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Characterizing tropical forest regeneration in Cameroon using NOAA AVHRR data

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To facilitate estimation of the carbon sink associated with tropical forests in Cameroon, regenerating and mature forests were mapped using an unsupervised classification of AVHRR channels 1, 2 and 3. Stages of regeneration were defined using nonlinear relationships between AVHRR channel 3 radiance and basal area, estimated using data collected from 183 plots (1 ha in size) in an area south-east of the capital, Yaounde. The overall extent and patterns of regenerating forest were comparable to those generated in previous studies. Older stages of regeneration could not, however, be discriminated adequately from mature forest, suggesting that areas of tropical forest disturbance may be underestimated when mapped using AVHRR data. closed tropical forests were regenerating and that their rate of expansion million ha y 1. These regenerating forests accumulate biomass more rapidly

Document Type: Research Article


Affiliations: 1: School of Geographical Sciences, University of Bristol, University Road, Bristol BS8 1SS, England 2: Department of Geography, the University of Maryland, Maryland, College Park, Maryland 20742, USA 3: Department of Geography, University of Southampton, Highfield, Southampton SO17 1BJ, England, UK 4: Direction des Forêts, Ministère d'Environnement et des Forêts, Yaoundé, Cameroon

Publication date: October 15, 2000

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