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Статті в журналах з теми "Diversité agricole"
Bourgoin, Jérémy, Djibril Diop, Djiby Dia, Moussa Sall, Romaric Zagré, Quentin Grislain, and Ward Anseeuw. "Regard sur le modèle agricole sénégalais : pratiques foncières et particularités territoriales des moyennes et grandes exploitations agricoles." Cahiers Agricultures 29 (2020): 18. http://dx.doi.org/10.1051/cagri/2020018.
Повний текст джерелаHERCULE, J., V. CHATELLIER, L. PIET, B. DUMONT, M. BENOIT, L. DELABY, C. DONNARS, I. SAVINI, and P. DUPRAZ. "Une typologie pour représenter la diversité des territoires d’élevage en Europe." INRA Productions Animales 30, no. 4 (June 25, 2018): 285–302. http://dx.doi.org/10.20870/productions-animales.2017.30.4.2260.
Повний текст джерелаCardona, Aurélie, Marianne Cerf, and Marc Barbier. "Mettre en œuvre l’action publique pour réduire l’usage des pesticides : reconnaître les activités d’intermédiation." Cahiers Agricultures 30 (2021): 33. http://dx.doi.org/10.1051/cagri/2021020.
Повний текст джерелаDuvernoy, Isabelle, and María-Amalia Lorda. "L’agriculture urbaine et périurbaine dans la région pampéenne argentine : fonctions et articulations avec les politiques des villes." Environnement urbain 6 (January 15, 2013): 50–63. http://dx.doi.org/10.7202/1013712ar.
Повний текст джерелаManga, Sylvestre-José-Tidiane. "Les Organismes génétiquement modifiés (OGM) et la société: Le principe de précaution, une norme de régulation du débat social?" Canadian journal of law and society 15, no. 1 (April 2000): 221–45. http://dx.doi.org/10.1017/s0829320100006244.
Повний текст джерелаAudouin, Sarah, Patrick Dugué, Narilala Randrianarisona, Hycenth Tim Ndah, Tovo Ratsimbazafy, Harilala Andriamaniraka, Edson Samuel Noharinjanaharya, Noroseheno Ralisoa, and Syndhia Mathé. "Quelle place du conseil agricole dans les services support à l’innovation à Madagascar ?" Cahiers Agricultures 30 (2021): 29. http://dx.doi.org/10.1051/cagri/2021017.
Повний текст джерелаColson, François. "Le développement agricole face à la diversité de l'agriculture française." Économie rurale 172, no. 1 (1986): 3–9. http://dx.doi.org/10.3406/ecoru.1986.3743.
Повний текст джерелаSAID (Sonia), RAMEAU (Jean-Claude), and BRUN (Jean-Jacques). "Evolution et diversité végétale en Corse suite à la déprise agricole." Revue Forestière Française, no. 4 (2003): 309. http://dx.doi.org/10.4267/2042/5196.
Повний текст джерелаCHATELLIER, V. "Les exploitations laitières françaises sont-elles assez performantes pour faire face à une baisse du prix du lait ?" INRAE Productions Animales 15, no. 1 (February 12, 2003): 17–30. http://dx.doi.org/10.20870/productions-animales.2002.15.1.3684.
Повний текст джерелаAissaoui, Sonia, Pascale Bueno Merino, and Samuel Grandval. "Les antécédents de la confiance dans la coopération amapienne1." Revue internationale P.M.E. 30, no. 1 (May 3, 2017): 121–54. http://dx.doi.org/10.7202/1039788ar.
Повний текст джерелаДисертації з теми "Diversité agricole"
Andrieu, Nadine. "Diversité du territoire de l'exploitation d'élevage et sensibilité du système fourrager aux aléas climatiques : étude empirique et modélisation." Paris, Institut national d'agronomie de Paris Grignon, 2004. http://www.theses.fr/2004INAP0027.
Повний текст джерелаMaizeray, Lidwine. "La gestion de la diversité mise à l'épreuve : le cas du groupe Crédit Agricole SA." Thesis, Paris 2, 2014. http://www.theses.fr/2014PA020057/document.
Повний текст джерелаThe institutional pressure of laws and associations, as well as the search for economic performance, combined with various expectations, create a gap of perception between the idea of an ideal policy and the reality of diversity felt by the actors within their organisation.This gap leads to forms of demotivation and demobilisation, unfavourable to the development of a diversity policy which would claim to be efficient. How could we actually limit the unavoidable slowdown of the diversity management? Once the reasons why the actors of an organisation such as Crédit Agricole S.A. are restrained in developing an inclusive type of diversity management are analysed, this thesis brings tangible solutions to manage diversity in a way which is closer from the actors’ expectations.From a triangulation of data analysis within the framework of a qualitative methodology,inclusion has not necessarily appeared as the actors’ main expectation. Participative observation, the main case study highlighted with 3 complementary cases, 55 interviews (15 about diversity + 40 related to the handicap dimension), allow thus to bring managerial propositions to meet the main expectation of the actors which is the need to dialogue, in the sense of talk. The first step involves identifying the actors likely to be demotivated in order to mobilize them by allowing them to speak again afterwards. Allow them to speak does not necessarily involves setting up formal procedures, but more precisely taking time to exchange, creating a sharing time and thus establishing a better quality of life at the workplace
Dembele, Sidi. "Structuration spatiale de la biodiversité agricole dans la zone cotonnière du Mali." Thesis, Normandie, 2018. http://www.theses.fr/2018NORMC046.
Повний текст джерелаThe diversity of cropping systems and varieties plays an important role in the ability of family farms to withstand socio-economic and environmental shocks. For better conservation, this agricultural diversity needs to be characterized and monitored in space and time. While they were dominated by elements of price, area and production until recently, agricultural monitoring systems are beginning to integrate diversity issues. The diversity of cropping systems and varieties plays an important role in the ability of family farms to resist socio-economic and environmental shocks, whereas until the end of the 1990s it was considered as a limiting factor in improving the productivity of farming systems in varietal selection processes. In a situation of uncertain rainfall, to reduce the risk of this hazard, farmers use several species and varieties to survive and produce through all the hazards encountered. The peasant strategy consists in cultivating several varieties with different agronomic characteristics (early maturity, yield, resistance to diseases, parasites and drought, etc.) and culinary in the same field or in different fields. This strategy allows farmers to cultivate the varieties best suited to the soil conditions of their fields and to meet their diverse needs.It is in this context that this thesis focuses on the spatial structuring of agrobiodiversity in the cotton zone. To achieve this objective, several methods and approaches have been used. The approach adopted combines the digital analysis of satellite imagery and the use of data from field surveys. The analysis of these data is based on the spatial distribution of biodiversity and its correlation with agro-ecological practices and conditions, agronomic performance and performance.The main results from the analysis of the study data are:a) There is a great heterogeneity and diversity of landscapes in the cotton zone of Mali-Sud with a total of eleven (11) landscape units;b) There is great diversity at the specific level and in cropping systems. The mean values of the most specific indicator of diversity are recorded in villages where the mean rainfall is between 700 and 1000 mm of water followed by villages of less than 700 mm;c) The specific pressure indicator shows a geographical distribution of the pressures of the different crop species. Indeed, in villages where cotton is at the head of rotation, it exerts strong pressure on other species. In these villages, the cotton area is much larger than for the other species;d) For yield, most villages have average yields of cotton above the national average in 2015. Analyzing its evolution between 2013 and 2015, there is a decline in yield in most villages if this decline is very often sawtooth with increases in 2013 and 2014.e) The yield stability indicator shows that yields are stable with all species except maize.These results open the way for a greater contribution of geography in agronomic analysis
Jamin, Jean-Yves. "De la norme à la diversité : L'intensification rizicole face à la diversité paysanne dans les périmètres irrigués de l'Office du Niger (Mali)." Phd thesis, Institut national agronomique paris-grignon - INA P-G, 1994. http://tel.archives-ouvertes.fr/tel-00408411.
Повний текст джерелаCette diversité des réponses nous a conduit à nous interroger sur la diversité des fonctionnements des exploitations agricoles. Celle-ci a été analysée dans une démarche "systèmes de production" prenant en compte aussi bien le riz que les activités non-rizicoles, mais aussi dans une démarche de "recherche-développement" associant étroitement les cadres du développement aux travaux entrepris.
La typologie élaborée met en évidence l'importance des composantes non rizicoles des systèmes de production dans le fonctionnement global de ceux-ci, mais aussi la sensibilité des exploitations de l'Office du Niger aux aléas extérieurs. Les suivis de parcelles effectués montrent que cette diversité des fonctionnements a des conséquences sur la conduite des rizières, puisque l'on retrouve à ce niveau une assez forte variabilité des pratiques culturales. A partir de là, des recherches plus techniques ont été entreprises pour répondre aux problèmes identifiés, avec le souci d'élaborer des références susceptibles de valoriser la diversité des exploitations agricoles et utilisables facilement par des conseillers agricoles.
La typologie n'est pas restée un outil de description de la réalité, elle a pu être utilisée pour définir des actions prenant en compte la diversité des exploitations. Pour les recherches techniques, elle a conduit à mettre l'accent sur la mise au point de modèles d'intensification différenciés, plus souples. Pour le conseil technique rizicole, elle a permis de moduler les conseils en fonction des objectifs et des contraintes des différents types d'exploitations. Elle a aussi permis, en montrant l'importance des activités non-rizicoles dans le fonctionnement de certains types d'exploitations, de développer un conseil sur le maraîchage et l'élevage, auparavant négligés. Enfin, elle fournit aux décideurs politiques et financiers des éléments sur les mesures à prendre en matière de réhabilitation des casiers, de réattribution foncière, d'aménagement de l'espace, d'intégration sociale et d'organisation des producteurs.
Motte-Bienabe, Estelle. "Les politiques de conservation de la diversité biologique : évaluations, critères de décision et incitations." Montpellier 1, 2000. http://www.theses.fr/2000MON10071.
Повний текст джерелаBarnaud, Adeline. "Savoirs, pratiques et dynamiques de la diversité génétique : le sorgho (Sorghum bicolor ssp. bicolor) chez les Duupa du nord Cameroun." Montpellier 2, 2007. http://www.theses.fr/2007MON20103.
Повний текст джерелаMauchamp, Leslie. "Biodiversité et gestion des écosystèmes prairiaux en Franche-Comté." Thesis, Besançon, 2014. http://www.theses.fr/2014BESA2036/document.
Повний текст джерелаGrassland ecosystems are submitted to human pressure, especially due to agricultural management, preventing their natural succession toward the forest. However, when this pressure become too important, it could lead to a decrease of the diversity of plant communities (especially primary and secondary consumers) and of all communities that depend on them. As biodiversity is recognized to play an important role in the realization of ecosystem functions and services that benefit to human societies every day, important anthropic pressures could alter the maintaining of these services.In order to provide complementary information on the response of plant communities to anthropogenic factors, it is necessary to take into account the complexity of biodiversity, especially by including the various taxonomic, phylogenetic and functional facets of diversity. In addition, the spatial scale has to be taken into account, by comparing alpha (intra-site), beta (inter-site) components of the gamma diversity of a given parcel or region:.In this project, we especially focused on the complementarity of these approaches to diversity in order to assess the response of plant communities of the French Jura Mountains to agricultural practices used in this area. The production of PDO cheese, and especially the Comté cheese, offers an original framework for such investigations as the existence of this production is associated to strict regulations imposed to farmers for the management of their grassland systems. We studied the vegetation of 48 grasslands, split according to an altitudinal gradient (First Plateau, Second Plateau, High Range) by using an original multi-scale sampling design with plot sizes of 0.01, 1, 10 and 1000 m². The agricultural practices used on these 48 parcels have also been recorded by submitting questionnaires to farmers. In addition, we collected data on soil conditions in each parcel, including soil depth and physico-chemical analyses performed on 0 – 10 cm superficial soil samples.[...]The comparison of the species composition of 150 phytosociological relevés recorded in the 1990’s and repeated in 2012 reveals important changes in the floristic composition of grasslands. The general trend observed for the overall set of relevé suggests that contemporary communities are more adapted to frequent and/or intense defoliations, have a higher pastoral value and indicate a higher level of nutrient content in the soil. We also record differences in phylogenetic diversity values between the two sessions of relevés (while the taxonomic diversity of Simpson do not change) and so show that a loss of phylogenetic lineages among time.[...]The accumulation of phosphorous in the soil, associated to increasing nitrogen supply, especially in the form of inorganic fertilizers, can partly explain this trend. Even though we do not record any significant reduction of taxonomic diversity, the functional changes already observed suggest that the diversity could potentially decrease in the future.[...]
Lorel, Claire. "Concilier le développement urbain et agricole avec la conservation de la biodiversité : anticipation de l'empreinte des activités anthropiques sur la biodiversité par une approche fonctionnelle et multi-trophique." Thesis, Paris, Muséum national d'histoire naturelle, 2018. http://www.theses.fr/2018MNHN0009/document.
Повний текст джерелаThe strong growth of Human populations has led to the intensification of land uses and land covers, especially in agricultural lands for food production and livestock, resulting in a higher appropriation of net primary productivity. As primary productivity is the root of food webs and ecological networks, any change in this essential process is likely to have a strong impact on biodiversity. Besides, intensification is a complex process whose three dimensions - inputs, outputs and system - are rarely studied together. The conceptual and methodological framework of HANPP (Human Appropriation of Net Primary Production) proposed by Helmut Haberl and collaborators in 2007, aims to quantify different parameters of intensification. First, I explored the variability of HANPP components and their relationships to other intensification indices (i.e. HNV, IC / ha) to better interpret the variability of HANPP and its components. HANPP seems to be linked to both the "system" and "output" dimensions of land use intensity and appears to complement the other indicators considered. Then, I investigated the relationship between HANPP and biodiversity, focusing on two taxa complementary in their ecosystem functions, i.e. birds and bats. Using data from citizen-science programs occurring in metropolitan France, I showed that intensification: i) decreased species richness, abundance and the average mass of bats, and ii) simplified the structure of avian communities by lowering the average trophic level and functional regularity, to the benefit of farmland specialists. In addition, I observed that the response of biodiversity could widely vary depending on the indicator and / or facet (taxonomic or functional) studied. Through my analyzes, I was able to clarify the conditions of use of the HANPP methodological framework. I also identified areas and types of landscape where land use intensity can coexist with biodiversity. All of these results form the basis for a discussion on opportunities to reconcile conservation efforts with intensification
Sauget, Nicole. "Agro-écosystème et société : la diversité des façons de produire des agriculteurs dans les coteaux de Gascogne." Paris 10, 1996. http://www.theses.fr/1996PA100005.
Повний текст джерелаVillemey, Anne. "Trame verte et papillons de jour en contexte agricole : influence du paysage sur la dispersion, la diversité génétique et la composition des communautés." Thesis, Orléans, 2015. http://www.theses.fr/2015ORLE2052/document.
Повний текст джерелаThe implementation of the “Green and Blue Infrastructure” in France intends to ensure the functional connectivity of habitats (green veining). It is one of the nature conservation policies which aim to reduce the loss of biodiversity caused by the destruction and degradation of natural habitats. The objective of this work was to quantify the impact of connectivity, in comparison to other environmental factors, on the diversity of butterfly communities and their genetic diversity in three French agricultural regions. Two different approaches were applied to understand the underlying processes driving these diversity patterns: i) the study of the whole community and of the different ecological groups, ii) the study of landscape features resistances to butterfly dispersal using a landscape genetics approach on one species: the Meadow brown (Maniola jurtina L.). Our findings show that although local characteristics play a dominant role, landscape context does have an influence on community composition. Arable land cover decreases species diversity, and the Meadow brown genetic diversity and gene flow. Grasslands support more species rich communities, including non-frequent species. Grassy linear landscape elements host impoverished communities, but improve Meadow brown dispersal and enhance its genetic diversity. Species diversity is higher within grasslands in proximity to woody habitats: butterflies may benefit from resources on forest edges; moreover, woodlands seem to limit Meadow brown dispersal while increasing its genetic diversity. The habitat complementarity we evidenced here led us to question the classic model of ecological continuities as a collection of independent sub-networks, one for each type of habitat. According to conservation issues, species under interest and landscape contexts, we also need to identify situations where, among a broad panel of possible conservation actions, increasing connectivity is the most effective solution
Книги з теми "Diversité agricole"
W, Collins Wanda, and Qualset Calvin O, eds. Biodiversity in agroecosystems. Boca Raton: CRC Press, 1999.
Знайти повний текст джерелаAltieri, Miguel A. Biodiversity and pest management in agroecosystems. New York: Food Products Press, 1994.
Знайти повний текст джерелаAltieri, Miguel A. Biodiversity and pest management inagroecosystems. New York: Food Products Press, 1994.
Знайти повний текст джерелаCanada, Canada Agriculture et agroalimentaire. Caractéristiques du secteur agricole diversifié du canada. [Ottawa]: Agriculture et agroalimentaire Canada, 2002.
Знайти повний текст джерелаAgrobiodiversity and the law: Regulating genetic resources, food security and cultural diversity. New York, NY: Earthscan, 2011.
Знайти повний текст джерелаInstitute, World Resources, ed. Cultivating diversity: Agrobiodiversity and food security. Washington, DC: World Resources Institute, 1998.
Знайти повний текст джерелаCanada, Canada Agriculture and Agri-Food. Biodiversity initiatives : Canadian agricultural producers. [Ottawa]: Agriculture and Agri-Food Canada, 1997.
Знайти повний текст джерелаMelinda, Smale, ed. Valuing crop biodiversity: On-farm genetic resources and economic change. Wallingford: CABI Pub., 2005.
Знайти повний текст джерелаClaude, Raynaut, ed. Sahels: Diversité et dynamiques des relations sociétés-nature. Paris: Karthala, 1997.
Знайти повний текст джерелаP, Burnham C., ed. The diversion of land: Conservation in a period of farming contraction. London: Routledge, 1991.
Знайти повний текст джерелаЧастини книг з теми "Diversité agricole"
Gaillard, Jacques. "Diversité des politiques nationales de coopération scientifique." In Politiques d'aide et recherche agricole, 117. Editions Quæ, 2001. http://dx.doi.org/10.3917/quae.dron.2001.01.0117.
Повний текст джерелаLaurent, Catherine, Cristina Rueda Catry, and Eleftheria Vounouki. "7. Diversité des formes d'activité agricole et des destinataires des aides de la PAC." In La politique agricole commune, 211–39. Presses de Sciences Po, 2004. http://dx.doi.org/10.3917/scpo.delor.2004.01.0211.
Повний текст джерелаTorou, Bio M., Thomas B. Yameogo, Aymar Yaovi Bossa, Fourvouon Somé, and Evariste D. Da. "Chapitre 13. Diversité des processus de valorisation agricole des bas-fonds et durabilité des aménagements au Burkina Faso." In Risques climatiques et agriculture en Afrique de l’Ouest, 179–88. IRD Éditions, 2020. http://dx.doi.org/10.4000/books.irdeditions.36349.
Повний текст джерела"5: Georg Agricola." In De Diversis Artibus, 111–34. Turnhout: Brepols Publishers, 2005. http://dx.doi.org/10.1484/m.dda-eb.4.00548.
Повний текст джерелаESCAFFRE, Fabrice, Mélanie GAMBINO, and Sinda HAOUÈS-JOUVE. "Une approche territoriale des espaces urbains entre durabilité et habitabilité." In Gestion intégrée de l’environnement urbain et résilience, 117–67. ISTE Group, 2023. http://dx.doi.org/10.51926/iste.9077.ch3.
Повний текст джерелаMundler, Patrick. "Unité de l’agriculture et diversité des exploitations agricoles. Des représentations en évolution." In L’agriculture en famille : travailler, réinventer, transmettre, 65. EDP Sciences, 2015. http://dx.doi.org/10.1051/978-2-7598-1192-2.c005.
Повний текст джерелаMundler, Patrick. "Unité de l’agriculture et diversité des exploitations agricoles . Des représentations en évolution." In L'agriculture en famille : travailler, réinventer, transmettre, 65–80. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-1765-8-005.
Повний текст джерелаMundler, Patrick. "Unité de l’agriculture et diversité des exploitations agricoles . Des représentations en évolution." In L'agriculture en famille : travailler, réinventer, transmettre, 65–80. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-1765-8.c005.
Повний текст джерелаCOUIX, Nathalie, Camille LACOMBE, Floriane DERBEZ, and Martine NAPOLEONE. "La mise en projets de l’agroécologie." In Pratiques et savoirs agricoles dans la transition agroécologique, 207–24. Editions des archives contemporaines, 2022. http://dx.doi.org/10.17184/eac.3047.
Повний текст джерелаТези доповідей конференцій з теми "Diversité agricole"
Fedeli, Raul Enzo, and Stefano Magaudda. "Il progetto rewetland: riqualificazione ambientale dell’Agro Pontino attraverso la valorizzazione ricostruzione del paesaggio storico." In International Conference Virtual City and Territory. Roma: Centre de Política de Sòl i Valoracions, 2014. http://dx.doi.org/10.5821/ctv.8011.
Повний текст джерела