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Academic literature on the topic 'Écologie des pâturages – Argentine'
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Journal articles on the topic "Écologie des pâturages – Argentine"
Acherkouk, Mohamed, Abdesselam Maatougui, and Mohamed Aziz El Houmaiz. "Communautés végétales et faciès pastoraux dans la zone de Taourirt-Tafoughalt du Maroc oriental: écologie et inventaire floristique. Vegetation and pasturelands in Taourirt-Tafoughalt (Eastern Morocco): ecology and flora." Acta Botanica Malacitana 36 (December 1, 2011): 125–36. http://dx.doi.org/10.24310/abm.v36i1.2773.
Full textDissertations / Theses on the topic "Écologie des pâturages – Argentine"
Rossanigo, Carlos Esteban. "Rôle de l'eau et de la température sur les taux de développement des nématodes parasites du tractus digestif des ruminants." Montpellier 2, 1992. http://www.theses.fr/1992MON20293.
Full textViard-Crétat, Flore. "Mécanismes de régénération des espèces végétales dans les prairies subalpines sur un gradient d’extensification des pratiques agricoles." Montpellier 2, 2008. http://www.theses.fr/2008MON20075.
Full textGallet, Sébastien. "Les landes atlantiques : de l'écologie des perturbations à la gestion conservatoire : exemple du site mégalithique de Carnac." Rennes 1, 2001. http://www.theses.fr/2001REN10023.
Full textLambertin, Michel. "Les écosystèmes d'altitude et le pâturage ovin : éléments pour la gestion d'un alpage." Montpellier 2, 1987. http://www.theses.fr/1987MON20207.
Full textBertolami, Miguel Angel. "Structures paysagères, production et dégradation des steppes de Patagonie argentine, Département d'Escalante, Province de Chubut." Toulouse 2, 2003. http://www.theses.fr/2003TOU20032.
Full textThe aim of this work is to study the primary production and degradation of the landscape units in the Escalante Department of Chubut Province in the Argentine Patagonia. The sheep grassing has be the most important element in the population development processes at regional level along the XXth century and also the causes of the desertification processes in the arid natural landscapes. In the southeast area of Chubut Province, with a strong rain gradient are delimitated landscape units, from the climatic; geomorphological; topographics and phytogeographical characteristics. In these units the primary production and degradation levels are evaluated, to the field measures and the LANDSAT 5 and 7 data. The results confirm the higher level of carrying capacity in the eastern units, but in some cases the floristic composition is most important than the simple biomass measures. In relation to environmental degradation, the western units are high values than the eastern ones; with the exception the edaphic conditionated units in the east. The vegetation index (Normalized Difference Vegetation Index) of the remote sensings products of 1986, 1997 and 2001, with strong climatic differences, are an moderate correlation to the primary production and environmental degradation. By other hands, the use of NDVI to delimitation the primary production in the most degradated soils is very complex and the floristic composition indetected in the satellital data, take an important place in the primary productivity evaluation. The analysis of these results shows the satellital imagery importance to asses and monitoring arid environment and also the fragility of predictions in ecosystems with high level of climatical interannual variability
Fily, Marc. "Succession post-culturale et pression de pâturage dans les Pyrénées centrales : étude à l'échelle de l'écosystème, de la communauté et d'une population de Dactylis glomerata L. prise comme modèle." Toulouse 3, 1990. http://www.theses.fr/1990TOU30132.
Full textBlanfort, Vincent. "Agro-écologie des pâturages d'altitude à l'île de la Réunion : pratiques d'éleveurs et durabilité des ressources herbagères dans un milieu à fortes contraintes." Paris 11, 1996. http://www.theses.fr/1996PA112525.
Full textVolaire, Florence. "Etude phyto et agro-écologique des formations herbacées de Corse." Montpellier 2, 1989. http://www.theses.fr/1989MON20034.
Full textBotoni, Hazin Edwige. "Intéractions élevage-environnement : dynamique des paysages et évolution des pratiques pastorales dans les fronts pionniers du sud-ouest du Burkina Faso." Montpellier 3, 2003. http://www.theses.fr/2003MON30058.
Full textHow landscape evolution, resources allocation for extensive livestock production systems, impact the current pastoral practices, taking into consideration that these landscapes are the result of past and current agricultural and pastoral practices. To answer this question, two contrasted territories characterised by different rates of land occupation (Ouara and Torokoro) were studied both located in the sub-wet zone (900-1000 mm precipitation) of the Burkina Faso savannas. Our landscape analysis is based on two spatial and temporal scales. On territories scale, landscape evolution was analysed through a diachronic approach. Landscape transformations modelling processed at three dates (1956, 1983 and 1998), showed the conversion trends in the type of land occupation. These landscape transformations are then matched with socio-economic dynamics to identify and point out the key factors of the landscape evolutions. At the scale of the station the evolution of plant biodiversity is studied through a synchronic approach which compares the floristic composition of pastures subjected to various types of pastoral pressures. The last part of the study compares herd’s mobility according the two different ecological environments. Determinants of pastoral mobility are suggested for daily and seasonal herding. A software application was developed under SIG to model the cattle movement. It is then possible to evaluate and study the herd’s presence on the various vegetation types and quantify the grazing pressure
Bastrenta, Brigitte. "Démographie des populations d'Anthyllis vulneraria L. (Leguminosae) : étude expérimentale de l'influence du pâturage en conditions naturelles et contrôlées." Montpellier 2, 1989. http://www.theses.fr/1989MON20002.
Full textBooks on the topic "Écologie des pâturages – Argentine"
1919-, Sparks B. Abbott, ed. Cattle in the cold desert. Logan, Utah: Utah State University Press, 1985.
Find full textHooper, Tracey D. Breeding bird communities and habitat associations in the grasslands of the Chilcotin Region, British Columbia. [Victoria, B.C.]: Canadian Forest Service, 1996.
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