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Books > Children's & Educational > Leisure interests, hobbies & sport > Practical interests & handicrafts > Food & drink / cookery: general interest

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Evaluation Environnementale de la Pisciculture En Zone Tropicale (French, Paperback) Loot Price: R1,331
Discovery Miles 13 310
Evaluation Environnementale de la Pisciculture En Zone Tropicale (French, Paperback): Collectif

Evaluation Environnementale de la Pisciculture En Zone Tropicale (French, Paperback)

Collectif

Series: Omn.Univ.Europ.

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Loot Price R1,331 Discovery Miles 13 310 | Repayment Terms: R125 pm x 12*

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Entre fevrier 2005 et octobre 2007, l'evaluation du rendement agro-ecologique de la pisciculture en etang a ete realisee suivant la methode d'Analyse du Cycle de vie dans deux systemes semi-intensifs de polyculture Oreochromis niloticus- Clarias gariepinus a la ferme d'Alou (4-5 L N et 7 25'-8 L E) en zone Soudano-guineenne d'altitude de l'Ouest- Cameroun. Les deux systemes etaient Tilapia-silure porc (poisson-porc) et Tilapia-silure remoulage de ble (poisson-remoulage). Les valeurs des parametres physico-chimiques de l'eau de l'etang dans le systeme poisson-remoulage ont ete inferieures aux normes recommandees de production en etang. La repartition de l'azote et de phosphore entres suivant le modele nutritionnel a montre qu'une tres faible proportion d'azote et de phosphore total est fixee par les poissons. L'analyse de l'efficacite environnementale a revele des niveaux d'impacts environnementaux quatre a dix fois superieurs selon les parametres dans le systeme poisson-porc compare au poisson-remoulage. L'origine et la qualite des differents elements trophiques de meme que les modalites de gestion de l'eau du systeme influenceraient le rendement ecologique.

General

Imprint: Omniscriptum
Country of origin: United States
Series: Omn.Univ.Europ.
Release date: February 2018
First published: July 2012
Authors: Collectif
Dimensions: 229 x 152 x 6mm (L x W x T)
Format: Paperback - Trade
Pages: 100
ISBN-13: 978-3-8417-9718-6
Languages: French
Categories: Books > Children's & Educational > Leisure interests, hobbies & sport > Practical interests & handicrafts > Food & drink / cookery: general interest
Books > Children's Fiction & Fun
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LSN: 3-8417-9718-0
Barcode: 9783841797186

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