Skip to Main Content
Coho Salmon populations in the Karst landscape of north Prince of Wales Island, southeast Alaska.Author(s): M.D. Bryant; D.N. Swanston
Source: American Fisheries Society. 127: 425-433.
Publication Series: Scientific Journal (JRNL)
PDF: View PDF (168 KB)
DescriptionKarst topography is a unique and distinct landscape and its geology may have important implications for salmon productivity in streams. The relationship between salmonid communities and water chemistry and the influence of habitat was examined in a set of streams on north Prince of Wales Island, southeast Alaska. Streams in karst landscapes showed higher alkalinities (1,500-2,300 µeq/L) than streams not influenced by karst landscapes (750-770 µeq/L). A significant, positive relationship was observed between alkalinity and density of coho salmon parr Oncorhynchus kitsutch. Backwater pools supported higher densities of coho salmon than did other habitat units. Both coho salmon fry and parr tended to be larger in most karst-influenced streams than in nonkarst streams. Although past timber harvest practices in the riparian areas of several of the streams appeared to influence stream habitat and water temperature, streams flowing through karst landscapes had a distinct water chemistry. Furthermore, these streams appeared to support more fish than nonkarst streams.
- You may send email to email@example.com to request a hard copy of this publication.
- (Please specify exactly which publication you are requesting and your mailing address.)
- We recommend that you also print this page and attach it to the printout of the article, to retain the full citation information.
- This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.
CitationBryant, M.D.; Swanston, D.N. 1998. Coho Salmon populations in the Karst landscape of north Prince of Wales Island, southeast Alaska. American Fisheries Society. 127: 425-433.
- The response of salmon populations to geomorphic measurements at three scales
- A protocol using coho salmon to monitor Tongass National Forest Land and Resource Management Plan standards and guidelines for fish habitat.
- Landscape characteristics and coho salmon (Oncorhynchus kisutch) distributions: explaining abundance versus occupancy
XML: View XML