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Author: Publisher: ISBN: 9781921962547 Category : Electronic books Languages : en Pages : 44
Book Description
"This manual provides practical guidelines for those engaged in the nursery culture of groupers in Indonesia as well as elsewhere in the tropics. The nursery phase is an intermediate step between hatchery production of seed and stocking of grow-out farms. It involves growing delicate juvenile fish of 2–3 cm long through to physically robust animals of 5–10 cm long. The manual provides information on husbandry of groupers in the nursery phase, to reduce losses due to disease and cannibalism, and thus to increase the profitability of grouper nursing"--Publisher's site.
Author: Publisher: ISBN: 9781921962547 Category : Electronic books Languages : en Pages : 44
Book Description
"This manual provides practical guidelines for those engaged in the nursery culture of groupers in Indonesia as well as elsewhere in the tropics. The nursery phase is an intermediate step between hatchery production of seed and stocking of grow-out farms. It involves growing delicate juvenile fish of 2–3 cm long through to physically robust animals of 5–10 cm long. The manual provides information on husbandry of groupers in the nursery phase, to reduce losses due to disease and cannibalism, and thus to increase the profitability of grouper nursing"--Publisher's site.
Author: Fabiana Cézar Félix-Hackradt Publisher: CRC Press ISBN: 1351645153 Category : Nature Languages : en Pages : 296
Book Description
Groupers are fascinating charismatic fishes commonly found in reef habitats around the world that sustain a global multimillionaire fishery. They are an important top predator species and therefore of paramount ecological importance for reef systems' resilience. The book, Biology and Ecology of Groupers is an up-to-date review of the main bio-ecological topics involving worldwide groupers species oriented to the academic community and managers. It covers aspects of classification and phylogenetic relationships, geographical distribution, and life history related characteristics (Section I), including the major threats of groupers populations, case studies of successful management and comments about the future of groupers in our changing world (Section II).
Author: Publisher: Woodhead Publishing ISBN: 0081005075 Category : Technology & Engineering Languages : en Pages : 433
Book Description
Feed and fertilizer are significant costs in aquaculture operations and play an important role in the successful production of fish and other seafood for human consumption. This book reviews the key properties of feeds, advances in feed formulation and ingredient choices and the practicalities of feeding systems and strategies. Feed and Feeding Practices in Aquaculture provides an authoritative and comprehensive coverage of the topic and is an essential guide for nutritionists, farm owners and technicians in aquaculture, as well as those working in R&D in the feed production industry and academics/postgraduate students with an interest in the area. Reviews the key properties of aquafeed, advances in feed formulation and manufacturing techniques, and the practicalities of feeding systems and strategies Provides an overview of feed and fertilizer in aquaculture Covers feeding strategies and related issues in different areas of aquaculture
Author: Yvonne Sadovy de Mitcheson Publisher: Springer Science & Business Media ISBN: 9400719795 Category : Science Languages : en Pages : 639
Book Description
Reef fish spawning aggregations, ranging from small groups to many tens of thousands of individuals, are spectacular but poorly known natural phenomena whereby fish assemble at specific times and locations to spawn. For some species these large groups may be the only form of reproduction, the high fish numbers briefly giving a false impression of stability and abundance—an ‘illusion of plenty’. They are often a focus for intensive seasonal fishing because of their predictability and because many important commercial fishes form them. Highly vulnerable to overexploitation, many aggregations and their associated fisheries, have disappeared or are in decline. Few are effectively managed or incorporated into protected areas. Aggregations are not well understood by fishery scientists, managers and conservationists and their significance little appreciated by fishers or the wider public. To ensure their persistence to replenish important fisheries in coral ecosystems, maintain their ecosystem function and continue to delight divers, a significant change in perspective is needed to foster protection and management. This book provides comprehensive and practical coverage of the biology, study and management of reef fish aggregations, exploring their how, when, where, and why. It explores ways to better protect, study, manage and conserve them, while identifying key data gaps and questions. The text is extensively illustrated with many unique, never before published, photographs and graphics. Case studies on over 20 interesting and important fishes are included, outlining their biology and fisheries and highlighting major concerns and challenges.
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Author: Fabiana Cézar Félix-Hackradt
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Author: Yvonne Sadovy de Mitcheson
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Author: United States. Office of the Assistant Secretary of the Army (Civil Works)