Age Determination Of Elasmobranchs With Special Reference To Mediterranean Species
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Age Determination Of Elasmobranchs With Special Reference To Mediterranean Species
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Author : Steven E. Campana
language : en
Publisher: Food & Agriculture Organization of the UN (FAO)
Release Date : 2014
Age Determination Of Elasmobranchs With Special Reference To Mediterranean Species written by Steven E. Campana and has been published by Food & Agriculture Organization of the UN (FAO) this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with Chondrichthyes categories.
Age information is an essential component in growth rate, mortality rate and productivity calculations, hence it is classified among the most influential of biological variables. In this manual, the most recognized age determination methods for elasmobranchs have been brought together so as to provide a detailed and hands-on guide to successful and validated methods for ageing sharks, skates and rays. Particular emphasis is given to vertebral sections and image analysis techniques as applied to elasmobranch species from the Mediterranean Sea, suited to both novice and experienced age readers.
Handbook On Fish Age Determination A Mediterranean Experience
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Author : Food and Agriculture Organization of the United Nations
language : en
Publisher: Food & Agriculture Org.
Release Date : 2019-05-31
Handbook On Fish Age Determination A Mediterranean Experience written by Food and Agriculture Organization of the United Nations and has been published by Food & Agriculture Org. this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-05-31 with Technology & Engineering categories.
This handbook provides guidance on methods for use in fish ageing studies. Fish age, among other biological parameters, is one of the most relevant pieces of data to attain sustainable exploitation levels of fishery resources. Indeed, most analytical methods used in stock assessment require knowledge of demographic structure according to age of stocks, as well as to recruitment, growth, maturity, natural mortality, etc., which are strictly linked to information on age and age structure. The handbook was put together to deal with identified gaps – which affect both the precision and the accuracy of estimations – regarding ageing schemes, criteria and methodologies used in preparing calcified structures. It focuses on the general principles that underpin age analysis (assignment of birth date, preparation methods, aging scheme reading and identification of true and false rings). Crucially, it aims to contribute to the establishment of common analysis methods, which can enable better calibration across the diverse institutes involved, thereby improving the quality and reliability of results.
Northeast Pacific Shark Biology Research And Conservation
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Author :
language : en
Publisher: Academic Press
Release Date : 2017-09-04
Northeast Pacific Shark Biology Research And Conservation 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 2017-09-04 with Science categories.
Northeast Pacific Shark Biology, Research and Conservation, Part A, Volume 77 highlights the biological attributes of, and the conservation efforts targeted at, populations of vulnerable sharks in the Northeastern Pacific Ocean bordering the west coast of the United States, one of the most economically and ecologically important oceanic regions in the world. Updates in this new volume include chapters on Biodiversity, Conservation and Life History of Northeastern Pacific Chondrichthyans, a Review of current genetic analyses of Northeast Pacific sharks and conservation implications, and a section on the Trophodynamics and ecological impacts of eastern North Pacific sharks. Brings together subject experts on all aspects of shark biology, ecology, fishery management and conservation Summarizes current knowledge Focuses scientific attention on key issues embedded in the concept of shark conservation, both from a species and an ecosystem perspective
Studies And Reviews
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Author :
language : en
Publisher:
Release Date : 2014
Studies And Reviews written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with Fisheries categories.
Elasmobranchs Of The Mediterranean And Black Sea
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Author : Mohamed Nejmeddine Bradai
language : en
Publisher: Food & Agriculture Organization of the UN (FAO)
Release Date : 2012
Elasmobranchs Of The Mediterranean And Black Sea written by Mohamed Nejmeddine Bradai and has been published by Food & Agriculture Organization of the UN (FAO) this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with Nature categories.
In many fisheries they are, however, often landed and marketed.
Report Of The Session
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Author : General Fisheries Commission for the Mediterranean (Food and Agriculture Organization of the United Nations)
language : en
Publisher:
Release Date : 2014
Report Of The Session written by General Fisheries Commission for the Mediterranean (Food and Agriculture Organization of the United Nations) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with Fisheries categories.
Rapport De La Quinzi Session Du Comit Scientifique Consultatif
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Author : General Fisheries Commission for the Mediterranean (Food and Agriculture Organization of the United Nations). Scientific Advisory Committee. Session
language : en
Publisher: Fao Fisheries and Aquaculture
Release Date : 2014
Rapport De La Quinzi Session Du Comit Scientifique Consultatif written by General Fisheries Commission for the Mediterranean (Food and Agriculture Organization of the United Nations). Scientific Advisory Committee. Session and has been published by Fao Fisheries and Aquaculture this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with Technology & Engineering categories.
The scientific Advisory Committee (SAC) of the General Fisheries Commission for the Mediterranean (GFCM) held its fifteen session in Rome, from 8 to 11 April 2013. The Committee reviewed the issues addressed at the eight technical meetings, including the four sessions of its subcommittees, and at the workshops held during the 2012-2013 intersession.
Fao Fisheries And Aquaculture Report
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Author :
language : en
Publisher:
Release Date : 2008
Fao Fisheries And Aquaculture Report written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Aquaculture categories.
General Fisheries Commission For The Mediterranean Report Of The Twenty Second Session Of The Scientific Advisory Committee On Fisheries Online 22 25 June 2021
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Author : Food and Agriculture Organization of the United Nations
language : en
Publisher: Food & Agriculture Org.
Release Date : 2021-12-29
General Fisheries Commission For The Mediterranean Report Of The Twenty Second Session Of The Scientific Advisory Committee On Fisheries Online 22 25 June 2021 written by Food and Agriculture Organization of the United Nations and has been published by Food & Agriculture Org. this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-12-29 with Nature categories.
The Scientific Advisory Committee on Fisheries (SAC) of the General Fisheries Commission for the Mediterranean (GFCM) held its twenty-second session online, from 22 to 25 June 2021. The session was attended by delegates from 19 Mediterranean contracting parties, 11 observers, as well as representatives of the Food and Agriculture Organization of the United Nations (FAO) Fisheries Division, the GFCM Secretariat and invited experts. The Committee reviewed the work carried out during the 2019–2021 intersession, including within the framework of the mid-term strategy (2017–2020) towards the sustainability of Mediterranean and Black Sea fisheries and in light of the COVID-19 pandemic, and provided advice on status of priority stocks and ecosystems and on potential management measures addressing key fisheries and vulnerable species in the Mediterranean. In line with the subregional approach, the Committee formulated advice focusing on: i) small pelagic and priority demersal fisheries in the Adriatic Sea; ii) common dolphinfish and blackspot seabream fisheries in the western Mediterranean; iii) small pelagic and bottom trawl fisheries exploiting demersal stocks, particularly European hake, in the central Mediterranean; iv) deep-water red shrimp fisheries in the eastern-central Mediterranean, including their interactions with vulnerable marine ecosystems; and v) round sardinella in the eastern Mediterranean. The Committee also agreed on the technical soundness of three FRA proposals for the Bari Canyon, the Ebro Delta margin and the Palmahim Disturbance, to be submitted to the Commission. At the regional level, the Committee provided advice on the following: i) fishing technology and bycatch, including minimal technical specifications for bottom-trawl nets and the need for targeted pilot projects to investigate possible mitigation measures; ii) data call for the database on sensitive benthic habitats and species and other effective area-based conservation measures for the protection of vulnerable marine ecosystems and essential fish habitats; and iii) advances in the adaptation strategy for climate change. Furthermore, the Committee discussed additional work in support of the GFCM, namely the implementation of the Regional Plan of Action for Small-Scale Fisheries in the Mediterranean and the Black Sea, dedicated research programmes as well as other activities to enhance fisheries management in the region. Finally, the Committee agreed upon its work plan for 2021–2023.
Management Techniques For Elasmobranch Fisheries
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Author : Food and Agriculture Organization of the United Nations
language : en
Publisher: Food & Agriculture Org.
Release Date : 2005
Management Techniques For Elasmobranch Fisheries written by Food and Agriculture Organization of the United Nations and has been published by Food & Agriculture Org. this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Business & Economics categories.
Elasmobranch - describes a group of fish without a hard bony skeleton, including sharks, skates, and rays.