2012
DOI: 10.4000/vertigo.11515
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Rôles des mangroves, modes et perspectives de gestion au Delta du Saloum (Sénégal)

Abstract: Cette étude a permis de déterminer divers rôles de la mangrove au Saloum. Au plan écologique, les moindres changements environnementaux sont préjudiciables aux mangroves (Ndour, 2005 ; Diaw, 1997 ; Thomas et al., 1997 ; Blasco, 1983). Les conséquences sont leur dégradation et la perte des fonctions de frayères, d’habitat et de niche écologiques. Dans le domaine socioéconomique, l’exploitation de leurs ressources fait jouer aux mangroves du Delta du Saloum le rôle de rempart des moyens d’existence des populatio… Show more

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Cited by 22 publications
(17 citation statements)
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“…; Avicennia germinans (L.) Stearn; and Conocarpus erectus L. (Cisse et al, 2004;Corcoran et al, 2007). All but Acrostichum aureum L. are found in the Sine-Saloum Delta (Ndour et al, 2012). Within the Delta, there is some differentiation among mangroves in three sub-regions, with the tallest trees (7-11 m in height) being present in the southern part, shorter trees (2-8 m in height) with signs of degradation in the central part, and extremely short (less than 4 m in height) and highly degraded trees to the point of disappearance in the northern part of the Delta (Dia, 2012).…”
Section: Introductionmentioning
confidence: 99%
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“…; Avicennia germinans (L.) Stearn; and Conocarpus erectus L. (Cisse et al, 2004;Corcoran et al, 2007). All but Acrostichum aureum L. are found in the Sine-Saloum Delta (Ndour et al, 2012). Within the Delta, there is some differentiation among mangroves in three sub-regions, with the tallest trees (7-11 m in height) being present in the southern part, shorter trees (2-8 m in height) with signs of degradation in the central part, and extremely short (less than 4 m in height) and highly degraded trees to the point of disappearance in the northern part of the Delta (Dia, 2012).…”
Section: Introductionmentioning
confidence: 99%
“…Mangroves, particularly the Rhizophora species, are often preferred for fuelwood and charcoal because they produce less smoke and burn longer and hotter than many other woods (Bandaranayake, 1998;Balla Dieye et al, 2013;Walters et al, 2008). Within the Sine Saloum Delta region, it is estimated that from 1500 to 5700 individuals per hectare have been cutting mangrove wood (Ndour et al, 2012). In the Sine-Saloum Delta, mangroves support over 114 spawning and/or nursing fish species (Dia, 2012), and 15,000 tons of fish and shrimp, and 2600 tons of mollusks are produced annually (ADG, 2011).…”
Section: Introductionmentioning
confidence: 99%
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“…Malgré ces diverses contraintes, les palétuviers contribuent à l'enrichissement du milieu par les quantités de litière qu'ils libèrent annuellement au sein de l'écosystème. Cette litière est transformée en matière minérale par les microorganismes lors du recyclage de la matière organique (FAO, 1994 ;Rajendran et Kathiresan, 2007 ;Ndour et al, 2012). Constitué majoritairement de feuilles, ce matériel végétal contribue à l'amélioration du taux de recouvrement du milieu pendant 12 mois, du fait que les palétuviers sont des espèces sempervirentes.…”
Section: Introductionunclassified