Spectral characterization of mangrove leaves in the Brazilian Amazonian Coast: Turiaçu Bay, Maranhão State

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Détails bibliographiques
Auteur principal:	Flávia Rebelo-Mochel
Format:	Artículo científico
Langue:	en
Publié:	Academia Brasileira de Ciências 2007
Sujets:	Multidisciplinaria (Ciencias Naturales y Exactas) mangroves leaf reflectance spectral characterization of leaves
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_version_	1876441330254610432
author	Flávia Rebelo-Mochel
author_facet	Flávia Rebelo-Mochel
contents	Spectral characterization of mangrove leaves in the Brazilian Amazonian Coast: Turiaçu Bay, Maranhão State Flávia Rebelo-Mochel Flávio Jorge Ponzoni Multidisciplinaria (Ciencias Naturales y Exactas) mangroves leaf reflectance spectral characterization of leaves Mangrove communities are tropical systems which have fewer species than tropical forests, especially in Latin Americaand display a single architecture, usually lacking the various strata commonly found in other forest ecosystems. Theidentification of mangrove communities by orbital data is not a difficult task but the most interesting challenge is toidentify themselves by the dominant species. The first step toward that floristic identification is the spectral characterizationof detached leaves. Leaves from four species of mangrove trees were spectrally characterized considering theDirectional Hemispherical Reflectance Factor (DHRF) determined through radiometric measurements using an integratingsphere LICOR 1800 attached to a spectroradiometer SPECTRON SE-590. In the visible bands (0.45-0.69 µm)the button-shaped mangrove Conocarpus erectus was brighter and the red mangrove Rhizophora mangle was darkerthan the other two species which shows very close DHRF values. Otherwise the black mangrove Avicennia germinansand the white mangrove Laguncularia racemosa can be distinguished from one another in the Near Infra Red (NIR)region (0.76-0.90 µm and in this region of the spectrum the DHRF of C. erectus and R. mangle become very close. 2007 artículo científico 0001-3765 https://www.redalyc.org/articulo.oa?id=32779409 en http://www.redalyc.org/revista.oa?id=327 Anais da Academia Brasileira de Ciências application/pdf Academia Brasileira de Ciências Anais da Academia Brasileira de Ciências (Brasil) Num.4 Vol.79
format	Artículo científico
id	redalyc_32779409
institution	Redalyc
language	en
publishDate	2007
publisher	Academia Brasileira de Ciências
spellingShingle	Spectral characterization of mangrove leaves in the Brazilian Amazonian Coast: Turiaçu Bay, Maranhão State Flávia Rebelo-Mochel Multidisciplinaria (Ciencias Naturales y Exactas) mangroves leaf reflectance spectral characterization of leaves Spectral characterization of mangrove leaves in the Brazilian Amazonian Coast: Turiaçu Bay, Maranhão State Flávia Rebelo-Mochel Flávio Jorge Ponzoni Multidisciplinaria (Ciencias Naturales y Exactas) mangroves leaf reflectance spectral characterization of leaves Mangrove communities are tropical systems which have fewer species than tropical forests, especially in Latin Americaand display a single architecture, usually lacking the various strata commonly found in other forest ecosystems. Theidentification of mangrove communities by orbital data is not a difficult task but the most interesting challenge is toidentify themselves by the dominant species. The first step toward that floristic identification is the spectral characterizationof detached leaves. Leaves from four species of mangrove trees were spectrally characterized considering theDirectional Hemispherical Reflectance Factor (DHRF) determined through radiometric measurements using an integratingsphere LICOR 1800 attached to a spectroradiometer SPECTRON SE-590. In the visible bands (0.45-0.69 µm)the button-shaped mangrove Conocarpus erectus was brighter and the red mangrove Rhizophora mangle was darkerthan the other two species which shows very close DHRF values. Otherwise the black mangrove Avicennia germinansand the white mangrove Laguncularia racemosa can be distinguished from one another in the Near Infra Red (NIR)region (0.76-0.90 µm and in this region of the spectrum the DHRF of C. erectus and R. mangle become very close. 2007 artículo científico 0001-3765 https://www.redalyc.org/articulo.oa?id=32779409 en http://www.redalyc.org/revista.oa?id=327 Anais da Academia Brasileira de Ciências application/pdf Academia Brasileira de Ciências Anais da Academia Brasileira de Ciências (Brasil) Num.4 Vol.79
title	Spectral characterization of mangrove leaves in the Brazilian Amazonian Coast: Turiaçu Bay, Maranhão State
topic	Multidisciplinaria (Ciencias Naturales y Exactas) mangroves leaf reflectance spectral characterization of leaves
url	https://www.redalyc.org/articulo.oa?id=32779409

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