Journal
ISPRS JOURNAL OF PHOTOGRAMMETRY AND REMOTE SENSING
Volume 57, Issue 4, Pages 289-299Publisher
ELSEVIER
DOI: 10.1016/S0924-2716(02)00154-5
Keywords
multitemporal analysis; land cover mapping; deforestation; fragmentation; spatial dependence; landscape metrics; biodiversity conservation; Bolivia
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Landsat TM and ETM data were used to create forest/non-forest maps with which spatial patterns of forest fragmentation created by road building, agricultural colonisation and hydrocarbon exploration in Chapare (Bolivia) since the 1980s were analysed. Different spatial patterns of forest fragmentation were identified and analysed using landscape ecology metrics. These patterns are a function of their deforestation histories which, in turn, can be explained by a variety of Bolivian government policies. The relationships between landscape metrics and different simulated spatial resolutions of image data (from 30 to 1100 in) were also examined and most metrics were found to be highly dependent on pixel size. The implications of these findings for biodiversity conservation in humid tropical lowlands are considered. (C) 2002 Elsevier Science B.V All rights reserved.
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