G2TT
来源类型Articles
规范类型论文
DOI10.1080/10106049.2016.1161074
ISSN1010-6049
Detection of subtle deforestation due to logging using satellite remote sensing in wet and dry savanna woodlands of Southern Africa
Pirard, R.; Lapeyre, R.
发表日期2017
出处Geocarto International 32(5): 514-530
出版年2017
语种英语
摘要

Tropical deforestation through logging activities poses a direct threat to biodiversity. However, the detection of logging has remained a challenge. Based on study sites in Zimbabwe and Zambia, we tested whether the Normalized Difference Vegetation Index (NDVI) and the Coefficient of Variation in NDVI (CVNDVI) derived from high and medium spatial resolution satellite data could be used to detect logging in dry and wet miombo woodlands. Separately, we integrated NDVI and CVNDVI in logistic regression to test whether each can be used to successfully predict logging in the study sites. We tested whether the spatial resolution of satellite data has an effect in detection of logging using NDVI and CVNDVI derived from Landsat 8 and Worldview-2. Based on the ROC curves, we concluded that remotely sensed data could provide an effective predictive tool for detecting logging. However, in wet miombo woodlands the predictive power of remotely sensed data is weak.

主题remote sensing
区域Southern Africa
URLhttps://www.cifor.org/library/6071/
来源智库Center for International Forestry Research (Indonesia)
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资源类型智库出版物
条目标识符http://119.78.100.153/handle/2XGU8XDN/93532
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Pirard, R.,Lapeyre, R.. Detection of subtle deforestation due to logging using satellite remote sensing in wet and dry savanna woodlands of Southern Africa. 2017.
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