基于地理信息学技术的巴哈里亚绿洲农业可持续性评价

IF 1.9 Q3 SOIL SCIENCE EGYPTIAN JOURNAL OF SOIL SCIENCE Pub Date : 2022-06-27 DOI:10.21608/ejss.2022.143674.1507
M. Shokr, M. Jalhoum, Abdelaziz A. Belal, M. Abdou, Hend Abdelhameed
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引用次数: 1

摘要

在全球范围内,由于人口的快速增长,粮食安全被认为是人类面临的最大问题之一,因此需要对可持续的自然资源进行评估。良好的土壤评估和管理有助于实现粮食安全。埃及农业部门面临着一些与可持续性有关的障碍。这些问题包括土地和水资源短缺、环境退化和人口增长率高。本文对埃及西部沙漠巴哈里亚绿洲的农业可持续发展进行了评价。通过对空间分辨率为10米的哨兵2号(sentinel -2)多光谱图像进行分析,生成了地理和土壤地图,该图像是在数字高程模型(DEM)上下降的,这是一个航天雷达地形任务(SRTM) 1弧秒v.30民主党。在研究区内挖掘了50个土壤剖面来代表地貌单元。利用可持续土地管理评估框架(FESLM)在研究景观中计算了土壤生产力、环境安全、环境保护、经济可行性和拟议管理方案的社会可接受性。结果表明:调查区面积534.34 km2,属于略低于可持续性要求的区域,其余区域均不符合可持续性要求。被调查地区的可持续性挑战与生产力、经济可行性和社会可接受性有关。本研究提出了在研究区实现可持续发展的一些做法,如对农民进行现代水井管理和土壤保持方式的培训,提高卫生和学校护理水平,促进农民贷款和增加市场数量。本研究的产出可以为决策者提供有价值的数据,帮助他们确保在研究区域内实现可持续管理。
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Assessment of Agricultural Sustainability of Bahariya Oasis using Geo-informatics techniques
Globally, Food security is considered one of the most issues for humanity due to rapid population growth thus sustainable natural resources assessment is required. Well assessment and management of soil can aid in achieving food security. Agriculture sector in Egypt is facing some obstacles related to sustainability. These include scarce land and water resources, degradation of environment and high rate of population growth. This study focuses on evaluating of agricultural sustainability development in Bahariya oasis, western desert of Egypt. Maps of physiographic and soils were produced using analysis of multispectral Sentinal-2 image with spatial resolution 10 m dropped over digital elevation model (DEM), A shuttle radar topography mission (SRTM) 1-arc-second v.30 DEM. Fifty soil profiles were dug to represent geomorphological units within study area. Soil productivity, environmental security, environmental protection, economic viability, and social acceptability of proposed management options were calculated within the study's landscapes using the Framework for Evaluating Sustainable Land Management (FESLM). The results revealed that the investigated area classified into lands that are marginally below the requirement of sustainability with an area of 534.34 km 2 and the rest of study area are not meet sustainability requirements. The sustainability challenges in the investigated area are associated with productivity, economic viability and social acceptability. This research suggests some practices to achieve sustainable development in the study area for instance practicing farmers on modern ways of well management and soil conservation, increase level of health and school care, facilitation of loans for farmers and increasing markets number. outputs from this study can provide decision makers with valuable data that help them to ensure achieving of sustainable management within study area.
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