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Auswahl der wissenschaftlichen Literatur zum Thema „Rétentions des nutriments“
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Zeitschriftenartikel zum Thema "Rétentions des nutriments"
Tahirou, Seydou, Patrice Zerbo, Sadia Ouattara und Maman Nassirou Ado. „Caractérisation des paramètres physico-chimiques du sol de la zone rizicole de Saga (Niamey) dans la vallée du fleuve Niger“. International Journal of Biological and Chemical Sciences 16, Nr. 2 (08.07.2022): 842–54. http://dx.doi.org/10.4314/ijbcs.v16i2.26.
Der volle Inhalt der QuelleLeduc, Roland, und Roland Gehr. „Review Paper: L’abattement des bactéries coliformes dans les étangs aérés facultatifs — 2. Variables abiotiques“. Water Quality Research Journal 25, Nr. 2 (01.05.1990): 231–64. http://dx.doi.org/10.2166/wqrj.1990.013.
Der volle Inhalt der QuelleJiwuba, P. C., K. Ikwunze, R. C. Akazue, J. A. Ijisini, L. E. Okoye, C. O. Ezimoha, S. J. Umar und N. Onele. „Nutrient intake, body weight gain, nutrient digestibility and nitrogen utilization of West African dwarf goats fed Siam weed (Chromolaena odorata) leaf meal“. Nigerian Journal of Animal Production 50, Nr. 3 (14.05.2024): 48–61. http://dx.doi.org/10.51791/njap.v50i3.4026.
Der volle Inhalt der QuelleTurcotte, Véronique, Jean-François Blais, Guy Mercier und Patrick Drogui. „Utilisation des écailles de cacao comme support de biofiltration pour le traitement d’effluents de l’industrie agro-alimentaireArticles envoyés à la Revue du génie et de la science de l'environnement.“ Canadian Journal of Civil Engineering 36, Nr. 6 (Juni 2009): 1059–70. http://dx.doi.org/10.1139/l09-063.
Der volle Inhalt der QuelleCLINQUART, A., J. L. HORNICK, C. VAN EENAEME und L. ISTASSE. „Influence du caractère culard sur la production et la qualité de la viande des bovins Blanc Bleu Belge“. INRAE Productions Animales 11, Nr. 4 (03.10.1998): 285–97. http://dx.doi.org/10.20870/productions-animales.1998.11.4.3955.
Der volle Inhalt der QuelleEkuya, Alasca Lombolu, Jeancy Ntuka Luta, Irene Kibal Mande und Paul Mafuka Mbe-Mpie. „Physico-chemical characteristics of the biochars of Acacia sp, Bambusa sp, Eichchornia crassipes and Hymenocardia acida.“ Journal of Applied Biosciences 170 (28.02.2022): 17680–89. http://dx.doi.org/10.35759/jabs.170.2.
Der volle Inhalt der QuelleAdediran, O. A., und A. B. Omojola. „Evaluation of the effects of feeding selected antioxidant plants supplements on the performance and carcass characteristics of broiler chickens“. Nigerian Journal of Animal Production 48, Nr. 6 (18.01.2022): 156–66. http://dx.doi.org/10.51791/njap.v48i6.3288.
Der volle Inhalt der QuelleWalaszek, Milena, Julien Laurent, Paul Bois und Adrien Wanko. „Dynamique de rétention des micropolluants par un système extensif de traitement de rejets urbains de temps de pluie stricts d’un bassin versant résidentiel“. Revue des sciences de l’eau 31, Nr. 2 (03.10.2018): 89–95. http://dx.doi.org/10.7202/1051693ar.
Der volle Inhalt der QuelleKabore, Fidèle, Edmond Hien, Tockville B. Mare, Korodjouma Ouattara und Prosper N. Zombre. „Caractéristiques morpho-pédologiques et potentialités agricoles de sols développés sur roches dolomitiques dans le bassin de Taoudéni au Burkina Faso“. International Journal of Biological and Chemical Sciences 14, Nr. 6 (07.10.2020): 2333–51. http://dx.doi.org/10.4314/ijbcs.v14i6.32.
Der volle Inhalt der QuelleDissertationen zum Thema "Rétentions des nutriments"
Yan, Xingcheng. „Greenhouse gas emissions and nutrient retentions in reservoirs of the Seine Basin : budget and modelling“. Electronic Thesis or Diss., Sorbonne université, 2022. http://www.theses.fr/2022SORUS152.
Der volle Inhalt der QuelleThe impacts of reservoirs on greenhouse gas (GHG, including CH4: methane, CO2: carbon dioxide, and N2O: nitrous oxide) emissions and the biogeochemical cycling of nutrients (including C: carbon, N: nitrogen, P: phosphorus, and Si: silica) have received widespread attention. This work first estimates GHG emissions from global reservoirs and examines their long-term evolution, and then focuses on the main reservoirs in the Seine Basin to elucidate their contribution to GHG emissions and their impact on downstream nutrient and CO2 concentrations. Finally, the updated process-based Barman model was applied to these reservoirs to unravel the nutrient fates and CO2 dynamics in these reservoirs. At the global scale, the average fluxes of CH4, CO2, and N2O were 125.7 ± 21.2 mg C m-2 d-1, 415.7 ± 36.0 mg C m-2 d-1, and 0.28 ± 0.11 mg N m-2 d-1, respectively. Combing with the GranD database (global reservoir and dam database, v 1.3), we estimated that the annual GHG emission from global reservoirs amounted to 12.9 Tg CH4-C yr-1, 50.8 Tg CO2-C yr-1, and 0.04 Tg N2O-N yr-1. A high increase rate of GHG emissions occurred from 1950 to 1980, due to the rapid increases of the numbers and surface areas of global reservoirs at the same period. Focusing on the three main reservoirs of the Seine Basin, obvious seasonal patterns of CH4 and CO2 were observed, CH4 concentrations in these reservoirs were high in summer and autumn and low in winter and spring, and were significantly and positively correlated with water temperate and SDO (saturation of dissolved oxygen), which is in contrast to CO2. The three reservoirs were slight sources of GHG, with the average values of 6.6 mg CH4–C m–2 d–1, 132.7 mg CO2–C m–2 d–1, and 0.03 mg N2O–N m–2 d–1, which were lower than the average values of global reservoirs. Based on the long-term (1998-2018) water quality data and our field measurements (2019-2020), we found that the reservoirs significantly change their downstream water quality. They increase DOC (dissolved organic matter) and BDOC (biodegradable DOC) concentrations, while decrease the concentrations of DIN (dissolved inorganic nitrogen), PO43- (orthophosphate), DSi (dissolved silica), and CO2 during their emptying periods. The mass-balance calculation revealed that these reservoirs retained 16-53%, 26-48%, 22-40%, and 36-76% of the inputs of DIN, PO43-, DSi, and SM, respectively. Qualitative analysis suggested that the mixing effect of entering water (quantity and quality) and biogeochemical processes in these reservoirs are the two dominant factors affecting reservoir water quality changes, and thus resulting in the changes in downstream water quality. The application of the Barman model satisfactorily simulates the changes of water quality variables (nutrients and CO2) and explicitly unravels nutrient (C, N, P, and Si) fates in these reservoirs. The phytoplankton assimilation (for NO3-, PO43-, and DSi) and benthic denitrification (for NO3-) are the dominant processes in removing nutrients. The precipitation of CaCO3 and CO2 emission are responsible for the DIC removal in these reservoirs. The results of scenario analysis suggested that reservoir trophic states (P concentrations) and morphological characteristics (mean depth) would significantly affect the retention efficiencies of NO3- and DSi, and thus its biogeochemical functions to downstream reservoirs
Brunet, René-Claude. „Rôle de la zone inondable des Barthes de l'Adour dans la rétention des matières en suspension et des nutriments“. Toulouse 3, 1994. http://www.theses.fr/1994TOU30263.
Der volle Inhalt der QuelleRaducu-Trifu, Maria Cristina. „Transfert des nutriments dans le bassin du Danube et apports à la Mer Noire : modélisation et bilans“. Paris 6, 2002. http://www.theses.fr/2002PA066308.
Der volle Inhalt der QuelleLaurin-Lanctôt, Sara. „Effet de l'amendement en biochar des sols biologiques pour une culture de tomates sous serre : rétention en nutriments, activité biologique et régie de fertilisation“. Master's thesis, Université Laval, 2015. http://hdl.handle.net/20.500.11794/25931.
Der volle Inhalt der QuelleBlanchet, Catherine. „Le contenu en azote de Vallisneria americana : un élément intégrateur de l'hétérogénéité spatiale et temporelle du lac St-Pierre, un lac fluvial du fleuve St-Laurent“. Thèse, 2008. http://hdl.handle.net/1866/8139.
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