Results 31 to 40 of about 532 (70)

: Volcanoes and Humans since the Last InterglaciaL in Basse Auvergne (Massif Central, France) [PDF]

open access: yes, 1998
pdf du manuscritThe impact of volcanic eruptions needs to be considered more closely from the point of view of human behaviour in an area of volcanic activity .
Raynal, Jean-Paul   +2 more
core   +1 more source

Evolution of the West African Mangrove During the Late Quaternary: A Review [PDF]

open access: yes, 1997
The review of pollen data on mangrove pollen deposition in modern and late Quaternary sediments of West Africa points to two distinct signals linked to the sedimentary environment concerned.
Lézine, Anne-Marie
core   +1 more source

Dynamiques paysagères et activités agropastorales au cours des deux derniers millénaires [PDF]

open access: yes, 2006
Avant d'aborder la question des dynamiques agropastorales sur le plateau de l'Aubrac au cours des deux derniers millénaires, il est préférable de faire un bilan des connaissances acquises grâce aux recherches palynologiques menées dans cette région au ...
Galop, Didier
core   +1 more source

Essai de Phytoclimatologie dynamique dans le nord du Portugal, et réflexion sur les climats mediterranéens portugais [PDF]

open access: yes, 1996
A STUDY IN DYNAMIC PHYTOCLIMATOLOGY IN THE NORTH OF PORTUGAL AND THE QUESTION OF MEDITERRANEAN CLIMATES IN PORTUGAL - The climate-vegetation relation in the north of Portugal is studied in a new way.
Ana Isabel D. Correia, Michel Lecompte
core   +2 more sources

Le lac du Bourget (Savoie, France) à l'Âge du Bronze : végétation, impacts anthropiques et climat [PDF]

open access: yes, 2008
Lake Bourget (Savoie, France) during the Bronze Age: vegetation, anthropogenic impacts and climate Pollen analyses performed on three archaeological sites located on the east shore of Lake Bourget (Savoie, France) provide a detailed record of human ...
Arnaud, Fabien   +7 more
core   +2 more sources

Les caféiers en Afrique : diversité génétique et amélioration des plantes [PDF]

open access: yes, 1989
Des collectes de caféiers sauvages, dans la zone tropicale humide africaine, ont permis de constituer une collection vivante des différentes espèces de #Coffea$.
Anthony, François   +5 more
core   +1 more source

Isopoll Maps and an Analysis of the Distribution of the Modern Pollen Rain, Eastern and Central Northern Canada [PDF]

open access: yes, 1982
At 39 sites in eastern and central northern Canada, multiple samples of surface moss and lichens have been analyzed for their pollen content. Although pollen from 20 to 30 taxa were identified in the samples from each site, 8 pollen types ...
Andrews, J. T.   +3 more
core   +1 more source

Le projet "Dahomey Gap": une contribution à l'histoire de la végétation au Sud-Bénin et Sud-ouest du Nigéria [PDF]

open access: yes, 2006
La coupure que l'on constate dans les forêts denses africaines au niveau du Togo et du Bénin soulève de nombreuses questions sur les rapports forêt/savane au cours des derniers millénaires.
Akoègninou, Akpovi   +4 more
core  

A late Pleistocene long pollen record from Lake Urmia, NW Iran [PDF]

open access: yes, 2008
A palynological study based on two 100-m long cores from Lake Urmia in northwestern Iran provides a vegetation record spanning 200 ka, the longest pollen record for the continental interior of the Near East.
Akhani, H   +10 more
core   +1 more source

Âge de la déglaciation finale et histoire postglaciaire de la végétation dans la partie centrale du Nouveau-Québec [PDF]

open access: yes, 1982
L'analyse poliinique, l'analyse macrofossile, ainsi que la datation au radiocarbone de quatre carottes de sédiments lacustres postglaciaires, ont permis d'établir l'âge minimal de la déglaciation et l'histoire postglaciaire de la végétation
Bouchard, Michel A.   +2 more
core   +1 more source

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