Academic literature on the topic 'Crises biologiques'
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Journal articles on the topic "Crises biologiques"
Queloz, Valentin, Hervé Jactel, Benoit Marçais, Eckehard G. Brockerhoff, and Marco Pautasso. "Rôle des agents biotiques dans les crises sanitaires forestières." Revue forestière française 74, no. 2 (June 23, 2023): 133–43. http://dx.doi.org/10.20870/revforfr.2023.7587.
Full textBouget, Christophe, Jérémy Cours, and Aurélien Sallé. "Forêts en crise et biodiversité : menaces et opportunités. Effets des dépérissements et de leur gestion sur la biodiversité forestière." Revue forestière française 74, no. 2 (June 23, 2023): 193–99. http://dx.doi.org/10.20870/revforfr.2023.7594.
Full textWatteaux, Magali. "Un discours de la méthode pour une histoire environnementale du haut Moyen Âge." Annales. Histoire, Sciences Sociales 77, no. 1 (March 2022): 85–95. http://dx.doi.org/10.1017/ahss.2022.40.
Full textPhillipot, J. M., J. L. Cadet, and S. Fauquez. "Gestion des crises lors du dépassement des seuils de traitabilité des filières biologiques : cas de l'ammonium à Choisy-le-Roi." Journal français d’hydrologie 20, no. 2 (1989): 147–57. http://dx.doi.org/10.1051/water/19892002147.
Full textGilbert, Frédéric. "Une justice exclusivement rétributive est-elle adaptée à la lutte contre le crime pédophile ?" Psychiatrie et violence 10, no. 1 (September 1, 2011): 0. http://dx.doi.org/10.7202/1005715ar.
Full textCatteau, Magali. "La crise de l’agriculture biologique : jusqu’où ?" Paysans & société N° 401, no. 5 (September 15, 2023): 39–46. http://dx.doi.org/10.3917/pes.401.0039.
Full textGood, Byron J., and Mary-Jo DelVecchio Good. "Au mode subjonctif. La construction narrative des crises d'épilepsie en Turquie." Anthropologie et Sociétés 17, no. 1-2 (September 10, 2003): 21–42. http://dx.doi.org/10.7202/015249ar.
Full textPetit, Jacques-Guy. "Darwinisme et catholicisme au Québec au début du xxe siècle." Revue d'histoire de l'Amérique française 61, no. 2 (June 4, 2008): 201–33. http://dx.doi.org/10.7202/018060ar.
Full textGall, Jean-Claude, Lea Grauvogel-Stamm, Andre Nel, and Francine Papier. "La crise biologique du permien et la renaissance trisique." Comptes Rendus de l'Académie des Sciences - Series IIA - Earth and Planetary Science 326, no. 1 (January 1998): 1–12. http://dx.doi.org/10.1016/s1251-8050(97)83197-7.
Full textBuchet, L., H. Caussinus, D. Courgeau, and I. Seguy. "Atouts d'une procédure récente d'inférence bayésienne pour l'étude de l'impact des crises démographiques. Application à trois sites médiévaux bas-normands." Bulletins et Mémoires de la Société d'Anthropologie de Paris 29, no. 1-2 (February 10, 2017): 70–84. http://dx.doi.org/10.1007/s13219-016-0175-4.
Full textDissertations / Theses on the topic "Crises biologiques"
Guillam, Elvis. "Les deux crises biologiques de la fin du Dévonien : les ostracodes marqueurs des variations paléoenvironnementales et des relations paléobiogéographiques." Electronic Thesis or Diss., Sorbonne université, 2023. https://accesdistant.sorbonne-universite.fr/login?url=https://theses-intra.sorbonne-universite.fr/2023SORUS157.pdf.
Full textOver geological time, life has greatly increased in complexity and has undergone many important variations in biodiversity. Among the declines occurring during the Phanerozoic (541.0 ± 1.0 Ma to present), five major crises are considered as major. One of them, called the Kellwasser event, marks the Frasnian-Famennian boundary (-372 ± 1.6 Ma). It is followed at the Devonian-Carboniferous transition by a second first-order event, called Hangenberg event. These anoxic events have been triggered by important climatic changes and the associated eustatic variations characterizing the Late Devonian. Ostracods, essentially benthic microcrustaceans, are known for their continuous fossil record through all extinction events as well as for their adaptive capacities and are good markers of environmental changes. They are thus excellent tools for understanding biodiversity declines during biological crises and the recovery of ecosystems after these declines. The important taxonomic work realized on the material from the Blue Snake section (Guizhou, South China) allowed to quantify precisely and for the first time the diversity variations among ostracods related to the Hangenberg event and to characterize the paleoenvironment and its variations at the Devonian-Carboniferous transition. In this section, the specific extinction rate is estimated at 44%. Over this interval, the paleoenvironment corresponded to a continental shelf that underwent transgression, with the transition from a nearshore shallow environment in the Famennian to a deeper and more open offshore environment in the Tournaisian. The revisions realized during this thesis also allowed to quantify the impact of both Kellwasser and Hangenberg events on ostracods. These crustaceans were greatly affected at low taxonomic levels (species and genera) by both events with specific extinction rates estimated at 80% for the Kellwasser event and 69% for the Hangenberg event. The supra-generic levels were only slightly affected. These events affected the diversity of these crustaceans in various paleoenvironments (nearshore and outer-shelf and bathyal environments) and in numerous geographic areas, demonstrating the global character of these extinctions. The recovery of ostracod faunas following these events was certainly influenced by variations in environmental and climatic parameters. It is mainly characterized by the diversification of cosmopolitan taxa, notably within the Bairdiidae and Bairdiocyprididae. The Paraparchitidae also diversified during the Tournaisian (Lower Carboniferous). The palaeobiogeographic distribution of ostracods over the Frasnian-Tournaisian interval suggests that four main factors influence their repartition. Climate, especially temperature, seems to have influenced the palaeobiogeographic distribution of ostracods, with the identified communities roughly following the latitudinal distribution of climates. Oceanic circulation could explain the affinities observed between faunas from relatively distant palaeogeographical areas. The sea level and its variations as well as the tectonic plates dynamic had mainly influenced the global connectivity between the faunas from the different palaeogeographical areas on a global scale
Vasseur, Raphaël. "Extinctions et recouvrements de coraux au cours de la crise Pliensbachien - Toarcien." Thesis, Université de Lorraine, 2018. http://www.theses.fr/2018LORR0204/document.
Full textThe transition from the Pliensbachian to the Toarcian geological stages in Lower Jurassic is followed by a global oceanic anoxic event during the lower Toarcian (TOAE for Toarcian Oceanic Anoxic Event). This moment corresponds to a massive fossilization time for organic matter in the worldwide geological record that produced here and there source rocks of petroleum interest. Concerning the eustatic fluctuations, these events are associated to a second-order maximal flooding zone. They are also interpreted as the remains of a global carbon-cycle perturbation case associated with oceanic acidification and correlated with the setup of Karoo-Ferrar igneous provinces in the southern Pangea territories corresponding to present-day Southern Africa and Southern America. It corresponds to a period of global warming that directly follow a global cooling at the Pliensbachian. This worldwide ecological perturbation probably disturbed the biosphere in a degree that is still poorly quantified. For example, studies about ammonites and bivalvs are known but the stratigraphic definition generally do not allow to distinguish the Pliensbachian-Toarcian boundary itself to the TOAE effect on these fauna. One single available study about corals is purely bibliographic (Lathuiliere and Marchal 2009) and suggests a significant extinction event for this group at the same period. Corals are generally precious indicators for major ecological disruptions as it is testified in the case of the big-five major crisis and the current sixth one. The Pliensbachian-Toarcian extinction has been considered up-to-now as a second-order crisis event and require to be studied as such. In the context of this thesis, fossilized corals have been collected in the field in Morocco and Italy in a well-defined sedimentological context before and after the Pliensbachian-Toarcian boundary. Sampling has been in view to quantify the diversity and as far as possible, the intraspecific variability. The statistical treatment of the data has been realized in view to provide a satisfying quantification of the variability in order to supply a strong taxonomy and be able to compare comparable populations in analyses of diversity, extinctions and apparitions of taxons. In total, 107 species have been describes (including at least 19 new species) as part of 60 genera (including 5 new ones) among 22 families (including a new one). According to this study, the cold and highly concentrated in organic matter oceanic waters of the Pliensbachian contained corals faunas with an important affinity with Triassic faunas (in terms of genera and families). They shared the ecological niches of the western tethysian inner platforms with the lithiotids, a group of aberrants reefal bivalvs that demonstrated a stupendous evolutive success during the same period. Collected data attest of conditions that constrained corals to adapt and diversify in view to maintain during these unfavourable times, for the benefit of the solitary and phaceloid form but at the expense of the highly integrated forms. During the Lower Toarcian, global warming of oceanic waters associated with the almost total disparition of the competitors premised an explosion of diversity that is determinant for the future of the corals, with the apparition of faunal assemblages very similar to the typical Middle and Upper Jurassic ones (in terms of genera, families and colonial morphologies). It is a two-folded extinction event with a first phase during the Pliensbachian –Toarcian transition and a second phase at the onset of the TOAE. In the end, this pulsed event led to the extinction of approximately 97% of the Pliensbachian coral species
Clemence, Marie-Emilie. "Analyse paléoécologique de la crise du Trias-Jurassique : approche synécologique des nannofossiles calcaires et des foraminifères benthiques." Paris 6, 2009. http://www.theses.fr/2009PA066151.
Full textThomazeau, Romain. "Du sida aux cendres : entre guerre culturelles et guerre biologique : représenter (dans) la crise du sida." Thesis, Paris 1, 2018. http://www.theses.fr/2018PA01H310/document.
Full textThe AIDS crisis is not behind us, even if the fire seems to be extinguished, the ashes remain. First, because the epidemic is by no means contained, but also because we continue to be haunted by the representations, discourses, constructions and meanings that this pandemic carries with it. AIDS is a complex phenomenon, trying to understand it, is the deal first with a series of words, images that are media-intensive, which supplant other realities. To achieve to break this pandemic, we must be able to study ail aspects, among these facets, art has played a leading role in the AIDS crisis, especially because it has been particularly used to signify those other hidden realities. ln this research, four axes have emerged that cover a broad spectrum of questions posed by AIDS and its representations, as much as the stakes of exhibitions, media coverage, discursivity or meanings that this unprecedented contemporary epidemic has highlighted. AIDS revealed many problems in our Western societies, without, however, being circumscribed by now. Art has played a major role in raising awareness over the past thirty-five years by making images and counters-images. Art has allowed to counter-represent a realité which through our societies of power, was silent to us, it gave a voice to what always remains a silent and stigmatizing epidemic. Representing (in) the AIDS crisis has therefore been and still is a struggle, if not a form of cultural war
MARCHAL, PAPIER FRANCINE. "Les insectes du buntsandstein des vosges (ne de la france). Biodiversite et contribution aux modalites de la crise biologique du permo-trias." Université Louis Pasteur (Strasbourg) (1971-2008), 1998. http://www.theses.fr/1998STR13209.
Full textBerra, Ivan. "Sédimentologie, stratigraphie isotopique du strontium et chemostratigraphie à la transition Frasnien-Famennien (Dévonien supérieur) en Amérique du Nord: implications orogéniques dans la crise biologique." Doctoral thesis, Universite Libre de Bruxelles, 2008. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/210400.
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Coz, Richard. "Une approche interdisciplinaire de la pertinence et de la faisabilité d'une co-gestion de la pêche récréative sur l'île d'Oléron : l'étrille, Necora puber (Linnaeus, 1767), comme modèle biologique." Thesis, La Rochelle, 2013. http://www.theses.fr/2013LAROS404/document.
Full textAmong several other activities practice on coastal socio-ecological system, recreational fishing ones have significantly increased over the past few years, becoming an issue for sustainable development. In France, the weakness of states governance concerning DPM management, questions the relevancy and feasibility of a co-management policy for these leisure activities. This paradigm, constituting a good substitute for top-down management, recommends an increased participation of local populations for managing environments and improving their outcomes. Oléron Island is thus affected by these observations, which are intensified by societal changes distinguishing island territories. In the current research context, aiming at solving societal problematic, it is relevant to consider an interdisciplinary approach to provide relevant answers. Concerning recreational shellfish gathering targeting the velvet swimming crab, results in biology and ecology highlight some characteristics which should indicate a weak short and long terms potential impact of the disturbances affecting local populations. As regards to societal aspects, the relevancy of co-management is clearly demonstrated by several land-use conflicts, a lack of means to manage the practice and scientific data, the lack of consultation, etc. The territorial dynamic and local initiatives, as well as land-use conflicts, underline the existence of a “political window” which should allow the implementation of a co-management process for recreational fishing in the following years, subject to further efficient communication and a real desire from stakeholders concerned by the management of this practice
Berdah, Delphine. "Innovation biologique, expertise et crise sanitaro-agricole : la lutte contre la tuberculose bovine et la fièvre aphteuse en France et en Grance-Bretagne, du milieu du dix-neuvième aux années mille neuf cent soixante." Paris, EHESS, 2010. http://www.theses.fr/2010EHES0163.
Full textThree main axes are followed in this thesis 1) The double comparison of the research, production and utilization processes of vaccines against two diseases: bovine tuberculosis and foot-and-mouth disease, in two countries, France and Great Britain. This thesis shows the circulations –of strains techniques, protocols, knowledge, researchers -between the spheres of human and veterinary processes in the two countries. 2) The professionalization process of French veterinarians: focusing on the gradual transformation of their knowledge from the late eighteenth century, this thesis shows the major role of bacteriology (creating new tools to diagnose and control contagion) in the recognition of a veterinary expertise over the control of contagion. 3) The analysis of the construction of the legislation and its secondary norms of application to control animal contagious diseases. This thesis shows how the two countries established the same legislations in the late nineteenth century to control animal diseases but analyses how practically, the control of the diseases varied according to the nature of diseases, local situations, as well as expertises and experiences of the various actors involved in the control of animal diseases. This thesis proposes an explanation of the experimental uses of vaccines in Great-Britain, as well as of the abandon of the BCG vaccine against bovine tuberculosis in France, while at the same period, a 'veterinary biomedical complex' associating pharmaceutical companies, veterinarians and farmers associations managed to make foot-and-mouth disease vaccination compulsory in France in 1961
Schoenauer, Sebag Alice. "Développement de méthodes pour les données de cribles temporels à haut contenu et haut débit : versatilité et analyses comparatives." Thesis, Paris, ENMP, 2015. http://www.theses.fr/2015ENMP0035/document.
Full textBiological screens test large sets of experimental conditions with respect to their specific biological effect on living systems. Technical and computational progresses have made it possible to perform such screens at a large scale - up to hundreds of thousands of experiments. Live cell imaging is an excellent tool to study in detail the consequences of chemical perturbation on a given biological process. However, the analysis of live cell screens demands the combination of robust computer vision methods, efficient statistical methods for the detection of significant effects and robust procedures for quality control. This thesis addresses these challenges by developing analytical methods for the analysis of High Throughput time-lapse microscopy screening data. The developed frameworks are applied to publicly available HCS data, demonstrating their applicability and the benefits of HCS data remining. The first multivariate workflow for the study of single cell motility in such large-scale data is detailed in Chapter 2. Chapter 3 presents this workflow application to previously published data, and the development of a new distance for drug target inference by in silico comparisons of parallel siRNA and drug screens. Finally, chapter 4 presents a complete methodological pipeline for performing HT time-lapse screens in Environmental Toxicology
Bréchignac, François. "Photosynthèse et photorespiration chez la macroalgue marine Chondrus crispus : substrat carboné absorbé et nature de la prise d'oxygène." Paris 7, 1985. http://www.theses.fr/1985PA077013.
Full textBooks on the topic "Crises biologiques"
Berche, Patrick. L'histoire secrète des guerres biologiques: Mensonges et crimes d'État. Paris: Laffont, 2009.
Find full textL'histoire secrète des guerres biologiques: Mensonges et crimes d'État. Paris: Laffont, 2009.
Find full textBerche, Patrick. L'histoire secrète des guerres biologiques: Mensonges et crimes d'État. Paris: Laffont, 2009.
Find full textDe la crise à la paix: La solution végétalienne biologique. Taipei: Love ocean, 2011.
Find full text1962-, Nie Jing-Bao, ed. Japan's wartime medical atrocities: Comparative inquiries in science, history, and ethics. Milton Park, Abingdon, Oxon: Routledge, 2010.
Find full textSaddam Defiant: The Threat of Weapons of Mass Destruction, and the Crisis of Global Security. Weidenfeld & Nicolson, 2000.
Find full textSaddam Defiant: The Threat of Weapons of Mass Destruction, and the Crisis of Global Security. Phoenix (an Imprint of The Orion Publishing Group Ltd ), 2001.
Find full textToxic Warfare. RAND Corporation, 2002.
Find full textBioterrorism: A Guide for Facility Managers. Fairmont Press, 2005.
Find full textBioterrorism: A Guide for Facility Managers. Fairmont Press, 2005.
Find full textBook chapters on the topic "Crises biologiques"
Lethiers, Francis. "Les Crises Biologiques Majeures." In Evolution de la biosphère et événements géologiques, 205–83. London: Routledge, 2021. http://dx.doi.org/10.4324/9781003211075-5.
Full textORANGE RAVACHOL, Denise. "Construire une histoire raisonnée des vivants à l’École : à quelles conditions ?" In Recherches en didactique de l’évolution, 209–29. ISTE Group, 2023. http://dx.doi.org/10.51926/iste.9107.ch9.
Full textCrasquin, Sylvie. "1, 2, 3, 4, 5… et 6 crises biologiques majeures." In Paléontologie d'aujourd'hui, 158–59. EDP Sciences, 2022. http://dx.doi.org/10.1051/978-2-7598-2718-3.c074.
Full textDÉSANGLES, F., M. VALENTE, P. MARTIGNE, J. PATEUX, G. GOSIER, M. DROUET, and F. HÉRODIN. "Le laboratoire de dosimétrie biologique des irradiations du Service de santé des armées." In Médecine et Armées Vol. 46 No.2, 163–68. Editions des archives contemporaines, 2018. http://dx.doi.org/10.17184/eac.7358.
Full textLEVY-BRUHL, Sacha. "Solidarité et épidémie." In Les épidémies au prisme des SHS, 229–38. Editions des archives contemporaines, 2022. http://dx.doi.org/10.17184/eac.6009.
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