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4 results on '"PHC Hoa Sen Lotus [23970QM]"'

1. Responses of Aquatic Bacteria to Terrestrial Runoff: Effects on Community Structure and Key Taxonomic Groups

Author

Jean L. Janeau, Emma Rochelle-Newall, Quan H. Trinh, Minh T. N. Luu, Hai S. Tran, Duc Anh Trinh, Didier Orange, Cuong Tu Ho, Huong T. Le, Thomas Pommier, Asmaa Merroune, Vietnam Academy of Science and Technology (VAST), Institut d'écologie et des sciences de l'environnement de Paris (iEES), Institut National de la Recherche Agronomique (INRA)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Université Paris-Est Créteil Val-de-Marne - Paris 12 (UPEC UP12)-Centre National de la Recherche Scientifique (CNRS), Laboratoire d'Ecologie Microbienne - UMR 5557 (LEM), Institut National de la Recherche Agronomique (INRA)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Ecole Nationale Vétérinaire de Lyon (ENVL)-VetAgro Sup - Institut national d'enseignement supérieur et de recherche en alimentation, santé animale, sciences agronomiques et de l'environnement (VAS)-Centre National de la Recherche Scientifique (CNRS), Soils and Fertilizers Research Institute (SFRI), Vietnam Academy of Agricultural Sciences (VAAS), Ecologie fonctionnelle et biogéochimie des sols et des agro-écosystèmes (UMR Eco&Sols), Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-Institut de Recherche pour le Développement (IRD)-Institut National de la Recherche Agronomique (INRA)-Centre international d'études supérieures en sciences agronomiques (Montpellier SupAgro)-Institut national d’études supérieures agronomiques de Montpellier (Montpellier SupAgro), LOTUS 44/2012/HD-NDT, MOST, PHC Hoa Sen Lotus 23970QM, JEAI BioGEAQ, Institut de Recherche pour le Developpement (IRD), UMR laboratories iEES-Paris, LEM, USTH, Vietnam, IRD (ARTS), Institut d'écologie et des sciences de l'environnement de Paris (IEES), Centre National de la Recherche Scientifique (CNRS)-Ecole Nationale Vétérinaire de Lyon (ENVL)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de la Recherche Agronomique (INRA)-VetAgro Sup - Institut national d'enseignement supérieur et de recherche en alimentation, santé animale, sciences agronomiques et de l'environnement (VAS), Institute of Ecology and Environmental Sciences, University Pierre et Marie Curie, Institut National de la Recherche Agronomique (INRA)-Institut de Recherche pour le Développement (IRD)-Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-Centre international d'études supérieures en sciences agronomiques (Montpellier SupAgro)-Institut national d’études supérieures agronomiques de Montpellier (Montpellier SupAgro), Vietnam Academy of Science and Technology ( VAST ), Institut d'écologie et des sciences de l'environnement de Paris ( IEES ), Institut National de la Recherche Agronomique ( INRA ) -Université Pierre et Marie Curie - Paris 6 ( UPMC ) -Université Paris-Est Créteil Val-de-Marne - Paris 12 ( UPEC UP12 ) -Centre National de la Recherche Scientifique ( CNRS ), Ecologie microbienne ( EM ), Centre National de la Recherche Scientifique ( CNRS ) -Ecole Nationale Vétérinaire de Lyon ( ENVL ) -Université Claude Bernard Lyon 1 ( UCBL ), Université de Lyon-Université de Lyon-Institut National de la Recherche Agronomique ( INRA ) -VetAgro Sup ( VAS ), Soils and Fertilizers Research Institute ( SFRI ), VAAS, Ecologie fonctionnelle et biogéochimie des sols et des agro-écosystèmes ( Eco&Sols ), Centre de Coopération Internationale en Recherche Agronomique pour le Développement ( CIRAD ) -Institut de Recherche pour le Développement ( IRD ) -Institut National de la Recherche Agronomique ( INRA ) -Centre international d'études supérieures en sciences agronomiques ( Montpellier SupAgro ) -Institut national d’études supérieures agronomiques de Montpellier ( Montpellier SupAgro ), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS)-VetAgro Sup - Institut national d'enseignement supérieur et de recherche en alimentation, santé animale, sciences agronomiques et de l'environnement (VAS)-Ecole Nationale Vétérinaire de Lyon (ENVL), Institut national d’études supérieures agronomiques de Montpellier (Montpellier SupAgro), and Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Centre international d'études supérieures en sciences agronomiques (Montpellier SupAgro)-Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-Institut de Recherche pour le Développement (IRD)-Institut National de la Recherche Agronomique (INRA)

Subjects
0301 basic medicine, Microbiology (medical), compost, engrais organique, engineering.material, DOC, Microbiology, complex mixtures, 03 medical and health sciences, [ SDV.MP ] Life Sciences [q-bio]/Microbiology and Parasitology, Dissolved organic carbon, Biochar, biochar, Original Research, 2. Zero hunger, Total organic carbon, communauté microbienne, Ecology, Compost, Aquatic ecosystem, Microbiology and Parasitology, fungi, 04 agricultural and veterinary sciences, 15. Life on land, ruissellement, Microbiologie et Parasitologie, carbone organique, écosystème aquatique, fertilité du sol, 030104 developmental biology, [SDV.MP]Life Sciences [q-bio]/Microbiology and Parasitology, 13. Climate action, Environmental chemistry, 040103 agronomy & agriculture, engineering, 0401 agriculture, forestry, and fisheries, Environmental science, aquatic microbial community, mesocosms, Surface runoff, Organic fertilizer, Vermicompost
Abstract

International audience; Organic fertilizer application is often touted as an economical and effective method to increase soil fertility. However, this amendment may increase dissolved organic carbon (DOC) runoff into downstream aquatic ecosystems and may consequently alter aquatic microbial community. We focused on understanding the effects of DOC runoff from soils amended with compost, vermicompost, or biochar on the aquatic microbial community of a tropical reservoir. Runoff collected from a series of rainfall simulations on soils amended with different organic fertilizers was incubated for 16 days in a series of 200 L mesocosms filled with water from a downstream reservoir. We applied 454 high throughput pyrosequencing for bacterial 16S rRNA genes to analyze microbial communities. After 16 days of incubation, the richness and evenness of the microbial communities present decreased in the mesocosms amended with any organic fertilizers, except for the evenness in the mesocosms amended with compost runoff. In contrast, they increased in the reservoir water control and soil-only amended mesocosms. Community structure was mainly affected by pH and DOC concentration. Compared to the autochthonous organic carbon produced during primary production, the addition of allochthonous DOC from these organic amendments seemed to exert a stronger effect on the communities over the period of incubation. While the Proteobacteria and Actinobacteria classes were positively associated with higher DOC concentration, the number of sequences representing key bacterial groups differed between mesocosms particularly between the biochar runoff addition and the compost or vermi-compost runoff additions. The genera of Propionibacterium spp. and Methylobacterium spp. were highly abundant in the compost runoff additions suggesting that they may represent sentinel species of complex organic carbon inputs. Overall, this work further underlines the importance of studying the off-site impacts of organic fertilizers as their impact on downstream aquatic systems is not negligible.

Published
2016
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2. Impact of terrestrial runoff on organic matter, trophic state, and phytoplankton in a tropical, upland reservoir

Author

Thi Nguyet Minh Luu, Didier Orange, Quan Hong Trinh, Emma Rochelle-Newall, Duc Anh Trinh, Thomas Pommier, Thuy Thi Duong, Thi Phuong Quynh Le, Tien Minh Tran, Jean-Louis Janeau, Hai Sy Tran, Laboratoire d'Ecologie Microbienne - UMR 5557 (LEM), Centre National de la Recherche Scientifique (CNRS)-Ecole Nationale Vétérinaire de Lyon (ENVL)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de la Recherche Agronomique (INRA)-VetAgro Sup - Institut national d'enseignement supérieur et de recherche en alimentation, santé animale, sciences agronomiques et de l'environnement (VAS), Institut National de la Recherche Agronomique (INRA)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS)-VetAgro Sup - Institut national d'enseignement supérieur et de recherche en alimentation, santé animale, sciences agronomiques et de l'environnement (VAS)-Ecole Nationale Vétérinaire de Lyon (ENVL), LOTUS [44/2012/HD-NDT], NAFOSTED, Ministry of Science and Technology, Vietnam [104.99-2014.41], PHC Hoa Sen Lotus [23970QM], JEAI BioGEAQ, Institute of Chemistry, Vietnam Academy of Science and Technology, Vietnam, French Institut de Recherche pour le Developpement (IRD), UMR iEES-Paris, and Université de Lyon-Université de Lyon-Ecole Nationale Vétérinaire de Lyon (ENVL)-VetAgro Sup - Institut national d'enseignement supérieur et de recherche en alimentation, santé animale, sciences agronomiques et de l'environnement (VAS)-Centre National de la Recherche Scientifique (CNRS)

Subjects
Freshwater & Marine Ecology, 010504 meteorology & atmospheric sciences, Floodplain, [SDV]Life Sciences [q-bio], 010501 environmental sciences, Aquatic Science, Aquatic mesocosm, Oceanography, 01 natural sciences, Mesocosm, Acacia mangium, Phytoplankton, Organic matter, Marine & Freshwater Sciences, Ecology, Evolution, Behavior and Systematics, 0105 earth and related environmental sciences, Water Science and Technology, 2. Zero hunger, Hydrology, chemistry.chemical_classification, geography, geography.geographical_feature_category, biology, Ecology, Aquatic ecosystem, Tropics, Life Sciences, 15. Life on land, biology.organism_classification, 6. Clean water, Limiting factor, chemistry, Vietnam, 13. Climate action, general, Environmental science, Incubation, ecology, Surface runoff
Abstract

International audience; The impact of organic matter inputs from agricultural, forest and domestic sources on aquatic processes has been considerably less studied in tropical reservoirs relative to temperate systems despite the high number of these small aquatic systems in the tropics. Here we present the results of an in situ mesocosm study that examined the impact of allochthonous organic matter on a headwater reservoir in Northern Vietnam. We examined the impact of wastewater and soils from floodplain paddies, Acacia mangium plantations and from upland slopes on the metabolic status of the reservoir. The addition of floodplain paddy soils to the reservoir water led to a rapid switch in metabolic status from net autotrophic to net heterotrophic. In contrast, the addition of wastewater in low concentrations had less impact on the metabolic status of the reservoir, reflecting the low population density in the area. The addition of floodplain paddy soils also increased phytoplankton diversity and evenness relative to the control. In summary, soils from floodplain paddies and from A. mangium plantations had the highest impact on the reservoir, with upland soils and wastewater having less of an impact. We also found that primary production in this reservoir was nitrogen limited. In order to avoid accelerating the impact of runoff on the reservoir, future management options should perhaps focus on minimizing water and sediment runoff from upstream paddy fields and from A. mangium plantations. These results also underline the importance of studying these upland tropical water bodies that can contribute an important but, on the whole, ignored part of the global carbon balance.

Published
2015
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3. Off-site impacts of agricultural composting: role of terrestrially derived organic matter in structuring aquatic microbial communities and their metabolic potential

Author

Patrice Got, Thomas Pommier, Tran Duc Toan, Jean-Louis Janeau, Asmaa Merroune, Pascal Jouquet, Thuy Doan Thu, Yvan Bettarel, Emma Rochelle-Newall, Laboratoire d'Ecologie Microbienne - UMR 5557 (LEM), Centre National de la Recherche Scientifique (CNRS)-Ecole Nationale Vétérinaire de Lyon (ENVL)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de la Recherche Agronomique (INRA)-VetAgro Sup - Institut national d'enseignement supérieur et de recherche en alimentation, santé animale, sciences agronomiques et de l'environnement (VAS), Institut National de la Recherche Agronomique (INRA)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS)-VetAgro Sup - Institut national d'enseignement supérieur et de recherche en alimentation, santé animale, sciences agronomiques et de l'environnement (VAS)-Ecole Nationale Vétérinaire de Lyon (ENVL), French EC2CO programme 'COMPAQUA', Institut de Recherche pour le Developpement, UMR laboratory iEES, UMR laboratory EM, PHC Hoa Sen Lotus [23970QM], and LOTUS, MOST [44/2012/HD-NDT]

Subjects
Aquatic Organisms, SOL CULTIVE, [SDV]Life Sciences [q-bio], BACTERIE, DIVERSITE SPECIFIQUE, STRUCTURE DE POPULATION, Applied Microbiology and Biotechnology, Soil leachates, Soil, Off-site effects, Dissolved organic carbon, Biochar, LESSIVAGE, MATIERE ORGANIQUE DISSOUTE, Organic Chemicals, COMPOST, Soil Microbiology, chemistry.chemical_classification, VERMICOMPOST, Ecology, Compost, Aquatic ecosystem, Community structure, Agriculture, METABOLISME, Charcoal, Viruses, VIRUS, CONSEQUENCE ECOLOGIQUE, Microbial Consortia, engineering.material, Biology, Microbiology, Civil Engineering, complex mixtures, ABONDANCE, Organic matter, 14. Life underwater, Fertilizers, LAC, BIOCHAR, Bacteria, MICROORGANISME, 15. Life on land, CARBONE ORGANIQUE, Lakes, chemistry, Metabolic potential, 13. Climate action, engineering, EROSION HYDRIQUE, Species richness, Vermicompost
Abstract

International audience; While considered as sustainable and low-cost agricultural amendments, the impacts of organic fertilizers on downstream aquatic microbial communities remain poorly documented. We investigated the quantity and quality of the dissolved organic matter leaching from agricultural soil amended with compost, vermicompost or biochar and assessed their effects on lake microbial communities, in terms of viral and bacterial abundances, community structure and metabolic potential. The addition of compost and vermicompost significantly increased the amount of dissolved organic carbon in the leachate compared to soil alone. Leachates from these additions, either with or without biochar were highly bioavailable to aquatic microbial communities, though reducing the metabolic potential of the community and harboring more specific communities. Although not affecting bacterial richness or taxonomic distributions, the specific addition of biochar affected the original lake bacterial communities resulting in a strongly different community. This could be partly explained by viral burst and converging bacterial abundances throughout the samples. These results underline the necessity to include off-site impacts of agricultural amendments when considering their cascading effect on downstream aquatic ecosystems. This article is protected by copyright. All rights reserved.

Published
2014
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4. Soil erosion, dissolved organic carbon and nutrient losses under different land use systems in a small catchment in northern Vietnam

Author

Hai Tran Sy, Thi Phuong Quynh Le, Pascal Jouquet, Dinh Rinh Pham, Quoc Anh Ngo, Séraphine Grellier, Thi Nguyet Minh Luu, Lc Gillard, Emma Rochelle Newall, Trinh Anh Duc, Christian Valentin, Jean-Louis Janeau, Duc Toan Tran, Didier Orange, Biogéochimie et écologie des milieux continentaux (Bioemco), Centre National de la Recherche Scientifique (CNRS)-AgroParisTech-Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de la Recherche Agronomique (INRA)-École normale supérieure - Paris (ENS Paris), WEO Department, University of sciences and technologies of hanoi (USTH), Université Pierre et Marie Curie - Paris 6 (UPMC), Vietnam Academy of Science and Technology (VAST), A18-Institute of Chemistry, Vietnamese Academy of Science and Technology, Ecologie des systèmes marins côtiers (Ecosym), Université Montpellier 1 (UM1)-Université Montpellier 2 - Sciences et Techniques (UM2)-Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER)-Centre National de la Recherche Scientifique (CNRS), Soils and Fertilizers Research Institute (SFRI), Vietnam Academy of Agricultural Sciences (VAAS), Veolia Environnement Recherche et Innovation, Veolia, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL), Institut d'écologie et des sciences de l'environnement de Paris (iEES Paris), Institut National de la Recherche Agronomique (INRA)-Sorbonne Université (SU)-Université Paris-Est Créteil Val-de-Marne - Paris 12 (UPEC UP12)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Biomécanique et Mécanique des Chocs (LBMC UMR T9406), Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut Français des Sciences et Technologies des Transports, de l'Aménagement et des Réseaux (IFSTTAR), Institut d'écologie et des sciences de l'environnement de Paris (iEES), Institut National de la Recherche Agronomique (INRA)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Université Paris-Est Créteil Val-de-Marne - Paris 12 (UPEC UP12)-Centre National de la Recherche Scientifique (CNRS), UR 103 Camélia, Institut de Recherche pour le Développement (IRD), French Institut de Recherche pour le Developpement (IRD), UMR BIOEMCO, project PAMPA, PHC Hoa Sen Lotus [23970QM], LOTUS [44/2012/HD-NDT], MOST, Vietnam, Institut d'écologie et des sciences de l'environnement de Paris (IEES (UMR_7618 / UMR_D_242 / UMR_A_1392 / UM_113) ), Institut d'écologie et des sciences de l'environnement de Paris (IEES), Centre National de la Recherche Scientifique (CNRS)-Université Paris-Est Créteil Val-de-Marne - Paris 12 (UPEC UP12)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de la Recherche Agronomique (INRA), École normale supérieure - Paris (ENS Paris), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Institut National de la Recherche Agronomique (INRA)-Université Pierre et Marie Curie - Paris 6 (UPMC)-AgroParisTech-Centre National de la Recherche Scientifique (CNRS), École normale supérieure - Paris (ENS-PSL), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Institut de Recherche pour le Développement (IRD)-Institut National de la Recherche Agronomique (INRA)-Université Pierre et Marie Curie - Paris 6 (UPMC)-AgroParisTech-Centre National de la Recherche Scientifique (CNRS), and University of Science and Technology of Hanoi (USTH)

Subjects
FORET, 010504 meteorology & atmospheric sciences, SOL CULTIVE, 01 natural sciences, Agricultural land, Dissolved organic carbon, PERTE EN TERRE, Tropical catchments, DEGRADATION DU SOL, MATIERE ORGANIQUE DISSOUTE, ComputingMilieux_MISCELLANEOUS, Water Science and Technology, 2. Zero hunger, Agroforestry, Aquatic ecosystem, 04 agricultural and veterinary sciences, No-till, Plant litter, CARBONE, PRATIQUE CULTURALE, BASSIN VERSANT, Erosion, [SDE]Environmental Sciences, PENTE, SIMULATION DE PLUIE, COUVERT VEGETAL, Soil Science, TRAVAIL DU SOL, No-till farming, ALTITUDE, AZOTE, ETUDE COMPARATIVE, Ecosystem, Soil carbon loss, 14. Life underwater, 0105 earth and related environmental sciences, Earth-Surface Processes, Rain simulations, PHOSPHORE, Soil carbon, 15. Life on land, NUTRIMENT, JACHERE, Agronomy, MULCH, Acacia mangium, [SHS.ENVIR]Humanities and Social Sciences/Environmental studies, Soil water, 040103 agronomy & agriculture, 0401 agriculture, forestry, and fisheries, Environmental science, EROSION HYDRIQUE, Agronomy and Crop Science, ZONE DE MONTAGNE
Abstract

International audience; The export of dissolved organic carbon (DOC) from agricultural soils can represent an important pathway of soil organic carbon loss. However, despite its importance in terrestrial and downstream aquatic ecosystems, most work has focused on temperate agrosystems with tropical and sub-tropical ecosystems being ignored. Here we present the results of a series of rain simulation experiments aimed at examining DOC export from sloping lands in North Vietnam. Three regularly used agricultural practices were tested and compared with Bare soils. We also compared the impact of leaf litter in two planted forest sites. We found high rates of DOC export (0.03-0.25 g C m(-2)) during a 40 min rain episode with the lowest rates observed in the Bare soils and the highest in the planted Forest without leaf litter. This is equivalent to a loss of between 0.001 and 0.008% of the total soil organic carbon in the upper 10 cm during a single, intense rain event. This work highlights the impact of different agricultural practices (Bare soil, hoeing, mulching and fallow) and land use (planted Forest with or without leaf litter) on the export of DOC from upland, tropical soils and further underlines the importance of studying DOC fluxes from agricultural land as it represents an important and highly mobile component of ecosystem carbon fluxes.

Published
2014
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