Population Dynamics And Social Organisation Of Humpback Whales Megaptera Novaengliae
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Population Dynamics And Social Organisation Of Humpback Whales Megaptera Novaengliae
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Author : Christian Ramp
language : en
Publisher:
Release Date : 2008
Population Dynamics And Social Organisation Of Humpback Whales Megaptera Novaengliae written by Christian Ramp and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with categories.
Population Dynamics And Social Organisation Of Humpback Whales Megaptera Novaengliae
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Author : Christian Ramp
language : en
Publisher:
Release Date : 2008
Population Dynamics And Social Organisation Of Humpback Whales Megaptera Novaengliae written by Christian Ramp and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with categories.
Patterns Of Population Genetic Structure Among Australian And The South Pacific Humpback Whales Megaptera Novaeangliae
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Author : Natalie Tara Schmitt
language : en
Publisher:
Release Date : 2012
Patterns Of Population Genetic Structure Among Australian And The South Pacific Humpback Whales Megaptera Novaeangliae written by Natalie Tara Schmitt and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with Humpback whale categories.
Humpback whales undertake long-distance seasonal migrations between low latitude winter breeding grounds and high latitude summer feeding grounds. Although arguably one of the best studied of all baleen whales, there remain some critical gaps in our understanding of their population structure, migratory movement and the mixing of putative populations on the feeding grounds. Addressing these uncertainties is important in the development of demographic models that reconstruct the historical trajectory of population decline and recovery following the cessation of commercial whaling. Utilising both mitochondrial and nuclear genetic markers, this thesis examines the population structure and distribution of humpback whales that migrate to separate winter breeding grounds along the north-western and north-eastern coasts of Australia, and their interaction with the endangered populations of the South Pacific. The project investigated three important gaps in knowledge: population structure among putative breeding populations, the mixing of breeding populations on high latitude Antarctic feeding grounds and evidence for sex-specific migration along the eastern Australian migratory corridor. The thesis also reports the discovery and utility of novel nuclear genetic markers (single nucleotide polymorphisms, SNPs). These markers hold promise for facilitating more effective multi-laboratory collaboration. Among the Australian putative populations, weak but significant differentiation was detected across ten microsatellite loci and mitochondrial control region sequences. This pattern of low level differentiation is emerging as a characteristic of Southern Hemisphere humpback whale populations indicating extensive movement at least historically, if not presently. As the first step towards assessing the mixing of Australian and endangered South Pacific humpback whale breeding populations on the Antarctic feeding grounds, a series of simulations were conducted to estimate the statistical power of both mitochondrial and nuclear microsatellite data from these populations for a mixed-stock analysis (MSA). The results of these simulations confirmed that we can draw robust conclusions from our MSA of Antarctic feeding ground samples collected south of eastern Australia and New Zealand in 2010. Using combined mtDNA and microsatellite datasets revealed substantial contributions from both eastern Australia and New Caledonia, but not western Australia; strengthening emerging evidence that these Antarctic waters are utilized by humpback whales from both eastern Australia and the more vulnerable breeding population of New Caledonia, representing Oceania. There was no compelling evidence for sex-specific migration within the eastern Australian breeding population as indicated by the lack of significant differences detected in the patterns of haplotype sharing, haplotype frequency or haplotype differentiation between males and females. Instead, the significant differentiation revealed between the sexes at the nucleotide level for one sampling location and between sampling locations at the haplotype level suggests that humpback whale migration along eastern Australia may be more complex than previously thought. Increasing the statistical power of our genetic datasets through the addition of new informative markers, including the SNPs discovered in this project, and incorporating non-genetic data, will assist in future studies of the population genetic structure and dynamics of Southern Hemisphere humpback whales.
Hawaiian Islands Humpback Whales And Their Habitat National Marine Sanctuary Plan Honolulu County Kauai County Maui County
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Author :
language : en
Publisher:
Release Date : 1997
Hawaiian Islands Humpback Whales And Their Habitat National Marine Sanctuary Plan Honolulu County Kauai County Maui County written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with categories.
Canadian Journal Of Zoology
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Author :
language : en
Publisher:
Release Date : 2003
Canadian Journal Of Zoology written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Electronic journals categories.
Biology Of Marine Mammals
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Author : John E. Reynolds
language : en
Publisher: Smithsonian Institution
Release Date : 2013-08-06
Biology Of Marine Mammals written by John E. Reynolds and has been published by Smithsonian Institution this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-08-06 with Science categories.
Taking an integrated approach to the biology of marine carnivores, cetaceans, and sirenians, twenty-two prominent researchers compare marine mammals with one another and with terrestrial mammals, providing a framework for fundamental biological and ecological concepts. They describe functional morphology, sensory systems, energetics, reproduction, communication and cognition, behavior, distribution, population biology, and feeding ecology. They also detail the physiological adaptations—for such activities and processes as diving, thermo-regulation, osmoregulation, and orientation—that enable marine mammals to exploit their aquatic environment.
Ethology And Behavioral Ecology Of Mysticetes
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Author : Christopher W. Clark
language : en
Publisher: Springer Nature
Release Date : 2022-07-02
Ethology And Behavioral Ecology Of Mysticetes written by Christopher W. Clark and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-07-02 with Science categories.
In this book, an international team of leading marine mammal scientists, with a remarkably diverse set of backgrounds and areas of expertise, lead you through a synthesis of current knowledge on baleen whales. Baleen whales are the largest animals ever to have lived on this planet. They also have the lowest and most intense voices on Earth, most likely evolved to take advantage of ocean acoustic transmission conditions so as to be detectable across ocean basins. Some baleen whales can live to be 150-200 years old. They migrate many thousands of kilometers between feeding and breeding areas. They produce songs and calls that serve as behavioral foundations for establishing, maintaining and expanding their cultural identities. To conclude that we know the behavioral limits of these large brained, long-lived animals would be naïve. As baleen whale scientists, we are still beginning to comprehend the enormous complexities and natural histories of these remarkable animals. Today, the fact that whales sing is known throughout much of the world. This awareness started 50 years ago with the publication and popularization of a collection of humpback song recordings that motivated research into baleen whale behavioral ethology. In this book’s chapters, a reader’s experiences will stretch from learning about baleen whale laryngeal anatomy associated with their different voices to learning about the vast ocean areas over which their voices can be heard and the emerging complexities of their culturally defined societies. These are accompanied by chapters on the fundamental ethological contexts of socializing, migrating, and foraging. Two common themes permeate the book. One theme highlights the phenomenal increase in scientific knowledge achieved through technological advancements. The other theme recognizes the impacts of human-made activities on ocean acoustic environments and the resultant influences on the health and survival of individual whales and their populations. Although the book is intentionally ambitious in its scope, as scientists, we fully recognize that baleen whale science is still in its infancy. Many profound revelations await discovery by cohorts of young, multi-talented explorers, some of whom are stretching their wings in this volume and some of whom are reading these scientific stories for the first time.
Hawaiian Islands Humpback Whale National Marine Sanctuary
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Author :
language : en
Publisher:
Release Date : 1995
Hawaiian Islands Humpback Whale National Marine Sanctuary written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Environmental impact analysis categories.
Structure And Dynamics Of The Gulf Of Maine Humpback Whale Population
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Author : Julie Robbins
language : en
Publisher:
Release Date : 2007
Structure And Dynamics Of The Gulf Of Maine Humpback Whale Population written by Julie Robbins and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Animal populations categories.
Humpback Dolphins Sousa Spp Current Status And Conservation Part 1
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Author :
language : en
Publisher: Academic Press
Release Date : 2015-11-21
Humpback Dolphins Sousa Spp Current Status And Conservation Part 1 written by and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-11-21 with Science categories.
Humpback Dolphins (Sousa spp.): Current Status and Conservation, Part 1 is part of Advances in Marine Biology, a series that has been providing in-depth and up-to-date reviews on all aspects of marine biology since 1963 — more than 50 years of outstanding coverage from a reference that is well known for its contents and editing. This latest addition to the series includes updates on many topics that will appeal to postgraduates and researchers in marine biology, fisheries science, ecology, zoology, and biological oceanography. Specialty areas for the series include marine science, both applied and basic, a wide range of topical areas from all corners of marine ecology, oceanography, fisheries management, and molecular biology, and the full range of geographic areas from polar seas to tropical coral reefs. Reviews articles on the latest advances in marine biology Includes updates on many topics that will appeal to postgraduates and researchers in marine biology, fisheries science, ecology, zoology, and biological oceanography Authored by leading figures in their respective fields of study Presents materials that are widely used by managers, students, and academic professionals in the marine sciences