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The Populations Of Killer Whales Orcinus Orca Off Southern Alaska And In Adjacent Northeast Pacific Waters
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Book Synopsis The Population(s) of Killer Whales, Orcinus Orca, Off Southern Alaska and in Adjacent Northeast Pacific Waters by : Hubbs-Sea World Research Institute
Download or read book The Population(s) of Killer Whales, Orcinus Orca, Off Southern Alaska and in Adjacent Northeast Pacific Waters written by Hubbs-Sea World Research Institute and published by . This book was released on 1983* with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Killer Whales written by Nancy J. Nielsen and published by . This book was released on 1995 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book tells you about the killer whales.
Download or read book Killer Whales written by John K. B. Ford and published by UBC Press. This book was released on 1996 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: This new edition of this best-selling book presents updated results ofover twenty-five years of killer whale research in British Columbia andWashington. Intended for both whale enthusiasts and researchers, itcontains the latest information on killer whale natural history andpresents a catalogue of close to 300 photographs of"resident" killer whales as well as a genealogical registrythat enables readers to identify individual killer whales and theirfamily groups. The technique of photographing the dorsal fin and greysaddle patch of whales has revolutionized the study of killer whales,allowing researchers to follow individuals over the course of manyyears.
Download or read book Transients written by John K.B. Ford and published by UBC Press. This book was released on 2011-11-01 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on transient killer whales. Enigmatic and elusive, these mammal-hunting whales are difficult animals to study. They travel in small groups, often moving unpredictably, which makes them less conspicuous than the larger resident pods. For these and other reasons, our understanding of the life history and ecology of transient killer whales has lagged behind that of residents. Transients contains the latest information on the natural history of transient killer whales, including their feeding habits, social lives, and distribution patterns. The catalogue section contains photographs of and notes on over 200 individual whales. Numerous sidebars contain interesting observations on encounters with transients as well as information on how and where to best watch them.
Book Synopsis A Photographic Catalog of Killer Whales, Orcinus Orca, from the Central Gulf of Alaska to the Southeastern Bering Sea by : Marilyn E. Dahlheim
Download or read book A Photographic Catalog of Killer Whales, Orcinus Orca, from the Central Gulf of Alaska to the Southeastern Bering Sea written by Marilyn E. Dahlheim and published by Seascape Research Alliance. This book was released on 1997 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Comparative demography and viability of northeastern Pacific resident killer whale populations at risk by : Luis A. Vélez-Espino
Download or read book Comparative demography and viability of northeastern Pacific resident killer whale populations at risk written by Luis A. Vélez-Espino and published by . This book was released on 2014 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Orcas written by Claire Throp and published by Heinemann-Raintree Library. This book was released on 2013 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt: Readers learn about killer whales, including their life cycle, intelligence, threats they face and how we can help them.
Book Synopsis Orcas of the Gulf by : Gerard Gormley
Download or read book Orcas of the Gulf written by Gerard Gormley and published by iUniverse. This book was released on 2000-08 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt: Book Description: 揙rcas of the Gulf will be a pleasure to anyone who wants to explore the realities of nature. Mr. Gormley's awe and respect for these magnificent whales is shared with us as a small pod of orca pass through the familiar waters off New England. We find ourselves enveloped in the interlocked, interwoven spectrum of the sea; everyday life to the orca, white water drama and magical beauty to Man. Much seems incredible, impossible, even mythical, yet the author has included every available bit of science in his exciting and educational narrative. He takes us a few steps farther than science has yet gone with common sense and realism, challenging the scientists to discover the full world of the orca. His narrative theories on perception, communication, pod society and chillingly realistic assessment of human impact are most interesting. The values and perceptions expressed in this work are not human, but they may just be the orca's, and we can all learn from that.?/p> -William W. Rossiter, Vice President Cetacean Society International Author bio: Gerard Gormley lives in Manchester-by-the-Sea, Massachusetts, where he studies sea life, especially cetaceans, as an avocation. His previous natural history, A Dolphin Summer, won broad critical acclaim for its artistic and scientific merit. His third nature book, about humpback whales, is in progress. Formerly a submariner and science writer, Mr. Gormley supplements his writing income by selling collectible books over the Internet.
Book Synopsis Killer Whales of Prince William Sound, Alaska by : John D. Hall
Download or read book Killer Whales of Prince William Sound, Alaska written by John D. Hall and published by . This book was released on 1986 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Marine Mammal and Seabird Survey of the Southern California Bight Area by : University of California, Santa Cruz
Download or read book Marine Mammal and Seabird Survey of the Southern California Bight Area written by University of California, Santa Cruz and published by . This book was released on 1978 with total page 556 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :National Academies of Sciences, Engineering, and Medicine Publisher :National Academies Press ISBN 13 :0309440513 Total Pages :147 pages Book Rating :4.3/5 (94 download)
Book Synopsis Approaches to Understanding the Cumulative Effects of Stressors on Marine Mammals by : National Academies of Sciences, Engineering, and Medicine
Download or read book Approaches to Understanding the Cumulative Effects of Stressors on Marine Mammals written by National Academies of Sciences, Engineering, and Medicine and published by National Academies Press. This book was released on 2017-05-04 with total page 147 pages. Available in PDF, EPUB and Kindle. Book excerpt: Marine mammals face a large array of stressors, including loss of habitat, chemical and noise pollution, and bycatch in fishing, which alone kills hundreds of thousands of marine mammals per year globally. To discern the factors contributing to population trends, scientists must consider the full complement of threats faced by marine mammals. Once populations or ecosystems are found to be at risk of adverse impacts, it is critical to decide which combination of stressors to reduce to bring the population or ecosystem into a more favorable state. Assessing all stressors facing a marine mammal population also provides the environmental context for evaluating whether an additional activity could threaten it. Approaches to Understanding the Cumulative Effects of Stressors on Marine Mammals builds upon previous reports to assess current methodologies used for evaluating cumulative effects and identify new approaches that could improve these assessments. This review focuses on ways to quantify exposure-related changes in the behavior, health, or body condition of individual marine mammals and makes recommendations for future research initiatives.
Book Synopsis Space Use Patterns and Population Trends of Southern Resident Killer Whales (Orcinus Orca) in Relation to Distribution and Abundance of Pacific Salmon (Oncorhynchus Spp.) in the Inland Marine Waters of Washington State and British Columbia by : Shannon Marie McCluskey
Download or read book Space Use Patterns and Population Trends of Southern Resident Killer Whales (Orcinus Orca) in Relation to Distribution and Abundance of Pacific Salmon (Oncorhynchus Spp.) in the Inland Marine Waters of Washington State and British Columbia written by Shannon Marie McCluskey and published by . This book was released on 2006 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Killer Whale written by Carol Inskipp and published by Capstone Classroom. This book was released on 2005 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introduction to killer whales and the reasons that their numbers have been declining.
Book Synopsis Killer Whales by : Sara Heimlich-Boran
Download or read book Killer Whales written by Sara Heimlich-Boran and published by . This book was released on 1994 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: Killer whales are supreme predators of the world's oceans. Once deemed bloodthirsty killers, these voracious creatures have been at the most dramatic reversals of public opinion in human history. This book explores the ecology and behaviour of killer whales and outlines what can be done to conserve one of the legends of the deep.
Book Synopsis Southern Resident Killer Whales (Orcinus Orca) by : Deborah A. Giles
Download or read book Southern Resident Killer Whales (Orcinus Orca) written by Deborah A. Giles and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation concerns the southern resident killer whales (Orcinus orca), a genetically isolated population of fish-eating killer whales that frequent the international waters of the Salish Sea between the United States and Canada in the eastern Pacific Ocean. Research was conducted from June 1 to October 31, 2007 and from June 7 to October 31, 2008, between geographic coordinates: 48°12' to 49° N latitude by 122°43' to 123°50° W longitude. The southern resident killer whale population has experienced multiple fluctuations since population surveys were initiated by the Center for Whale Research (CWR) in the mid 1970's. In November 2005, the U.S. National Oceanic and Atmospheric Administration's National Marine Fisheries Service (NMFS), Northwest Regional Office listed the southern resident killer whales as an endangered distinct population segment of the species Orcinus orca under the United States Endangered Species Act (ESA). Several risk factors including reductions in the quantity and quality of prey (salmon), exposure to persistent toxins, and disturbance from vessel presence and associated noise were identified as contributing to the decline of this already small population. With the listing under the ESA, critical habitat was designated in the inland waters around the U.S. San Juan Islands, Washington State and the Canadian Gulf Islands, British Columbia, Canada. Chapter one, Managing Vessel-based Killer Whale Watching: A Critical Assessment of the Evolution from Voluntary Guidelines to Regulations in the Salish Sea, provides background on the southern resident killer whales and the robust international whale watching industry in the region. This chapter also provides a detailed history of local, state, federal and international vessel laws and guidelines for watching whales in the Salish Sea. Chapter two, Non-invasive methods to study southern resident killer whales and vessel compliance with regulations, describes a novel equipment package, consisting of a differential GPS integrated with a digital compass and laser rangefinder that allowed me to collect accurate geo-referenced locations and behavioral data on whales and vessels throughout the whale's critical habitat. To improve both the spatial and temporal data on whale-vessel interactions, the information collected with this equipment was used to assess vessel compliance with local, state and federal laws and the regionally accepted best-practices Be Whale Wise Guidelines. Chapter three, The effects of vessels on group cohesion and behavior of southern resident killer whales (Orcinus orca), discusses research investigating changes in killer whale group cohesion in response to vessel density, distance and mode of operation. Future cetacean studies would benefit from using the equipment and methods presented here, especially in areas that are not conducive to land-based theodolite collected data.
Book Synopsis Whales, Whaling, and Ocean Ecosystems by : James A. Estes
Download or read book Whales, Whaling, and Ocean Ecosystems written by James A. Estes and published by Univ of California Press. This book was released on 2006 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt: "A must read for anyone interested in the ecology of whales, this timely and creative volume is sure to stimulate new research for years to come."—Annalisa Berta, San Diego State University
Book Synopsis Encyclopedia of Marine Mammals by : Bernd Würsig
Download or read book Encyclopedia of Marine Mammals written by Bernd Würsig and published by Academic Press. This book was released on 2017-11-27 with total page 1190 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Encyclopedia of Marine Mammals, Third Edition covers the ecology, behavior, conservation, evolution, form and function of whales, dolphins, seals, sea lions, manatees, dugongs, otters and polar bears. This edition provides new content on anthropogenic concerns, latest information on emerging threats such as ocean noise, and impacts of climate change. With authors and editors who are world experts, this new edition is a critical resource for all who are interested in marine mammals, especially upper level undergraduate and graduate students, researchers, and managers, and is a top reference for those in related fields, from oceanographers to environmental scientists. Significant content and topic updates, as well as the addition of new topics in such areas as anthropogenic disturbance Visual maps of the oceans and seas mentioned in contributions, helping to place the geographical features described in the text with clear, consistent species illustrations Written to help users learn new information or brush up on a topic quickly, with the references at the end of each entry to help guide readers into more specialist literature
