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Author : G. P. Ennis
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (131 download)
Download or read book Small-scale Seasonal Movements of the American Lobster Homarus Americanus written by G. P. Ennis and published by . This book was released on 1985 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Joseph R. Uzmann
Publisher :
ISBN 13 :
Total Pages : 102 pages
Book Rating : 4.3/5 (121 download)
Download or read book Migration and Dispersion of Tagged American Lobsters, Homarus Americanus, on the Southern New England Continental Shelf written by Joseph R. Uzmann and published by . This book was released on 1977 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt: An apparently contiguous stock of American lobsters, Homarus americanus, is concentrated along the outer continental shelf margin and slope from Corsair Canyon westward and southward to the region of Baltimore Canyon. Between April 1968 and May 1971 we captured, tagged, and released a total of 7, 326 lobsters at 52 localities between Corsair Canyon and Baltimore Canyon. As of December 1972, 945 recaptures (12.9% recovery) had been reported, providing a basis for interpretation of seasonal and long-term movements, as well as measurements of growth rate and moult frequency. A classification scheme is developed and applied to distinguish between apparently directed seasonal movements (migrations), localized movements of less than 10 nautical miles (18.5 km), and long-period (>120 days) dispersions of 10 miles or more. This last category includes point to point tracks that cannot be objectively resolved in terms of directionality and may represent random dispersal, a summation of seasonally directed tracks, or both. We conclude from the track analyses that at least 20% of the offshore lobsters annually engage in directed shoalward migrations in spring and summer with return to the shelf margin and slope in fall and winter. This conclusion is reinforced by independent analysis of the time/depth/temperature associations of tagged lobsters at recapture which, of itself, suggests that an even larger proportion of the offshore lobsters annually effect directed migrations in response to seasonal temperature variations.
Author : Kaycee J. Morrison
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (126 download)
Download or read book Habitat and Seasonal Movements of the American Lobster, Homarus Americanus, in the Minas Basin and Minas Passage of the Upper Bay of Fundy written by Kaycee J. Morrison and published by . This book was released on 2014 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jason Seth Goldstein
Publisher :
ISBN 13 :
Total Pages : 634 pages
Book Rating : 4.:/5 (814 download)
Download or read book The Impact of Seasonal Movements by Ovigerous American Lobsters (Homarus Americanus) on Egg Development and Larval Release written by Jason Seth Goldstein and published by . This book was released on 2012 with total page 634 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Kaycee Morrison
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (122 download)
Download or read book Habitat and Seasonal Movements of the American Lobster, Homarus Americanus, in the Minas Basin and Minas Passage of the Upper Bay of Fundy written by Kaycee Morrison and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This study examined American lobster (Homarus americanus) habitat and movements within Minas Basin and Minas Passage in advance of turbine installations at the FORCE test facility in Minas Passage, Bay of Fundy. Prior environmental assessment data, modeled current speeds and biogeophysical data from seafloor grab samples and seafloor video footage taken during the CCGS Hudson scientific cruise 2013-13 were used to prepare lobster habitat suitability maps for the Minas Basin, Minas Passage and Minas Channel. Although habitat quality varied spatially, most of the surveyed region represented good lobster habitat; less suitable areas were found with localized harsh conditions, e.g. scoured seafloor or high bottom drag. Vemco acoustic telemetry tags and VR2w receivers were used to track seasonal movements of lobster. Strategically deployed acoustic receivers were used to test the hypothesis that lobster move outward from Minas Basin through the FORCE test area in Minas Passage during late fall and inward in spring. A total of 125 adult lobsters were sourced from commercial catches in 2011 and 2012, fitted with Vemco acoustic transmitters and numbered disc tags, and released in Minas Basin. A total of 40-tagged lobsters (34 from 2011, 6 from 2012) were detected in Minas Passage, including FORCE and/or Minas Basin. More females than males were detected in Minas Passage; within both sexes, movement rates were variable. Although seasonal outward movement was detected for some lobsters, it appears that a portion of the population overwinters in Minas Basin. This conclusion is supported by two years of lobster tracking and interviews with six LFA 35 lobster fishers.
Author : Patricia Hanley
Publisher :
ISBN 13 :
Total Pages : 102 pages
Book Rating : 4.:/5 (133 download)
Download or read book Seasonal Migrations of American Lobster (Homarus Americanus) in the Bay of Fundy written by Patricia Hanley and published by . This book was released on 2018 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ovigerous American lobsters, Homarus americanus, undertake seasonal migrations thought to maximize temperature experienced by their embryos. Using satellite tags, we tracked two ovigerous females from Grand Manan between September 2013 and July 2014. The tags surfaced near Beaver Harbour, NB and Port George, NS, 33 and 123 km from the tagging location, respectively. Recorded depth and temperature for both lobsters were remarkably similar, reflecting shallow-to-deep and deep-to-shallow migrations in the fall and spring, respectively. A change in water temperature appeared to trigger fall movements, but probably not spring movements. An individual-based model indicated that our lobsters experienced higher temperatures than virtual lobsters moving randomly or not at all, but lower than the maximum possible. This study provides novel insights into the nature and function of these seasonal migrations, which represents an essential first step in our ability to predict lobster movements and hatch location in a rapidly changing ocean.
Author : Walter J. Golet
Publisher :
ISBN 13 :
Total Pages : 208 pages
Book Rating : 4.:/5 (556 download)
Download or read book Small-scale Movements and Interaction of the Lobster Homarus Americanus with Traps written by Walter J. Golet and published by . This book was released on 2003 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jan Robert Factor
Publisher : Academic Press
ISBN 13 : 9780122475702
Total Pages : 552 pages
Book Rating : 4.4/5 (757 download)
Download or read book Biology of the Lobster written by Jan Robert Factor and published by Academic Press. This book was released on 1995-10-17 with total page 552 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contributors. -- Preface. -- Introduction, Anatomy, and Life History, J.R. Factor. -- Taxonomy and Evolution, A.B. Williams. -- Larval and Postlarval Ecology, G.P. Ennis. -- Postlarval, Juvenile, Adolescent, and Adult Ecology, P. Lawton and K.L. Lavalli. -- Fishery Regulations and Methods, R.J. Miller. -- Populations, Fisheries, and Management, M.J. Fogarty. -- Interface of Ecology, Behavior, and Fisheries, J.S. Cobb. -- Aquaculture, D.E. Aiken and S.L. Waddy. -- Reproduction and Embryonic Development, P. Talbot and Simone Helluy. -- Control of Growth and Reproduction, S.L. Waddy, D.E. Aiken, and D.P.V. de Kleijn. -- Neurobiology and Neuroendocrinology, B. Beltz. -- Muscles and Their Innervation, C.K. Govind. -- Behavior and Sensory Biology, J. Atema and R. Voigt. -- The Feeding Appendages, K.L. Lavalli and J.R. Factor. -- The Digestive system, J.R. Factor. -- Digestive Physiology and Nutrition, D.E. Conklin. -- Circulation, the Blood, and Disease, G.G. Martin and J.E. Hose. -- The Phy ...
Author : Lance Lee Stewart
Publisher :
ISBN 13 :
Total Pages : 112 pages
Book Rating : 4.:/5 (49 download)
Download or read book The Seasonal Movements, Population Dynamics and Ecology of the Lobster, Homarus Americanus (Milne-Edwards), Off Ram Island, Connecticut written by Lance Lee Stewart and published by . This book was released on 1972 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Canada. Department of Fisheries and Oceans. Biological Station (St. Andrews, N.B.)
Publisher : St. Andrews, N.B. : Fisheries and Oceans Canada
ISBN 13 :
Total Pages : 21 pages
Book Rating : 4.:/5 (369 download)
Download or read book Seasonal Movement and Dispersal of American Lobsters, Homarus Americanus, Released in the Upper Bay of Fundy written by Canada. Department of Fisheries and Oceans. Biological Station (St. Andrews, N.B.) and published by St. Andrews, N.B. : Fisheries and Oceans Canada. This book was released on 1997 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Bryan L. Morse
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (133 download)
Download or read book Movement and Activity of the American Lobster (Homarus Americanus) and Implications for the Species' Ecology and Demography written by Bryan L. Morse and published by . This book was released on 2017 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The overarching goal of this thesis was to enhance our understanding of the implications of benthic movements by American lobster Homarus americanus to the species' ecology and demography. The first chapter discusses the use of an ultrasonic telemetry system to track juvenile lobsters in nature for the first time. Juveniles were highly active and mobile, and they behaved as "central place foragers", which kept them on productive but patchy nursery grounds despite the extensive movements they displayed. Juveniles did not display an increase in time spent outside of shelter or average daily home range with increasing body size, as was predicted in the literature. The second chapter discusses the use of two complimentary ultrasonic systems to simultaneously track juvenile, adolescent and adult lobster for the first time. This study confirmed some of the observations made in Chapter 1, such as lobsters being very active, displaying diurnal activity rhythms (more active at night than during the day), and behaving as central place foragers, as well as juveniles not demonstrating an increase in activity with increasing body size. It did, however, reveal ontogenetic changes in behavior over the expanded size range, with daily home range increasing gradually with increasing body size, and study length displacements being markedly greater for adolescents/adults than for juveniles. The third chapter re-analyzed data from an extensive mark-recapture study conducted in the southern Gult of St. Lawrence between 1980-1996 to estimate, for the first time, the relative contribution of benthic movements and larval dispersal to demographic connectivity in lobster. Estimates of pelagic and benthic movements were comparable, when accounting for the fact that adults can disperse over the course of several years while larvae disperse over a single season only. This novel finding, along with the fact that benthic movements are not constrained by currents the way pelagic dispersal is, and that lobsters move relatively little in our study area compared to other parts of the species' range, suggest strongly that more consideration should be given to the contribution of benthic movements to connectivity and stock structure in the management of the American lobster.
Author : John R. Christian
Publisher :
ISBN 13 :
Total Pages : 222 pages
Book Rating : 4.:/5 (455 download)
Download or read book Patterns of Diel Activity and Movements of the American Lobster, Homarus Americanus, as Determined by Ultrasonic Telemetry written by John R. Christian and published by . This book was released on 1995 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Sherrylynn Rowe
Publisher :
ISBN 13 :
Total Pages : 258 pages
Book Rating : 4.:/5 (497 download)
Download or read book Size, Structure, Movement, and Survival of American Lobster, Homarus Americanus, Populations in Areas with and Without Commercial Harvesting written by Sherrylynn Rowe and published by . This book was released on 2000 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Armand Kuris
Publisher : CRC Press
ISBN 13 : 1000111024
Total Pages : 438 pages
Book Rating : 4.0/5 (1 download)
Download or read book Crustacean Egg Production written by Armand Kuris and published by CRC Press. This book was released on 2020-10-28 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt: This title discusses egg formation, release, and development, variations in life history patterns, population, and fisheries aspects regarding crustaceans.
Author : H. O. Haakonsen
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (131 download)
Download or read book Tagging and Migration of the American Lobster Homarus Americanus written by H. O. Haakonsen and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Bruce Phillips
Publisher : John Wiley & Sons
ISBN 13 : 0470995955
Total Pages : 528 pages
Book Rating : 4.4/5 (79 download)
Download or read book Lobsters written by Bruce Phillips and published by John Wiley & Sons. This book was released on 2008-04-15 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lobsters are one of the most commercially important groups of animals harvested and farmed throughout the world. Bringing high prices on the market and the table, the results and yields of farmed species has seen continued growth. Under the Editorship of Bruce Phillips an international team of authors provide exhaustive coverage of these fascinating creatures, stretching from growth and development to management and conservation, providing the reader with: Key information for lobster farmers and harvesters Organisation of the species by genera for ease of use Coverage of parasites, pathogens and commensals; their impact, detection and measurement Fisheries scientists, aquaculture personnel, aquatic and invertebrate biologists, physiologists, ecologists, marine biologists and environmental biologists will all find this a vital source of reference. Libraries in universities and research establishments where biological and life sciences and fisheries and aquaculture are studied and taught will find it a valuable addition to their shelves.
Author :
Publisher :
ISBN 13 :
Total Pages : 264 pages
Book Rating : 4.:/5 (3 download)
Download or read book Fishery Bulletin written by and published by . This book was released on 1998 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt:
