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Author : Eric E. Hockersmith
Publisher :
ISBN 13 :
Total Pages : 25 pages
Book Rating : 4.:/5 (469 download)
Download or read book Comparative Performance of Sham Radio-tagged and PIT-tagged Juvenile Salmon written by Eric E. Hockersmith and published by . This book was released on 2000 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Comparative Performance of Acoustic-tagged and PIT-tagged Juvenile Salmonids written by and published by . This book was released on 2008 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Numerous research tools and technologies are currently being used to evaluate fish passage and survival to determine the impacts of the Federal Columbia River Power System (FCRPS) on endangered and threatened juvenile salmonids, including PIT tags, balloon tags, hydroacoustic evaluations, radio telemetry, and acoustic telemetry. Each has advantages and disadvantages, but options are restricted in some situations because of limited capabilities of a specific technology, lack of detection capability downstream, or availability of adequate numbers of fish. However, there remains concern about the comparative effects of the tag or the tagging procedure on fish performance. The recently developed Juvenile Salmonid Acoustic Telemetry System (JSATS) acoustic transmitter is the smallest active acoustic tag currently available. The goal of this study was to determine whether fish tagged with the JSATS acoustic-telemetry tag can provide unbiased estimates of passage behavior and survival within the performance life of the tag. We conducted both field and laboratory studies to assess tag effects. For the field evaluation we released a total of 996 acoustic-tagged fish in conjunction with 21,026 PIT-tagged fish into the tailrace of Lower Granite Dam on 6 and 13 May. Travel times between release and downstream dams were not significantly different for the majority of the reaches between acoustic-tagged and PIT-tagged fish. In addition to the field evaluation, a series of laboratory experiments were conducted to determine if growth and survival of juvenile Chinook salmon surgically implanted with acoustic transmitters is different than untagged or PIT tagged juvenile Chinook salmon. Only yearling fish with integrated and non-integrated transmitters experienced mortalities, and these were low (
Author : Eric E. Hockersmith
Publisher :
ISBN 13 :
Total Pages : 144 pages
Book Rating : 4.:/5 (224 download)
Download or read book Comparative Performance of Acoustic-tagged and Passive Integrated Transponder-tagged Juvenile Salmonids written by Eric E. Hockersmith and published by . This book was released on 2008 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : A. Michelle Wargo Rub
Publisher :
ISBN 13 :
Total Pages : 153 pages
Book Rating : 4.:/5 (51 download)
Download or read book Comparative Performance of Acoustic-tagged and Passive Integrated Transponder-tagged Juvenile Salmonids in the Columbia and Snake Rivers, 2007 written by A. Michelle Wargo Rub and published by . This book was released on 2009 with total page 153 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Tracey W. Steig
Publisher :
ISBN 13 :
Total Pages : 40 pages
Book Rating : 4.:/5 (115 download)
Download or read book Comparison of PIT Tagged and Acoustic Tagged Juvenile Chinook, Steelhead and Sockeye Salmon Passing Rocky Reach Dam in 2002 written by Tracey W. Steig and published by . This book was released on 2001 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 49 pages
Book Rating : 4.:/5 (727 download)
Download or read book Pair-Trawl Detection of PIT-Tagged Juvenile Salmonids Migrating in the Columbia River Estuary, 2008 Report of Research written by and published by . This book was released on 2009 with total page 49 pages. Available in PDF, EPUB and Kindle. Book excerpt: In 2008, we sampled migrating juvenile Pacific salmonids Oncorhynchus spp. tagged with passive integrated transponder (PIT) tags using a surface pair trawl in the upper Columbia River estuary (rkm 61-83). The cod-end of the trawl was replaced with a cylindrical PIT-tag detection antenna with an 86-cm-diameter fish-passage opening and two detection coils connected in series. The pair trawl was 105 m long with a 91.5-m opening between the wings and a sample depth of 4.9 m. Also during 2008, we finalized the development of a prototype 'matrix' antenna, which was larger than previous antennas by a considerable magnitude. The matrix antenna consisted of 6 coils: a 3-coil front component and a 3-coil rear component, which were separated by 1.5-m of net mesh. The fish-passage opening was 2.5 m wide by 3.0 m tall and was attached to a standard-size pair trawl net. Intermittent sampling with a single crew began on 7 March and targeted yearling Chinook salmon O. tshawytscha and steelhead O. mykiss. Daily sampling using two crews began on 30 April and continued through 14 June; during this period we detected 2.7% of all juvenile salmonids previously detected at Bonneville Dam--a measure of sample efficiency. Sampling with a single crew continued through 20 August and targeted subyearling Chinook salmon. We detected 7,397 yearling Chinook salmon, 2,735 subyearling Chinook salmon, 291 coho salmon O. kisutch, 5,950 steelhead, and 122 sockeye salmon O. nerka in the upper estuary. We deployed the matrix antenna system and the older, cylindrical antenna system (86-cm-diameter fish-passage opening) simultaneously in mid-May 2008 to test matrix detection efficiency. The cylindrical antenna system had been used successfully in 2007 and early 2008. Because distribution of migrating salmonids in the estuary changes rapidly, we felt that a tandem sampling effort between the two systems was the only way to truly evaluate comparative detection efficiency. We deployed both systems within 1 km of each other during a period of high fish densities on 13, 14, and 15 May. Detections of the matrix system surpassed those of the cylindrical system by 53% in 14 h of simultaneous sampling (total detections 716 and 339, respectively). We believe that the higher detection rate observed with the matrix system was due to fewer smolts escaping the trawl entrance and to more smolts readily passing through the larger fish-passage opening. After tandem sampling, we continued exclusive use of the matrix system for the remainder of the 2008 juvenile migration season. Mean survival rates from Lower Granite to Bonneville Dam for yearling Chinook salmon and steelhead were 42% (SE = 3.7%) and 46% (SE = 1.5%), respectively. Over 358,000 PIT-tagged salmonids were transported, and we detected 4,619 of these fish.
Author :
Publisher :
ISBN 13 :
Total Pages : 103 pages
Book Rating : 4.:/5 (683 download)
Download or read book Juvenile Salmonid Pit-Tag Studies at Prosser Dam and the Chandler Canal Fish Collection Facility, Yakima River, 1991 and 1992 Final Report written by and published by . This book was released on 1996 with total page 103 pages. Available in PDF, EPUB and Kindle. Book excerpt: In 1991 and 1992, the National Marine Fisheries Service completed the second and third years of a 3-year study to estimate juvenile salmonid (Oncorhynchus spp.) timing and survival characteristics related to passage through the Prosser Dam complex, including the Chandler Canal and the Chandler fish collection facility, on the Yakima River. Yearling chinook (O. tshawyacha) and coho salmon (O. kisutch) were collected at the Chandler facility, PIT tagged, and released at various locations in the Yakima River, Chandler Canal, and the Chandler facility. Individual fish were subsequently detected at PIT-tag detection monitors at the Chandler facility and/or McNary Dam on the Columbia River. Survival through various reaches, PIT-tag detection efficiency, and Chandler Canal fish entrainment proportion parameters were estimated using maximum likelihood techniques. The research objectives in 1991 and 1992 were to: (1) assess the effects of passage through the Chandler Canal and the Chandler facility on the survival of juvenile salmonids, (2) determine the entrainment rate of juvenile salmonids into the Chandler Canal as a function of river flow, and (3) determine the efficiency and reliability of the PIT-tag monitoring system at the Chandler facility. The initial 1990 research plan was expanded in 1991 and 1992 to include several more release locations and many more release days.
Author :
Publisher :
ISBN 13 :
Total Pages : 42 pages
Book Rating : 4.:/5 (727 download)
Download or read book Study to Determine the Biological Feasibility of a New Fish Tagging System written by and published by . This book was released on 1984 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pacific salmon are tagged or marked as a critical part of numerous research and management studies. A new tag called the PIT (passive integrated transponder) tag measuring 7.5 mm long by 1.5 mm in diameter has a great potential for marking fish if it proves to be biologically compatible. A study was conducted to evaluate the potential of the PIT tag for marking salmonids. The objectives of the first year's research were to determine: (1) the anatomical areas in which the tag could be placed; (2) tissue response to the tag; and (3) tag retention. Juvenile coho, Oncorhynchus kisutch, and chinook O. tshawytscha, salmon and adult chinook salmon held at Manchester or Big Beef Creek, Washington, were used as test animals. Juvenile salmon were injected with sham PIT tags in the body cavity and opercular, dorsal, and caudal masculature. The fish ranged in length from 126 to 212 mm. Observations based on three tests, from 44 to 102 days long, indicated that the dorsal musculature and body cavity were the best locations to inject the tag from biological and social standpoints. Sham PIT tags were injected into the nose; body cavity; and opercular, dorsal, and caudal musculature of jack chinook salmon. The test was conducted for 23 days. Although all five anatomical areas were acceptable from a technical standpoint, the body cavity appeared to be the best area for tag placement. Initial test results with the Sham PIT tag were very encouraging. Apparently the PIT tag can be successfully injected into and carried by salmon, making it a potentially useful tool for fisheries biologists. 5 refs., 8 figs., 6 tabs.
Author : Eric Verspoor
Publisher : John Wiley & Sons
ISBN 13 : 0470995831
Total Pages : 520 pages
Book Rating : 4.4/5 (79 download)
Download or read book The Atlantic Salmon written by Eric Verspoor and published by John Wiley & Sons. This book was released on 2008-04-15 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt: Atlantic Salmon is a cultural icon throughout its North Atlantic range; it is the focus of probably the World’s highest profile recreational fishery and is the basis for one of the World’s largest aquaculture industries. Despite this, many wild stocks of salmon are in decline and underpinning this is a dearth of information on the nature and extent of population structuring and adaptive population differentiation, and its implications for species conservation. This important new book will go a long way to rectify this situation by providing a thorough review of the genetics of Atlantic salmon. Sponsored by the European Union and the Atlantic Salmon Trust, this book comprises the work of an international team of scientists, carefully integrated and edited to provide a landmark book of vital interest to all those working with Atlantic salmon.
Author : Hiroshi Ueda
Publisher : CRC Press
ISBN 13 : 1466595140
Total Pages : 196 pages
Book Rating : 4.4/5 (665 download)
Download or read book Physiology and Ecology of Fish Migration written by Hiroshi Ueda and published by CRC Press. This book was released on 2013-08-07 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt: Among the roughly 30,000 species of fish, migratory species account for only 165 species, but most of them are very important fisheries resources. This book presents up-to-date innovative research results on the physiology and ecology of fish migration. It focuses on salmon, eels, lampreys, and bluefin tuna. The book examines migratory behavior, sp
Author : IUCN/SSC Tortoise and Freshwater Turtle Specialist Group
Publisher : IUCN
ISBN 13 : 2880329868
Total Pages : 210 pages
Book Rating : 4.8/5 (83 download)
Download or read book The Conservation Biology of Tortoises written by IUCN/SSC Tortoise and Freshwater Turtle Specialist Group and published by IUCN. This book was released on 1989 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Mark F. L. Smith
Publisher :
ISBN 13 :
Total Pages : 616 pages
Book Rating : 4.:/5 (318 download)
Download or read book The Elasmobranch Husbandry Manual written by Mark F. L. Smith and published by . This book was released on 2004 with total page 616 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Michael C. Whitlock
Publisher : Macmillan Higher Education
ISBN 13 : 1319226299
Total Pages : 2074 pages
Book Rating : 4.3/5 (192 download)
Download or read book The Analysis of Biological Data written by Michael C. Whitlock and published by Macmillan Higher Education. This book was released on 2019-11-22 with total page 2074 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Analysis of Biological Data provides students with a practical foundation of statistics for biology students. Every chapter has several biological or medical examples of key concepts, and each example is prefaced by a substantial description of the biological setting. The emphasis on real and interesting examples carries into the problem sets where students have dozens of practice problems based on real data. The third edition features over 200 new examples and problems. These include new calculation practice problems, which guide the student step by step through the methods, and a greater number of examples and topics come from medical and human health research. Every chapter has been carefully edited for even greater clarity and ease of use. All the data sets, R scripts for all worked examples in the book, as well as many other teaching resources, are available to qualified instructors (see below).
Author : Christian C. Voigt
Publisher : Springer
ISBN 13 : 3319252208
Total Pages : 601 pages
Book Rating : 4.3/5 (192 download)
Download or read book Bats in the Anthropocene: Conservation of Bats in a Changing World written by Christian C. Voigt and published by Springer. This book was released on 2015-12-07 with total page 601 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on central themes related to the conservation of bats. It details their response to land-use change and management practices, intensified urbanization and roost disturbance and loss. Increasing interactions between humans and bats as a result of hunting, disease relationships, occupation of human dwellings, and conflict over fruit crops are explored in depth. Finally, contributors highlight the roles that taxonomy, conservation networks and conservation psychology have to play in conserving this imperilled but vital taxon. With over 1300 species, bats are the second largest order of mammals, yet as the Anthropocene dawns, bat populations around the world are in decline. Greater understanding of the anthropogenic drivers of this decline and exploration of possible mitigation measures are urgently needed if we are to retain global bat diversity in the coming decades. This book brings together teams of international experts to provide a global review of current understanding and recommend directions for future research and mitigation.
Author : Kevin L. Kapuscinski
Publisher :
ISBN 13 :
Total Pages : 716 pages
Book Rating : 4.:/5 (318 download)
Download or read book Muskellunge Management written by Kevin L. Kapuscinski and published by . This book was released on 2017 with total page 716 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Judith Goodenough
Publisher : John Wiley & Sons
ISBN 13 :
Total Pages : 568 pages
Book Rating : 4.:/5 (318 download)
Download or read book Perspectives on Animal Behavior written by Judith Goodenough and published by John Wiley & Sons. This book was released on 2001 with total page 568 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work contains both contemporary research findings and historical experimental evidence. It includes the topic animal awareness, and there is requisite background material on genetics and other basic molecular topics.
Author : Peter Jackson
Publisher : John Wiley & Sons
ISBN 13 : 1405147393
Total Pages : 320 pages
Book Rating : 4.4/5 (51 download)
Download or read book Clinical Examination of Farm Animals written by Peter Jackson and published by John Wiley & Sons. This book was released on 2008-04-15 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: Clinical examination is a fundamental part of the process ofveterinary diagnosis. Without a proficient clinical examination andan accurate diagnosis it is unlikely that the treatment, control,prognosis and welfare of animals will be optimised. This book will assist veterinary students in their understandingof farm animal clinical examination and act as a quick referencefor clinicians who are called upon to examine an unfamiliarspecies. It will also provide a more detailed account forexperienced clinicians in their continuing professionaldevelopment. The authors provide a simple, explicit and reliable method ofexamining cattle, sheep, pigs and goats of all ages in the searchfor diagnostic information.
