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Freshwater Dolphins
  • Language: en
  • Pages: 28

Freshwater Dolphins

  • Type: Book
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  • Published: 1995
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  • Publisher: ABDO

Describes different kinds of dolphins and discusses how they live and what can be done to save them from extinction.

Freshwater Fisheries Ecology
  • Language: en
  • Pages: 920

Freshwater Fisheries Ecology

Inland fisheries are vital for the livelihoods and food resources of humans worldwide but their importance is underestimated, probably because large numbers of small, local operators are involved. Freshwater Fisheries Ecology defines what we have globally, what we are going to lose and mitigate for, and what, given the right tools, we can save. To estimate potential production, the dynamics of freshwater ecosystems (rivers, lakes and estuaries) need to be understood. These dynamics are diverse, as are the earths freshwater fisheries resources (from boreal to tropical regions), and these influence how fisheries are both utilized and abused. Three main types of fisheries are illustrated within...

Percid Fishes
  • Language: en
  • Pages: 371

Percid Fishes

The percid fishes (or perch family) comprise many species including the perch, pikeperch, yellow perch, walleye and the darters. These species are of great ecological and economic importance, being important components of the freshwater ecosystem and recreational and commercial fisheries. Percid Fishes covers aspects such as systematics, morphology, biology, ecology, diseases and parasites and the economic importance of percid fisheries. Special emphasis is placed within the book on the complex relationship between this family of fishes and their environment and how they respond to perturbations, especially those induced by humans. The author, John Craig who has a great deal of experience working on these fishes in many of the countries in which they occur, has drawn together an extremely important book which provides a unique, comprehensive and indispensable review of this most significant group of fish.

Least Cost Hospital Food Service Systems
  • Language: en

Least Cost Hospital Food Service Systems

This practical handbook offers solutions for improving hospital food service while keeping costs low. John F. Freshwater draws on his years of experience as a hospital administrator and food service consultant to provide insights into menu planning, food preparation, and nutrition management. With a focus on efficiency and customer satisfaction, Least Cost Hospital Food Service Systems is an indispensable resource for anyone involved in hospital food service. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

Water analysis
  • Language: en
  • Pages: 120

Water analysis

  • Type: Book
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  • Published: 1978
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  • Publisher: Unknown

None

North American Freshwater Mussels
  • Language: en
  • Pages: 523

North American Freshwater Mussels

Synthesizes the ecology and natural history of North American freshwater mussels for scientists, natural resource professionals, students and natural history enthusiasts.

Crustacean Farming
  • Language: en
  • Pages: 464

Crustacean Farming

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 r...

Freshwater Shrimp and Prawns, 1972-86
  • Language: en
  • Pages: 18

Freshwater Shrimp and Prawns, 1972-86

  • Type: Book
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  • Published: 1987
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  • Publisher: Unknown

None

Conservation of Freshwater Fishes
  • Language: en
  • Pages: 601

Conservation of Freshwater Fishes

A global assessment of the current state of freshwater fish biodiversity and the opportunities and challenges to conservation.

Oil in Freshwater: Chemistry, Biology, Countermeasure Technology
  • Language: en
  • Pages: 527

Oil in Freshwater: Chemistry, Biology, Countermeasure Technology

  • Type: Book
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  • Published: 2013-10-22
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  • Publisher: Elsevier

Oil In Freshwater: Chemistry, Biology, Countermeasure Technology presents the proceedings of the Symposium of Oil Pollution held in Freshwater, Edmonton, Alberta, Canada represents a collection of scientific knowledge on state-of-the-art monitoring and cleanup of oil pollution in fresh waters. The book covers the major subject areas of the physical and chemical fates of oil and petroleum in freshwater environments; biological and ecological effects, biodegradability and microbiological considerations, fate in runoff and wastewater treatment, and aquifer contamination. The book discusses the solubilities of substances from tar sands and heavy oils; the physical and chemical behavior of oils; and the carcinogenic and toxic effects of oil and oil products, including polycyclic aromatic hydrocarbons on freshwater communities and ecosystems. The text also describes microbial biodegradability; oil related pollutants in road and urban runoff and during municipal and industrial wastewater treatment; and cleanup and disposal technologies. Oil pollution of aquifers has been thoroughly covered.