安徽农业科学2012，Vol.40Issue(17)：9424-9426,3.
优势水生植物光谱特征识别研究
Identification of the Spectral Characteristics of Dominant Aquatic Plants
摘要
Abstract
With the aquatic plants in Baiyangdian Nature Reserve of Hebei Province as the study objects, the canopy reflectance spectra of four communities, such as Phragmites australis, Typha angustifolia, Nelumbo nucifera and Potamogeton pectinatus, were determined with ADS geophysics spectrometer, a 400 -900 nm reflectance curve was generated, the Mann-Whitney V test method and ANOVA analysis were used to judge the distinguished bands and significant difference of different species. As indicated by the Mann-Whitney U test, all the four species had strong but different absorption peaks within the range of 760 -900 ran, which was one of the marks to distinguish them. In the visible region, Nelumbo nucifera was different from other species within the range of 520 - 585 nm, Phragmites australis showed different spectral characteristics from other plants within the range from 520 to 571 nm, Typha angustifolia was different from others at 450 nm. The variance analysis showed that Potamogeton pectinatus was greatly different from other species, thus it was easy to distinguish. The distinguishable spectral features laid foundation for interpreting the RS images and classifying the plants images, which greatly improved the precision of interpreting and classifying the aquatic products.关键词
水生植物/光谱特征/Mann-Whitney U检验/白洋淀Key words
Aquatic plants/ Spectral characteristics/ Mann-Whitney U test/ Baiyangdian分类
农业科技引用本文复制引用
王京萌,赵文吉,郭逍宇,李跃,龙娟..优势水生植物光谱特征识别研究[J].安徽农业科学,2012,40(17):9424-9426,3.基金项目
国家十二五科技支撑课题(2012BAH31B01). （2012BAH31B01）
