基于多个标准的地理信息系统 (GIS) 的土地适合种植大米的分析:伊朗吉兰省的一个案例研究
Pooya Aalaee Bazkiaee1, Behnam Kamkar2, Ebrahim Amiri3
1Rice Research Institute of Iran, Agricultural Research, Education and Extension Organization (AREEO), Rasht, Iran.
Environmental monitoring and assessment
|July 2, 2024
概括
这项研究使用AHP覆盖图绘制了伊朗大米种植适宜性的地图. 结果显示,91%的土地非常适用,土壤和地形是农业生产的关键因素.
科学领域:
- 农业科学 农业科学
- 环境管理环境管理
- 地理信息系统 (GIS) 是指地理信息系统.
背景情况:
- 全球粮食安全和可持续资源管理需要加强农业生产.
- 土地适用性分析对于优化作物种植和确定合适区域至关重要.
- 伊朗吉兰省是一个重要的大米生产地区,需要详细的适应性评估.
研究的目的:
- 在伊朗吉兰省划分和绘制土地适合种植大米的地图.
- 确定影响大米生产适宜性的关键环境因素.
- 为可持续农业规划和粮食安全倡议提供空间数据.
主要方法:
- 采用分析层次过程 (AHP) 权重重叠加方法进行适应性分析.
- 将16个气候,地形和土壤变量集成到一个GIS框架中.
- 根据特定的米种植要求重新分类的个人因素图.
主要成果:
- 确定了三个适合性类别:"非常适合" (91%),"适合" (6%) 和"适度适合" (3%).
- 土壤有机物是非常有影响力的因素 (重量值为0.745),以及地形.
- 观察到广泛的有机物质缺乏 (44%),不平衡,毒性 (10%) 和微元素缺乏 (Fe, Zn).
结论:
- 地形和土壤属性比气候对研究区域的水适合性更为关键.
- 很大一部分土地需要修改土壤,特别是有机物和营养管理.
- 调查结果支持为可持续的米生产和加强该地区的粮食安全而进行明智的土地利用规划.
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