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Peri-urban mangroves forests as filters and potential phytoremediators of domestic sewage in East Africa

Objective

ABSTRACT: Peri-urban coastal areas of the developing world receive extensive amounts of untreated sewage, which is typically discharged into creeks lined by mangrove forests. Mangroves in all probability filter this discharged wastewater, thereby limiti ng coastal sewage pollution. This project aims to demonstrate this ecosystem service and to examine its ecological and socio-economical effects. It will develop the technology for using constructed mangrove wetlands for secondary treatment of domestic se wage water. It will examine the feasibility of "strategic reforestation and conservation" in sewage hotspot areas, to encourage natural mangrove filtration of discharged wastewater. It will develop an implementation plan for the exploitation of the devel oped technology and know-how, based on analysis of governance, policy, cost and financing options. The work will take place in peri-urban mangrove areas of Maputo (Mozambique), Dar es Salaam (Tanzania) and Mombasa (Kenya). It will include: socio-economy, condition mapping, biogeochemistry, ecology, modelling, controlled experimentation and experimental optimisation of a trial wetland used for secondary treatment of sewage. Governance analysis and implementation planing will focus on Dar es Salaam, but have reference to Maputo and Mombasa. PUMPSEA addresses INCO research objectives A.2.2 (primarily) and A.2.1 (secondarily), by valuation of coastal ecosystem services, and by supporting policy and management analysis into mitigating the degradation of co astal zones in peri-urban areas. Using constructed mangrove wetlands for sewage treatment could be an innovative solution that complies with the social, economic and environmental contexts of developing countries. Strategic mangrove conservation and refo restation in sewage discharge areas can facilitate natural filtration and may represent cheap and immediately implementable approaches to mitigating coastal sewage pollution.

Call for proposal

FP6-2002-INCO-DEV-1
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Funding Scheme

STIP - Specific Targeted Innovation Project

Coordinator

LNSITUTO DE CIENCIA APLICADA E TECNOLOGIA
Address
Campo Grande - Edificio Icat
Lisboa
Portugal

Participants (10)

IMAR-LNSTITUTO DO MAR
Portugal
Address
C/o Departamento De Zoologia, Faculdade De Ciencias E Tecnologia, Universidade De Coimbra
Coimbra
LNSTITUTE OF BIOLOGY UNIVERSITY OF SOUTHERN DENMARK
Denmark
Address
Campusvej 55
Odense M
STOCKHOLMS UNIVERSITET
Sweden
Address
Universitetsvägen 10
Stockholm
KENYA MARINE & FISHERIES RESEARCH INSTITUTE
Kenya
Address
Mkomani, English Point
Mombasa
DEPARTMENT OF BIOLOGICAL SCIENCE, UNIVERSIDADE EDUARDO MONDLANE.
Mozambique
Address
Reitoria Da Universidade, Praca 25 De Junho
Maputo
UNIVERSITY OF DAR ES SALAAM.
Tanzania
Address
Mlimani Campus
Dar Es Salaam
NATIONAL ENVIRONMENT MANAGEMENT COUNCIL
Tanzania
Address
Tancot House 3Rd Foor, Sokoine/pamba Road
63154 Dar Es Salaam
HELMHOLTZ-ZENTRUM FÜR UMWELTFORSCHUNG GMBH - UFZ
Germany
Address
Permoserstrasse 15
Leipzig
UNIVERSITÀ DEGLI STUDI DI FIRENZE
Italy
Address
Piazza S. Marco 4
Firenze
Vrije Universiteit Brussel
Belgium
Address
Pleinlaan 2
Brussel