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Academic literature on the topic 'Écologie des falaises'
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Journal articles on the topic "Écologie des falaises"
Geistdoerfer, Aliette. "L'évolution techno-économique de la pêche côtière." Articles 11, no. 3 (April 12, 2005): 289–300. http://dx.doi.org/10.7202/055504ar.
Full textSAWTSCHUK, Jérôme, Philippe GOURDAIN, Olivier DELZONS, Agathe LARZILLIÈRE, François QUENOT, and Thierry COÏC. "Quelles trajectoires de réhabilitation pour la décharge de l’Île d’Ouessant (29) ? Retour sur dix années de recherche-action." Naturae, no. 22 (October 20, 2021). http://dx.doi.org/10.5852/naturae2021a22.
Full textIORIO, Étienne, François DUSOULIER, Fabien SOLDATI, Franck NOËL, Jean-Alain GUILLOTON, Guillaume DOUCET, Philippe PONEL, et al. "Les Arthropodes terrestres dans les études d’impact : limites actuelles et propositions pour une meilleure priseen compte des enjeux de conservation." Naturae, no. 4 (February 23, 2022). http://dx.doi.org/10.5852/naturae2022a4.
Full textDissertations / Theses on the topic "Écologie des falaises"
Le, Roy Maxime. "Contribution à la connaissance socio-écologique des opérations de restauration des hauts de falaises littorales de Bretagne." Electronic Thesis or Diss., Brest, 2019. http://www.theses.fr/2019BRES0034.
Full textMaritime clifftops might be considered as social-ecological systems where rare habitats (maritime heathland and clifftop vegetation) and multiples recreational uses (tourism, fishing, hiking) are coexisting. For more than fifty years, these uses are leading to important maritime clifftop habitat degradations. In reaction to these degradations, many restoration projects have been conducted for nearly 30 years. The thesis purpose is to carry out an assessment of restoration projects in order to improve future restoration projects by increasing knowledge about those social-ecological systems. This study is mostly based on 23 semi-structured interviews and 2 workshops conducted with restoration stakeholders, 465 vegetation monitoring plots set on 18 restored sites along Brittany’s coast and arthropods sampling conducted on three different sites.From these data, sociological, methodological, plant succession, arthropods and plant communities’ studies have been performed in order to put forward recommendations for future restoration projects planning and to highlight scientific needs. The need for a better consideration of restoration goals, in particular social goals, has been pointed out. Succession study has shown that, when habitat degradation is not too heavy, passive restoration is slow, but efficient on the long term. In highly degraded habitat thought, active restoration seems required to start restoration process. Complementary studies are still needed to adapt restoration method choice to different degradation and site contexts
Sawtschuk, Jérôme. "Restauration écologique des pelouses et des landes des falaises littorales atlantiques : Analyse des trajectoires successionnelles en environnement contraint." Phd thesis, Université de Bretagne occidentale - Brest, 2010. http://tel.archives-ouvertes.fr/tel-00662843.
Full textLe, Roy Maxime. "Contribution à la connaissance socio-écologique des opérations de restauration des hauts de falaises littorales de Bretagne." Thesis, Brest, 2019. http://www.theses.fr/2019BRES0034/document.
Full textMaritime clifftops might be considered as social-ecological systems where rare habitats (maritime heathland and clifftop vegetation) and multiples recreational uses (tourism, fishing, hiking) are coexisting. For more than fifty years, these uses are leading to important maritime clifftop habitat degradations. In reaction to these degradations, many restoration projects have been conducted for nearly 30 years. The thesis purpose is to carry out an assessment of restoration projects in order to improve future restoration projects by increasing knowledge about those social-ecological systems. This study is mostly based on 23 semi-structured interviews and 2 workshops conducted with restoration stakeholders, 465 vegetation monitoring plots set on 18 restored sites along Brittany’s coast and arthropods sampling conducted on three different sites.From these data, sociological, methodological, plant succession, arthropods and plant communities’ studies have been performed in order to put forward recommendations for future restoration projects planning and to highlight scientific needs. The need for a better consideration of restoration goals, in particular social goals, has been pointed out. Succession study has shown that, when habitat degradation is not too heavy, passive restoration is slow, but efficient on the long term. In highly degraded habitat thought, active restoration seems required to start restoration process. Complementary studies are still needed to adapt restoration method choice to different degradation and site contexts
Mathaux, Coralie. "Vivre dans des conditions difficiles en falaise : potentialités et longévité du genévrier de Phénicie (Juniperus Phoenicea L)." Thesis, Aix-Marseille, 2017. http://www.theses.fr/2017AIXM0073/document.
Full textThe cliffs are the last virgin ecosystems of the temperate zone. They represent a reservoir of biodiversity and a refuge for many plant and animal species and can harbor long-lived species. In the Mediterranean basin, the scarcity of old and natural forest populations and even that of isolated trees reaching great ages is explained by the existence of a strong anthropogenic pressure for about 10 000 years. However, in the gorges of the Ardèche (southern France), populations of Juniperus phoenicea in cliffs present all age classes including millennial individuals. Beyond this, the cliffs regularly shelter old trees that can be identified using visual morphological criteria. Nevertheless, the rock walls impose important stresses on the trees which develop therein due to the verticality and the compactness of the substrate. The soil is absent or very reduced and this leads to a supply of water and nutrients which can also be limited. Moreover, the verticality of the environment causes many rockfalls that injure or kill the trees. Juniperus phoenicea which colonize these very restrictive habitat respond to the pressure of such a medium by a very low growth rate, a partial mortality of the aerial system and the cambium, the leaf morphological characteristics adapted to the drought, the ability to use water from mists and small rains that only wet the foliage, and they also have arbuscular mycorrhizal fungal community adapted to this environment, while at the same time achieving exceptional longevity
Books on the topic "Écologie des falaises"
Kelly, Peter E. The last stand: A journey through the ancient cliff-face forest of the Niagara Escarpment. Toronto, ON: Natural Heritage Books, 2007.
Find full textLarson, Douglas W., and Peter E. Kelly. The Last Stand: A Journey Through the Ancient Cliff-Face Forest of the Niagara Escarpment. Natural Heritage Books, 2007.
Find full textLarson, Doug, Sarah Harmer, and Peter E. Kelly. Last Stand: A Journey Through the Ancient Cliff-Face Forest of the Niagara Escarpment. Dundurn Press, 2007.
Find full textLarson, Doug, Sarah Harmer, and Peter E. Kelly. Last Stand: A Journey Through the Ancient Cliff-Face Forest of the Niagara Escarpment. Dundurn Press, 2007.
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