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Proceedings Of A Workshop On Fish Habitat Suitability Index Models
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Book Synopsis Proceedings of a Workshop on Fish Habitat Suitability Index Models by : James W. Terrell
Download or read book Proceedings of a Workshop on Fish Habitat Suitability Index Models written by James W. Terrell and published by . This book was released on 1985 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings of a Workshop on Fish Habitat Suitability Index Models by : James W. Terrell
Download or read book Proceedings of a Workshop on Fish Habitat Suitability Index Models written by James W. Terrell and published by . This book was released on 1985 with total page 393 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fish Habitat Suitability Index Models by : US Fish and Wildlife Service. Western Energy and Land Use Team
Download or read book Fish Habitat Suitability Index Models written by US Fish and Wildlife Service. Western Energy and Land Use Team and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Habitat Suitability Index Models : Flathead Catfish by : Lawrence A. Lee
Download or read book Habitat Suitability Index Models : Flathead Catfish written by Lawrence A. Lee and published by . This book was released on 1988 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Guidance on Use of Habitat Evaluation Procedures and Suitability Index Models for CERCLA Application by :
Download or read book Guidance on Use of Habitat Evaluation Procedures and Suitability Index Models for CERCLA Application written by and published by . This book was released on 1987 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Models that Predict Standing Crop of Stream Fish from Habitat Variables by : Kurt D. Fausch
Download or read book Models that Predict Standing Crop of Stream Fish from Habitat Variables written by Kurt D. Fausch and published by . This book was released on 1988 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt: We reviewed mathematical models that predict standing crop of stream fish (number or biomass per unit area or length of stream) from measurable habitat variables and classified them by the types of independent habitat variables found significant, by mathematical structure, and by model quality. Habitat variables were of three types and were measured on different scales in relation to stream channels: variables of drainage basins were measured on the coarsest scale from topographic maps; channel-morphometry and flow variables were measured in the field along transects perpendicular to flow; and habitat-structure, biological, physical, and chemical variables were measured on the finest scale in the field. We grouped the 99 reviewed models by the types of independent variables found significant during model development: (A) primarily drainage basin (5 models), (8) primarily channel morphometry and flow (16 models), (C) primarily habitat structure, biological, physical, and chemical (25 models), (D) a combination of several types of variables (39 models), and (E) tests of weighted usable area as a habitat model (14 models. Most models were linear or multiple linear regressions, or correlations, but a few were curvilinear functions (exponential or power). Some used multivariate techniques (principal components or factor analysis), and some combined independent variables into one or more indices. We judged model quality based on simple criteria of precision and generality: coefficient of determination, sample size, and degrees of freedom. Most models were based on data sets of fewer than 20 observations and, thus, also had fewer than 20 degrees of freedom. Most models with coefficients of determination of greater than 0.75 had fewer than 20 degrees of freedom, which led us to conclude that relatively precise models often lacked generality. We found that sound statistical procedures were often overlooked or were minimized during development of many models. Frequent problems were too small a sample size, possible bias caused by error in measuring habitat variables, using poor methods for choosing the best model, not testing models, using models based on observational data to predict standing crop, and making unrealistic assumptions about capture probabilities when estimating standing crop. The major biological assumptionthat the fish population was limited by habitat rather than fishing mortality, interspecific competition, or predationusually was not addressed. We found five main ways stream-fish-habitat models are used in fishery management. To be useful for analyzing land management alternatives, models must include variables affected by management and be specific for a homogeneous area of land.
Download or read book Proceedings written by and published by . This book was released on 2000 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Research Publications of the H.J. Andrews Experimental Forest, Cascade Range, Oregon, 1948 to 1986 by :
Download or read book Research Publications of the H.J. Andrews Experimental Forest, Cascade Range, Oregon, 1948 to 1986 written by and published by . This book was released on 1987 with total page 754 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Habitat Suitability Index Models: Introduction by :
Download or read book Habitat Suitability Index Models: Introduction written by and published by . This book was released on 1982 with total page 648 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Forest Bird Habitat Suitability Models and the Development of General Habitat Models by : Beatrice Van Horne
Download or read book Forest Bird Habitat Suitability Models and the Development of General Habitat Models written by Beatrice Van Horne and published by . This book was released on 1991 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book General Technical Report RM. written by and published by . This book was released on 1989 with total page 606 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalogue, United States Public Documents by :
Download or read book Monthly Catalogue, United States Public Documents written by and published by . This book was released on 1994 with total page 1064 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalog of United States Government Publications by : United States. Superintendent of Documents
Download or read book Monthly Catalog of United States Government Publications written by United States. Superintendent of Documents and published by . This book was released on 1985 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index
Book Synopsis Habitat Suitability Index Model for Brook Trout in Streams of the Southern Blue Ridge Province by : Christopher J. Schmitt
Download or read book Habitat Suitability Index Model for Brook Trout in Streams of the Southern Blue Ridge Province written by Christopher J. Schmitt and published by . This book was released on 1993 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Prairie Dog Ecosystem by : Dan K. Hinckley
Download or read book The Prairie Dog Ecosystem written by Dan K. Hinckley and published by . This book was released on 1989 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Annual Index by :
Download or read book Government Reports Annual Index written by and published by . This book was released on 1985 with total page 966 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sections 1-2. Keyword Index.--Section 3. Personal author index.--Section 4. Corporate author index.-- Section 5. Contract/grant number index, NTIS order/report number index 1-E.--Section 6. NTIS order/report number index F-Z.
Book Synopsis Habitat Suitability Index Models and Instream Flow Suitability Curves by : Richard L. Schroeder
Download or read book Habitat Suitability Index Models and Instream Flow Suitability Curves written by Richard L. Schroeder and published by . This book was released on 1985 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: