CCD CBERS AND ASTER DATA IN DASOMETRIC CHARACTERIZATION OF Pinus radiata D. Don (NORTH-WESTERN SPAIN)

被引:2
|
作者
Sevillano-Marco, Eva [1 ]
Fernandez-Manso, Alfonso [1 ]
Quintano, Carmen [2 ]
Poulain, Marcela [3 ]
机构
[1] Univ Leon, Agr Engn & Sci Dept, Ponferrada 24400, Spain
[2] Univ Valladolid, Dept Elect Technol, Valladolid 47014, Spain
[3] Univ Munster, Inst Landscape Ecol, D-48149 Munster, Germany
关键词
Conifers; remote sensing; biomass; LEAF-AREA INDEX; ABOVEGROUND BIOMASS; INVENTORY DATA; SATELLITE DATA; FOREST; PLANTATIONS;
D O I
10.1590/S0104-77602013000100013
中图分类号
S7 [林业];
学科分类号
0829 ; 0907 ;
摘要
A Chinese-Brazilian Earth Resources Satellite (CBERS) and an Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) scenes coupled with ancillary georeferenced data and field survey were employed to examine the potential of the remote sensing data in stand basal area, volume and aboveground biomass assessment over large areas of Pinus radiata D. Don plantations in Northwestern Spain. Statistical analysis proved that the near infrared band and the shade fraction image showed significant correlation coefficients with all stand variables considered. Predictive models were accordingly selected and utilized to undertake the spatial distribution of stand variables in radiata stands delimited by the National Forestry Map. The study reinforces the potentiality of remote sensing techniques in a cost-effective assessment of forest systems.
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页码:103 / 110
页数:8
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