基于时序LULC分析和种群-森林相关模型的森林砍伐驱动因素量化研究——以埃塞俄比亚Dara Woreda为例

Q2 Environmental Science
Melion Kasahun
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引用次数: 0

摘要

本研究引入了一种新的方法来分析埃塞俄比亚Dara Woreda的森林砍伐,该方法利用多时相土地利用和土地覆盖(LULC)数据对人口增长和森林覆盖下降之间的相关性进行定量建模。利用地理信息系统(GIS)和遥感技术,该研究严格收集和分析了来自卫星图像、人口普查记录和官方报告的统计和空间数据。本研究的一个关键优势在于,对1990年、2005年和2020年的LULC分类进行了精确评估,显示出与参考数据的高度一致性,从而为理解长期变化提供了坚实的基础。研究结果显示,森林覆盖面积从1990年的16.90平方公里(6.76%)显著下降到2020年的6.25平方公里(2.50%),凸显了森林砍伐的显著趋势。相反,农业用地面积从113.37 km²(45.35%)显著扩大到141.92 km²(56.77%),自然生态系统转换程度突出。值得注意的是,该研究表明,1990年至2020年期间,Dara wooreda人口增长率为87.2%,同期森林覆盖退化率为63.0%,两者之间存在很强的时间相关性。森林砍伐速度最快(48.7%)发生在1990年至2005年期间,这表明在此期间受到了特定社会经济驱动因素的影响。虽然2005年至2020年期间森林损失速度有所放缓,但持续下降表明持续存在不可持续的土地利用做法。这些具有时代性和数量上强有力的研究结果为Dara Woreda的政策制定者和利益相关者提供了关键和新颖的见解,为制定和实施有针对性的可持续土地管理战略提供了强有力的证据基础,以有效打击持续的森林砍伐。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Quantifying deforestation drivers through multi-temporal LULC analysis and population-forest correlation modeling: A case study of Dara Woreda, Ethiopia
This study introduces a novel approach to analyzing deforestation in Dara Woreda, Ethiopia, by quantitatively modeling the correlation between population growth and forest cover decline using multi-temporal Land Use and Land Cover (LULC) data. Employing Geographic Information Systems (GIS) and Remote Sensing, the research rigorously collected and analyzed statistical and spatial data from satellite imagery, census records, and official reports. A key strength of this study lies in the precisely assessed accuracy of LULC classifications for 1990, 2005, and 2020, demonstrating a high level of agreement with reference data, thereby providing a robust foundation for understanding long-term changes. The findings reveal a significant and quantifiable decline in forest cover from 16.90 km² (6.76 %) in 1990 to 6.25 km² (2.50 %) by 2020, underscoring a substantial deforestation trend. Conversely, agricultural land significantly expanded from 113.37 km² (45.35 %) to 141.92 km² (56.77 %), highlighting the extent of natural ecosystem conversion. Notably, the study demonstrates a strong temporal correlation between the 87.2 % population growth in Dara Woreda between 1990 and 2020 and the corresponding 63.0 % degradation in forest cover during the same period. The most rapid deforestation (48.7 %) occurred between 1990 and 2005, suggesting the influence of specific socio-economic drivers during this time. While the rate of forest loss slowed between 2005 and 2020, the continued decline indicates persistent unsustainable land use practices. These temporally specific and quantitatively robust findings offer critical and novel insights for policymakers and stakeholders in Dara Woreda, providing a strong evidence base for the development and implementation of targeted sustainable land management strategies to effectively combat ongoing deforestation.
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来源期刊
Environmental Challenges
Environmental Challenges Environmental Science-Environmental Engineering
CiteScore
8.00
自引率
0.00%
发文量
249
审稿时长
8 weeks
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