Forest and woodland cover and change in coastal Tanzania and Kenya, 1990 to 2000
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Date
2010
Journal Title
Journal ISSN
Volume Title
Publisher
Nature Kenya/East African Natural History Society
Abstract
Forest and woodland cover and change were calculated for the Zanzibar-Inhambane
biogeographical region of Tanzania and Kenya from ~1990 to ~2000. A cover and
change map was derived from high-resolution satellite imagery from Landsat and
supplemental data from aerial overflights, field surveys, and local knowledge. Analyses
showed that around 6820 km2 of coastal forest habitat remained in ~2000 (2260 km2 in
Kenya and 4560 km2 in Tanzania). In terms of change, a total of 424 km2 (6%) of forest
was cleared between ~1990 and ~2000; 53 km2 in Kenya and 371 km2 in Tanzania.
Rates of forest loss were 8 times higher in unprotected areas than in protected sites such
as Forest Reserves and National Parks. Key Biodiversity Areas had forest loss rates 2.5
times faster than protected areas while Alliance for Zero Extinction sites had the slowest
rates of forest loss for the region. These baseline forest cover and change estimates
along with future updates can contribute to national and sub-national carbon emission
baselines and assessments of species threat within the global Red List.
Description
Journal of East African Natural History, 2010; 99(1):19-45
Keywords
East Africa, KBAs, Landsat ETM+, Habitat monitoring, Protected areas