2014
DOI: 10.4314/ijbcs.v8i3.24
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Quantification de la biomasse aérienne des palétuviers du genre <i>Rhizophora</i> au Delta du Saloum (Sénégal)

Abstract: RESUME L'étude de la biomasse aérienne des palétuviers a fait l'objet d'un inventaire dans quatre unités d'échantillonnage. Quinze parcelles permanentes ont aussi permis d'étudier les effets de certains facteurs du milieu sur la biomasse. Dans les strates de hauteur moyenne, la biomasse sèche des racines aériennes la plus élevée est de 67 tonnes à l'hectare chez R. mangle. Dans les strates hautes, celle la plus élevée est de 83,3 tonnes à l'hectare. Ces deux grandes quantités de biomasse racinaire supportent a… Show more

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“…During the inventory of mangrove plantations, the sampling unit was a square plot of 2.5 m x 2.5 m (6.25 m 2 ), placed along a transect following the largest diagonal of each plantation (Figure 2) in accordance with the method developed by (Ndour, 2005; In each plantation, one (1) transect of 250 m length was set up, resulting in an average of 10 plots of 2.5 m x 2.5 m (Figure 2) following a series of distances between 5 and 25 m. The maximum distance of 25 m was chosen based on the smallest diagonal and the minimum distance of 5 m was chosen to avoid the edge effect of the bolongs which are defined as a saltwater channel, characteristic of the coastal areas of Senegal or Gambia, near estuaries (Ndour et al, 2014b). This method resulted in a sample size of 240 plots for all communes for a total area of plantations estimated at 110 ha of mangrove plantations.…”
Section: Data Collectionmentioning
confidence: 99%
See 1 more Smart Citation
“…During the inventory of mangrove plantations, the sampling unit was a square plot of 2.5 m x 2.5 m (6.25 m 2 ), placed along a transect following the largest diagonal of each plantation (Figure 2) in accordance with the method developed by (Ndour, 2005; In each plantation, one (1) transect of 250 m length was set up, resulting in an average of 10 plots of 2.5 m x 2.5 m (Figure 2) following a series of distances between 5 and 25 m. The maximum distance of 25 m was chosen based on the smallest diagonal and the minimum distance of 5 m was chosen to avoid the edge effect of the bolongs which are defined as a saltwater channel, characteristic of the coastal areas of Senegal or Gambia, near estuaries (Ndour et al, 2014b). This method resulted in a sample size of 240 plots for all communes for a total area of plantations estimated at 110 ha of mangrove plantations.…”
Section: Data Collectionmentioning
confidence: 99%
“…In addition to their recognized carbon sequestration potential, mangrove formations are home to many wildlife and floristic resources on which the riparian populations directly depend. Indeed, their ecological importance in terms of multiple trophic levels and coastal protection against marine erosion has been demonstrated by various authors (Aubé, 1999;Field, 1995;Jatobá et al, 2016;Ndour et al, 2014b;Pavithra et al, 2019).…”
Section: Introductionmentioning
confidence: 95%