NDLI: Le contenu pollinique de l'atmosphère en Côte d'lvoire et au Tchad

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Le contenu pollinique de l'atmosphère en Côte d'lvoire et au Tchad

Content Provider Semantic Scholar
Author Ybert, Iean-Pierre
Copyright Year 1980
Abstract Abstract A study of the atmospheric pollen content was carried out on two series of samples collected respectively in 1973 and 1972 from the South of the Ivory Coast and from Chad respectively. The analysis revealed relatively important differences between the two regions, the first of which was in the Guinean zone and the second in the Sahelian zone. In the Guinean zone, the atmospheric pollen content, in spite of the dense vegetation, is weak and the pollen transport is negligible. In the Sahelian zone, where vegetation is sparser, the number of pollen grains in the atmosphere is more significant. In addition there is also a non-negligible number of allochtonous pollen grains brought by the wind coming from the north. The pollen grains of herbaceous plants are clearly dominant. A comparison of the results obtained at the two sites shows that rain and the degree of moisture in the air play an important part in the yield of pollen flow. Une etude du contenu pollinique de l'atmosphere a ete realisee sur de...
Starting Page 31
Ending Page 46
Page Count 16
File Format PDF HTM / HTML
DOI 10.1080/00173138009424985
Alternate Webpage(s) https://core.ac.uk/download/pdf/39877721.pdf
Alternate Webpage(s) https://doi.org/10.1080/00173138009424985
Volume Number 19
Language English
Access Restriction Open
Content Type Text
Resource Type Article

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Transmission concomitante de trypanosomose humaine et animale : le foyer de Mandoul au Tchad

L'appui en alimentation du LRVZ pour le développement de l'aviculture au Tchad

Note sur l'utilisation de quelques Bignogniacées dans la thérapeutique indigène de la Côte d'lvoire

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Le contenu pollinique de l'atmosphère en Côte d'lvoire et au Tchad

Content Provider	Semantic Scholar
Author	Ybert, Iean-Pierre
Copyright Year	1980
Abstract	Abstract A study of the atmospheric pollen content was carried out on two series of samples collected respectively in 1973 and 1972 from the South of the Ivory Coast and from Chad respectively. The analysis revealed relatively important differences between the two regions, the first of which was in the Guinean zone and the second in the Sahelian zone. In the Guinean zone, the atmospheric pollen content, in spite of the dense vegetation, is weak and the pollen transport is negligible. In the Sahelian zone, where vegetation is sparser, the number of pollen grains in the atmosphere is more significant. In addition there is also a non-negligible number of allochtonous pollen grains brought by the wind coming from the north. The pollen grains of herbaceous plants are clearly dominant. A comparison of the results obtained at the two sites shows that rain and the degree of moisture in the air play an important part in the yield of pollen flow. Une etude du contenu pollinique de l'atmosphere a ete realisee sur de...
Starting Page	31
Ending Page	46
Page Count	16
File Format	PDF HTM / HTML
DOI	10.1080/00173138009424985
Alternate Webpage(s)	https://core.ac.uk/download/pdf/39877721.pdf
Alternate Webpage(s)	https://doi.org/10.1080/00173138009424985
Volume Number	19
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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