Leaf Structure of Mangrove Species to Understand the Spectral Responses (original) (raw)
2011, Journal of Hyperspectral Remote Sensing
The preservation of ecosystems such as mangroves plays a key role in mitigating the negative effects arising from climate change, especially for the capture of atmospheric carbon dioxide, the main agent of degradation of the ozone layer. The remote sensing application studies aim to develop that allows the preservation of ecosystems such as mangroves. This study aims to evaluate the anatomical structure of three species in a mangrove established at Pernambuco State as an aid in understanding the spectral responses shown by these species. Mature leaves of Rhizophora mangle, Laguncularia racemosa and Avicennia schaueriana were collected in the estuary of Maracaípe, in the district of Ipojuca-PE, and cross-sections of leaf lamina and epidermis dissociation were performed, following usual procedures in plant anatomy. Individuals of R. mangle showed the highest values of thickening of the cuticle and epidermis. A. schaueriana detached through the highest values for the thickness of palisade and L. racemosa showed the highest values for the thickening of the spongy parenchyma. The species showed different structural characteristics with different action related to the reflectance, absorptance, and transmittance, allowing the use of remote sensing techniques for proper assessment of vegetation conditions for the preservation of the environment.
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