埃塞俄比亚西部土地利用和土地覆盖变化的社会经济驱动因素

Q2 Agricultural and Biological Sciences
Jembere Bekere, Feyera Senbeta, Abren Gelaw
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引用次数: 0

摘要

近年来,各种社会经济和环境因素导致了全球土地利用价值的变化。本研究考察了加速埃塞俄比亚西部土地利用成本上升的社会经济驱动因素。数据来自地面卫星图像,主要来源和次要来源。主要数据来源包括住户调查、实地观察、小组讨论、访谈、关键线人和对遥感数据的解释。二手资料主要来源于相关文献,包括已发表和未发表的资料。利用arc GIS 10.3,采用监督分类技术和最大似然分类器对Landsat图像进行分类,创建研究区的LULC地图。利用精度评分和kappa系数对分类结果的准确性进行了验证,发现农用地、聚落、裸地、林地和水体是该区土地利用价值的主要类别。1990 - 2020年研究区的森林覆盖率从1990年的12.1%下降到2020年的2.6%。数据还使用描述性模型、Pearson相关和二元逻辑回归进行分析。自变量(年龄和性别)与LULC动态的驱动因素呈Pearson正相关;随着自变量的增加,LULC动态的驱动因素也随之增加,而教育程度与土地持有规模呈负相关。这表明,随着受教育人口数量的增加和土地持有规模的增加,人为力量的驱动因素减少,反之亦然。然后,二元逻辑回归模型检验了因变量和主要社会经济变量(自变量)之间的关系。采用Logistic回归分析自变量和驱动因素(自然或人为力)的变化情况,模型具有统计学意义(x2 = 23.971, df = 5, P <0.001)。该模型解释了13.9% (Nagelkerke R2)的LULC动态驱动因素方差,并正确分类了66.1%的案例。研究发现,年龄、性别和教育程度在很大程度上决定了LULC动态的驱动因素,并且最有可能决定人为因素。因此,相关利益相关者应采取综合措施,通过景观恢复减少土地利用价值动态的驱动因素。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Socioeconomic Drivers of Land Use and Land Cover Change in Western Ethiopia
A variety of socioeconomic and environmental drivers have contributed to changes in LULC around the world in recent years. This study examines the socioeconomic drivers that accelerated LULC in western Ethiopia. The data were generated from terrestrial satellite images primary and secondary sources. Primary data sources include household surveys, field observations, group discussions, interviews, key informants, and interpreting remote sensing data. Secondary data were reviewed mainly from relevant literature both published and unpublished materials. Landsat images were classified using the supervised classification technique and maximum likelihood classifier using arc GIS 10.3 to create LULC maps of the study area. Accuracy score and kappa coefficient were used to confirm the accuracy of the classified LULC, and agricultural land, settlement, bare land, forest land, and water body were the main LULC classes in the district. Forest cover in three decades (1990–2020) in the study area decreased from 12.1% in 1990 to 2.6% in 2020. The data were also analyzed using a descriptive model, Pearson correlation, and binary logistic regression. The independent variables (age and gender) show a Pearson’s positive correlation with the drivers of LULC dynamics; that is, as these independent variables increase, the drivers of LULC dynamics also increase, whereas educational status and land holding size show a negative correlation. This shows that the drivers of the anthropogenic forces of LULC dynamics decreased as the number of educated populations and the size of land holdings increased, and vice versa. Then, the binary logistic regression model examined the relationship between the dependent and the major socioeconomic (independent) variables. Logistic regression was performed to determine how independent variables and the drivers of LULC (natural forces or anthropogenic forces) change and the model was statistically significant (x2 = 23.971, df = 5, P < 0.001). The model explained 13.9% (Nagelkerke R2) of the variance in the drivers of LULC dynamics and correctly classified 66.1% of the cases. The study found that age, gender, and educational status largely determine the drivers of LULC dynamics and have the greatest chance of determining the anthropogenic forces. Therefore, relevant stakeholders should take integrated measures to reduce the drivers of LULC dynamics through landscape restoration.
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来源期刊
International Journal of Forestry Research
International Journal of Forestry Research Agricultural and Biological Sciences-Forestry
CiteScore
2.70
自引率
0.00%
发文量
32
审稿时长
18 weeks
期刊介绍: International Journal of Forestry Research is a peer-reviewed, Open Access journal that publishes original research and review articles focusing on the management and conservation of trees or forests. The journal will consider articles looking at areas such as tree biodiversity, sustainability, and habitat protection, as well as social and economic aspects of forestry. Other topics covered include landscape protection, productive capacity, and forest health.
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