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Distribution Of Calling Blue Fin And Humpback Whales In The North Pacific
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Book Synopsis Distribution of Calling Blue, Fin, and Humpback Whales in the North Pacific by :
Download or read book Distribution of Calling Blue, Fin, and Humpback Whales in the North Pacific written by and published by . This book was released on 2000 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt: The seasonal distribution of calling blue whales (Balaenoptera musculus) and fin whales (B. physalus), and singing humpback whales (Megaptera novaeangliae) has been analyzed from acoustic data recorded by U.S. Navy Sound Surveillance System (SOSUS) and other hydrophone arrays in the North Pacific. The data from ten arrays were selected as representative of four Regions along the continental margins, labeled Northwest (NW), Northcentral (NC), Northeast (NE), and Southeast (SE). The call data indicate that there is a substantial population of blue whales scattered over the North Pacific and concentrated during the Fall season in the NW and NC Regions. Blue whale calls are recorded in all seasons, particularly in these NW and NC Regions. Fin whales are found in groups but also in relatively large numbers in all Regions, with most calling in the Winter season and in the NC Region, and calling is absent in most Regions during Summer. Fin whale calling includes "F" calls from individuals heard in all seasons and "J" calls from too many whales to separate, particularly prominent in the winter reproductive season. Humpback singing is recorded most in the NC and SE Regions at the time of their Winter/Spring migration. The distribution of singing humpbacks changed in both the NC and SE Regions between the 1996-1997 and 1998-2000 periods.
Book Synopsis Numbers of Calling Whales in the North Pacific by : William A. Watkins
Download or read book Numbers of Calling Whales in the North Pacific written by William A. Watkins and published by . This book was released on 2001 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since November 1995, the U.S. Navy's Sound Surveillance System (SOSUS) and other hydrophone arrays were used to regularly sample the occurrence of whale sounds in four regions bordering the continental margins across the North Pacific. The numbers of whales heard calling varied with season and location for each species, blue whales (Balaenoptera musculus), fin whales (Balaenoptera physalus), and humpback whales (Megaptera novaeangliae). For blue whales, calling during the fall season averaged 5 whales per event, winter averaged 1.5 whales per event, spring averaged 1 whale, and summer averaged 1.5 whales. For fin whales the numbers of whales heard ('F' calls from individuals) during winter averaged 3 whales per event, spring and fall calling averaged 1.5 whales, and summer averaged 1 whale. The 'J' calling events, regardless of season, were judged to be from at least 6 fin whales. Humpback singing typically was from 3 whales. These number demonstrated seasonal variations in calling whales for each region.
Book Synopsis Future directions for acoustic marine mammal surveys stock assessment and habitat use : report of a workshop held in La Jolla, California, 2022 November 2002 by :
Download or read book Future directions for acoustic marine mammal surveys stock assessment and habitat use : report of a workshop held in La Jolla, California, 2022 November 2002 written by and published by DIANE Publishing. This book was released on with total page 45 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Marine Mammal Protection Act and Endangered Species Act Implementation Program 2001 by : Anita L. Lopez
Download or read book Marine Mammal Protection Act and Endangered Species Act Implementation Program 2001 written by Anita L. Lopez and published by . This book was released on 2002 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Arctic Research of the United States by :
Download or read book Arctic Research of the United States written by and published by . This book was released on 2006 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Oceanography Magazine written by and published by . This book was released on 2000 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Atlantic Fleet Active Sonar Training by :
Download or read book Atlantic Fleet Active Sonar Training written by and published by . This book was released on 2008 with total page 908 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ethology and Behavioral Ecology of Mysticetes by : Christopher W. Clark
Download or read book Ethology and Behavioral Ecology of Mysticetes written by Christopher W. Clark and published by Springer Nature. This book was released on 2022-07-02 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Identifying and Comparing Important Areas for Marine Sustainable Use and Conservation by : Sofie Van Parijs
Download or read book Identifying and Comparing Important Areas for Marine Sustainable Use and Conservation written by Sofie Van Parijs and published by Frontiers Media SA. This book was released on 2024-05-24 with total page 342 pages. Available in PDF, EPUB and Kindle. Book excerpt: The ocean is under increasing threat from the expansion of human activities. The combined impacts of these threats as well as the potential impacts of climate change and ocean acidification have placed thousands of species at risk of extinction, and have impaired the structure, function, productivity and resilience of marine ecosystems. Currently, some parts of the world's oceans are significantly impacted, yet are without any form of effective management. Only a small proportion of the oceans are within protected area systems. Globally, measures are being taken to increase protection and sustainable management, but application is uncoordinated and not always effective. In order to support effective policy action by countries and competent international and regional organizations, it is critical to build a sound understanding of the most ecologically and biologically important ocean areas that support healthy marine ecosystems so that the necessary steps to ensure the long-term function and resilience of these systems can be taken.
Book Synopsis Elevators--autonomous Transporters for Deep Sea Benthic Sample Recovery by : M. F. Bowen
Download or read book Elevators--autonomous Transporters for Deep Sea Benthic Sample Recovery written by M. F. Bowen and published by . This book was released on 2000 with total page 418 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Hawaii Range Complex written by and published by . This book was released on 2008 with total page 516 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Impacts of Shipping on Marine Fauna by : Christine Erbe
Download or read book Impacts of Shipping on Marine Fauna written by Christine Erbe and published by Frontiers Media SA. This book was released on 2020-10-23 with total page 333 pages. Available in PDF, EPUB and Kindle. Book excerpt: This eBook is a collection of articles from a Frontiers Research Topic. Frontiers Research Topics are very popular trademarks of the Frontiers Journals Series: they are collections of at least ten articles, all centered on a particular subject. With their unique mix of varied contributions from Original Research to Review Articles, Frontiers Research Topics unify the most influential researchers, the latest key findings and historical advances in a hot research area! Find out more on how to host your own Frontiers Research Topic or contribute to one as an author by contacting the Frontiers Editorial Office: frontiersin.org/about/contact.
Book Synopsis North Pacific Acoustic Laboratory by :
Download or read book North Pacific Acoustic Laboratory written by and published by . This book was released on 2001 with total page 530 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Atlas of Cetacean Distribution in North-west European Waters by : James B. Reid
Download or read book Atlas of Cetacean Distribution in North-west European Waters written by James B. Reid and published by . This book was released on 2003 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt: An account of the distribution of 28 cetacean species that are known to have occurred in the waters off north-west Europe. Individual chapters cover particular species in detail, spanning identification, behaviour and social organisation, diet and habitat preferences, worldwide distribution and population status.
Book Synopsis Basics of Marine and Estuarine Ecology by : Abhijit Mitra
Download or read book Basics of Marine and Estuarine Ecology written by Abhijit Mitra and published by Springer. This book was released on 2016-02-02 with total page 490 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book presents recent research on marine ecology in different parts of the world. It aims to shed light on relevant topics for budding marine ecologists. The “blue soup” of Planet Earth, which comprises both biotic and abiotic components, is essential to keeping the wheel of civilization running. Four major ecosystem service categories have been identified within this context, namely provisioning services such as water, food, mangrove timber, honey, fish, wax, fuel wood, fodder and bioactive compounds from marine and estuarine flora and fauna; regulating services such as the regulation of climate, coastal erosion, coral bleaching and pollution; cultural services encompassing recreational (tourism), spiritual and other non-material benefits; and supporting services such as nutrient cycling and photosynthesis. These valuable services are obtained from various resources that must be conserved for the sake of humanity. This book presents data for each resource type, not just in the form of a simple description, but also through case studies that resulted from several research projects and pilot programs carried out in different parts of the world. Statistical tools were also used to critically analyze the influence of relevant hydrological parameters on the biotic community. Advanced research in marine and estuarine ecology is based on the use of sophisticated instruments, sampling precision, statistical tools, etc., which have also been highlighted in the book.
Book Synopsis Calling Behavior of Blue and Fin Whales Off California by : Erin Marie Oleson
Download or read book Calling Behavior of Blue and Fin Whales Off California written by Erin Marie Oleson and published by . This book was released on 2005 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Sensory Systems of Aquatic Mammals by : Ronald A. Kastelein
Download or read book Sensory Systems of Aquatic Mammals written by Ronald A. Kastelein and published by . This book was released on 1995 with total page 622 pages. Available in PDF, EPUB and Kindle. Book excerpt:
