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Basinwide Estimation Of Habitat And Fish Populations In Streams
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Book Synopsis Basinwide Estimation of Habitat and Fish Populations in Streams by : Charles Andrew Dolloff
Download or read book Basinwide Estimation of Habitat and Fish Populations in Streams written by Charles Andrew Dolloff and published by . This book was released on 1993 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Basinwide Estimation of Habitat and Fish Populations in Streams by : Charles Andrew Dolloff
Download or read book Basinwide Estimation of Habitat and Fish Populations in Streams written by Charles Andrew Dolloff and published by . This book was released on 1993 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Sampling and Estimating Fish Populations from Streams by : J. S. Van Deventer
Download or read book Sampling and Estimating Fish Populations from Streams written by J. S. Van Deventer and published by . This book was released on 1983 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fish Habitat in Freshwater Streams by :
Download or read book Fish Habitat in Freshwater Streams written by and published by UCANR Publications. This book was released on with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Contribution to the Methodology of Estimating Fish Populations in Warmwater Streams by : Peter E. Zurbuch
Download or read book Contribution to the Methodology of Estimating Fish Populations in Warmwater Streams written by Peter E. Zurbuch and published by . This book was released on 1957 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Indexed Bibliography on Stream Habitat Improvement by : Richard S. Wydoski
Download or read book Indexed Bibliography on Stream Habitat Improvement written by Richard S. Wydoski and published by . This book was released on 1978 with total page 42 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 1020 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalog of United States Government Publications by :
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Fisheries Review written by and published by . This book was released on 1994 with total page 940 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ecosystem Management for Sustainability by : John Peine
Download or read book Ecosystem Management for Sustainability written by John Peine and published by CRC Press. This book was released on 1998-06-23 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt: As the 21st century approaches, the need to put principles of sustainable living and ecosystem management into practice has never been so urgent. Ecosystem Management for Sustainability recognizes this need and shares the experiences of the editor and 54 contributing authors, each leaders in the advancement of ecosystem management and champions of the natural environment. The book uses the Man And Biosphere program as a case example of a wide variety of resource management activities at work. Through the multi-authored contributions to this book, documentation of a comprehensive spectrum of ecosystem management and sustainable development principles is achieved. Ecosystem Management for Sustainability provides a link between theory and practice of these two philosophies.
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.
Book Synopsis Proceedings of the ... Annual Conference, Southeastern Association of Fish and Wildlife Agencies by : Southeastern Association of Fish and Wildlife Agencies
Download or read book Proceedings of the ... Annual Conference, Southeastern Association of Fish and Wildlife Agencies written by Southeastern Association of Fish and Wildlife Agencies and published by . This book was released on 2001 with total page 652 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ozark-Ouachita Highlands Assessment by :
Download or read book Ozark-Ouachita Highlands Assessment written by and published by . This book was released on 1999 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis North American Journal of Fisheries Management by :
Download or read book North American Journal of Fisheries Management written by and published by . This book was released on 2000 with total page 1106 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book General Technical Report SRS written by and published by . This book was released on 1999 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Aquatic Habitat Assessment by : Mark B. Bain
Download or read book Aquatic Habitat Assessment written by Mark B. Bain and published by . This book was released on 1999 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: Habitat is now the basis of most impact assessments and resource inventories, and it is the basis of many species management plans, mitigation planning, and environmental regulation. Habitats are relatively stable through time, easily defined in intuitive physical terms, and provide a tangible resource for negotiations and decision making. Numerous and varied methods of analyzing and reporting habitat conditions have been developed by federal, state, provincial, and private agencies. Habitat assessment approaches vary greatly among regions of the continent. The great variability in methods and an unusually wide range of practices have impeded the ability of agencies to share and synthesize information. A diversity of methods is desirable in the initial stages of a rapidly developing field, but enough time has passed to assess the state-of-knowledge and identify the best of the currently used methods and techniques. This manual is intended to provide fisheries biologists with a limited set of techniques for obtaining aquatic habitat data. The manual also describes the range of information collected and used in agency habitat analyses. Agencies planning habitat programs should review the synthesis of established and documented methods being used in North America (Appendix 1) and the planning recommendations in Chapter 2. Then, the remaining chapters should be reviewed to determine what types of habitat data should be included in the agency's program.
Book Synopsis Methods in Stream Ecology by : F. Richard Hauer
Download or read book Methods in Stream Ecology written by F. Richard Hauer and published by Academic Press. This book was released on 2017-01-16 with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt: Methods in Stream Ecology provides a complete series of field and laboratory protocols in stream ecology that are ideal for teaching or conducting research. This two part new edition is updated to reflect recent advances in the technology associated with ecological assessment of streams, including remote sensing. Volume focusses on ecosystem structure with in-depth sections on Physical Processes, Material Storage and Transport and Stream Biota. With a student-friendly price, this Third Edition is key for all students and researchers in stream and freshwater ecology, freshwater biology, marine ecology, and river ecology. This text is also supportive as a supplementary text for courses in watershed ecology/science, hydrology, fluvial geomorphology, and landscape ecology. Methods in Stream Ecology, 3rd Edition, Volume 2: Ecosystem Structure, is also available now! Provides a variety of exercises in each chapter Includes detailed instructions, illustrations, formulae, and data sheets for in-field research for students Presents taxonomic keys to common stream invertebrates and algae Includes website with tables and a link from Chapter 22: FISH COMMUNITY COMPOSITION to an interactive program for assessing and modeling fish numbers Written by leading experts in stream ecology