Rubrique ‘English materials’

The Guiana Current. Ocean Surface Currents

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Extrait: Links, summary text detailing velocity and hydrographic observations, and plots such as, average current speed and locations, drifting buoy positions, sea surface temperature maps, and HYCOM simulations. The Guiana Current surface water enters the Caribbean primarily between the Windward Islands ...

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Identification of birds as biological markers along a neotropical urban–rural gradient (Cayenne, French Guiana), using co-inertia analysis

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Extrait: This article examines the utility of particular bird species and guilds as bioindicators in a complex habitat mosaic, namely that of the tropical city of Cayenne (French Guyana). For this purpose, an urbanization gradient was divided up into nine classes based on 576 standard bird counts (using t ...

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An Unusual Diamond-Bearing Talc Schist from the Dachine Area of French Guiana

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Extrait: An unusual metamorphic diamond-bearing rock is part of the 2.11 Ga metavolcanics of the Lower Paramaca series in the Dachine area of the southern greenstone belt of French Guiana. A mineral assemblage corresponding to greenschist facies metamorphism makes up the bulk of the host rock. Mantle-derive ...

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Comparing spaceborne ERS-SAR and airbone geophysical data: application to geology in the French Guiana rainforest landscapes

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Extrait: Schematically French Guiana geological setting comprises essentially Palaeoproterozoic terrains, which are deeply altered under a humid tropical climate. In July and December 1996 the French Geological Survey (BRGM) working for the French Ministry of Industry supervised an airborne geophysical surv ...

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Aedes aegypti in French Guiana: susceptibility to a dengue virus

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Extrait: Twenty-seven samples of Aedes aegypti (F1 generation) from French Guiana were tested for their susceptibility to dengue serotype 2 virus. Very high infection rates were observed by indirect fluorescent antibody (IFA) test. Ae. aegypti samples were pooled according to two groups: the first group ( ...

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