Synopsis of Biological Data on the Grass Carp, Ctenopharyngodon Idella (Cuvier and Valenciennes, 1844) PDF Download
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Author: J. V. Shireman
Publisher: Food & Agriculture Org.
ISBN: 9789251013595
Category : Pets
Languages : en
Pages : 96
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Author:
Publisher:
ISBN:
Category : Aquatic plants
Languages : en
Pages : 264
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Author: J. V. Shireman
Publisher: Food & Agriculture Org.
ISBN: 9789251013595
Category : Pets
Languages : en
Pages : 96
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Book Description
Author: Ernest S. Delfosse
Publisher:
ISBN:
Category : Gardening
Languages : en
Pages : 912
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Book Description
Author: James O. Luken
Publisher: Springer Science & Business Media
ISBN: 1461219264
Category : Technology & Engineering
Languages : en
Pages : 333
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Book Description
Biological invasion of native plant communities is a high-priority problem in the field of environmental management. Resource managers, biologists, and all those involved in plant communities must consider ecological interactions when assessing both the effects of plant invasion and the long-term effects of management. Sections of the book cover human perceptions of invading plants, assessment of ecological interactions, direct management, and regulation and advocacy. It also includes an appendix with descriptive data for many of the worst weeds.
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Category : Fish culture
Languages : en
Pages : 528
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Author:
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ISBN:
Category :
Languages : en
Pages : 496
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Book Description
![Lake Seminole, Hydrilla Action Plan [FL,GA,AL] PDF](https://books.google.com/books/content/images/frontcover/LgUzAQAAMAAJ?fife=w80-h100)
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Category :
Languages : en
Pages : 620
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Category : Fisheries
Languages : en
Pages : 216
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Book Description
Report on activities in the divisions of research.
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Category : Agricultural pests
Languages : en
Pages : 982
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Book Description
Author: G. Dennis Cooke
Publisher: Elsevier
ISBN: 1483163253
Category : Technology & Engineering
Languages : en
Pages : 401
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Book Description
Lake and Reservoir Restoration deals with the eutrophication process and the methods to protect, restore, and manage lakes and reservoirs. The most common in-lake techniques or procedures, plus nutrient diversion, are reviewed with regard to their scientific basis, methods of application, known effectiveness, feasibility, drawbacks, and costs. Areas for further research and development are also highlighted. This book is comprised of 16 chapters organized into four sections. After an introduction to the theory of the problem and the restoration technique, the discussion turns to the various restoration methods such as those used for physical and chemical control of nutrients. Diversion and advanced waste treatment, hypolimnetic withdrawal, and dilution and flushing are considered along with phosphorus precipitation and inactivation, sediment oxidation, sediment removal, and hypolimnetic aeration. Case studies and success stories are presented and the costs and potential negative impacts of the methods are examined. The following chapters focus on methods to control plant biomass, including artificial circulation, water-level drawdown, harvesting, biological control, and surface and sediment covers. A chapter on liming acidified lakes concludes this text. This monograph will be useful to professional limnologists and engineers, on-site lake or reservoir managers, and those who are interested in learning about the problems and management of lakes and reservoirs.
