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Sur Lutilisation Du Phytoplancton Pour La Caracterisation Des Installations De Lagunage Naturel
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Book Synopsis Sur l'utilisation du phytoplancton pour la caractérisation des installations de lagunage naturel by : Brigitte Steiner
Download or read book Sur l'utilisation du phytoplancton pour la caractérisation des installations de lagunage naturel written by Brigitte Steiner and published by . This book was released on 1985 with total page 223 pages. Available in PDF, EPUB and Kindle. Book excerpt: Le phytoplancton, élément fondamental de l'épuration par lagunage naturel, est utilisé pour la caractérisation de la qualité de l'eau des bassins. L'étude porte sur huit installation différentes de par leur dimensionnement, leur type de traitement et leur localisation géographique, permettant de préciser l'importance de chaque facteur. L'approche est basée sur l'utilisation des différents paramètres relatifs au phytoplancton : la composition spécifique des peuplements. La biomasse algale par l'intermédiaire de la chlorophylle a. L'activité des communautés à l'aide de la production primaire. Ces trois méthodes d'investigation aboutissent à une classification sensiblement identique des huit installations étudiées. La répartition de 70 taxons, parmi 180 rencontrés au total, en sept groupes permet d'élaborer une typologie des installation de lagunage naturel. La mise au point d'un indice planctonique établi à partir des potentialités de développement des différents groupes algaux doit faciliter l'appréciation du fonctionnement des installations
Book Synopsis National Reports of EIFAC Member Countries for the Period January 1984 - December 1985 by : European Inland Fisheries Advisory Commission
Download or read book National Reports of EIFAC Member Countries for the Period January 1984 - December 1985 written by European Inland Fisheries Advisory Commission and published by Food & Agriculture Org.. This book was released on 1986 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Aquatic Sciences and Fisheries Abstracts by :
Download or read book Aquatic Sciences and Fisheries Abstracts written by and published by . This book was released on 1986 with total page 996 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :European Inland Fisheries Advisory Commission Publisher :Food & Agriculture Organization of the UN (FAO) ISBN 13 :9789250024172 Total Pages :144 pages Book Rating :4.0/5 (241 download)
Book Synopsis National Reports of EIFAC Member Countries for the Period January 1984 - December 1985 by : European Inland Fisheries Advisory Commission
Download or read book National Reports of EIFAC Member Countries for the Period January 1984 - December 1985 written by European Inland Fisheries Advisory Commission and published by Food & Agriculture Organization of the UN (FAO). This book was released on 1986 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Valorisation aquacole d'eaux usées traitées par lagunage naturel by : François Guerrin
Download or read book Valorisation aquacole d'eaux usées traitées par lagunage naturel written by François Guerrin and published by . This book was released on 1990 with total page 297 pages. Available in PDF, EPUB and Kindle. Book excerpt: L'UTILISATION DIRECTE D'EFFLUENTS DE LAGUNAGE A PERMIS DES PRODUCTIONS PISCICOLES DE 0.9 A 2.0 TONNES/HA. LE PHYTOPLANCTON DETERMINE LA QUALITE DE L'EAU. DES TANCHES ET DES ROTENGLES, APRES QUATRE ANNEES PASSEES DANS UNE LAGUNE, N'ONT PAS REVELE DE CONTAMINATION PAR LES METAUX LOURDS (CADMIUM, PLOMB, MERCURE) OU LES PESTICIDES ORGANO-CHLORES. APRES UNE ANALYSE DES FACTEURS LIMITANTS D'AUTRES MODES DE VALORISATION SONT ENVISAGES. LA PRODUCTION RECOLTABLE DE ZOOPLANCTON A ETE EVALUEE A 10 TONNES/HA/AN (POIDS FRAIS) REPARTIE EN DEUX PICS: PRINTANIER (DAPHNIES) ET HIVERNAL (CYCLOPIDES). SON UTILISATION COMME PROIES VIVANTES POUR L'ELEVAGE DE JUVENILES DE POISSONS EST INTERESSANTE PENDANT 3-4 SEMAINES APRES L'ENTREE EN PHASE TROPHIQUE. SA TENEUR EN PROTEINES (60% POIDS SEC) ET SA COMPOSITION EN ACIDES AMINES SONT DISCUTEES EN REFERENCE AUX EXIGENCES DES POISSONS. ON TEST DE CROISSANCE AVEC UN ALIMENT A BASE DE ZOOPLANCTON PERMET D'AVANCER UN TAUX DE SUBSTITUTION DE 40% DE PROTEINES CONVENTIONNELLES. SA FORTE HUMIDITE (90%) EST UN HANDICAP. UN LOGICIEL ECRIT EN PROLOG, CAPABLE DE SIMULER ET D'EXPLIQUER L'INTERPRETATION DE MESURES, ANALYSES ET OBSERVATIONS, A ETE CONCU DANS UN BUT D'AIDE AU CONTROLE DE CES ECOSYSTEMES. ON PROPOSE UNE METHODE DE FORMALISATION DES CONNAISSANCES ET UN SYSTEME DE RAISONNEMENT QUALITATIF
Book Synopsis Wastewater Treatment with Algae by : Yuk Shan Kwong
Download or read book Wastewater Treatment with Algae written by Yuk Shan Kwong and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 265 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book brings together environmental scientists and engineers to discuss the development of new approaches and methodologies which utilize microalgae for biological wastewater treatment. The researchers report their recent findings on microalgal removal of nutrients, heavy metals and other organic pollutants from sewage and industrial effluents. The technologies discussed here include biosorption and bioaccumulation of heavy metals, cell immobilization of algae, and mathematical modelling of metal uptake by cells. This book is unique in that it takes a practical approach to the subject matter and is a useful reference both in and outside of the laboratory.
Author :Food and Agriculture Organization of the United Nations Publisher :Food & Agriculture Org. ISBN 13 :9789251045411 Total Pages :20 pages Book Rating :4.0/5 (454 download)
Book Synopsis What is the Code of Conduct for Responsible Fisheries? by : Food and Agriculture Organization of the United Nations
Download or read book What is the Code of Conduct for Responsible Fisheries? written by Food and Agriculture Organization of the United Nations and published by Food & Agriculture Org.. This book was released on 2001 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: The actual Code of conduct is also available (1996) (ISBN 9251038341).
Author :Food and Agriculture Organization of the United Nations Publisher :Food & Agriculture Org. ISBN 13 :9789251039717 Total Pages :52 pages Book Rating :4.0/5 (397 download)
Book Synopsis Aquaculture Development by : Food and Agriculture Organization of the United Nations
Download or read book Aquaculture Development written by Food and Agriculture Organization of the United Nations and published by Food & Agriculture Org.. This book was released on 1997 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides annotations to the Principles of Article 9 of the Code of Conduct for Responsible Fisheries. These annotations are meant to serve as general guidance, and should be taken as suggestions or observations intended to assist those interested in identifying their own criteria and options for actions, as well as partners for collaboration, in support of sustainable aquaculture development.
Book Synopsis Environmental Aspects of Dredging by : R. N. Bray
Download or read book Environmental Aspects of Dredging written by R. N. Bray and published by CRC Press. This book was released on 2008-03-10 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt: Expanding a port, deepening a navigation channel or creating new land for development, introduces changes to our physical, social, economic and political environment. Changes may result from events during the construction process, or relate to the nature of the completed structure. Changes can be positive or negative, short-term or long-term, and may affect the immediate vicinity of the project or a larger geographical area. Predicting and assessing all possible effects of a planned dredging activity in a scientifically-sound and reliable manner is essential, so that appropriate control measures can be taken to avoid or mitigate unwelcome impacts. This book provides guidance for a complete holistic environmental evaluation procedure and for the design and implementation of environmental control measures. The book is of particular interest to engineers, government agencies and port authorities, as well as civil engineering consultants and contractors involved in planning and designing dredging, maritime infrastructure and fluvial projects.
Book Synopsis Biodiversity and Sustainable Development by : Rabindra Nath Pati
Download or read book Biodiversity and Sustainable Development written by Rabindra Nath Pati and published by . This book was released on 2010 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Papers presented at the First Global Summit on Sustainable Development and Biodiversity, held at Raipur during 7-9 February 2009.
Book Synopsis Growth and Reproductive Strategies of Freshwater Phytoplankton by : Craig D. Sandgren
Download or read book Growth and Reproductive Strategies of Freshwater Phytoplankton written by Craig D. Sandgren and published by Cambridge University Press. This book was released on 1988 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt: The botanical and ecological literature is brought together in this book in order to discuss the morphological, reproductive and physiological characteristics of these microscopic organisms.
Book Synopsis Introduction to Applied Phycology by : I. Akatsuka
Download or read book Introduction to Applied Phycology written by I. Akatsuka and published by Balogh Scientific Books. This book was released on 1990 with total page 700 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Coastal lagoons by : Pierre Lasserre
Download or read book Coastal lagoons written by Pierre Lasserre and published by . This book was released on 1982 with total page 484 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Principles of Hydraulic Management of Coastal Lagoons for Aquaculture and Fisheries by : John M. Miller
Download or read book Principles of Hydraulic Management of Coastal Lagoons for Aquaculture and Fisheries written by John M. Miller and published by Food & Agriculture Org.. This book was released on 1990 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: This document is prepared for fisheries biologists, managers and administrators concerned with lagoon fisheries and aquaculture. Our main objective is to draw attention to the need for greater understanding of relationships between the hydraulics and productivity of lagoon fish and shellfish. The fishery yields from lagoons vary widely, and, probably, predictably, once such relationships are understood. Furthermore, the productivities of many lagoons could probably be enhanced by hydraulic manipulations, but the hydraulic manipulation is presently risky, except in dystrophic lagoons. The document includes a description of lagoon physics, how hydraulics are likely linked to lagoon productivity, how lagoons might be expected to respond to hydraulic alterations, and a protocol for physical investigations. This latter is a necessary step to protect as well as enhance fisheries and aquaculture resources in lagoons, which are especially vulnerable to degradation and overexploitation.
Book Synopsis Diversity of Organisms by : Caroline M. Pond
Download or read book Diversity of Organisms written by Caroline M. Pond and published by . This book was released on 1990 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt: Describing the structure and habits of living organisms, including viruses, micro-organisms, plants and animals, this book considers how scientists acquire and use knowledge about these organisms to investigate their origins and relationships, and to explore basic biological mechanisms. The principles of the comparative method are explained, using examples from modern research.
Author :Office for Official Publications of the European Communities Publisher : ISBN 13 :9789282751916 Total Pages :184 pages Book Rating :4.7/5 (519 download)
Book Synopsis Convention on International Trade in Endangered Species of Wild Fauna and Flora by : Office for Official Publications of the European Communities
Download or read book Convention on International Trade in Endangered Species of Wild Fauna and Flora written by Office for Official Publications of the European Communities and published by . This book was released on 1995-12 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Manual of phycology, an introduction to the algae and their biology by : Gilbert Morgan Smith
Download or read book Manual of phycology, an introduction to the algae and their biology written by Gilbert Morgan Smith and published by . This book was released on 1951 with total page 375 pages. Available in PDF, EPUB and Kindle. Book excerpt:
