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Статті в журналах з теми "Littoraux – Effets des changements climatiques":
Miossec, Alain. "Les littoraux français face aux changements climatiques." Population & Avenir 765, no. 5 (November 20, 2023): 4–7. http://dx.doi.org/10.3917/popav.765.0004.
Buka, Irena, and Katherine M. Shea. "Les changements climatiques mondiaux et la santé des enfants canadiens." Paediatrics & Child Health 24, no. 8 (December 2019): 558. http://dx.doi.org/10.1093/pch/pxz158.
Kipp, Amy, Ashlee Cunsolo, Kelly Vodden, Nia King, Sean Manners, and Sherilee L. Harper. "Aperçu - Les effets des changements climatiques sur la santé et le bien-être dans les régions rurales et éloignées au Canada : synthèse documentaire." Promotion de la santé et prévention des maladies chroniques au Canada 39, no. 4 (April 2019): 134–39. http://dx.doi.org/10.24095/hpcdp.39.4.02f.
Johnson, Maxime. "Le paradoxe environnemental du numérique." Gestion Vol. 49, no. 1 (March 19, 2024): 70–72. http://dx.doi.org/10.3917/riges.491.0070.
Gendreau, Yanick, Audrey Lachance, Marylène Ricard, Hélène Gilbert, Nicolas Casajus, and Dominique Berteaux. "Changements climatiques : défis et perspectives pour les plantes vasculaires en situation précaire au Québec." Botanique 142, no. 1 (November 22, 2017): 16–35. http://dx.doi.org/10.7202/1042011ar.
SODJINOU, Epiphane, and Saïd K. HOUNKPONOU. "Impact des changements climatiques sur les revenus des ménages agricoles au Bénin : Evidence basée sur l’application du modèle Ricardien." Annales de l’Université de Parakou - Série Sciences Naturelles et Agronomie 9, no. 1 (June 30, 2019): 43–54. http://dx.doi.org/10.56109/aup-sna.v9i1.62.
MacIntyre, Elaina, Sanjay Khanna, Anthea Darychuk, Ray Copes, and Brian Schwartz. "Synthèse des données probantes - Évaluation de la communication des risques en présence de changements climatiques et de phénomènes météorologiques extrêmes : examen de la portée." Promotion de la santé et prévention des maladies chroniques au Canada 39, no. 4 (April 2019): 155–71. http://dx.doi.org/10.24095/hpcdp.39.4.06f.
DÈBRE, Célia, Anthony STURBOIS, Manuel SALGUEIRO-SIMON, Guillaume GÉLINAUD, Julien PÉTILLON, Sébastien GALLET, and Anne LOMBARDI. "Restauration et reconnexion des marais littoraux, une solution d’adaptation aux changements climatiques ? Synthèse d’un colloque." Sciences Eaux & Territoires, no. 41 (May 10, 2023): 1–6. http://dx.doi.org/10.20870/revue-set.2022.41.7434.
HILBERT, Myriam. "La perception sociale de l'adaptation des espaces littoraux aux effets du changement climatique : le projet Adapto par le Conservatoire du littoral." Sciences Eaux & Territoires, no. 41 (December 8, 2022): xx. http://dx.doi.org/10.20870/revue-set.2022.41.7247.
Chabi, Biaou Ibidun Hervé, Akibou A. Akindele, Hervé Yabi, and Euloge Ogouwale. "Trajectoires de l'agriculture familiale face aux changements climatiques dans la zone agro-écologique 3 du Bénin." Proceedings of the International Association of Hydrological Sciences 384 (November 16, 2021): 325–30. http://dx.doi.org/10.5194/piahs-384-325-2021.
Дисертації з теми "Littoraux – Effets des changements climatiques":
Cheikh, Mohamed Fadel Mohamed Fadel Aghdhafna. "Gouvernance littorale et changements climatiques en Mauritanie." Electronic Thesis or Diss., Université de Lille (2022-....), 2023. http://www.theses.fr/2023ULILA020.
Coastal ecosystems and coastlines are subject to intense pressure, caused by growing human activity and climatic trends that are sometimes irreversible. In Mauritania, the coastal zone is home to 47% of the country's population (mainly in Nouakchott and Nouadhibou) and concentrates almost 80% of the industrial infrastructure on which 98.4% of the country's exports depend.Therefore, more than other countries in the sub-region, rising sea levels are putting a large part of Mauritania's population, infrastructure, ecosystems and maritime resources at risk. Indeed, the vulnerability of Mauritania's coastline no longer needs to be demonstrated. The IPCC has cited this area of the West African coast as one of the very first to suffer from marine submersions in the near future.In view of the importance of this potential for Mauritania's economic structure and the risks affecting it, particularly those linked to climate change, we rise the subsequent problematic: what governance should be put in place for the Mauritanian coastline, specially by the State, local authorities and Mauritania's partners?It is in this context that this thesis aims to the following questions: (i) What are the vulnerable areas on the coast and what are the various threats? (ii) What are the existing methods of managing the coast and how can they respond to the ever-increasing constraints caused by climate change and its interactions with human activity?Given its complexity, the size of Mauritania's coastline and the diversity of stakeholders with conflicting interests, improving coastal governance must be based on consultation, transparency and equity. This requires a legal framework and appropriate consultation, coordination and cooperation mechanisms. Management, research, observation, information, communication and monitoring & evaluation capacities must also be consolidated and strengthened.The results obtained will contribute to (i) improving knowledge about the Mauritanian coastline; (ii) establishing sustainable and appropriate management of the coastline; (iii) contributing to the fight against climate change.Key words: Governance, Coastline, Climate change, Mauritania
Bellard, Céline. "Effets des changements climatiques sur la biodiversité." Thesis, Paris 11, 2013. http://www.theses.fr/2013PA112269/document.
Global biodiversity is changing at an unprecedented rate due to loss of habitat, biological invasions, pollution, overexploitation. Furthermore, climate changes and their synergies with other threats will probably become the main drivers of biodiversity loss in the next century. Nowadays, the multiplicity of approaches and the resulting variability in projections make it difficult to get a clear picture of the future of biodiversity due to climate change. Yet, the majority of models indicate alarming consequences for biodiversity, with the worst- case scenarios leading to an increase of extinction rates. The aim of this thesis was to improve the knowledge about of the different consequences of climate change on biodiversity worldwide. To do that I mainly used modelisation and meta-analyses approaches. The first part of my work was to investigate the consequences of sea level rise for the ten insular biodiversity hotspot and their endemic species, during which I highlighted that between 6 and 19% of the islands would be entirely submerged. Then I studied the effects of climate and land use changes on biological invasions worldwide. The results showed that invasives species response to climate and land use changes depend on region, taxa and species considered. We also emphasized that some regions could lose a significant number of invasive alien species. Besides, we also found that hotspot that are mainly islands or group of islands are highly suitable for invasive species. Finally, in the last part, I quantified the exposure of biodiversity hotspots to the combined effects of climate change, land use change and biological invasions. This work highlighted the pressing need to consider different drivers of global change in conservation planning. In addition, we established some prioritization framework among the hotspot. Finally, conservation strategies to protect habitat and species under global changes, can only be achieved through closed collaboration with park managers. Overall, implementation of effective adaptation strategies to climate change can only succeed with public support
Crisci, Carolina. "Effets du changement climatique sur les écosystèmes littoraux de la mer Méditerranée nord-occidentale : étude de la relation entre les conditions de température et la réponse biologique pendant les événements de mortalité massive." Thesis, Aix-Marseille 2, 2011. http://www.theses.fr/2011AIX22092.
Thiaw, Diatou. "Vulnérabilité et Adaptation des territoires aux effets du changement climatique.Incitations globales, stratégies locales. Perspectives pour un développement territorial axé sur un suivi de l’utilisation de l’espace et des ressources dans les Communes de Mbour, Saly et Malicounda (Sénégal)." Thesis, Université Paris-Saclay (ComUE), 2016. http://www.theses.fr/2016SACLV018/document.
The coast is now affected by different phenomena. Flooding, coastal erosion, biodiversity loss, land degradation ..., are all factors malfunction.The issues are both ecological, socioeconomic and political. The observation on urban and rural areas of Mbour, Saly and Malicounda shows vulnerabilities of both natural and anthropogenic. The observed changes may be specifically the effect of climate change; they also represent a continuation of situations switched by physical, social, economic, political, of territories. According to the perturbations studied, territories appear differently vulnerable. The destruction of homes and infrastructure, declining catches, revenues from fishing, tourism and agriculture are the impacts faced by different actors. The strategies developed are generally neither proactive nor effective. It also poses a problem of responsibility of actors in the mastery of disturbances and their dynamics in this strategic area economically. For a good risk management, this thesis calls for a real policy of regional planning and the establishment of an observatory
Biscéré, Tom. "Effets des métaux et des changements climatiques sur les coraux." Electronic Thesis or Diss., Sorbonne université, 2018. http://www.theses.fr/2018SORUS382.
Coral reefs have largely degraded in recent decades under the influence of human activities. Among those disturbances, the increase in metal concentrations affects many reefs worldwide (e.g. Australian Great Barrier Reef, Costa Rica, Red Sea, New Caledonia). Furthermore, reefs have now to face climate change, and more particularly temperature increase and ocean acidification. In this context, the aims of my thesis were to (1) determine the effects of the main metals present in lateritic sediments (iron, manganese, nickel and cobalt) on coral physiology using concentrations representative of those measured along the New Caledonian coastline, and to (2) define their potential roles in this context of climate change. My results showed that metals affect coral metabolism in different ways. While at ambient temperature, a nickel or manganese enrichment stimulates host metabolism and symbiont photosynthesis, conversely a cobalt enrichment inhibits calcification and becomes even toxic for the host and symbionts, from 1 μg L-1. Despite its importance in photosynthetic processes, an iron enrichment induces a decrease in Symbiodinium densities and an inhibition of calcification rates. Under thermal stress, manganese enhances coral tolerance to temperature increase, likely by stimulating their antioxidant defenses, while nickel worsens its effects by decreasing even more their growth. These works represent an important step towards a better understanding of coral responses to metal enrichment and would explain, to some extent, species susceptibility to climate change
Pey, Alexis. "Réponses biochimiques et physiologiques des symbioses marines tempérées face aux changements climatiques." Nice, 2012. http://www.theses.fr/2012NICE4009.
Global climate change leads significant reactions on marine ecosystems which, when dealing with sessile species, can drive to episodes of mass mortalities. In the north-western Mediterranean Sea, recent events of mortalities severely impacted gorgonian communities, threatening their survival, but also all the associated biodiversity. The implementation of strategies of preservations requires preliminary acquisitions of the knowledge at ecological, evolutionary, physiological, biochemical, genomic and genetics levels. In this ambitious framework, these doctoral studies aimed to better define the answers induced by thermal stress of two Mediterranean symbiotic Cnidarians : the white gorgonian Eunicella singularis and the sea anemone Anemonia viridis. A first part of the works was carried out of two populations of the white gorgonian, associated with their photosynthetic symbionts (zooxanthelles), collected at two geographical zones with contrasted thermal profiles. This study allowed us to identify the superior limits of thermal resistance of the populations and to estimate the possible links between the genetic varieties of the hosts and the symbionts, and their thermal resistance. Complementary studies then allowed identifying, on this symbiotic gorgonian early molecular indicators induced by a hyperthermia, implying the global antioxidant defences capacities and the degree of protein ubiquitination. Finally, our studies led on the sea anemone allowed to deepen our knowledge developed on this model concerning the antioxidant enzymes and in particular the glutathione peroxidases (GPx). The measures of the GPx activities in the different holobiont compartments did not reveal major modifications during the stress, but the appearance of one activity band induced by the hyperthermia could represent a new potential marker of stress
Thiam, Papa Masseck. "Effets des futurs changements climatiques sur la performance à long terme des chaussées souples au Québec." Thesis, Université Laval, 2014. http://www.theses.ulaval.ca/2014/30293/30293.pdf.
The long-term performance of the road network of the province of Quebec (Canada) is strongly influenced by the climate and the weather conditions. Amongst other factors, high levels of saturation in soils and pavement materials are believed to be an important cause of pavement deterioration. According to the climate change scenarios established by Ouranos (2010), the North and South of Quebec will undergo an average precipitation increase from -0.1% to 8.45% in a future horizon of 2010-2039. The purpose of this project is to quantify the effect of these expected precipitation increases on the mechanical behavior of road structures, materials and soils. Based on literature and on data collected on instrumented road sections, a relationship between precipitation increase and saturation level of pavement layers is proposed. The resilient modulus and permanent deformation behavior for various water contents and four different subgrade soils was determined using triaxial tests, which were validated using small-scale heavy vehicle simulator, in order to determine the existing relationship between mechanical properties and moisture contents. Using the precipitation increase scenarios and the preset models, a damage analysis is performed to quantify the decrease of pavements service life caused by climate change. It is found that climate change, and more precisely the increase of precipitation expected in the Province of Quebec, will have a significant impact on pavement performance and that adapted pavement structures and materials, such as improved drainage, increased structural capacity or materials with reduced sensitivity to water, are possible options to reduce the loss of pavement life associated with climate change.
Joannin, Sébastien. "Changements climatiques en Méditerranée à la transition Pléisctocène inférieur-moyen : pollens, isotopes stables et cyclostratigraphie." Lyon 1, 2007. https://tel.archives-ouvertes.fr/tel-00347549.
Pollen analysis has been performed on six sections (Santa Lucia, Montalbano Jonico, Site ODP 976; Tsampika and Shamb) placed along a 4,000 km long transect from the Western Mediterranean region to Little Caucasus. These sections recorded same vegetation changes related to climatic cycles occurred throughout the Mediterranean region during the Early-Middle Pleistocene (1. 600-0. 700 Ma), despite an observed longitudinal gradient. Mesothermic taxa were affected by the increasing aridity and the extremes related to climatic cycles during this considered time-window. “Long-term” vegetation successions were controlled by climatic cycles related to the obliquity forcing. A similar vegetation dynamics with short and longer-term durations were forced by precession and its modulator (the eccentricity), respectively. Influences of both parameters were superimposed. The expected shift from obliquity to 100 ka long-cycles related to eccentricity is not observed in the Mediterranean region during the Mid-Pleistocene Transition
Gerome, Camille. "Les initiatives de transition comme facteur de développement des capacités territoriales d'adaptation aux effets des changements climatiques." Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLV026/document.
To respond to social issues of adaptation to the effects of climate change, this thesis contributes to the understanding of adaptation capacity development processes. The main subject is the spontaneous transitional citizens dynamics. It is about a group of citizens wishing act locally for the development of their territory in a coherent way around shared values.This thesis helps to demonstrate the emergence and the development of innovative social practices. This is comparable to social innovations in transition arenas who reproduce characteristics of niches: protected and restricted space encouraging incubation. These social innovations, fostered by networking, cohesion and the sharing of values, contribute to the development of adaptability through a desire for transmission and a global dynamic of inclusion.Concretely, this study focuses on two transition initiatives similar in their intentions and different in their history. They participate in considering a new dynamic of society that is both spontaneous, autonomous and inclusive.By positioning itself neither "against" the territory and its institutions, nor "without" them, these transition initiatives represent remarkable alternatives to lead to more cooperative societies and more able to adapt to the effects of climate change
Nevoux, Marie. "Réponse démographique des populations longévives aux changements climatiques : importance de la variabilité spatio-temporelle et de l'hétérogénéité individuelle." Phd thesis, Université de La Rochelle, 2008. http://tel.archives-ouvertes.fr/tel-00245570.
Книги з теми "Littoraux – Effets des changements climatiques":
Dussey, Don Ayan. L'homme face aux effets nefastes de changements climatiques. Lomé, Togo: Publications de CERDIA, 2003.
Acot, Pascal. Histoire du climat : du big bang aux catastrophes climatiques: Pascal Acot. [Paris]: Perrin, 2004.
Williamson, T. B. Climate change and Canada's forests: From impacts to adaptation. Edmonton: Sustainable Forest Management Network, 2009.
Examen scientifique des effets des changements climatiques sur les organismes nuisibles aux végétaux. FAO pour le compte du Secrétariat de la Convention internationale pour la protection des végétaux, 2021. http://dx.doi.org/10.4060/cb4769fr.
Examen scientifique des effets des changements climatiques sur les organismes nuisibles aux végétaux. FAO pour le compte du Secrétariat de la Convention internationale pour la protection des végétaux, 2021. http://dx.doi.org/10.4060/cb4777fr.
Acot, Pascal. Histoire du climat : Du Big Bang aux catastrophes climatiques. Librairie Académique Perrin, 2009.
Частини книг з теми "Littoraux – Effets des changements climatiques":
DIELE-VIEGAS, Luisa Maria. "Biogéographie et changement climatique." In La biogéographie, 327–44. ISTE Group, 2022. http://dx.doi.org/10.51926/iste.9060.ch12.
"CHAPITRE 2. Les impacts potentiels des changements climatiques et des événements extrêmes sur la production agricole et effets réciproques." In Démographie, climat et alimentation mondiale, 21–44. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-0886-1.c013.
Звіти організацій з теми "Littoraux – Effets des changements climatiques":
Iyer, Ruhil, and Léa Pare Toe. Effet des aléas climatiques sur les pratiques d’hygiène et d’assainissement en milieu rural au Burkina Faso. The Sanitation Learning Hub, Institute of Development Studies, August 2022. http://dx.doi.org/10.19088/slh.2022.017.
Bibiane Ndjebet, Cécile, and Phil René Oyono. Bassin du Congo : La sécurisation des droits fonciers des femmes lue à travers la théorie des droits de propriété. Rights and Resources Initiative, December 2020. http://dx.doi.org/10.53892/qaxg4403.
Meloche, Jean-Philippe, Jérôme Dupras, Andrew Gonzales, Justin Leroux, and François Vaillancourt. Étude sur la mise en œuvre d’outils d’écofiscalité au service de la conservation et de l’adaptation aux changements climatiques dans les basses-terres du Saint-Laurent. CIRANO, June 2023. http://dx.doi.org/10.54932/kgdx2810.
Meloche, Jean-Philippe, Cédric Bourbonnais, Arnaud Dragicevic, Tejasvi Hora, Noémie Lacroix, Julie Lebert, Justin Leroux, et al. Étude sur la mise en œuvre d’outils d’écofiscalité au service de la conservation et de l’adaptation aux changements climatiques dans les basses-terres du Saint-Laurent. CIRANO, June 2023. http://dx.doi.org/10.54932/momv7435.