Fragmentation Patterns in Land Reform Settlements in the Brazilian Amazon

被引:6
|
作者
Wang, Chuyuan [1 ]
Caldas, Marcellus M. [1 ]
机构
[1] Kansas State Univ, Dept Geog, Manhattan, KS 66502 USA
基金
美国国家科学基金会;
关键词
forest cover change; forest fragmentation; human and environmental interactions; land use change; land use policy; FOREST FRAGMENTATION; NEUTRAL LANDSCAPE; COVER CHANGE; DEFORESTATION; MODELS; RONDONIA; CONSERVATION; DYNAMICS; SCALE; BASIN;
D O I
10.1080/08941920.2014.905889
中图分类号
F0 [经济学]; F1 [世界各国经济概况、经济史、经济地理]; C [社会科学总论];
学科分类号
0201 ; 020105 ; 03 ; 0303 ;
摘要
Direct action land reform (DALR) and settlement formation are new drivers of deforestation in the Brazilian Amazon. However, until now no research has paid attention to fragmentation patterns and the social processes that lead to them. This article analyzes two types of settlements, spontaneous and social movement organization-led settlements. The study uses neutral landscape models (NLMs) to compare simulated landscapes with the real fragmentation patterns found in DALR settlements. In sequence, the article uses landscape metrics to analyze the temporal and spatial dynamics of fragmentation patterns in these two types of DALR settlements. Results showed that there are significant differences between real landscape patterns and simulated landscapes using NLMs. In other words, human interferences did play a significant role in shaping deforestation patches in DALR settlements. Our metric results revealed a process in which deforestation patch mean area, shape complexity, and physical connectedness increase over time.
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页码:742 / 758
页数:17
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