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Author: Viktor Evgenʹevich Zaika
Publisher:
ISBN:
Category : Aquatic invertebrates
Languages : en
Pages : 168
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Book Description
New York, J. Wiley [1973].
Author: Viktor Evgenʹevich Zaika
Publisher:
ISBN:
Category : Aquatic invertebrates
Languages : en
Pages : 168
Get Book Here
Book Description
New York, J. Wiley [1973].
Author: Viktor Evgenʹevich Zaika
Publisher: John Wiley & Sons
ISBN: 9780470981115
Category : Aquatic invertebrates
Languages : en
Pages : 0
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Book Description
New York, J. Wiley [1973].
Author: Viktor Evgenʹevich Zaika
Publisher:
ISBN: 9780706513523
Category :
Languages : en
Pages : 0
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Book Description
Author: Richard W. Merritt
Publisher: Kendall Hunt
ISBN: 9780787232412
Category : Nature
Languages : en
Pages : 894
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Book Description
Author: W. J. Warren-Hicks
Publisher: IWA Publishing
ISBN: 1843396394
Category : Science
Languages : en
Pages : 134
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Book Description
The purpose of this project was to develop a methodology for deriving site-specific nutrient criteria (SSNC) for surface waters, including streams and rivers, lakes and reservoirs, and coastal estuaries. The methodology was developed to extend the United States Environmental Protection Agency's regional nutrient criteria for localized conditions characterized by particular desired water quality requirements or designated uses. The proposed SSNC methodology provides local stakeholders with a recipe for estimating nutrient criteria consistent with site-specific water quality management goals and objectives. The SSNC methodology prescribes a three-tiered or sequential approach for defining concentrations of acceptable nutrients in relation to management goals and objectives. Each tier requires successively more site-specific data and information and also develops increasingly quantitative and technologically more detailed relationships between nutrients and stated water quality measurements (chlorophyll a, Secchi depth, dissolved oxygen). The SSNC process can be initiated at any tier, although most applications will likely progress from Tier 1. The derivation of Tier 1 SSNC relies extensively on existing data and regional nutrient criteria. Tier 2 adds additional, more site-specific data and estimates SSNC on the basis of statistical relationships between nutrients and the selected water quality parameters of interest. Tier 3 extends Tier 2 through the development of additional site-specific data and the application of site-specific, process-level water quality models to estimate the SSNC. Follow-up monitoring is a key component of all three tiers for assessing the effectiveness of the SSNC in achieving the desired water quality characteristics and making subsequent decisions about continued implementation or modification of the SSNC. Benefits: SSNC can serve as effective alternatives to regional criteria, which may fail to achieve or sustain locally desired water quality conditions. The proposed methodology prescribes an efficient and economical approach for achieving site-specific water quality objectives. The methodology develops SSNC on the basis of process-level understanding of relationships between nutrients and water quality objectives. The tiered approach permits a sequential, increasingly detailed and sophisticated analysis of relations between nutrients and desired water quality conditions. The results of the tiered SSNC methodology provide direct inputs to localized management and decision-making processes.
Author: James H. Thorp
Publisher: Academic Press
ISBN: 0080889816
Category : Nature
Languages : en
Pages : 1036
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Book Description
The Third Edition of Ecology and Classification of North American Freshwater Invertebrates continues the tradition of in-depth coverage of the biology, ecology, phylogeny, and identification of freshwater invertebrates from the USA and Canada. This edition is in color for the first time and includes greatly expanded classification of many phyla. Contains extensive and detailed classification keys for identification of diverse freshwater invertebrates. Many drawings and color photographs of freshwater invertebrates. Single source for a broad coverage of the anatomy, physiology, ecology, and phylogeny of all major groups of invertebrates in inland waters of North America, north of Mexico.
Author:
Publisher:
ISBN:
Category : Hydrology
Languages : en
Pages : 1124
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Book Description
Author: James H. Thorp
Publisher: Academic Press
ISBN: 0123748550
Category : Nature
Languages : en
Pages : 1036
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Book Description
"The third edition of Ecology and Classification of North American Freshwater Invertebrates continues the tradition of in-depth coverage of the biology, ecology, phylogeny, and identification of freshwater invertebrates from the USA and Canada. This text serves as an authoritative single source for a broad coverage of the anatomy, physiology, ecology, and phylogeny of all major groups of invertebrates in inland waters of North America, north of Mexico." --Book Jacket.
Author: G. Bonomi
Publisher: Springer Science & Business Media
ISBN: 940096563X
Category : Science
Languages : en
Pages : 241
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Book Description
At the First International Symposium on Aquatic Oligochaete Biology in Sidney, B. C. , the suggestion was made to hold the second in Pallanza, on Lake Maggiore, at the C. N. R. -Istituto Italiano di Idrobiologia. At the same time it was decided that there should be a symposium every third year. The organization of the symposium was made considerably easier by the Senior Editor's having been in personal contact with several Russian colleagues (courtesy of a kind invitation from the U. S. S. R. Academy of Sciences), the 'Hamburg Group' and the Junior Editor. Correspondence with various students of Oligochaeta also furnished many useful suggestions. The Second International Symposium on Aquatic Oligochaete Biology was therefore held in Pallanza in late September 1982 and was attended by 53 scientists from 16 countries in Europe, North America, Asia and Australia. No review papers were formally invited as this had already been done at the first symposium: all the papers were accordingly allotted the same time for oral presentation. These proceedings contain all papers Hrabe and Slepukhina, which were given in absentia, as it presented at the symposium, including those by was impossible for the authors to join the group. The main topics were taxonomy and evolution of Oligo chaeta, life-cyle and population studies, the role of Oligo chaeta in assessing water pollution, physiolog ical studies, community and distribution studies. Special taxonomic workshops took place in the evenings.
Author: United States. Environmental Protection Agency. Library Systems Branch
Publisher:
ISBN:
Category : Environmental protection
Languages : en
Pages : 490
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Book Description
