2013
DOI: 10.19182/bft2013.318.a20514
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Impact des gradients topographique et anthropique sur la diversité des formations ligneuses soudaniennes

Abstract: Le paysage soudanien est en pleine mutation avec une conversion progressive des formations soudaniennes en formations sahéliennes. Dans cette étude, menée sur les formations ligneuses soudaniennes, l'objectif était d'évaluer, d'une part, les effets isolés du mode d'utilisation des terres et de la position topographique et, d'autre part, celui de leurs interactions sur la diversité floristique des formations végétales. Pour ce faire, des relevés phytosociologiques de superficies variables ont été réalisés dans … Show more

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Cited by 22 publications
(20 citation statements)
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“…The sampling unit was a 50 m × 20 m (1000 m 2 ) in noncultivated areas and 50 m × 50 m (2500 m 2 ) in cultivated areas [14]. The rectangular 1000 m 2 in non-cultivated areas was used by many authors in the sub-Sahelian sector [14][15][16][17] to take into consideration the spatial distribution of most species with spread individuals [14].…”
Section: Floristic Datamentioning
confidence: 99%
See 1 more Smart Citation
“…The sampling unit was a 50 m × 20 m (1000 m 2 ) in noncultivated areas and 50 m × 50 m (2500 m 2 ) in cultivated areas [14]. The rectangular 1000 m 2 in non-cultivated areas was used by many authors in the sub-Sahelian sector [14][15][16][17] to take into consideration the spatial distribution of most species with spread individuals [14].…”
Section: Floristic Datamentioning
confidence: 99%
“…The rectangular 1000 m 2 in non-cultivated areas was used by many authors in the sub-Sahelian sector [14][15][16][17] to take into consideration the spatial distribution of most species with spread individuals [14]. Overall, 44 plots were laid in non-cultivated areas and 52 in cultivated areas.…”
Section: Floristic Datamentioning
confidence: 99%
“…The study area is located in Burkina Faso's North-Sudanian savannas, between 11°21 0 to 11°39 0 N, and 3°29 0 to 3°16 0 W. Climate is semi-arid, with a mean annual precipitation around 900 mm yr À1 , and a rainy season between May and October (Bondé et al, 2013). Landforms consist of small rocky elevations surrounded by sedimentary basins (Butt and Bristow, 2013).…”
Section: Study Areamentioning
confidence: 99%
“…The study area includes two protected forests (Bansié with 3 km 2 ; and Bahoun with 16 km 2 ). Outside protected areas, a mosaic of fallows, non-arable land, forest fragments and fields is found (Bondé et al, 2013).…”
Section: Study Areamentioning
confidence: 99%
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