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Academic literature on the topic 'Couverture végétale du sol – Arctique'
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Journal articles on the topic "Couverture végétale du sol – Arctique"
Thiebeau, Pascal. "Relation entre taux de couverture du sol et biomasse de résidus de cultures : une simplification prédictive est envisageable." Cahiers Agricultures 28 (2019): 30. http://dx.doi.org/10.1051/cagri/2019031.
Full textDerrouch, Damien, Fabrice Dessaint, Émeline Felten, and Bruno Chauvel. "L’adoption du semis direct sous couvert végétal : transition douce ou rupture ?" Cahiers Agricultures 29 (2020): 5. http://dx.doi.org/10.1051/cagri/2020003.
Full textConedera, Marco, Nicola Bomio-Pacciorini, Pietro Bomio-Pacciorini, Stéphane Sciacca, Lindo Grandi, Amadou Boureïma, and Anna Maria Vettraino. "Reconstitution des écosystèmes dégradés sahéliens." BOIS & FORETS DES TROPIQUES 304, no. 304 (June 1, 2010): 61. http://dx.doi.org/10.19182/bft2010.304.a20448.
Full textChaaouan, Jamal, Ali Faleh, Abdelhamid Sadiki, and Haytham Mesrar. "Télédétection, SIG et modélisation de l'érosion hydrique dans le bassin versant de l'oued Amzaz, Rif Central." Revue Française de Photogrammétrie et de Télédétection, no. 203 (April 8, 2014): 19–25. http://dx.doi.org/10.52638/rfpt.2013.26.
Full textOuattara, Baba, Kalifa Coulibaly, Edmond Kohio, Sory Doumbia, Souleymane Ouédraogo, and Hassan B. Nacro. "Effets du Système de Culture sous couverture Végétale (SCV) sur les flux hydriques d’un sol ferrugineux à l’Ouest du Burkina Faso." International Journal of Biological and Chemical Sciences 12, no. 4 (December 13, 2018): 1770. http://dx.doi.org/10.4314/ijbcs.v12i4.20.
Full textSissoko, Fagaye, Sidiki Diarra, and Mamadou Traore. "Le semis direct sous couverture végétale : une opportunité de mise en place rapide du cotonnier en culture pluviale au Mali." International Journal of Biological and Chemical Sciences 14, no. 3 (June 18, 2020): 722–38. http://dx.doi.org/10.4314/ijbcs.v14i3.7.
Full textYles, Fouad, and Abderrazak Bouanani. "Sédiments en suspension et typologie des crues dans le bassin versant de l’oued Saïda (Hauts plateaux algériens)." Revue des sciences de l’eau 29, no. 3 (February 13, 2017): 213–29. http://dx.doi.org/10.7202/1038925ar.
Full textMuamba Kalenda Bwandamuka, Franco, John Banza Mukalay, Franck Katumbwe Ndandula, Francis Kabwe Masangu, Michel Mwamba Kasongo, Gaillard Mayamba Makanda, Jules Nkulu Mwine Fyama, and Emery Kasongo Lenge Mukonzo. "Évaluation du risque d’érosion sur quelques sols de la plaine de Lubumbashi, R.D. Congo." International Journal of Biological and Chemical Sciences 15, no. 5 (January 23, 2022): 2095–117. http://dx.doi.org/10.4314/ijbcs.v15i5.32.
Full textACHARKI, Siham, Pierre Louis FRISON, Mina AMHARREF, Hanna KHOJ, and Samed BERNOUSSI. "Complémentarité des images optiques SENTINEL-2 avec les images radar SENTINEL-1 et ALOS-PALSAR-2 pour la cartographie de la couverture végétale : application à une aire protégée et ses environs au Nord-Ouest du Maroc via trois algorithmes d’apprentissage automatique." Revue Française de Photogrammétrie et de Télédétection 223 (November 29, 2021): 143–58. http://dx.doi.org/10.52638/rfpt.2021.599.
Full textOusmane, LAMINOU MANZO, AMANI Abdou, DAN GUIMBO Iro, RACHIDI Abdou Harouna, and MAHAMANE Ali. "Impacts des banquettes dans la récupération des terres dégradées au Niger." Journal of Applied Biosciences 151 (July 31, 2020): 15510–29. http://dx.doi.org/10.35759/jabs.151.1.
Full textDissertations / Theses on the topic "Couverture végétale du sol – Arctique"
Allain, Alienor. "From specific production to homogenisation of dissolved organic matter produced by vegetation." Electronic Thesis or Diss., Sorbonne université, 2022. https://accesdistant.sorbonne-universite.fr/login?url=https://theses-intra.sorbonne-universite.fr/2022SORUS308.pdf.
Full textAlthough dissolved organic matter (DOM) represents a small fraction of soil organic matter (OM), it is involved in many biogeochemical processes in the environment. Its composition reflects its sources of production, and the processes it has been exposed to. However, the processes taking place immediately after DOM production are still poorly understood, due to its high reactivity. In terrestrial environments, fresh leaf litter is one of the major initial sources of DOM, before it is degraded. This PhD focused on the characterisation of DOM produced by different vegetation species, and the evolution of their properties during biodegradation. The relationship between the composition of vegetation cover and the molecular signature of DOM has been assessed, in order to determine the influence of vegetation on DOM properties in the environment. The water extractable OM (WEOM) produced by 6 vegetation species (C. stellaris, F. nivalis, E. vaginatum, B. nana, B. pubescens, and Salix sp.) were characterised through complementary analytical technics. The results showed that the quantity and composition of WEOM produced by vegetation were different between plant functional types (PFT). It was also pointed out that some proxies commonly used to characterise DOM were not relevant to the study of unprocessed WEOM. However, the comparison of relevant proxies indicated that graminoids were potentially less biodegradable than lichens, but more than shrubs. WEOM biodegradation experiments were carried out under controlled conditions. For this purpose, 4 species belonging to different PFT were selected, and their WEOM extracted. These species were C. stellaris (lichen), E. vaginatum (sedge), A. polifolia (dwarf evergreen shrub), and B. nana (deciduous dwarf shrub). The results showed a significantly higher consumption of WEOM produced by C. stellaris and E. vaginatum, than A. polifolia and B. nana, at the end of the experiment. In the meantime, the accumulation of recalcitrant compounds in WEOM was observed, especially for B. nana. These results put into light a more important biodegradability of lichens and graminoids compared to shrubs. Furthermore, the molecular diversity of WEOM significantly decreased for C. stellaris and E. vaginatum, whereas it increased for B. nana. Species-specific biodegradation processes have been brought to light. Finally, samples of DOM were collected from Arctic ecosystems with contrasted vegetation cover compositions. DOM samples were analysed by high resolution mass spectrometry (HRMS). Their molecular signatures were compared to each other, and to WEOM produced by vegetation. A great amount of compounds were common to all DOM samples. Despite these ubiquitous compounds, it was possible to discriminate ecosystems, based on the molecular compositions of their DOM. The contributions of each species to the vegetation cover were compared to the contributions of their WEOM to the molecular signature of DOM. These comparisons showed a significant positive correlation for B. nana, but not for other studied species. The results of this thesis show that the quantity and composition of produced WEOM are vegetation-specific. Consequently, WEOM biodegradability is also vegetation-specific. Therefore, the DOM produced by different vegetation species won’t have the same dynamic in the environment. Furthermore, the WEOM produced by vegetation are homogenised during their biodegradation
Helbert, Jérôme. "Estimation et modélisation de la distribution spatiale de l'eau au sein d'un couvert végétal : mise en oeuvre d'un dispositif multipôle fonctionnant en régime quasi-statique." Versailles-St Quentin en Yvelines, 2001. http://www.theses.fr/2001VERS0014.
Full textCerdan, Olivier. "Analyse et modélisation du transfert de particules solides à l'échelle de petits bassins versants cultivés." Orléans, 2001. http://www.theses.fr/2001ORLE2017.
Full textMederbal, Khalladi. "Compréhension des mécanismes de transformation du tapis végétal : approches phytoécologique par télédétection aérospatiale et dendroécologique de Pinus halepensis Mill dans l'ouest Algérie." Aix-Marseille 3, 1992. http://www.theses.fr/1992AIX3A009.
Full textCollineau, Serge. "Étude expérimentale des mouvements cohérents turbulents au voisinage des couverts végétaux." Châtenay-Malabry, Ecole centrale de Paris, 1993. http://www.theses.fr/1993ECAP0287.
Full textDiamouangana, Jean. "Contribution à l'étude des formations herbacées pâturées de la vallée du Niari, République populaire du Congo." Bordeaux 3, 1989. http://www.theses.fr/1989BOR30201.
Full textPetroff, Alexandre. "Etude mécaniste du dépôt sec d'aérosols sur les couverts végétaux." Aix-Marseille 2, 2005. http://theses.univ-amu.fr.lama.univ-amu.fr/2005AIX22026.pdf.
Full textThe dry deposition of aerosols onto vegetated canopies is modelled through a mechanistic approach. The interaction between aerosols and vegetation is first formulated by using a set of parameters, which are defined at the local scale of one surface. The overall deposition is then deduced at the canopy scale through an up-scaling procedure based on the statistic distribution of these parameters. This model takes into account the canopy structural and morphological properties, and the main characteristics of the turbulent flow. Deposition mechanisms considered are Brownian diffusion, interception, inertial and turbulent impaction, and gravitational settling. The model is validated on existing measurement campaigns, initially with coniferous branches and then with entire canopies of different roughness, such as grass, crop field and forest
Razafimbelo, Tantely. "Stockage et protection du carbone dans un sol ferrallitique sous systèmes en semis direct avec couverture végétale des Hautes Terres malgaches." Phd thesis, Ecole nationale superieure agronomique de montpellier - AGRO M, 2005. http://tel.archives-ouvertes.fr/tel-00772088.
Full textBenabdelmoumène, Mohand Salah. "Contribution à l'étude des relations sol-végétation dans les landes d'altitude de la partie orientale des Pyrénées." Toulouse 3, 1988. http://www.theses.fr/1988TOU30067.
Full textLe, May Christophe. "Effet de la structure du couvert végétal du pois protéagineux sur le développement spatio-temporel de l'enthracnose à Mycosphaerella pinodes : Conséquences sur l'élaboration du rendement." Rennes, Agrocampus Ouest, 2002. http://www.theses.fr/2002NSARC063.
Full textBooks on the topic "Couverture végétale du sol – Arctique"
Frédéric, Thomas, ed. Les sols agricoles: Comprendre, observer, diagnostiquer. Paris: Éditions France Agricole, 2016.
Find full textMorgan, R. P. C. 1942- and Rickson R. J, eds. Slope stabilization and erosion control: A bioengineering approach. London: Spon, 1995.
Find full textLeung, Anthony, Charles Wang Wai Ng, and Junjun Ni. Plant-Soil Slope Interaction. Taylor & Francis Group, 2019.
Find full textLeung, Anthony, Charles Wang Wai Ng, and Junjun Ni. Plant-Soil Slope Interaction. Taylor & Francis Group, 2019.
Find full textPlant-Soil Slope Interaction. Taylor & Francis Group, 2019.
Find full textNg, C. W. W., Anthony Leung, and Junjun Ni. Plant-Soil Slope Interaction. Taylor & Francis Group, 2021.
Find full textLeung, Anthony, Charles Wang Wai Ng, and Junjun Ni. Plant-Soil Slope Interaction. Taylor & Francis Group, 2019.
Find full textGreencover Canada: Forage selection guide. [Regina: Agriculture and Agri-Food Canada, 2003.
Find full textSlope Stabilization and Erosion Control: A Bioengineering Approach: A Bioengineering Approach. Spon Press, 1994.
Find full text(Editor), Michael Wulder, and Steven E. Franklin (Editor), eds. Understanding Forest Disturbance and Spatial Pattern: Remote Sensing and GIS Approaches. CRC, 2006.
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