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Academic literature on the topic 'Plantes – Conservation des ressources – Bénin'
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Journal articles on the topic "Plantes – Conservation des ressources – Bénin"
Fandohan, Adandé Belarmain, Lora Josiane Chadare, Gerard Nounagnon Gouwakinnou, Chénangnon Frédéric Tovissode, Alice Bonou, Spero Fréjus B. Djonlonkou, Loetitia F. H. Houndelo, Corine Laurenda B. Sinsin, and Achille Ephrem Assogbadjo. "USAGES TRADITIONNELS ET VALEUR ÉCONOMIQUE DE SYNSEPALUM DULCIFICUM AU SUD-BÉNIN." BOIS & FORETS DES TROPIQUES 332 (September 18, 2017): 17–30. http://dx.doi.org/10.19182/bft2017.332.a31330.
Full textYoussao, A. K. Issaka, G. B. Koutinhouin, T. M. Kpodekon, A. G. Bonou, A. Adjakpa, C. D. G. Dotcho, and F. T. R. Atodjinou. "Production porcine et ressources génétiques locales en zone périurbaine de Cotonou et d’Abomey-Calavi au Bénin." Revue d’élevage et de médecine vétérinaire des pays tropicaux 61, no. 3-4 (March 1, 2008): 235. http://dx.doi.org/10.19182/remvt.9995.
Full textARCHIMEDE, Harry, Denis BASTIANELLI, Audrey FANCHONE, Jean-Luc GOURDINE, and Louis FAHRASMANE. "Aliments protéiques dans les systèmes mixtes intégrés polyculture-élevage en régions tropicales." INRA Productions Animales 31, no. 3 (January 18, 2019): 221–36. http://dx.doi.org/10.20870/productions-animales.2018.31.3.2338.
Full textCeperley, Natalie, Florencia Montagnini, and Armand K. Natta. "Importance des sites sacrés pour la conservation des forêts-galeries au Centre-Bénin." BOIS & FORETS DES TROPIQUES 303, no. 303 (March 1, 2010): 5. http://dx.doi.org/10.19182/bft2010.303.a20450.
Full textAdjeran, Roméo Worou, Toussaint Olou Lougbegnon, and Gaudence Julien Djego. "Etude dendrométrique de Lophira lanceolata de la forêt classée de Toui-Kilibo et ses environs au Bénin." International Journal of Biological and Chemical Sciences 14, no. 5 (September 14, 2020): 1657–72. http://dx.doi.org/10.4314/ijbcs.v14i5.14.
Full textNiwah, Claudette Baye, Gilbert Todou, Konsala Souare, Abassi Abdoulaye, Sakitai Bay, and Efuet Atem. "Diversité et usages des plantes ligneuses des agrosystèmes périphériques de la ville de Maroua (Extrême-Nord, Cameroun)." International Journal of Biological and Chemical Sciences 14, no. 3 (June 19, 2020): 966–82. http://dx.doi.org/10.4314/ijbcs.v14i3.25.
Full textLawin, Iboukoun Fidèle, Obafemi Arnauld Fernand Laleye, and Onodjè Pierre Agbani. "Vulnérabilité et stratégies endogènes de conservation des plantes utilisées dans le traitement du diabète dans les communes de Glazoué et Savè au Centre-Bénin." International Journal of Biological and Chemical Sciences 10, no. 3 (December 6, 2016): 1069. http://dx.doi.org/10.4314/ijbcs.v10i3.14.
Full textAgbahoungba, Symphorien, Achille Ephrem Assogbadjo, Flora Josiane Chadare, Rodrigue Idohou, Valère Kolawolé Salako, Eric Etchikinto Agoyi, and Romain Lucas Glèlè Kakaï. "ECOLOGICAL DIVERSITY AND CONSERVATION OF WILD EDIBLE FRUIT TREE SPECIES IN THE LAMA FOREST RESERVE IN BENIN." BOIS & FORETS DES TROPIQUES 329, no. 329 (July 21, 2017): 53. http://dx.doi.org/10.19182/bft2016.329.a31312.
Full textPEREZ, J. M., G. BORIES, A. AUMAITRE, B. BARRIER-GUILLOT, A. DELAVEAU, L. GUEGUEN, M. LARBIER, and D. SAUVANT. "Conséquences en élevage et pour le consommateur du remplacement des farines et des graisses animales." INRAE Productions Animales 15, no. 2 (April 12, 2002): 87–96. http://dx.doi.org/10.20870/productions-animales.2002.15.2.3689.
Full textMana, Djibrilla, Souare Konsala, and Ibrahima Adamou. "Diversité et importance socio-économique des Loranthaceae parasites des plantes ligneuses des Monts Mandara dans la Région de l’Extrême-Nord, Cameroun." International Journal of Biological and Chemical Sciences 15, no. 2 (June 22, 2021): 578–93. http://dx.doi.org/10.4314/ijbcs.v15i2.16.
Full textDissertations / Theses on the topic "Plantes – Conservation des ressources – Bénin"
Baco, Mohamed Nasser. "Gestion locale de la diversité cultivée au Nord Bénin : éléments pour une politique publique de conservation de l'agrobiodiversité de l'igname (Dioscorea spp.)." Orléans, 2007. http://www.theses.fr/2007ORLE1091.
Full textYam (Dioscorea spp. ) has proven to play an essential role in food security within rural families of North Benin. Yam currently undergoes socio-cultural and economic changing environment. We analyzed the dynamic of yam varietal diversity in order to highlight whether or not different practises are affected by sociocultural diversity and how it favours agrobiodiversity. The study was undertaken in North of Benin targetting autochthon and migrant ethnic groups. We adopted socio-anthropological, economic and geographical approaches, coupled with interviews and census. The ethnic groups that adopted yam cultivation since unmemorable time still hold the most diverse collections of yam varieties. The involvement of some villages that act in same networks. This study highlighted the need to combine social determinants and geographical patterns in the conservation of agricultural diversity in Benin. Social and Geographical concerns indicate the need for taking into account regional and local scales in enhancing processes and interactions which support yams diversity. This study allowed to test the use of highlighted how local ecotypes are taken into account in the production systems and the agricultural policies of biodiversity conservation. This thesis led to a proposal of in situ conservation program which priorities the creation of an effective seed system and the implication of new actors through a more participatory approach. With the aim of answering the juridico-institutional directives which rise from Convention on the Biological Diversity, a south America models could be continued and adapted to Benin context
Nicolè, Florence. "Biologie de la conservation appliquée aux plantes menacées des Alpes." Université Joseph Fourier (Grenoble), 2005. http://www.theses.fr/2005GRE10127.
Full textThrough concrete examples of endangered plants chosen in the flora of the French Alps, this work presents the application of three main aspects classically used in conservation biology: the study of genetic variation, the study of reproductive performance and reproductive system and the study of population dynamics. First, we show that molecular markers are a useful tool to resolve taxonomic ambiguities and verify the status of conservation unit in the case of Potentilla delphinensis Gren. And Godron. They also allowed us to establish a strategy for population reinforcement of Dracocephalum austriacum L. Then, we show that the reproductive performances and the reproductive system are good indicators of population viability (Androsace septentrionalis L. And Cypripedium calceolus L. ). We also demonstrate the relevance of population matrix models and population viability analyses to understand better the biology and the ecology of an endangered species and to estimate its vulnerability (Cypripedium calceolus L. And Astragalus alopecurus Pallas). The combination of the different approaches on Dracocephalum austriacum indicate that genetic and demographic aspects interact and should be considered together to predict the viability of the populations. Finally, we propose theoretical and methodological recommendations, especially on the application of demographic approaches to endangered plants. Pragmatic applied management guidelines are proposed to enhance the protection of the flora
Dinh, Thi Thuy Van. "Le Traité international sur les ressources phytogénétiques pour l'alimentation et l'agriculture : instrument innovant pour la gestion de l'agro-phytodiversité." Limoges, 2010. http://aurore.unilim.fr/theses/nxfile/default/d26605e7-38ab-4945-98d6-bf9c1411526e/blobholder:0/2010LIMO1001.pdf.
Full textPlant genetic ressources for food and agriculture (PGRFA) are crucial for humanity. We inherit an amazing diversity of genetic ressources thanks to the work of generations of farmers (in situ conservation) and genebanks (ex situ conservation). The loss of the ressources would result in the potential for major food insecurity. Adopted in 2001, the International Treaty on PGRFA promotes an understanding of the importance of theses ressources and the implementation of solutions for their conservation and sustainable use. The Treaty has two main innovative elements: the recognition of farmers' rights to the ressources that past generations of farmers have developed, and the constitution of a Multilateral System of Access to and Benefit-Sharing of theses ressources. This thesis investigates the scope and application of the Treaty through a detailed study of its concepts and mechanisms and the relationship between the Treaty and other international texts (Convention on Biological Diversity, Convention for the Protection of New Varieties of Plants, patent law of the Agreement on Trade-Related Aspects of Intellectual Property Law). It analyses the effectiveness of legal means of implementation of the Treaty at regional, sub-regional and national levels. The establishment of this Multilateral System is a new and innovative tool of the management of natural ressources. In fact, it is an application of the concept of « common heritage of mankind » because it ensures that the genetic ressources held under the sovereignty of individual States are available to others. The concept of farmers' rights in the Treaty is complementary to existing Breeders' Rights, recognizing the active role of farmers in the conservation of PGRFA. The identification of mechanisms for the successful implementation of these two facets, several of which are explored within the thesis, is essential to the success of the Treaty
Courquin, Betty. "Prise en compte de l’adaptation locale et de la dépression hybride en biologie de la conservation : exemple de Biscutella neustriaca, endémique de Haute Normandie." Thesis, Lille 1, 2012. http://www.theses.fr/2012LIL10129/document.
Full textIn conservation management of threatened populations or species, reintroduction and reinforcement procedures constitute essential tools. However, transplanted individuals may either establish in the introduction site or be poorly adapted to it. Moreover outcrosses may either increase or decrease outbred progeny fitness, by heterosis or outbreeding depression respectively. In this context, understanding the pattern of genetic and adaptive differentiation between populations is essential for the elaboration of conservation strategies. The objective of the present study is to apply this proposition in the context of the conservation program of Biscutella neustriaca, a declining species. First, we investigated progeny fitness from crosses between populations at distinct geographic scales. Second, we examined ecological differences between habitats, genetic differences in life-history traits between populations and the pattern of local adaptation in greenhouse and in introduction sites. Third, we compared the efficiency of two conservative reinforcement strategies. Finally after a synthesis of these three parts we developed a protocol for the conservation of B. neustriaca and more widely we identified the parameters to include for a successful transfer of individuals in threatened species or for a better understanding of failed attempts
Romaniuc, Neto Sergio. "Taxonomie et biogéographie des genres sorocea a. St. -hil. , clarisia ruiz & pavon et trophis p. Browne (moraceae - urticales) : mise en évidence de centres d'endémisme et de zones à protéger au Brésil." Paris, Muséum national d'histoire naturelle, 1999. http://www.theses.fr/1999MNHN0009.
Full textMaurice, Anne-Claire. "Dynamiques des liens entre plantes rares, hommes et espaces : socio-anthropologie des pratiques de (ré)introductions végétales." Paris, Muséum national d'histoire naturelle, 2013. https://tel.archives-ouvertes.fr/tel-02063716.
Full textDuring the 70’s, a new type of approaches gained popularity among specialists of living organisms: “reinforcements”, “introductions” and “reintroductions” of rare or threatened plants. Associated with the development of conservation biology, these approaches aim at reestablishing individuals in nature. Applied to animals, they sometimes appeared at the core of conflicts of national concern. Applied to plants, often considered to have less in common and hold lesser ties with humans, they appear mainly unnoticed. Behind this seemingly quiet appearance, what meaning and importance did they acquire for specialists? From which knowledge and during which dynamic of scientific ideas were they built? This thesis investigates the relationships between rare plants, humans and space through the socioanthropological study of (re)introduction projects carried out during the 80’s and 90’s and targeting three plant taxa: Cistus psilosepalus Sweet in Bretagne, Centaurea corymbosa Pourr. In Languedoc- Roussillon, and Arenaria grandiflora L. In Île-de-France. This thesis reveals changes of paradigms during which reintroduction projects in France were promoted: from the convergence of agronomical genetics and unique French institutions emerging from local impulsions – Botanical conservatories – to the organization and territorialisation of plant conservation in France. As collective projects, studied (re)introductions resulted from varying motivations, often related to the construction of an identity and a territory. Considered with distinct spatio-temporal and taxonomic frames of reference, (re)introductions resulted in the attribution of hybrid statuses to targeted plants. These marginal statuses were reinforced by the contingency of these projects. Beyond the approaches, the importance of the locations – of wild plants, of laboratory environment, of naturalist prospects, or of authority territory of Botanical Conservatories – appears critical as it allows various specialists gathering on the same object, though the latter is continuously questioned and redefined by each specialist
Le, Viol Isabelle. "Dynamique et répartition de la diversité : contribution pour une meilleure intégration dans les actions de conservation : l'exemple des dépendances vertes autoroutières." Paris, Muséum national d'histoire naturelle, 2009. http://www.theses.fr/2009MNHN0004.
Full textIn the current context of biodiversity erosion, understanding processes controlling spatial and temporal distribution of diversity is a major challenge if we are to evaluate the impact of anthropogenic factors and propose efficient conservation policies. In this thesis, I focused on identifying mechanisms controlling different biodiversity components (populations and communities, taxonomic and functional diversity), using various tools to quantify biodiversity. The two aims were to: (1) improve our understanding of the relative impact of deterministic and stochastic processes in community assembly and (2) propose conservation strategies for two types of areas: protected areas (Iroise sea) and wider countryside (highway verges). My results show contrasted diversity patterns, depending whether the focus is on taxonomic or functional diversity (e. G. Specific richness vs. Species specialisation), or depending upon the taxonomic group (e. G. Plants vs. Spiders). Those results have direct implications in identifying underlying mechanisms but also in terms of conservation. I show that, while highway verges (ponds and embankment) can play a functional part in maintaining biodiversity, this part mainly depends upon management choices enhancing spatial biodiversity within those areas (e. G. Planting hedges). Finally, my results highlight the importance of taking into account the dynamic aspects of biodiversity to finetune management advices. In protected natural areas (Iroise sea), we have observed an impact of human activities on biodiversity (tourism, abandonment of farmlands) that can work against conservation objectives. However, we show that some management practices (concerted management of tourism, eradication of introduced species) can enhance the maintenance of protected species and ecosystems
Bastos, Rodolpho Zahluth. "Rivalités géopolitiques sur la biodiversité, l'enjeu de régulation de l'accès aux ressources génétiques au Brésil." Paris 8, 2009. http://www.theses.fr/2009PA083074.
Full textThe regulation of access to genetic resources is one of the central themes discussed in the Convention on Biological Diversity (CBD) in 1992. The Convention grants the countries the sovereign right to formulate and establish the conditions of access to the genetic resources available in their territories in order to ensure the fair and equitable sharing of benefits from the use of it. Brazil as one of the richest countries in biodiversity in the world is very concerned in this question. However, since the adoption of the CBD, Brazilian governments seem inefficient to establish laws and policies for controlling the exchanges of genetic resources to allow "access and benefit-sharing" (ABS). The implementation of ABS in Brazil seems very complex, plenty of issues and rivalries from many agents. This PhD thesis aims to expose the raisons of this malfunctioning from the standpoint of different conflict levels. A three scale analysis (international, national, local) is developed trying to clarify the main issues of biodiversity regulation
Lavieville, Laurence. "Étude de la microtubérisation in vitro de la Pomme de terre (Solanum tuberosum L. )." Amiens, 1991. http://www.theses.fr/1991AMIE0100.
Full textArrignon, Florent Balent Gérard. "HOVER-WINTER un modèle multi-agent pour simuler la dynamique hivernale d'un insecte auxiliaire des cultures (Episyrphus balteatus, Diptera: Syrphidea) dans un paysage hétérogène /." Toulouse : INP Toulouse, 2007. http://ethesis.inp-toulouse.fr/archive/00000444.
Full textBooks on the topic "Plantes – Conservation des ressources – Bénin"
La gouvernance des ressources naturelles au Bénin. Cotonou, Bénin: Star Editions, 2008.
Find full textinternational, Botanic gardens conservation. Methodological recommendations for botanic gardens on the reintroduction of rare and threatened plants. Moscow: Botanic Gardens Conservation International, 2008.
Find full textAtelier scientifique sur les activités de recherche du projet in situ au Burkina Faso (2002 Ouagadougou, Burkina Faso). La gestion de la diversité des plantes agricoles dans les agro-écosystèmes: Compte-rendu des travaux de l'atelier scientifique organisé par le CNRST, l'INERA et l'Institut international des ressources phytogéné́diteurs. [Nairobi]: Institut International des ressources phytogénétiques, 2004.
Find full textFoundation, Dag Hammarskjöld, International Development Research Centre (Canada), and International Plant Genetic Resources Institute., eds. Seeding solutions. Ottawa: International Development Research Centre, 2000.
Find full textFoundation, Dag Hammarskjöld, International Development Research Centre (Canada), and International Plant Genetic Resources Institute., eds. Seeding solutions. Ottawa: International Development Research Centre, 2001.
Find full textHeijnsbergen, P. van. International legal protection of wild fauna and flora. Amsterdam: IOS Press, 1997.
Find full textMaxted, N., B. V. Ford-Lloyd, and J. G. Hawkes. Plant Genetic Conservation: The in situ approach. Springer, 1997.
Find full textNigel, Maxted, Ford-Lloyd Brian, and Hawkes J. G. 1915-, eds. Plant genetic conservation: The in situ approach. London: Chapman & Hall, 1997.
Find full text(Editor), J. T. Williams, and J.H.W. Holden (Editor), eds. Crop Genetic Resources. HarperCollins Publishers Ltd, 1985.
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