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Pot Shrimp Stock Assessment Survey Results From 1996 2003 In Districts 3 7 12 And 13 Of Southeastern Alaska
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Book Synopsis Pot Shrimp Stock Assessment Survey Results from 1996-2003 in Districts 3, 7, 12, and 13 of Southeastern Alaska by : David Champlain Love
Download or read book Pot Shrimp Stock Assessment Survey Results from 1996-2003 in Districts 3, 7, 12, and 13 of Southeastern Alaska written by David Champlain Love and published by . This book was released on 2005 with total page 57 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Southeast Pot Shrimp Stock Status Prior to the 2018/19 Season by : Quinn T. Smith
Download or read book Southeast Pot Shrimp Stock Status Prior to the 2018/19 Season written by Quinn T. Smith and published by . This book was released on 2020 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt: Spot shrimp Pandalus platyceros, and to a lesser extent coonstripe shrimp P. hysinotis, are targeted by a pot fishery in Southeast Alaska. Spot shrimp are protandric hermaphrodites with fairly narrow temperature and hard-bottom habitat requirements, and there is little Alaska-specific life history information. A fixed-quota harvest strategy is employed to manage the fishery; data are reviewed annually to determine stock status and guideline harvest levels (GHLs) are set within a guideline harvest range (GHR) and targeted inseason. The upper limits of GHRs were originally set based on historical harvest levels but have since been adjusted. Management is supported by a stock assessment program that includes fishery-independent pot surveys in five of 22 management units (accounting for 57% of the 10-year average annual harvest), commercial catch sampling and logbooks, and commercial catch and effort data. Data on catch rate (survey, logbook, and commercial), shrimp size, the length at which 50% are female (L50), and estimates of harvest rate are analyzed annually. Data from the most current season are compared to established baselines and scored to designate a stock status of “good”, “above average”, “moderate”, “below average”, or “poor”. For the 22 management units in Southeast Alaska, stock status was poor in two, below average in three, moderate in five, above average in seven, and good in two. The ‘Remainder of District 12’, District 14 and District 16 management units were closed for the 2017/18 season, so no stock statuses were calculated.
Book Synopsis Southeast Pot Shrimp Stock Status Prior to the 2017/18 Season by : Quinn T. Smith
Download or read book Southeast Pot Shrimp Stock Status Prior to the 2017/18 Season written by Quinn T. Smith and published by . This book was released on 2018 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Spot shrimp Pandalus platyceros, and to a lesser extent coonstripe shrimp P. hypsinotis, are targeted by a pot fishery in Southeast Alaska. Spot shrimp are protandric hermaphrodites with fairly narrow temperature and hard-bottom habitat requirements, and there is little Alaska-specific life history information. A fixed-quota harvest strategy is employed to manage the fishery; data are reviewed annually to determine stock status and guideline harvest levels (GHLs) are set within a guideline harvest range (GHR) and targeted inseason. The upper limits of GHRs were originally set based on historical harvest levels but have since been adjusted. Management is supported by a stock assessment program which includes fishery-independent pot surveys in five of 21 management units, accounting for 57% of the 10-year average annual harvest, commercial catch sampling and logbooks, and commercial catch and effort data. Data on catch rate (survey, logbook, and commercial), shrimp size, the length at which 50% are female (L50), and estimates of harvest rate are analyzed annually. Data from the most current season are compared to established baselines and scored to designate a stock status of "good", "above average", "moderate", "below average", or "poor". For the 21 management units in Southeast Alaska, stock status was poor in three, below average in two, moderate in 11, and above average in four. The 'Remainder of District 12' unit was closed for the 2016/17 season, so no stock statuses were calculated.
Book Synopsis Development of a Management and Stock Assessment Program for the Pot Shrimp Fishery for Pandalus Platyceros in Southeastern Alaska by : Gretchen H. Bishop
Download or read book Development of a Management and Stock Assessment Program for the Pot Shrimp Fishery for Pandalus Platyceros in Southeastern Alaska written by Gretchen H. Bishop and published by . This book was released on 1999 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Improving Fish Stock Assessments by : National Research Council
Download or read book Improving Fish Stock Assessments written by National Research Council and published by National Academies Press. This book was released on 1998-02-27 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ocean harvests have plateaued worldwide and many important commercial stocks have been depleted. This has caused great concern among scientists, fishery managers, the fishing community, and the public. This book evaluates the major models used for estimating the size and structure of marine fish populations (stock assessments) and changes in populations over time. It demonstrates how problems that may occur in fisheries dataâ€"for example underreporting or changes in the likelihood that fish can be caught with a given type of gearâ€"can seriously degrade the quality of stock assessments. The volume makes recommendations for means to improve stock assessments and their use in fishery management.
Book Synopsis Molecular Genetics of Marine Mammals by : Andrew E. Dizon
Download or read book Molecular Genetics of Marine Mammals written by Andrew E. Dizon and published by . This book was released on 1997 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Food and Agriculture Organization of the United Nations Publisher :Food & Agriculture Org. ISBN 13 :9251306354 Total Pages :172 pages Book Rating :4.2/5 (513 download)
Book Synopsis Dietary assessment by : Food and Agriculture Organization of the United Nations
Download or read book Dietary assessment written by Food and Agriculture Organization of the United Nations and published by Food & Agriculture Org.. This book was released on 2018-06-11 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt: FAO provides countries with technical support to conduct nutrition assessments, in particular to build the evidence base required for countries to achieve commitments made at the Second International Conference on Nutrition (ICN2) and under the 2016-2025 UN Decade of Action on Nutrition. Such concrete evidence can only derive from precise and valid measures of what people eat and drink. There is a wide range of dietary assessment methods available to measure food and nutrient intakes (expressed as energy insufficiency, diet quality and food patterns etc.) in diet and nutrition surveys, in impact surveys, and in monitoring and evaluation. Differenct indicators can be selected according to a study's objectives, sample population, costs and required precision. In low capacity settings, a number of other issues should be considered (e.g. availability of food composition tables, cultural and community specific issues, such as intra-household distribution of foods and eating from shared plates, etc.). This manual aims to signpost for the users the best way to measure food and nutrient intakes and to enhance their understanding of the key features, strengths and limitations of various methods. It also highlights a number of common methodological considerations involved in the selection process. Target audience comprises of individuals (policy-makers, programme managers, educators, health professionals including dietitians and nutritionists, field workers and researchers) involved in national surveys, programme planning and monitoring and evaluation in low capacity settings, as well as those in charge of knowledge brokering for policy-making.
Book Synopsis Final recovery plan for the steller sea lion (Eumetopias jubatus) by :
Download or read book Final recovery plan for the steller sea lion (Eumetopias jubatus) written by and published by . This book was released on 1994 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Discards in the World's Marine Fisheries by : Kieran Kelleher
Download or read book Discards in the World's Marine Fisheries written by Kieran Kelleher and published by Food & Agriculture Org.. This book was released on 2005 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt: This publication gives an updated review of the quantity of discards in the world's marine fisheries, using information from a broad range of fisheries in all continents. A number of policy issues are discussed including a 'no discards' approach to fisheries management, the need for balance between bycatch reduction and bycatch utilisation initiatives, and concerns arising from incidental catches of marine mammals, birds and reptiles. The report also highlights the need for more robust methods of estimating discards, and the development of bycatch management plans.
Author :Food and Agriculture Organization of the United Nations Publisher :Food & Agriculture Org. ISBN 13 :9251306079 Total Pages :654 pages Book Rating :4.2/5 (513 download)
Book Synopsis Impacts of climate change on fisheries and aquaculture by : Food and Agriculture Organization of the United Nations
Download or read book Impacts of climate change on fisheries and aquaculture written by Food and Agriculture Organization of the United Nations and published by Food & Agriculture Org.. This book was released on 2019-01-06 with total page 654 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report indicates that climate change will significantly affect the availability and trade of fish products, especially for those countries most dependent on the sector, and calls for effective adaptation and mitigation actions encompassing food production.
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 Global Study of Shrimp Fisheries by : R. Gillett
Download or read book Global Study of Shrimp Fisheries written by R. Gillett and published by Fao Fisheries and Aquaculture. This book was released on 2008 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt: Shrimp is now the most valuable internationally traded fishery commodities. This report summarizes the results of an FAO commissioned global study focusing on social, economic and environmental impacts, and also contains studies representative of various geographic regions and of a variety of important shrimp fishery conditions: Australia, Cambodia, Indonesia, Kuwait, Madagascar, Mexico, Nigeria, Norway, Trinidad and Tobago and the United States of America.--Publisher's description.
Author :Intergovernmental Panel on Climate Change (IPCC) Publisher :Cambridge University Press ISBN 13 :9781009157971 Total Pages :755 pages Book Rating :4.1/5 (579 download)
Book Synopsis The Ocean and Cryosphere in a Changing Climate by : Intergovernmental Panel on Climate Change (IPCC)
Download or read book The Ocean and Cryosphere in a Changing Climate written by Intergovernmental Panel on Climate Change (IPCC) and published by Cambridge University Press. This book was released on 2022-04-30 with total page 755 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Intergovernmental Panel on Climate Change (IPCC) is the leading international body for assessing the science related to climate change. It provides policymakers with regular assessments of the scientific basis of human-induced climate change, its impacts and future risks, and options for adaptation and mitigation. This IPCC Special Report on the Ocean and Cryosphere in a Changing Climate is the most comprehensive and up-to-date assessment of the observed and projected changes to the ocean and cryosphere and their associated impacts and risks, with a focus on resilience, risk management response options, and adaptation measures, considering both their potential and limitations. It brings together knowledge on physical and biogeochemical changes, the interplay with ecosystem changes, and the implications for human communities. It serves policymakers, decision makers, stakeholders, and all interested parties with unbiased, up-to-date, policy-relevant information. This title is also available as Open Access on Cambridge Core.
Book Synopsis Marine Mammals and the Exxon Valdez by : Thomas R. Loughlin
Download or read book Marine Mammals and the Exxon Valdez written by Thomas R. Loughlin and published by . This book was released on 1994 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt: The oil spill disaster that occurred when the Exxon Valdez ran aground has become part of the iconography of ecological disaster. This book synthesizes confidential data, recently released by the US government, concerning the effects of this spill on marine mammals (ie. sea otters, harbour seals, killer whales and humpback whales). Many of the contributors were on site within 24 hours of the spill and their results establish a baseline worst case scenario. These data should assist marine biologists, pathologists, toxicologists, environmentatlists, engineers, and coastal planners in assessing the nature of this disaster.
Download or read book Marine Recreational Fisheries written by and published by . This book was released on 1994 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Global Otter Conservation Strategy by : Nicole Duplaix
Download or read book Global Otter Conservation Strategy written by Nicole Duplaix and published by . This book was released on 2018-11 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ecosystems and Human Well-being by : Joseph Alcamo
Download or read book Ecosystems and Human Well-being written by Joseph Alcamo and published by . This book was released on 2003 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ecosystems and Human Well-Being is the first product of the Millennium Ecosystem Assessment, a four-year international work program designed to meet the needs of decisionmakers for scientific information on the links between ecosystem change and human well-being. The book offers an overview of the project, describing the conceptual framework that is being used, defining its scope, and providing a baseline of understanding that all participants need to move forward. The Millennium Assessment focuses on how humans have altered ecosystems, and how changes in ecosystem services have affected human well-being, how ecosystem changes may affect people in future decades, and what types of responses can be adopted at local, national, or global scales to improve ecosystem management and thereby contribute to human well-being and poverty alleviation. The program was launched by United National Secretary-General Kofi Annan in June 2001, and the primary assessment reports will be released by Island Press in 2005. Leading scientists from more than 100 nations are conducting the assessment, which can aid countries, regions, or companies by: providing a clear, scientific picture of the current sta
