Field Identification Guide to the Sharks and Rays of the Mediterranean and Black Sea - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Field Identification Guide to the Sharks and Rays of the Mediterranean and Black Sea write by Fabrizio Serena. This book was released on 2005. Field Identification Guide to the Sharks and Rays of the Mediterranean and Black Sea available in PDF, EPUB and Kindle. This volume presents a fully illustrated field guide for the identification of the sharks and rays most relevant to the fisheries of the Mediterranean and Black Sea. An extensive literature review was carried out for the preparation of this document. A total of 49 sharks, 34 batoids and 1 chimaera are fully treated. The presence of 5 sharks and 2 batoids included in this field guide, need, however, to be confirmed. The guide includes sections on technical terms and measurements for sharks and batoids, and fully illustrated keys to those orders and families that occur in the region. Each species account includes: at least one annotated illustration of the species highlighting its relevant identification characters; basic information on nomenclature, synonyms and possible misidentifications; FAO common names; basic information on size, habitat and biology, distribution, importance to fisheries, and conservation and exploitation status.
Field Identification Guide to the Sharks and Rays of the Red Sea and Gulf of Aden
Field Identification Guide to the Sharks and Rays of the Red Sea and Gulf of Aden - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Field Identification Guide to the Sharks and Rays of the Red Sea and Gulf of Aden write by Ramón Bonfil. This book was released on 2004. Field Identification Guide to the Sharks and Rays of the Red Sea and Gulf of Aden available in PDF, EPUB and Kindle. This volume presents a fully illustrated field guide for the identification of the sharks and rays most relevant to the fisheries of the Red Sea and Gulf of Aden. An extensive literature review and two field surveys in the region were carried out for the preparation of this document. A total of 49 sharks and 45 batoids reliably reported for the region are listed and those common in the fisheries or likely to be found through fisheries operations are fully treated. The guide includes sections on technical terms and measurements for sharks and batoids, and fully illustrated keys to those orders and families that occur in the region. Color plates for a large number of the species are included.
Sharks, rays and chimaeras in Mediterranean and Black Seas
Sharks, rays and chimaeras in Mediterranean and Black Seas - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Sharks, rays and chimaeras in Mediterranean and Black Seas write by Barone, M., Mazzoldi, C., Serena, F.. This book was released on 2022-08-01. Sharks, rays and chimaeras in Mediterranean and Black Seas available in PDF, EPUB and Kindle. This guide contains the illustrated key to orders, families, genera and species to the Chondrichthyes of the Mediterranean and Black Seas (FAO fishing area 37), currently represented by 38 sharks, 48 batoids and 2 chimaeras. The species are described following the taxonomic order and are grouped in functional groups. Near the illustration of each species, the relevant diagnostic features are complemented by a set of icons representing the management measures and the data collection requirements as per existing GFCM recommendations. The technical terms and the minimum standard measurements are provided as annexes.
Incidental catch of vulnerable species in Mediterranean and Black Sea fisheries – A review
Incidental catch of vulnerable species in Mediterranean and Black Sea fisheries – A review - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Incidental catch of vulnerable species in Mediterranean and Black Sea fisheries – A review write by Carpentieri, P., Nastasi, A., Sessa, M., Srour, A. (eds.). This book was released on 2021-06-28. Incidental catch of vulnerable species in Mediterranean and Black Sea fisheries – A review available in PDF, EPUB and Kindle. Bycatch – a term widely used to refer to part of the catch unintentionally caught during a fishing operation, in addition to target species, and consisting of the discards and incidental catch of vulnerable species – is considered one of the most important threats to the profitability and sustainability of fisheries, as well as to the conservation of the marine environment and ecosystems. Understanding the bycatch issue and adopting effective measures in order to reduce bycatch rates are essential steps towards minimizing the impacts on vulnerable species and ensuring both a sustainable fisheries sector and healthy seas. In the Mediterranean and the Black Sea, the incidental catch of vulnerable species – namely seabirds, sea turtles, elasmobranchs, marine mammals and macrobenthic invertebrates – represents one of several challenges for the industrial, semi-industrial and small-scale fisheries that coexist in the region, as well as for the diverse and sensitive ecosystems impacted. Typically, data on this issue have been collected in an opportunistic manner and in ways that make comparisons difficult. The annual absolute values of incidental catch of vulnerable species are not available: studies cover only a small portion of the total fishing activity and often present important knowledge gaps for many types of fishing gear, countries and/or subregions, as well as on temporal scales, for example, to establish reliable baselines. The result is that little is known of the scope of the problem, despite incidental catch being a significant pressure on the populations of vulnerable species, as well as a concern for fishers.This regional review is an attempt to compile, in one single document, all available data and historical records on the incidental catch of vulnerable species in the Mediterranean and Black Sea fisheries, obtained from existing literature, databases and other grey sources, and collated in a standardized and comparable way. The main objective is to provide comprehensive baseline information, earmark the main data gaps, as well as identify the most impacting types of fishing gear by taxonomic group. This work is a reminder of the importance of standardized data collection and the need to have baseline information in order to support decision-making in the identification of appropriate bycatch mitigation techniques, thus enabling analysis of their effectiveness and comparison over time and space, as well as facilitating the implementation of relevant conservation and/or management measures at the national, subregional and regional levels.
Selected Studies in Biodiversity
Selected Studies in Biodiversity - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Selected Studies in Biodiversity write by Bülent Şen. This book was released on 2018-06-20. Selected Studies in Biodiversity available in PDF, EPUB and Kindle. The present book offers an overall up-to-date overview of the biological diversity, comprising many interesting chapters focussing on the different aspects of biodiversity. Most of the chapters include findings of investigations and observations on biodiversity, whilst a few are based on statistically and theoretically derived information. The book produced sufficient information on the occurrence and distribution of many plant and animal species or groups of organisms with environmental estimates from a wide variety of interesting terrestrial and aquatic habitats. With 18 interesting and elaborately prepared chapters, the present book would definitely be an ideal source of scientific information to the advanced students, junior researchers, scientists and a portion of the public involved in ecology and other research areas involving biodiversity studies. It will also help to the development of the growing awareness of the close linkage between the conversation of biodiversity and economic development.
