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Author: K. C. Jayaram
Publisher:
ISBN:
Category : Catfishes
Languages : en
Pages : 426
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Book Description
Author: K. C. Jayaram
Publisher:
ISBN:
Category : Catfishes
Languages : en
Pages : 426
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Book Description
Author: Food and Agriculture Organization of the United Nations
Publisher:
ISBN:
Category : Catfishes
Languages : en
Pages : 52
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Book Description
Author: Deborah T. Hanfman
Publisher:
ISBN:
Category : Catfishes
Languages : en
Pages : 22
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Book Description
Author: Food and Agriculture Organization of the United Nations
Publisher: Food & Agriculture Org. [Author] [Author]
ISBN: 9251387613
Category : Technology & Engineering
Languages : en
Pages : 192
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Book Description
India has abundant water resources including rivers, canals, ponds, lakes, reservoirs, upland lakes, and floodplain wetlands covering over 5. [Author]8 percent of the country. [Author] These environments harbour a rich fish fauna of 1 035 species that constitutes the basis for the inland fisheries sector, which annually produces 2 144 452 tonnes of fish – if enhanced and culture-based fisheries are included – corresponding to 21 percent of total fish production. [Author] Rivers like the Ganga, Brahmaputra, and Barak, alongside floodplain wetlands, play crucial roles, especially in the east and northeast. [Author] Lakes are abundant in upland areas. [Author] Reservoirs cover over 1 percent of India's land and hold untapped potential for fisheries development. [Author] Traditionally, fishing in inland water bodies has been a small-scale or subsistence activity. [Author] Fishing practices, crafts and gear used in inland fisheries are still traditional. [Author] Cooperative societies are present in reservoirs and wetlands giving fishers better bargaining power with traders and better prices for the fish. [Author] Inland fisheries are imperative for poverty alleviation, food security, gender empowerment, cultural services, ecosystem function, and biodiversity, and are important for achieving the Sustainable Development Goals. [Author] Important threats to inland fisheries include water scarcity, habitat loss, pollution, climate change and invasive species. [Author] However, several major river conservation programmes have been initiated. [Author] The collection of inland fishery catch statistics remains weak and production appears to be significantly under-reported in many states. [Author] A simplified method for defining water bodies and estimating catch is proposed and all States have been advised to follow the same definition for water bodies. [Author]
Author: Waikhom Vishwanath
Publisher: Academic Press
ISBN: 0128236086
Category : Medical
Languages : en
Pages : 431
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Book Description
Freshwater Fishes of the Eastern Himalayas provides a guide to describe the internationally accepted methods used in the accurate identification of fishes, morphometry, i.e., body proportions, meristics, i.e., counts of countable characters, viz., scales, fin rays, pores, vertebrae etc., characters of bones wherever necessary, special characters, viz., serrations of fin spines, axillary lobes, lobes, color patterns, etc. All the available taxa of the region are covered, making this an essential reference that provides the original description of genera and species. Diagnostic characters in the book can be easily examined by an unaided eye or by a binocular dissecting microscope with transmitted light. - Provides diagnostic characters which are unique for a species or a combination of characters to differentiate each species from its congeners - Includes both verbal and technical aspects, along with color illustrations of the particular part of the fish showing the distinguishing character - Presents diagnostic characters, illustrations or images of the fish and of its parts, showing the unique character and distribution to make it easy for species identification
Author: G. H. Jennings
Publisher: Calypso Publications
ISBN: 9780906301579
Category : Fishes
Languages : en
Pages : 218
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Author: Ramasamy Santhanam
Publisher: CRC Press
ISBN: 100090721X
Category : Nature
Languages : en
Pages : 231
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Book Description
Here is a first-of-its-kind volume on the biology and ecology of venomous and traumatogenic freshwater and marine catfishes. This comprehensive volume first provides an introduction to venomous catfish families and then goes on to describe and explain their diversity, species, characteristics, geographical distribution, venomous symptoms, ecology, and the pharmaceutical value of catfish venoms. Catfish form an important group of fishes with many different roles, including as food, as ornamental fishes, and for sport fishing. Catfish are found to be distributed worldwide but are most abundantly distributed in the tropics of Asia, Africa, and South America. Like jellyfish, scorpions, and snakes, several species of catfish have been reported to be venomous with their painful stings. The major groups of persons at risk for catfish envenomation are fishermen and water sports participants. It is estimated that 1625 species of catfish are venomous although this has been studied for only 158 species. While some species of catfish cause mild envenomation, several species have been reported to cause severe envenomation associated with secondary bacterial infections. The symptoms related to catfish envenomation include local intense pain, edema, erythema, paleness, and cutaneous necrosis. Notable species of catfish causing serious envenomations include the Arabian Gulf catfish (Arius thalassinus), Carolina madtom (Noturus furiosus), and Oriental catfish (Plotosus lineatus). Providing extensive information, this volume serves as a text and reference for students and researchers of several disciplines, such as marine biology, fisheries science, and aquatic biology; as a guide for physicians and environmentalists; and as a valuable reference book for marine libraries of colleges and universities.
Author: Debajit Sarma
Publisher: Springer Nature
ISBN: 9819717906
Category :
Languages : en
Pages : 503
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Book Description
Author: Library of Congress
Publisher:
ISBN:
Category : Subject headings, Library of Congress
Languages : en
Pages : 2022
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Author: Library of Congress. Cataloging Policy and Support Office
Publisher:
ISBN:
Category : Subject headings, Library of Congress
Languages : en
Pages : 1820
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Book Description
