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Assessing wetland degradation and loss of ecosystem services in the Niger Delta, Nigeria

Ayanlade, Ayansina; Proske, Ulrike

Description

The Niger Delta, being the most extensive freshwater wetland and aquatic ecosystem in West Africa, provides numerous services both to local people and to the West African economy. Ongoing environmental pressure exerted by large-scale oil extraction and illegal timber logging, however, are suspected to have had a substantial impact on the Delta's ecosystems over the last decades. Knowledge on impact of these activities on the region's wetlands now or in the past is scarce and patchy. To address...[Show more]

dc.contributor.authorAyanlade, Ayansina
dc.contributor.authorProske, Ulrike
dc.date.accessioned2017-02-14T04:28:58Z
dc.date.available2017-02-14T04:28:58Z
dc.identifier.issn1323-1650
dc.identifier.urihttp://hdl.handle.net/1885/112351
dc.description.abstractThe Niger Delta, being the most extensive freshwater wetland and aquatic ecosystem in West Africa, provides numerous services both to local people and to the West African economy. Ongoing environmental pressure exerted by large-scale oil extraction and illegal timber logging, however, are suspected to have had a substantial impact on the Delta's ecosystems over the last decades. Knowledge on impact of these activities on the region's wetlands now or in the past is scarce and patchy. To address this lack of knowledge, this study assesses spatiotemporal changes in two wetlands in the region by using satellite data from 1984 to 2011 and GIS methods. The results show that both wetlands have experienced substantial degradation, particularly with respect to the area of forest lost. Although comprehensive environmental protection laws were introduced in 1988, ecosystem services of up to US$65 million in value were lost over the study period. The introduction of new legislation in 2007, however, is potentially a first step towards a more 'wise use' of wetlands in Nigeria.
dc.description.sponsorshipWe are grateful to the coordinators of the Ramsar-workshop, Queenscliff, Australia, for organising this special issue and PAGES for workshop support. UP thanks Janelle Stevenson for financial support to attend the workshop.
dc.format.mimetypeapplication/pdf
dc.publisherCSIRO Publishing
dc.rights© CSIRO 2016
dc.sourceMarine and Freshwater Research
dc.titleAssessing wetland degradation and loss of ecosystem services in the Niger Delta, Nigeria
dc.typeJournal article
local.identifier.citationvolume67
dc.date.issued2016
local.publisher.urlhttp://www.publish.csiro.au/
local.type.statusPublished Version
local.contributor.affiliationProske, U., Department of Archaeology and Natural History, The Australian National University
local.bibliographicCitation.issue6
local.bibliographicCitation.startpage828
local.identifier.doi10.1071/MF15066
dcterms.accessRightsOpen Access
CollectionsANU Research Publications

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