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Acoustic Estimates Of The Abundance Of Orange Roughy On The Northwest Chatham Rise Orh 3b June July 2002
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Author :Food and Agriculture Organization of the United Nations Publisher :Food & Agriculture Org. ISBN 13 :9251310238 Total Pages :131 pages Book Rating :4.2/5 (513 download)
Book Synopsis Global review of orange roughy (Hoplostethus atlanticus), their fisheries, biology and management by : Food and Agriculture Organization of the United Nations
Download or read book Global review of orange roughy (Hoplostethus atlanticus), their fisheries, biology and management written by Food and Agriculture Organization of the United Nations and published by Food & Agriculture Org.. This book was released on 2019-04-15 with total page 131 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report covers historical aspects of the regional development of orange roughy fisheries, biology, stock assessment, ecosystem interactions, and key management issues. In light of debate regarding the sustainability of orange roughy fisheries, as well as fisheries for other long-lived deepwater species, this review describes how, by making the right choices and employing the best science available, there are now some demonstrably sustainable orange roughy fisheries. However, there remain considerable challenges. These include improving understanding of deepwater benthic communities in general, their genetics and population distributions, their dispersal, and their ability to recover from fishery-related and other impacts. With regard to the direct management of the fisheries, the report emphasizes important opportunities and needs to improve ageing and acoustic biomass estimation, and to better understand the genetics and population structure of the stocks of orange roughy that are fished and managed.
Download or read book Seamounts written by Tony J. Pitcher and published by John Wiley & Sons. This book was released on 2008-04-15 with total page 552 pages. Available in PDF, EPUB and Kindle. Book excerpt: Seamounts are ubiquitous undersea mountains rising from the ocean seafloor that do not reach the surface. There are likely many hundreds of thousands of seamounts, they are usually formed from volcanoes in the deep sea and are defined by oceanographers as independent features that rise to at least 0.5 km above the seafloor, although smaller features may have the same origin. This book follows a logical progression from geological and physical processes, ecology, biology and biogeography, to exploitation, management and conservation concerns. In 21 Chapters written by 57 of the world’s leading seamount experts, the book reviews all aspects of their geology, ecology, biology, exploitation, conservation and management. In Section I of this book, several detection and estimation techniques for tallying seamounts are reviewed, along with a history of seamount research. This book represents a unique and fresh synthesis of knowledge of seamounts and their biota and is an essential reference work on the topic. It is an essential purchase for all fisheries scientists and managers, fish biologists, marine biologists and ecologists, environmental scientists, conservation biologists and oceanographers. It will also be of interest to members of fish and wildlife agencies and government departments covering conservation and management. Supplementary material is available at: www.seamountsbook.info
Book Synopsis Stock Assessment for Fishery Management by : Daniel D. Hoggarth
Download or read book Stock Assessment for Fishery Management written by Daniel D. Hoggarth and published by Food & Agriculture Org.. This book was released on 2006 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt: This publication contains guidelines for fish stock assessment and fishery management using the software tools and other outputs developed by the UK Department for International Development's Fisheries Management Science Programme (FMSP) from 1992 to 2004. It includes a CD-ROM with the installation files for each of the four FMSP software tools: LFDA (Length Frequency Data Analysis), CEDA (Catch Effort Data Analysis), YIELD and ParFish (Participatory Fisheries Stock Assessment).
Author :Food and Agriculture Organization of the United Nations. Marine Resources Service Publisher :Food & Agriculture Org. ISBN 13 :9789251034712 Total Pages :148 pages Book Rating :4.0/5 (347 download)
Book Synopsis Review of the State of World Marine Fishery Resources by : Food and Agriculture Organization of the United Nations. Marine Resources Service
Download or read book Review of the State of World Marine Fishery Resources written by Food and Agriculture Organization of the United Nations. Marine Resources Service and published by Food & Agriculture Org.. This book was released on 1994 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: This document provides a review, commentary and tabulations of the main trends that have occurred in exploitation of fisheries resources since the 1970s, largely as they are reflected in the FAO database on fishery landings, supplemented with selected information from the fishery literature. Reviews were prepared separately for the 15 main areas into which FAO divides the world's oceans for statistical purposes. They are then compared from a global perspective to reveal relative trends by species and areas, which are highlighted. Several special topics are reviewed, including tuna and tuna-like species, whales and dolphins, and environmental issues in fisheries.
Book Synopsis High Seas Bottom Trawl Fisheries and Their Impacts on the Biodiversity of Vulnerable Deep-sea Ecosystems by : Matthew Gianni
Download or read book High Seas Bottom Trawl Fisheries and Their Impacts on the Biodiversity of Vulnerable Deep-sea Ecosystems written by Matthew Gianni and published by IUCN. This book was released on 2004 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Submarine Cables and the Oceans by : L. Carter
Download or read book Submarine Cables and the Oceans written by L. Carter and published by UNEP/Earthprint. This book was released on 2009 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: There are many things and services in our everyday life that we take for granted, and telecommunications is one of them. We surf the internet, send emails to friends and colleagues abroad, talk to family members in foreign countries over the phone, book airline seats and make banking transactions without actually realizing and appreciating the sophisticated technology that enables us to do so. This report covers the history and nature of cables, their special status in international law, their interaction with the environment and other ocean users and, finally, the challenges of the future. It is an evidence-based synopsis that aims to improve the quality and availability of information to enhance understanding and cooperation between all stakeholders. UNEP-WCMC in collaboration with the International Cable Protection Committee and UNEP has prepared this new report to provide an objective, factual description of the sub-marine cable industry and the interaction of submarine telecommunications (which route 95% of all international communications traffic) with the marine environment. This important report seeks to focus and guide deliberations and decision making on the wise conservation and protection of the oceans in concert with their sustainable management and use.
Book Synopsis Tropical Fish Otoliths: Information for Assessment, Management and Ecology by : Bridget S. Green
Download or read book Tropical Fish Otoliths: Information for Assessment, Management and Ecology written by Bridget S. Green and published by Springer Science & Business Media. This book was released on 2009-08-07 with total page 313 pages. Available in PDF, EPUB and Kindle. Book excerpt: Techniques and theory for processing otoliths from tropical marine fish have developed only recently due to an historic misconception that these organisms could not be aged. Otoliths are the most commonly used structures from which daily, seasonal or annual records of a fish’s environmental history are inferred, and are also used as indicators of migration patterns, home range, spatial distribution, stock structure and life history events. A large proportion of projects undertaken on tropical marine organisms involve removal and processing of calcified structures such as otoliths, statoliths or vertebrae to retrieve biological, biochemical or genetic information. Current techniques and principles have evolved rapidly and are under constant modification and these differ among laboratories, and more particularly among species and within life history stages. Tropical fish otoliths: Information for assessment, management and ecology is a comprehensive description of the current status of knowledge about otoliths in the tropics. This book has contributions from leading experts in the field, encompassing a tropical perspective on daily and annual ageing in fish and invertebrates, microchemistry, interpreting otolith microstructure and using it to back-calculate life history events, and includes a treatise on the significance of validating periodicity in otoliths.
Book Synopsis Cold-Water Corals and Ecosystems by : André Freiwald
Download or read book Cold-Water Corals and Ecosystems written by André Freiwald and published by Springer Science & Business Media. This book was released on 2006-01-17 with total page 1242 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cold-water coral ecosystems figure the formation of large seabed structures such as reefs and giant carbonate mounds; they represent unexplored paleo-environmental archives of earth history. Like their tropical cousins, cold-water coral ecosystems harbour rich species diversity. For this volume, key institutions in cold-water coral research have contributed 62 state-of-the-art articles on topics from geology and oceanography to biology and conservation, with some impressive underwater images.
Book Synopsis Sharks of the World by : Leonard J. V. Compagno
Download or read book Sharks of the World written by Leonard J. V. Compagno and published by Food & Agriculture Org.. This book was released on 2001 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt: An extensively rewritten, revised and updated version of the original FAO Catalogue of Sharks of the World. This volume reviews all 15 families, 25 genera and 57 species of living bullhead, mackerel and carpet sharks, including certain well-established but currently undescribed species, mainly from Australia.
Download or read book Deep-Sea Fishes written by I. G. Priede and published by Cambridge University Press. This book was released on 2017-08-10 with total page 513 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive account of deep-sea fishes, covering evolution, ecology and the potential threats posed by the growing fishing industry.
Book Synopsis Synoptic-Dynamic Meteorology and Weather Analysis and Forecasting by : Lance Bosart
Download or read book Synoptic-Dynamic Meteorology and Weather Analysis and Forecasting written by Lance Bosart and published by Springer Science & Business Media. This book was released on 2013-01-06 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt: This long-anticipated monograph honoring scientist and teacher Fred Sanders includes 16 articles by various authors as well as dozens of unique photographs evoking Fred's character and the vitality of the scientific community he helped develop through his work. Editors Lance F. Bosart (University at Albany/SUNY) and Howard B. Bluestein (University of Oklahoma at Norman) have brought together contributions from luminary authors-including Kerry Emanuel, Robert Burpee, Edward Kessler, and Louis Uccellini-to honor Fred's work in the fields of forecasting, weather analysis, synoptic meteorology, and climatology. The result is a significant volume of work that represents a lasting record of Fred Sanders' influence on atmospheric science and legacy of teaching.
Book Synopsis Sharks of the World by : David A. Ebert
Download or read book Sharks of the World written by David A. Ebert and published by Princeton University Press. This book was released on 2021-07-20 with total page 608 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Fully revised and updated"--Back cover.
Book Synopsis The Coastal Everglades by : Daniel L. Childers
Download or read book The Coastal Everglades written by Daniel L. Childers and published by Oxford University Press, USA. This book was released on 2019 with total page 317 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introduction -- The Everglades as icon -- Water, sustainability, and survival -- Ecosystem fragmentation and connectivity : legacies and future implications of a restored everglades -- The life of P : a biogeochemical and socio-political challenge in the Everglades -- Carbon cycles in the Florida coastal Everglades social-ecological system across scales -- Exogenous drivers : what has disturbance taught us? -- Back to the future : rebuilding the Everglades -- Re-imagining ecology through an Everglades lens.
Author :Alaska Sea Grant College Program Publisher :Alaska Sea Grant College Program ISBN 13 : Total Pages :344 pages Book Rating :4.:/5 (318 download)
Book Synopsis Solving Bycatch by : Alaska Sea Grant College Program
Download or read book Solving Bycatch written by Alaska Sea Grant College Program and published by Alaska Sea Grant College Program. This book was released on 1996 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bycatch, the capture of unmarketable or restricted species during commercial fishing, is a world economic, environmental, and political problem. This proceedings book features international research on bycatch reduction methods and gear devices, presented at a 1995 workshop in Seattle, Selected by the Journal of Government Information as an outstanding publication.
Book Synopsis Large Meteorite Impacts and Planetary Evolution IV by : W. U. Reimold
Download or read book Large Meteorite Impacts and Planetary Evolution IV written by W. U. Reimold and published by Geological Society of America. This book was released on 2010-01-01 with total page 676 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of the Fourth International Conference on Large Meteorite Impacts and Planetary Evolution held at the Vredefort Dome, South Africa, in Aug. 2008.
Book Synopsis Marine Protected Areas by : National Research Council
Download or read book Marine Protected Areas written by National Research Council and published by National Academies Press. This book was released on 2001-06-01 with total page 289 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although the ocean-and the resources within-seem limitless, there is clear evidence that human impacts such as overfishing, habitat destruction, and pollution disrupt marine ecosystems and threaten the long-term productivity of the seas. Declining yields in many fisheries and decay of treasured marine habitats, such as coral reefs, has heightened interest in establishing a comprehensive system of marine protected areas (MPAs)-areas designated for special protection to enhance the management of marine resources. Therefore, there is an urgent need to evaluate how MPAs can be employed in the United States and internationally as tools to support specific conservation needs of marine and coastal waters. Marine Protected Areas compares conventional management of marine resources with proposals to augment these management strategies with a system of protected areas. The volume argues that implementation of MPAs should be incremental and adaptive, through the design of areas not only to conserve resources, but also to help us learn how to manage marine species more effectively.
Book Synopsis Treetops at Risk by : Margaret Lowman
Download or read book Treetops at Risk written by Margaret Lowman and published by Springer Science & Business Media. This book was released on 2013-06-22 with total page 437 pages. Available in PDF, EPUB and Kindle. Book excerpt: Forest canopies not only support high terrestrial biodiversity but also represent a critical interface between the atmosphere and the earth. They provide goods and services to support diverse human communities and offer opportunities to explore sustainable use of these resources for many generations of local livelihoods. Forest canopies are important carbon sequestration units, and in this sense, serve as climate control for the planet. Canopies are important energy production centers for the planet, and serve as the basis for many food chains. The canopy can also act as a hook for education outreach and conservation, inspiring ecotourism through recreation and other sustainable uses such as treetop walks, zip lines, and birding. Despite these critical services provided by forest canopies, almost no dedicated research in the treetops was initiated until as recently as the late 1970s when single rope techniques were developed by mountaineering professionals and adapted for use in the canopy. Subsequently, an array of canopy access tools was designed in the 1980s and early 1990s that have opened up this “eighth continent” for global exploration and discovery. This volume uses the major findings of the 5th international canopy conference as a platform for organization, but it does not mimic the sessions and presentations of the conference itself. Instead, it builds on the important themes that emerged from the conference and solicits articles that represent future priorities and advancements for canopy science in the next decade. Despite the global efforts of hundreds of forest scientists over the past 3 decades, forests are degrading at an accelerated rate and biodiversity is increasingly threatened by human activities. Given these trends - despite the very best efforts of the world’s best scientists - other approaches must be taken. This volume summarizes the issue of “treetops at risk” and assembles a global authorship to examine past accomplishments and future initiatives critical in forest conservation.