Identificação dos factores que contribuem para a perda dos mangais no bairro de Icidua, cidade de Quelimane.

Abstract

The objective of this work was to identify the factors that contribute to the loss of mangroves and the techniques for their recovery in the Icidua neighborhood, Quelimane city. For this, hypotheses were raised, with the lack of space for construction being oneof the causes of the destruction of the mangrove ecosystem in the Icidua neighborhood. For the sampling of the mangrove flora, plots were drawn along a transect traced in a horizontal direction towards the estuary, the plots were 200 m2, spacing 50 m, where the numbers of felled trees and trees with DPA were counted and subsequent identification of the species present in the plots with the aid of a species identification script, and through semi-structured interviews, information on mangrove degradation was obtained. From the research, it was possible to identify the causes that lead to the destruction of the mangrove in the region of Icidua, with 47% of respondents pointing to use in wood fuel, 37% for sale and 21% for housing construction. Factors contributing to the recovery of mangroves have been pointed out factors such as: the emergence of seedlings and emergence of seeds as one of the factors that contribute to mangrove recovery. From a proposal point of view, it is aimed at monitoring, controlled culling, community awareness and the development of community-based mangrove reforestation projects. It is therefore concluded that the factors contributing to the recovery of mangroves are hydrological conditions, tidal level, presence of seeds and seedlings, as well as specific diversity.