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Author : J M. Casselman
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (74 download)
Download or read book An evaluation of fish sampling methodologies for large river systems written by J M. Casselman and published by . This book was released on 1990 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Christopher D. Smith
Publisher :
ISBN 13 :
Total Pages : 240 pages
Book Rating : 4.:/5 (882 download)
Download or read book Assessment of Sampling Techniques and Fish Assemblage Structure in Large Western River Systems written by Christopher D. Smith and published by . This book was released on 2013 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comparison of sampling techniques and investigation of fish assemblage structure is greatly needed to improve management of western river systems. The objective of this thesis was to compare the efficacy of several gears (hoop nets, boat-mounted electrofishing, benthic trawls) for sampling fish assemblages of western rivers (Green River, Wyoming; Kootenai River, Idaho) and to investigate patterns of fish assemblage shifts in relation to habitat in the Kootenai River. In general, species-specific detectability varied by system and habitat, but was most influenced by gear. Electrofishing and hoop nets had the highest detection probabilities for most species, whereas detectability of most fishes was low with trawls. Transitions in fish assemblage and habitat structure were apparent among river sections in the Kootenai River. This thesis provides information that will improve sampling efficiency and our understanding of factors that structure fish assemblages and populations in coldwater rivers.
Author : Ian G. Cowx
Publisher : John Wiley & Sons
ISBN 13 : 0470695277
Total Pages : 458 pages
Book Rating : 4.4/5 (76 download)
Download or read book Management and Ecology of River Fisheries written by Ian G. Cowx and published by John Wiley & Sons. This book was released on 2008-04-30 with total page 458 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this edited work, international experts in fisheries management and ecology review and appraise the status of river fisheries, assessment methodology, constraints on development, issues and options regarding management and associated problems in both temperate and tropical countries. Recommendations are made to improve management and an attempt is made to provide guidelines for formulating policy, for planning methodology and for evaluating future activities. Assessment of fish community structure and dynamics. Factors constraining stock recruitment. Fish habitat requirements. Instream flow needs. Impact of water resource schemes. Rehabilitation of river fisheries. Enhancement of fish stocks. Exploitation of stocks. Management of migratory fish stocks. Conservation of endangered species. Integrated river management. Bioeconomic issues. Legislation. Multinational management of rivers. Case studies.
Author : Scott A. Bonar
Publisher :
ISBN 13 :
Total Pages : 368 pages
Book Rating : 4.F/5 ( download)
Download or read book Standard Methods for Sampling North American Freshwater Fishes written by Scott A. Bonar and published by . This book was released on 2009 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt: This was the first effort to standardize methods for inland fish sampling across North America and, as such, was a joint effort contributed to by a large group of talented and dedicated individuals, in addition to the authors and coeditors. While these sampling methods were primarily developed for North America, most could be used with little or no modification in other areas of the world. Those involved with standard sampling efforts in North America would welcome the opportunity to collaborate with scientists from other regions to develop methods to share data worldwide.
Author :
Publisher :
ISBN 13 :
Total Pages : 554 pages
Book Rating : 4.3/5 (243 download)
Download or read book Fisheries Review written by and published by . This book was released on 1995 with total page 554 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Hugh G. Gauch
Publisher : Cambridge University Press
ISBN 13 : 9780521282406
Total Pages : 320 pages
Book Rating : 4.2/5 (824 download)
Download or read book Multivariate Analysis in Community Ecology written by Hugh G. Gauch and published by Cambridge University Press. This book was released on 1982-02-26 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: A full description of computer-based methods of analysis used to define and solve ecological problems. Multivariate techniques permit summary of complex sets of data and allow investigation of many problems which cannot be tackled experimentally because of practical restraints.
Author : Evan Robertson Crews
Publisher :
ISBN 13 :
Total Pages : 104 pages
Book Rating : 4.:/5 (651 download)
Download or read book Evaluation of Sampling Methodologies for Assessing Fish Species Richness in Ridge and Valley Streams in Chattanooga, Tennessee written by Evan Robertson Crews and published by . This book was released on 1999 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Martyn Lucas
Publisher : John Wiley & Sons
ISBN 13 : 0470999640
Total Pages : 440 pages
Book Rating : 4.4/5 (79 download)
Download or read book Migration of Freshwater Fishes written by Martyn Lucas and published by John Wiley & Sons. This book was released on 2008-04-15 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent studies have increasingly demonstrated the widespread existence of spatio-temporal variations in the abundance and distribution of species of freshwater fishes, previously assumed not to move between habitats. These movements are often on a seasonal or ontogenetic basis, for spawning, feeding and refuge, and in many cases are fundamental for the successful completion of lifecycles. This important book provides a single source for a range of previously widely dispersed information on these movements of fish in fresh waters, covering potamodromous fishes as well as the more familiar diadromous species, worldwide. Contents include full descriptions of types of migration and spatial behaviour, the stimulus and capacity for fish to migrate, the effects of climate on patterns of migratory behaviour, a taxonomic analysis (mostly by family) of freshwater fish migration, methods for studying migration, and details of the impacts of man's activities on freshwater fish migration. Migration of Freshwater Fishes provides an excellent and comprehensive reference to which the river manager, biologist or student can now refer to obtain information, advice and current opinion on the migratory behaviour of most taxonomic groups of fishes occurring in fresh water. University libraries and aquatic research stations should also have copies of this essential reference book on their shelves. Well-known international authors. Of great commercial importance to fisheries and professional angling bodies. Draws together much new information in one place. Detailed review of world wide migratory behaviour for most groups of freshwater fishes. Pure and applied relevance, for academics, fisheries scientists, river managers and conservationists. This comprehensive book includes 67 tables and figures and over 1,400 references.
Author :
Publisher :
ISBN 13 :
Total Pages : 286 pages
Book Rating : 4.3/5 (121 download)
Download or read book Pilot Study to Develop Assessment Methods and Biological Indicators for Tidal Streams in Maryland's Coastal Plain written by and published by . This book was released on 1999 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert F. Sampson
Publisher :
ISBN 13 :
Total Pages : 60 pages
Book Rating : 4.:/5 (356 download)
Download or read book An Evaluation of the Fish Sampling Techniques Used by the State of Connecticut written by Robert F. Sampson and published by . This book was released on 1977 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309174406
Total Pages : 194 pages
Book Rating : 4.3/5 (91 download)
Download or read book Improving Fish Stock Assessments written by National Research Council and published by National Academies Press. This book was released on 1998-02-27 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ocean harvests have plateaued worldwide and many important commercial stocks have been depleted. This has caused great concern among scientists, fishery managers, the fishing community, and the public. This book evaluates the major models used for estimating the size and structure of marine fish populations (stock assessments) and changes in populations over time. It demonstrates how problems that may occur in fisheries dataâ€"for example underreporting or changes in the likelihood that fish can be caught with a given type of gearâ€"can seriously degrade the quality of stock assessments. The volume makes recommendations for means to improve stock assessments and their use in fishery management.
Author : Timothy R. Bosley
Publisher :
ISBN 13 :
Total Pages : 57 pages
Book Rating : 4.:/5 (227 download)
Download or read book Environmental and Water Quality Operational Studies: Evaluation of Larval Fish Sampling Gears for Use on Large Rivers written by Timothy R. Bosley and published by . This book was released on 1986 with total page 57 pages. Available in PDF, EPUB and Kindle. Book excerpt: A study was conducted to evaluate the effectiveness of five different collecting gears in sampling larval fishes associated with dikes and revetments. The tests were conducted on the Lower Mississippi River at mile 508.8 and miles 447-448. The five collecting gears used were: Plankton nets fished at discrete depths in the water column of a dike pool and the main channel; a push sled; a diaphragm pump; an electroshocker; and basket implants. These gears were used during the day and night to describe diel and temporal changes in the larval fish community in main channel, dike pool, dike, revetment, and sandbar habitats. The discrete depth net gear was effective in documenting the vertical, diel, and temporal distribution of ichthyoplankton drift in the main channel and dike pool habitats. Similarities and differences in ichthyoplankton abundance and diversity occurred between habitats. The most notable observation was the comparable abundance among like depth strata between habitats in May. In June, the surface stratum at each habitat contained a far greater abundance of larvae than the samples collected at lower depths. The push sled was effective for sampling shallow water in the vicinity of sandbars. Use of the sled revealed diel and temporal differences in the shallow-water ichthyoplankton.
Author :
Publisher :
ISBN 13 :
Total Pages : 78 pages
Book Rating : 4.:/5 (318 download)
Download or read book Report of the Symposium on Methodology for the Survey, Monitoring and Appraisal of Fishery Resources in Lakes and Large Rivers, Aviemore, Scotland (U.K.), 2-4 May 1974 written by and published by . This book was released on 1974 with total page 78 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 436 pages
Book Rating : 4.:/5 (318 download)
Download or read book Archiv Für Hydrobiologie written by and published by . This book was released on 2001 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 174 pages
Book Rating : 4.:/5 (319 download)
Download or read book Selected Research Publication Series of the U.S. Fish and Wildlife Service, 1889-1985 written by and published by . This book was released on 1987 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt: A bibliography comprising annotated citations of 2037 scientific and technical publications from ten series issued by the U.S. Fish and Wildlife Service. Includes a six-page introduction containing a history of the Service and a description of the research and development series.
Author : Marc Divens
Publisher :
ISBN 13 :
Total Pages : 136 pages
Book Rating : 4.:/5 (341 download)
Download or read book An Evaluation of Methodologies Used for Sampling Warmwater Fish Populations in Central Washington written by Marc Divens and published by . This book was released on 1995 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 204 pages
Book Rating : 4.:/5 (11 download)
Download or read book Proceedings of the 6th Technical Symposium on Mekong Fisheries written by and published by . This book was released on 2005 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt:
