Portail des ressources documentaires agronomiques de l'Ouest

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AMMONIUM
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Article Nutrient dynamics in interstitial habitats of low-order rural streams with different bedrock geology   Lefebvre, S. ; Marmonier, Pierre ; Pinay, Gilles ; Bour, Olivier ; Aquilina, Luc ; Baudry, Jacques
Archiv für Hydrobiologie, 2005 , Volume 164 , n° 2 , 169-191 p.   [ ISSN : 0003-9136 ]
Résumé :
We Studied water exchange, nutrient dynamics, and microbial activities between the Surface and interstitial habitats of six low-order streams with catchments dominated by agriculture during high and low water periods. In each stream, surface (open) water and interstitial water form downwelling...

NUTRIMENT ; NITRATE ; RIVIERE ; UTILISATION DU SOL
AMMONIUM ; DENITRIFICATION ; GRANITE ; HYDRAULIC ; CONDUCTIVITY ; LAND USE ; MICROBIAL ACTIVITIES ; NITRATE ; NUTRIENT CONTENT ; ORGANIC MATTER ; PARTICLE SIZE ; PHOSPHORUS ; SCHIST SOILS ; SEDIMENT ; STREAMS ; SURFACE WATER ; WATERSHEDS
739215 : SAD Paysage (SAD Paysage)

Article The Ability of Aquatic Macrophytes to Assess Fish Farm Pollution in Two Salmon Rivers   Daniel, Hervé ; Bernez, Ivan ; Haury, Jacques ; Le Coeur, Didier
Hydrobiologia, 2005 , Volume 551 , n° 1 , 183-191 p.     [ ISSN : 0018-8158 ]
Résumé :
The wastewater from freshwater fish farming is responsible for important water quality modifications in receiving ecosystems. These point source pollution cause local problems for the management of the freshwater environment, especially in salmon rivers. The aim of this paper is to study the...

VEGETATION ; QUALITE DE L'EAU ; BIOINDICATEUR ; MACROPHYTE
HYDROPHYTE ; DIVERSITE ECOLOGIQUE ; POLLUTION PONCTUELLE ; ECOLOGIE DES RIVIERES ; COMMUNAUTE DES PLANTES ; EUTROPHISATION ; FLEUVE ; EAU COURANTE ; AMMONIUM ; FACTEUR ENVIRONNEMENTAL
739110 : SAD Paysage (SAD Paysage)