Testing the spectral variation hypothesis by using satellite multispectral images

作者: Duccio Rocchini , Alessandro Chiarucci , Steven A. Loiselle

DOI: 10.1016/J.ACTAO.2004.03.008

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摘要: In the present paper, a test of spectral variation hypothesis (SVH) was performed using multispectral high resolution satellite data. The SVH tested by comparing relationship between heterogeneity and species richness in plots different size (100– 10000 m 2 ) complex wetland ecosystem, “Montepulciano Lake”, Central Italy. nature reserve Montepulciano Lake is centered on 100 ha shallow lake surrounded three sides aPhragmitesaustralis andCarex sp. pl. marsh about 280 ha. monitoring program for vegetation started 2002 based analysis 1, 1 (10000 plots, organized such manner that four smaller are nested, following random design, within larger one. Data composition community structure were collected stored GIS-linked archive. A Quickbird image (3 spatial resolution) acquired ecosystem during same period radiometrically geometrically corrected. We an to examine use visible infrared wavebands predict at scales. found explain 20% variance scale 50% scale. It concluded data can contribute biodiversity assessment ecosystems.

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