A MULTIDISCIPLINARY APPROACH FOR ASSESSING FOREST DEGRADATION IN THE BRAZILIAN AMAZON

被引：0
|
作者：
Grecchi, Rosana Cristina [1 ]
Beuchle, Rene [1 ]
Shimabukuro, Yosio Edemir [1 ,2 ]
Achard, Frederic [1 ]
机构：
[1] Commiss European Communities, Joint Res Ctr, IES, I-21020 Ispra, Italy
[2] Brazilian Natl Inst Space Res INPE, Sao Paulo, Brazil
来源：
2015 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS) | 2015年
关键词：
forest degradation; Brazilian Amazon; selective logging; fragmentation; indicators; DEFORESTATION;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper presents a multidisciplinary approach used to assess forest degradation in the Brazilian Amazon based on remote sensing and spatial pattern analysis techniques. The selected study area is located in the Mato Grosso State, which is one of the states of the Brazilian legal Amazon with the highest deforestation rates and with a high concentration of selective logging activities and forest fires. We used an object-based image analysis for mapping degraded forest areas and compared their spatial distribution with that of fragmentation and edge indicators and the distance to roads. Our results show that the majority of these disturbed forest areas occur within a distance of less than 5 km from the main roads, are located between 100m and 5 km from the forest edge, and show higher entropy (used as a measure of fragmentation). However, circa 30% of the degradation occurred in areas considered as "core areas".
引用
收藏
页码：1941 / 1944
页数：4
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