dirk Miller, Russell F. Thurow
Publikováno v:
Fisheries. 36:267-277
The status of freshwater fishes continues to decline despite substantial conservation efforts to reverse this trend and recover threatened and endangered aquatic species. Lack of success is partially due to working at smaller spatial scales and focus
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f99cff074e2dd17fecd4445ad03e2efc
https://doi.org/10.1080/03632415.2011.582398
https://doi.org/10.1080/03632415.2011.582398
Publikováno v:
Ecological Applications. 10:1478-1496
An historical stream survey (1934-1945) was compared with current surveys (1987-1997) to assess changes in pool frequencies in the Columbia River Basin. We sur- veyed 2267 km of 122 streams across the basin, representing a wide range of lithologies,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8bea4083e6fd64074049ca99de7d8014
https://doi.org/10.1890/1051-0761(2000)010[1478:hciphi]2.0.co
https://doi.org/10.1890/1051-0761(2000)010[1478:hciphi]2.0.co
Publikováno v:
Environmental Management. 25:425-444
Many of the aquatic and terrestrial ecosystems of the Pacific Northwest United States have been simplified and degraded in part through past land-management activities. Recent listings of fishes under the Endangered Species Act and major new initiati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d7949cc4a59c37456cf18c2706ba915e
https://doi.org/10.1007/s002679910034
https://doi.org/10.1007/s002679910034
Publikováno v:
Journal of Phycology. 34:561-567
Colonization dynamics and metabolism of algal communities on wood (small pieces of Douglas fir) and artificial rock (tiles) substrata were investigated in an open reach in Mack Creek, Cascade Mountain Range, Oregon, for 42 days. Chlorophyll a concent
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1f65006c6dd1b1c6af7ccff521fc1aed
https://doi.org/10.1046/j.1529-8817.1998.340561.x
https://doi.org/10.1046/j.1529-8817.1998.340561.x
Publikováno v:
Journal of Forestry. 92:28-31
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::598a78ec130e60a7b5214f5ebddbf2b3
https://doi.org/10.1093/jof/92.4.28
https://doi.org/10.1093/jof/92.4.28
Publikováno v:
Transactions of the American Fisheries Society. 122:309-317
We examined the relationships of timber harvest, stream habitat complexity, and diversity of juvenile anadromous salmonid assemblages in 14 small- to intermediate-sized basins in coastal Oregon between 1985 and 1989. Diversity (the inverse of a speci
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::698c02849bd77bb0c5bdc1179aa4bb60
https://doi.org/10.1577/1548-8659(1993)122<0309:dojasa>2.3.co
https://doi.org/10.1577/1548-8659(1993)122<0309:dojasa>2.3.co
Autor:
G. Wayne Minshall, James R. Sedell, Robin L. Vannote, Robert C. Petersen, Thomas L. Bott, Colbert E. Cushing, Kenneth W. Cummins
Publikováno v:
Journal of the North American Benthological Society. 11:111-137
Studies were conducted at three locations in the Lower Salmon River, Idaho (USA) and at one Upper Salmon "calibration" site to extend results of previous research (headwater through 5-6th-order [1-814 links] streams) to an 8th-order (15,000 links) ri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::964c40645194ae810a1684fea793c11f
https://doi.org/10.2307/1467380
https://doi.org/10.2307/1467380
Publikováno v:
Environmental Management. 14:711-724
Habitats or environmental factors that convey spatial and temporal resistance and/or resilience to biotic communities that have been impacted by biophysical disturbances may be called refugia. Most refugia in rivers are characterized by extensive cou
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::703cac5d7cacc84efe6922339df01140
https://doi.org/10.1007/bf02394720
https://doi.org/10.1007/bf02394720