This edition includes a chapter on water quality plus the latest findings in yabby farming. It provides a grounding in the basic principles of aquaculture and reflects the considerable advances in aquaculture technology over the last few years. Here is the basic information on the yabby, its habitat, its health and nutrition requirements. The book covers pond management, production systems, equipment, harvesting, post-harvest handling, and marketing of the end product. It includes sections on the farming of those other freshwater crayfish, the redclaw and the marron, and contains a number of useful appendices. Author John Mosig shares his experience of nearly 20 years, giving budding yabby farmers an insight into how they can run a yabby venture while developing their own aquaculture skills and gaining experience in fish husbandry. Practising crayfish farmers might find out how they too can do some things better.
A practical guide for people in the aquaculture industry and for those about to enter it. It covers aquaculture industries and provides practical skills that should allow people to solve everyday problems in the day-to-day management of aquatic stock.
Crustacean Farming: Ranching and Culture, Second edition. John F. Wickins and Daniel O'C Lee. The second edition of an extremely well-received book, Crustacean Farming, deals with all cultivated crustaceans of commercial significance, shrimp, prawns, crayfish, lobsters, crabs, and spiny lobsters, and examines the criteria by which both the feasibility and desirability of farming proposals are assessed. The characteristics and production methods of farmed and candidate crustacean species are described in sufficient detail to enable areas of profitable involvement to be distinguished form other opportunities presenting only very high risks and possibilities for serious loss. Coverage extends right from broodstock acquisition and management through to the operation of hatcheries, nurseries and on-growing units to key aspects of processing and marketing. New to this second edition are ranching and re-stocking operations together with the culture of ornamental shrimp and small crustaceans used as live food in fish and shellfish hatcheries. The sections on crustacean diseases, genetics and nutrition have been extended in the light of recent research advances. Examples of investment and operating costs of the different culture options are compared and an analysis of current trends in world crustacean markets is presented to assist in economic and financial appraisal. Special consideration is given to the place of crustacean farming within the economics of developing nations in relation to social and environmental impact in order to promote awareness of the wider implications of global developments. The consequences of recent research and technical developments are considered, together with concerns over genetic and animal welfare issues. Specific areas where further advances in technology are needed to improve the reliability or productivity of farming systems are highlighted. This important book is a vital tool and reference work for all those involved with crustacean farming worldwide.
This guide is designed to provide a simple means of identifying the main groups of protoza found in aquacultre ponds through photographs and drawings. This is supplemented with information on the likely effects of protoza on water quality and the health of the cultured species.
"This publication describes Australia's Euastacus crayfish, the largest of the 10 genera of Australian freshwater crayfish. We cover the full 50 Euastacus species found in Australia, from the iconic giant Murray lobsters (Euastacus armatus), which are recreationally fished, to the exceedingly rare tiny species, like Euastacus maidae from the New South Wales-Queensland coastal border region ... The Euastacus crayfish are referred to as 'spiny crayfish' because they have impressive arrays of spines on their hard armoured shells."--Preface.
Floodplain wetlands of the Murray-Darling Basin provide critical habitat for numerous species of flora and fauna; unfortunately, the ecology of these wetlands is threatened by a range of environmental issues. This book addresses the urgent need for an improved ecohydrological understanding of the biota of Australian freshwater wetlands. It synthesizes key water and habitat requirements for 35 species of plants, 48 species of waterbirds, 17 native and four introduced species of fish, 15 species of frogs, and 16 species of crustaceans and mollusks found in floodplain wetlands of the Murray-Darling Basin. Each species profile includes: the influence of water regimes on the survival, health and condition of the species; key stimuli for reproduction and germination; habitat and dietary preferences; as well as major knowledge gaps for the species. Floodplain Wetland Biota in the Murray-Darling Basinalso provides an overview of the likely impacts of hydrological change on wetland ecosystems and biota, in the context of climate change and variability, with implications for environmental management. This important book provides an essential baseline for further education, scientific research and management of floodplain wetland biota in the Murray-Darling Basin. KEY FEATURES * Provides an overview of floodplain wetlands in the Murray-Darling Basin and their key freshwater biota (flora and fauna) * Includes information on water and habitat requirements in the form of succinct species profiles * Focuses on the influence of water regimes on the survival, health and condition of species
Small Dams: Planning, Construction and Maintenance has been written to provide a practical approach and guide to determining catchment yield and the amount of water required in a dam, advising on selecting and working with engineers and contractors, as well as outlining the cause of dam failures and how to remedy problems quickly. It also covers re
