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  • 11
    Publication Date: 2021-05-19
    Description: This study presents an assessment of a unique exploitation of a peri-urban mangrove. The diversity of respondents, spread over wide areas, some with no apparent links with the ecosystem, coupled with legal and illegal resource exploitation, in the midst of inadequate but punitive enforcement meted on impoverished communities, pose significant challenges in conducting questionnaire surveys. Potentially limiting if not inhibiting information flow. Mangrove wood is exploited at both subsistence and commercial scales, firewood being the most ubiquitous form of use at both urban and rural settings. Forest assessments indicate the lack of preferred or specific harvesting sites. Though harvesting location is mostly dependent on profession. R. mucronata is the most harvested mangrove species. The study shows that resource exploitation is intense and “efficient” in an urban setting due to the economic drive and high demand emanating from a high human population. This has given rise to practices that mitigate against traditional norms, promoting destructive unsustainable harvesting. The outcome is the gross under-valuing of ecosystem goods and services in addition to degrading the ecosystem. The management of mangroves for wood extraction in urban areas may not be a viable and/or sustainable option, as it conflicts with functions of mangrove ecosystems, otherwise important in „resource limited‟ urban environment. It is recommended that a participatory and adaptive management, considering multiple uses and users is the viable way to manage peri-urban mangroves. this will ensure social and ecological resilience in the long-run. However, this may require specific legislative, education and institutional interventions. Integrating local ecological knowledge, may further promote a participatory approach and expedite the formulation of sustainable management plans for peri-urban mangroves.
    Description: Mohamed, M. O. S., Kairo, J. G., Dahdouh-Guebas, F. and Koedam N. 2008. How Sustainable is the Utilization of Mangrove Products in Peri-Urban Mombasa, Kenya? Ecology and Society, Manuscript #: ES-2008-2617, Version 1 .
    Description: Published
    Keywords: Mangroves ; Urbanization ; Harvesting ; Exploitation ; Firewood
    Repository Name: AquaDocs
    Type: Report , Not Known
    Format: pp.56-81
    Location Call Number Limitation Availability
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  • 12
    Publication Date: 2020-02-12
    Description: In the present study, the high-resolution stable carbon (13C/12C) and oxygen (18O/16O) isotope ratio profiles in the wood of the mangrove Rhizophora mucronata Lam., a tropical tree species lacking distinct growth rings, were investigated. Variations of both isotope ratios revealed a remarkable annual cyclicity with lowest values occurring at the latewood/earlywood boundary (April–May) and highest values during the transition from earlywood to latewood (October–November). Based on the current knowledge of the physiology of this mangrove species, as well as on the current literature available on high-resolution profiles of stable isotope ratios in tree rings, possible driving forces responsible for this seasonal pattern are discussed. The annual cyclicity, together with a conspicuous isotope pattern appearing in the El-Niño year 1997, promises great potential for tropical dendrochronology.
    Keywords: 550 - Earth sciences
    Type: info:eu-repo/semantics/article
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