Shallow-water Holothuroidea (Echinodermata) from Kenya and Pemba Island, Tanzania PDF Download
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Author: Yves Samyn
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 168
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Book Description
Holothuroidea, commonly known as sea cucumbers, make up one of the five extant classes of echinoderms. As a highly successful group these animals have colonized the whole marine realm, from the intertidal zone to the deep ocean trenches and from the poles to the tropics. So far some 1600 species have been described worldwide. However, notwithstanding the fact that in the past two centuries many notable naturalists have turned their attention to the holothuroid fauna of the Indo-Pacific, the shallow-water (up to 50m depth) holothuroid fauna of Kenya was only known from a few publications, while that of Pemba Island (Tanzania) has never been the subject of any study. In order to rectify this situation, several sampling trips to Kenya and Pemba Island have been organized in recent years. These expeditions resulted in an important reference collection that enabled us to recognize new taxa, to add new records to the local fauna, and to clarify some long-standing systematic uncertainties.
Author: Yves Samyn
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 168
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Book Description
Holothuroidea, commonly known as sea cucumbers, make up one of the five extant classes of echinoderms. As a highly successful group these animals have colonized the whole marine realm, from the intertidal zone to the deep ocean trenches and from the poles to the tropics. So far some 1600 species have been described worldwide. However, notwithstanding the fact that in the past two centuries many notable naturalists have turned their attention to the holothuroid fauna of the Indo-Pacific, the shallow-water (up to 50m depth) holothuroid fauna of Kenya was only known from a few publications, while that of Pemba Island (Tanzania) has never been the subject of any study. In order to rectify this situation, several sampling trips to Kenya and Pemba Island have been organized in recent years. These expeditions resulted in an important reference collection that enabled us to recognize new taxa, to add new records to the local fauna, and to clarify some long-standing systematic uncertainties.
Author: Yves Samyn
Publisher:
ISBN: 9789075894547
Category : Science
Languages : en
Pages : 168
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Book Description
Holothuroidea, commonly known as sea cucumbers, make up one of the five extant classes of echinoderms. As a highly successful group these animals have colonized the whole marine realm, from the intertidal zone to the deep ocean trenches and from the poles to the tropics. So far some 1600 species have been described worldwide. However, notwithstanding the fact that in the past two centuries many notable naturalists have turned their attention to the holothuroid fauna of the Indo-Pacific, the shallow-water (up to 50m depth) holothuroid fauna of Kenya was only known from a few publications, while that of Pemba Island (Tanzania) has never been the subject of any study. In order to rectify this situation, several sampling trips to Kenya and Pemba Island have been organized in recent years. These expeditions resulted in an important reference collection that enabled us to recognize new taxa, to add new records to the local fauna, and to clarify some long-standing systematic uncertainties.
Author: Timothy O'Hara
Publisher: CSIRO PUBLISHING
ISBN: 1486307639
Category : Science
Languages : en
Pages : 633
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Book Description
Echinoderms, including feather stars, seastars, brittle stars, sea urchins and sea cucumbers, are some of the most beautiful and interesting animals in the sea. They play an important ecological role and several species of sea urchins and sea cucumbers form the basis of important fisheries. Over 1000 species live in Australian waters, from the shoreline to the depths of the abyssal plain and the tropics to Antarctic waters. Australian Echinoderms is an authoritative account of Australia’s 110 families of echinoderms. It brings together in a single volume comprehensive information on the identification, biology, evolution, ecology and management of these animals for the first time. Richly illustrated with beautiful photographs and written in an accessible style, Australian Echinoderms suits the needs of marine enthusiasts, academics and fisheries managers both in Australia and other geographical areas where echinoderms are studied.
Author: Purcell, S.W.
Publisher: Food & Agriculture Org.
ISBN: 9251377936
Category : Technology & Engineering
Languages : en
Pages : 256
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Book Description
Sea cucumbers are harvested and traded in more than 90 countries worldwide. They are exploited in industrial and small-scale fisheries, nearly from pole to pole, especially in the tropics. In some fisheries, more than 20 species are exploited by fishers. Fishers in general know how to distinguish the species they harvest, often identifying them with local names. For fishery officers and even biologists, recognizing sea cucumber species remains daunting however as they are confronted only with the final product: bêche-de-mer (or trepang) which is the processed (cooked and dried) product. This field guide offers a tool for fishery managers, scientists, trade officers and industry workers to recognize live and processed (cooked and dried) animals. This animal resource is mainly exported to Asian markets where it is sold mainly, but not exclusively, as a luxury food item. This book provides identification information on 84 species of sea cucumbers that are commonly or opportunistically (as bycatch) exploited around the world. The list is certainly not all-encompassing, as some other sea cucumber species are also exploited. More scientific data and accounts are needed for species from some regions such as the Eastern Atlantic Ocean. The accounts are based on more than 270 reports and research articles and on comments and reviews by taxonomists and field workers. Two-page identification sheets provide selected information to enable similar species to be distinguished from each other, both in the live and processed (dried) forms. Where available, the following information for each species has been included: scientific and known common names used in different countries and regions; scientific illustrations of the body and ossicles; descriptions of ossicles present in different body parts; a colour photograph of live and dried specimens; basic information on size, habitat, biology, fisheries, human consumption, market value and trade; geographic distribution maps. The volume is fully indexed and contains an introduction, a glossary, simplified dichotomous keys to live animals and dried products and a dedicated bibliography. Readers are encouraged to base their identifications on a combination of morphological features, samples of ossicles from different body parts and information on what habitat and locality the species was found.
Author: Thomas Heinzeller
Publisher: Taylor & Francis
ISBN: 1134218796
Category : Science
Languages : en
Pages : 661
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Book Description
Since 1972, scientists from all over the world working on fundamental questions of echinoderm biology and palaeontology have conferred every three years to exchange current views and results. The 11th International Echinoderm Conference held at the University of Munich, Germany, from 6-10 October 2003,continued this tradition. This volume
Author: Nyawira Muthiga
Publisher:
ISBN:
Category : Trepang fisheries
Languages : en
Pages : 84
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Book Description
Author: Frank Wiese
Publisher: Göttingen University Press
ISBN: 3863951654
Category :
Languages : en
Pages : 201
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Book Description
This volume contains papers presented in part at a symposium held in May 2012 at Göttingen University, to honour Professor Joachim Reitner for his numerous contributions to the fields of geobiology, geology, and palaeontology. Our present volume reflects the breadth of Reitner’s interests and accomplishement with tributes and research or review papers by his students, former students, collaborators, and friends. The symposium was held in conjunction with Joachim Reitner’s 60th birthday.
Author:
Publisher:
ISBN:
Category : Biology
Languages : en
Pages : 450
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Book Description
Author: Food and Agriculture Organization of the United Nations
Publisher: Fao Fisheries and Aquaculture
ISBN:
Category : Business & Economics
Languages : en
Pages : 340
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Book Description
Reviews the worldwide population status, fishery, trade and management of sea cucumbers in five regions: temperate areas of the Northern Hemisphere; Latin America and the Caribbean; Africa and the Indian Ocean; Asia; and the Western Central Pacific. Together, the case studies provide a comprehensive and up-to-date evaluation of the global status of sea cucumbers.
Author:
Publisher:
ISBN:
Category : Marine biology
Languages : en
Pages : 792
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Book Description
