végétation (1) tendance (1) température (1) enquête (1) sol (1) zone riveraine (1) recherche (1) élimination (1) mare (1) azote (1) nitrate (1) besoin (1) surveillance (1) littérature (1) santé humaine (1) eaux souterraines (1) écologie (1) dénitrification (1) comparaison (1) sujet (1) Ecology (1) Monitoring (1) Decay (1) Comparison (1) Variation (1) Platforms (1) Platforms (1) Forms (1) Riparian areas (1) Rates (1)