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Mangrove Swamps

Causes and consequences of mangrove deforestation in the Volta Estuary, Ghana: Some recommendations for ecosystem rehabilitation


The damming of the Volta River has resulted in reduced flooding and an increase in mangrove cutting, due to the virtual collapse of agriculture and fishing in the estuary. Another ecological consequence of the reduced level of flooding has been reduced dispersal of seedlings of the principal mangrove Rhizophora racemosa. Therefore, after cutting of this species, recolonisation is either by conspecifics growing at very high densities or by one of a number of weed species. Environmental data collected in the vicinity of the mangroves and each of the weed species have enabled suggestions to be made as to whether R. racemosa or Avicennia africana would be the more suitable mangrove to replant. Recommendations have also been made to introduce the palm Nypa fruticans to the area, together with the development of nature-based tourism, both of which would provide alternative means of income generation, thereby reducing the need to cut remaining mangroves

 

Name of Author(s):
Rubin, J. A., Gordon, C., & Amatekpor, J. K.
Institutional Affiliation:
1Institute of Marine Studies, University of Plymouth Plymouth PL4 8AA, UK; 2,3Volta Basin Research Project, PO Box 209, University of Ghana, Legon, Accra, Ghana
Type of Publication:
Journal Article
Name of Publisher or Journal:
Marine Pollution Bulletin
Date of Publication:
1999
Number of Pages:
9