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Academic & Professional Books  Ecology  Biogeography & Invasive Species

Biogéographie de la Flore du Sahara: Une Biodiversité en Situation Extrême [Biogeography of the Flora of the Sahara: Biodiversity under Extreme Conditions]

By: Frédéric Médail(Author), Pierre Quézel(Author)
366 pages, colour photoscolour & b/w illustrations, colour maps
Biogéographie de la Flore du Sahara: Une Biodiversité en Situation Extrême [Biogeography of the Flora of the Sahara: Biodiversity under Extreme Conditions]
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  • Biogéographie de la Flore du Sahara: Une Biodiversité en Situation Extrême [Biogeography of the Flora of the Sahara: Biodiversity under Extreme Conditions] ISBN: 9782366622140 Paperback Aug 2018 Usually dispatched within 1-2 weeks
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About this book

Language: French

Although at first thought the Sahara does not evoke the notion of biodiversity, the flora of the Sahara is nevertheless much more diversified than it seems. Sometimes a barrier or relay for the dispersal of species, the Great Desert indeed has a rich and very original biogeographic history, synthesized in this book for the first time.

From the first Saharan botanical explorations at the end of the nineteenth century, to the pioneering work of the mid-twentieth century, to the most recent biogeographical achievements, this book puts into perspective the organization and evolution of the Saharan flora in a changing environment, from savannah to land of extreme aridity. What is the diversity and history of this little known plant community? How could the Mediterranean or tropical flora migrate and then stay in the Saharan mountains or on the sea fronts? What are the consequences of past and present environmental changes?

Faced with the challenges of preserving this unique natural heritage, the book emphasizes the need for a conservation policy to match the scale of this immense desert. A natural region neglected by research, the Sahara deserves to be reinvested in the life sciences, especially as it forms an exceptional laboratory to study the impact of global changes in extreme environmental situations.

The book, well documented and abundantly illustrated, will provide managers of arid environments, ecologists and biogeographers, teachers and students in biology and ecology, but also naturalists and simple travelers, a new look on the Saharan flora and its history.

Summary in French:
Bien que l’imaginaire saharien n’évoque pas a priori la notion de biodiversité, la flore du Sahara est néanmoins bien plus diversifiée qu’il n’y paraît. Tantôt barrière ou relais pour la dispersion des espèces, le Grand Désert est en effet riche d’une histoire biogéographique très originale, dont cet ouvrage donne une première synthèse.

Depuis les premières explorations botaniques sahariennes de la fin du xixe siècle, aux travaux pionniers du milieu du xxe siècle, jusqu’aux acquis biogéographiques les plus récents, l’ouvrage met en perspective l’organisation et l'évolution de la flore saharienne au sein d’un environnement changeant, tour à tour savane arborée puis terre d’une extrême aridité. Quelles sont la diversité et l'histoire de ce peuplement végétal peu connu ? Comment les flores méditerranéennes ou tropicales ont-elles pu migrer puis se maintenir dans les massifs sahariens ou sur les façades maritimes ? Quelles sont les conséquences des changements environnementaux passés et actuels ?

Face aux enjeux de préservation de ce patrimoine naturel unique, l’ouvrage met l’accent sur la nécessité d’une véritable politique de conservation à l'échelle de cet immense désert. Région naturelle trop négligée par la recherche, le Sahara mérite d'être réinvesti par les sciences du vivant, et ce d’autant qu’il forme un laboratoire exceptionnel pour étudier l'impact des changements globaux en situation environnementale extrême.

L’ouvrage, très documenté et abondamment illustré, fournira aux gestionnaires des milieux arides, aux écologues et biogéographes, aux enseignants et étudiants en biologie et en écologie, mais aussi aux naturalistes et simples voyageurs, un éclairage inédit sur la flore saharienne et son histoire.

Customer Reviews

By: Frédéric Médail(Author), Pierre Quézel(Author)
366 pages, colour photoscolour & b/w illustrations, colour maps
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