Academic literature on the topic 'Plantes menacées'
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Journal articles on the topic "Plantes menacées"
Miara, Mohamed Djamel, Mohammed Ait Hammou, and Khellaf Rebbas. "Flore endemique, rare et menacees de l'Atlas Tellien Occidental de Tiaret (Algerie)." Acta Botanica Malacitana 42, no. 2 (February 20, 2018): 269–83. http://dx.doi.org/10.24310/abm.v42i2.3590.
Full textBordenave, Bruno Georges, Fanch Lehir, and Matthieu Lorans. "État des connaissances sur les plantes menacées de Guyane." Revue d'Écologie (La Terre et La Vie) 11, no. 1 (2012): 29–45. http://dx.doi.org/10.3406/revec.2012.1664.
Full textNzuki Bakwaye, Flavien, Céline Termote, A. O. Kibungu Kembelo, and Patrick Van Damme. "Identification et importance locale des plantes médicinales utilisées dans la région de Mbanza-Ngungu, République démocratique du Congo." BOIS & FORETS DES TROPIQUES 316, no. 316 (June 1, 2013): 63. http://dx.doi.org/10.19182/bft2013.316.a20531.
Full textKpemissi, Eyana Amana, Komlan Batawila, Kouami Kokou, Kossi Koumaglo, Comlan de Souza, Philippe Bouchet, and Koffi Akpagana. "Propriétés antimicrobiennes de trois plantes psammophiles du littoral togolais menacées de disparition." Acta Botanica Gallica 150, no. 1 (March 2003): 107–15. http://dx.doi.org/10.1080/12538078.2003.10515990.
Full textAkpavi, Sêmihinva. "Plantes alimentaires mineures ou menacées de disparition au Togo: diversité, ethnobotanique et valeurs." Acta Botanica Gallica 157, no. 2 (January 2010): 379–83. http://dx.doi.org/10.1080/12538078.2010.10516215.
Full textMuller, Serge, Roger Etcheberry, and Daniel Abraham. "Les plantes vasculaires rares et menacées de l’archipel de Saint-Pierre-et-Miquelon." Revue d'Écologie (La Terre et La Vie) 11, no. 1 (2012): 47–55. http://dx.doi.org/10.3406/revec.2012.1665.
Full textAkpavi, Sêmihinva, Kpérkouma Wala, Koffi Apeti Gbogbo, Komi Odah, Yao Agbelessessi Woegan, Komlan Batawila, Marra Dourma, et al. "Distribution spatiale des plantes alimentaires mineures ou menacées de disparition au Togo: un indicateur de l’ampleur de leur menace." Acta Botanica Gallica 159, no. 4 (December 2012): 411–32. http://dx.doi.org/10.1080/12538078.2012.737145.
Full textGuyot, Isabelle, and Michel Muracciole. "Inventaire et actions de conservation in situ des plantes rares ou menacées de Corse." Ecologia mediterranea 21, no. 1 (1995): 231–42. http://dx.doi.org/10.3406/ecmed.1995.1771.
Full textBaret, Stéphane, Christophe Lavergne, Christian Fontaine, Matthieu Saliman, Sébastien Hermann, Julien Triolo, Samantho Bazil, et al. "Une méthodologie concertée pour la sauvegarde des plantes menacées de l’île de la Réunion." Revue d'Écologie (La Terre et La Vie) 11, no. 1 (2012): 85–100. http://dx.doi.org/10.3406/revec.2012.1668.
Full textPouvaret, Sylvain, Stéphane Cordonnier, Adrien Bazin, Aude Beauger, and Pascal Carrere. "Restauration de la flore des prés salés continentaux : expérimentation sur le marais de Saint-Beauzire (Puy-de-Dôme, 63)." BIOM - Revue scientifique pour la biodiversité du Massif central 2, no. 1 (June 1, 2021): 1–12. http://dx.doi.org/10.52497/biom.v2i1.270.
Full textDissertations / Theses on the topic "Plantes menacées"
Novi, Kristanti Alfinda. "Etude phytochimique de plantes menacées de disparition." Mulhouse, 1997. http://www.theses.fr/1997MULH0482.
Full textNicolè, 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
Rivera, Nava Juana Laura. "Stratégie mère porteuse chez Cupressus dupreziana A. Camus (cyprès du Tassili) : analyse, conséquences et perspectives." Aix-Marseille 3, 2008. http://www.theses.fr/2008AIX30019.
Full textPaternal apomixis was demonstrated in one of the most endangered woody species in the world, Tassili cypress (Cupressus dupreziana A. Camus, 233 individuals in the natural area), which originates from Tassili N'Ajjer plateau in Algeria. Offspring produced by C. Dupreziana seeds harvested from the natural area or from collections in south eastern France were characterized by their morphology, their ploidy level, their nuclear microsatellite genotype, the production and viability of their male cones, their growth and phyllotaxy. Approximately 50% of progeny from ex-situ open-pollinated C. Dupreziana were Tassili cypress. The other half were common cypress (C. Sempervirens) seedlings, either haploid or diploid, the latter being most often homozygous. Haploid individuals were produced by in planta androgenesis from haploid pollen of common cypress. They were characterized by a weak elongation, very short internodes and an earlier switch from whorled phyllotaxy 4 to whorled phyllotaxy 3 and 2. The more vigorous diploid homozygous individuals probably derive either from a spontaneous haplo-diploidisation or from the fusion of two male gametes. These androgenic common cypress individuals also expressed microsporogenesis anomalies and are good candidates for the selection of pollen-free varieties. The genetic diversity analysis in C. Dupreziana showed a very weak diversity among trees and a very strong individual heterozygosity. This unusual result for an endangered species is indicative of reproduction by apomixis. The Tassili cypress is living on borrowed time
Delfour, Odile. "La conservation des espèces menacées d'extinction : étude de droit comparé : Espagne, Etats-Unis, France, Grande Bretagne, Suisse." Paris 1, 1998. http://www.theses.fr/1998PA010284.
Full textIt is now obvious that fauna and flora are more and more threatened. To reverse this trend, governments have tried to develop legal mechanisms. It is nevertheless clear that the prohibition of the taking and trade of individuals animals and plants can not achieve this goal by its own. It's why it is clearly essential that legislator should adress all threats to a species. But, because, theses measures impose restrictions on public freedoms and private property and limits certain activities, they are not always very popular. Or, it is essential to facilitate the acceptance of conservation need by laying down a clear duty for the state and its citizens to preserve biological diversity or, at international level, by using the concept of common humankind which encompasses present and future generations
Maurice, 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
Ghimire, Suresh Kumar. "Pratiques de cueillette et écologie de la conservation de plantes médicinales de l’Himalaya Népalais : approches ethnoécologique et écologique." Montpellier 2, 2005. http://www.theses.fr/2005MON20227.
Full textA large number of medicinal plants (MPs) are threatened in the Himalaya due to over-exploitation for trade. Knowledge of the sustainability of their use is urgently needed. We documented ethnobotanical and ethnoecological knowledge and management practices related to MPs harvesting in Dolpo (northwestern Nepal) in Tibetan and mixed Tibeto-Nepalese societies. Local knowledge and harvesting patterns were incorporated in to the design of ecological studies, the objectives of which were to assess the impact of resource use on MPs at population and landscape levels, and thereby to inform sustainable management practices. We found a rich body of local knowledge relating to the use, ethnoecology and management of MPs. Local knowledge and management practices varied substantially within and between social groups, and were related to socio-cultural and economic factors. MP species diversity and abundance at the landscape-level were related to the diversity of human resource use practices and to heterogeneity in ecological conditions. At the population level, the effect of harvesting was found to depend not only on harvesting intensities and approaches but also on habitat conditions and growth patterns of the concerned species. Based on the cases of two perennial species, Nardostachys grandiflora (Valerianaceae) and Neopicrorhiza scrophulariiflora (Scrophulariaceae), we conclude that the goal of harvesting sustainability appears to be more easily attained for some species than for others, owing to differences in their growth strategies and in relation to environmental variation that affects the rapidity of recovery of populations from the loss of individuals. Our study brings new elements towards understanding how current human management shapes the structure and dynamics of MPs at population and landscape levels, and clarifies how studies of local knowledge and practices may be used to design more sustainable practices
Puyo-Savary, Fabienne. "Éléments pour une approche économique de la protection des espèces menacées et de leurs habitats en France." Bordeaux 4, 2005. http://www.theses.fr/2005BOR40018.
Full textLambert-Habib, Marie-Laure. "Le commerce des espèces sauvages : entre droit international et gestion locale : réflexions sur la CITES, Convention de Washington sur le commerce international des espaces [i.e. espèces] de faune et de flore sauvages menacés [i.e. menacées] d'extinction /." Paris ; Montréal (Québec) : l'Harmattan, 2000. http://catalogue.bnf.fr/ark:/12148/cb37116288z.
Full textGaudeul, Myriam. "Complémentarité des approches génétiques, démographiques et écologiques dans l'étude d'une espèce menacée : le cas d'Eryngium Alpinum L., chardon bleu des Alpes." Paris 11, 2002. http://www.theses.fr/2002PA112304.
Full textKnowledge of the evolutionary mechanisms shaping the dynamics of a species is crucial for its conservation. This work aims to show the complementary nature of several approaches in the study of endangered species such as the protected Alpine plant Eryngium alpinum L. This plant is mainly threatened by land closure that restricts suitable habitat. Different topics have been considered: neutral and adaptive genetic structure (molecular markers and a common garden experiment), breeding system, population dynamics and the impact of land closure (in situ experiments). The genetic study was performed at different scales: phylogeography across Europe, relationships among French populations and fine-scale structure in a 10 km-long valley. Neutral and adaptive diversities were high within populations, suggesting their strong evolutionary potential. Among populations, very strong neutral genetic differentiation is consistent with the absence of gene flow between sites. On the contrary, adaptive differentiation was very low, probably due to the homogenizing effect of selection. Within a valley, no genetic barrier was detected in spite of the observed landscape fragmentation. In restricted areas, low seed dispersal appears to have generated pronounced genetic structure. Because of protandry and partial self-incompatibility, the species is almost completely out-crossing. Finally, population monitoring and experiments on the impact of land closure must be continued to strengthen those results, but the negative impact of grazing (in spring) and the possible effect of pollinator limitation in small populations are suggested. The results are discussed in a conservation perspective. In the short term, ecological factors seem to be the major threats, but genetic risks associated with fragmentation could appear in the future
Quilichini, Angélique. "Biologie et écologie d'une espèce endémique corso-sarde rare et protégée : Anchusa crispa viv. (Boraginaceae). Implications pour sa conservation." Corte, 1999. http://www.theses.fr/1999CORT3048.
Full textBooks on the topic "Plantes menacées"
Doggett, Crystal L. Programme de rétablissement de l'érioderme boréal (Erioderma pedicellatum), population de l'Atlantique, au Canada. [Ottawa]: Environnement Canada, 2007.
Find full textSharrock, Suzanne. Conserving Europe's threatened plants: Progress towards target 8 of the global strategy for plant conservation. Richmond: BGCI, 2009.
Find full textService, Canadian Wildlife. Wild Animal and Plant Protection and Regulation of International and Interprovincial Trade Act : regulatory proposals for CITES personal and household effects and personal pets, CITES labeling provisions, administrative matters =: Loi sur la protection d'espèces animales ou végétales sauvages et la réglementation de leur commerce international et interprovincial : règlements proposés concernant les dérogations à la CITES touchant les objets personnels et à usage domestique et les animaux de compagnie personnels, les dispositions de la CITES en matière d'étiquetage, les questions administratives. Ottawa, Ont: Canadian Wildlife Service = Service canadien de la faune, 1998.
Find full textFiard, J. P. Arbres rares et menacés de la Martinique. [Fort-de-France]: La Société, 1992.
Find full textLavoie, Gildo. Plantes vasculaires susceptibles d'être désignées menacées ou vulnérables au Québec. [Québec, Québec]: Gouvernement du Québec, Ministère de l'environnement, 1992.
Find full textBrest, Conservatoire Botanique de. Catalogue des plantes menacees cultivees au Conservatoire Botanique de Brest: List of the threatened plants in cultivation at the "Conservatoire Botanique" of Brest. [Brest, France]: [Conservatoire Botanique de Brest], 1989.
Find full textDupont, Joël. Flore en détresse: Le livre rouge des plantes indigènes menacées à la Réunion. Saint Denis, Ile de la Réunion: Société réunionnaise d'étude et de protection de l'environnement, 1989.
Find full textUnited States. Animal and Plant Health Inspection Service. Emerald ash borer: The green menace. 2nd ed. Washington, D.C.?]: U.S. Dept. of Agriculture, Animal and Plant Health Inspection Service, 2005.
Find full textCarbone, Courtney. Star Wars: The phantom menace: Golden Book. New York: Golden Books, 2015.
Find full textBook chapters on the topic "Plantes menacées"
Raj, Abhishek, Manoj Kumar Jhariya, Arnab Banerjee, S. Dinesha, Ramesh Kumar Jha, Krishna Kumar, and Taher Mechergui. "Menace of Plant Invasion: A View from Ecological Lens." In Plant Invasions and Global Climate Change, 57–76. Singapore: Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-5910-5_3.
Full textLeveau, Johan H. J. "The magic and menace of metagenomics: prospects for the study of plant growth-promoting rhizobacteria." In New Perspectives and Approaches in Plant Growth-Promoting Rhizobacteria Research, 279–300. Dordrecht: Springer Netherlands, 2007. http://dx.doi.org/10.1007/978-1-4020-6776-1_5.
Full textImarhiagbe, Odoligie. "Aspects of the Biology and Ethnobotany of Parasitic Angiosperm Species In Nigeria." In Parasitic Plants [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.98667.
Full textMartell, Jessica, and Zackary Vernon. "The Vine at the End of the World: Reimagining Kudzu in the U.S. South." In Understories: Plants and Culture in the American Tropics, 195–216. Liverpool University Press, 2024. http://dx.doi.org/10.3828/liverpool/9781837644735.003.0009.
Full textYoussouf, Mudasir, Arun Kalia, Zahid Nabi, and Zubair A. Malik. "Health Effects of Pesticides on Pregnant Women and Children." In Innovations in Global Maternal Health, 272–95. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-7998-2351-3.ch012.
Full textYoussouf, Mudasir, Arun Kalia, Zahid Nabi, and Zubair A. Malik. "Health Effects of Pesticides on Pregnant Women and Children." In Advances in Environmental Engineering and Green Technologies, 105–22. IGI Global, 2019. http://dx.doi.org/10.4018/978-1-5225-6111-8.ch006.
Full textGodbold Jr., E. Stanly. "One Hundred Days." In Jimmy and Rosalynn Carter, 119—C8.P56. Oxford University PressNew York, 2022. http://dx.doi.org/10.1093/oso/9780197581568.003.0009.
Full textSuleiman, N., I. Bulama, and L. S. Bilbis. "Bioactive Compounds as Therapeutic Intervention in Neurodegenerative Diseases." In Therapeutic Use of Plant Secondary Metabolites, 214–37. BENTHAM SCIENCE PUBLISHERS, 2022. http://dx.doi.org/10.2174/9789815050622122010012.
Full textA. Patil, Jaydeep, and Saroj Yadav. "Root-Knot Nematodes a Major Peril to Protected Cultivation System in India: Current Status and its Management." In Nematodes - Recent Advances, Management and New Perspectives. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.100541.
Full textGrego, Caroline. "The Lowcountry." In Hurricane Jim Crow, 11–34. University of North Carolina PressChapel Hill, NC, 2022. http://dx.doi.org/10.5149/northcarolina/9781469671352.003.0002.
Full textConference papers on the topic "Plantes menacées"
"Preliminary study for catalytic gasification of water hyacinth for syngas production." In Sustainable Processes and Clean Energy Transition. Materials Research Forum LLC, 2023. http://dx.doi.org/10.21741/9781644902516-50.
Full textReports on the topic "Plantes menacées"
Veilleux-Lepage, Yannick, and Emil Archambault. Étude comparative de l’usage des drones par des groupes armés non étatiques au Moyen-Orient. ICCT, May 2023. http://dx.doi.org/10.19165/2022.3.02.
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