Ecological fingerprinting of ecosystem succession: Estimating secondary tropical dry forest structure and diversity using imaging spectroscopy
作者： M. Kalacska , G.A. Sanchez-Azofeifa , B. Rivard , T. Caelli , H. Peter White
DOI: 10.1016/J.RSE.2006.11.007
关键词: Species diversity 、 Ecological succession 、 Biomass (ecology) 、 Environmental science 、 Satellite imagery 、 Spectral signature 、 Basal area 、 Remote sensing 、 Dry season 、 Tropical and subtropical dry broadleaf forests 、 Ecology
摘要: Abstract We evaluated the use of EO-1 Hyperion hyperspectral satellite imagery for mapping structure and floristic diversity in a Neotropical tropical dry forest as way assessing region's ecological fingerprint. Analysis provides means to spatially appraise dynamics forest. derived optimal models canopy height, live aboveground biomass, Shannon diversity, basal area Holdridge Complexity Index from season image. None adequately estimated stem or species density. Due dynamic nature leaf phenology we found that application remote sensing forests, spectro-temporal domain (changes spectral signatures over time–season) must be taken into account when choosing imagery. The analyses results presented here provide rapid spatial assessment characteristics microscale site level an entire region.
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