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Seasonal spectral characteristics and aboveground biomass of the tidal marsh plant
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MA Hardisky, RM Smart, V Klemas Spartina-Alterniflora Photogrammetric Engineering and Remote Sensing, 1983•researchgate.net Abstract Seasonal changes in canopy spectral radiance for the salt marsh plant, Spartina altemiflora, were investigated. Short and tall growth forms were monitored using a hand-held radiometer spectrally configured to match bands 3, 4, and 5 of the Landsat-D (now Landsat-4) Thematic Mapper. Spectral radiance indices (vegetation index and infrared index) were highly correlated with canopy biomass parameters like live leaf biomass, percent live biomass, and a live-dead biomass ratio. Regression models equating spectral radiance index with the different canopy biomass parameters suggested that spectral data explained from 97 to 88 percent of the variation observed in the biomass data for short form communities. Tall form communities were generally less accurately described by spectral radiance data. |
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