气候变化及其对土著农业系统的影响,利用板块数据分析在印度锡金喜马拉雅山脉
Aakash Upadhyay1, Narander Kumar Nigam2, Prabuddh Kumar Mishra3
1Department of Geography, Indraprastha College For Women, University of Delhi, New Delhi, 110054, India.
Environmental monitoring and assessment
|December 12, 2023
概括
气候变化对锡金喜马拉雅山脉的作物产量产生重大影响. 大米是最敏感的,产量下降与降雨量减少和气温上升有关,需要对粮食安全进行政策干预.
科学领域:
- 农业科学 农业科学
- 气候科学 气候科学
- 环境科学 环境科学
背景情况:
- 气候引起的极端事件极大地影响了作物生产率.
- 了解气候变化对农业的影响对于粮食安全至关重要.
研究的目的:
- 从数量上分析气候变化及其对1990-2018年大米,玉米和小麦生产的影响.
- 评估关键作物对Rangit河流域温度和降水波动的敏感性.
主要方法:
- 用面板数据回归分析来研究作物生产和气候指标.
- 收集了气象和农业数据,补充了农民调查和关键信息员采访.
主要成果:
- 这三种作物都显示出对降雨的依赖性;米对气候变化的敏感性最高.
- 粮食总产量与温度相反,与降雨量呈正相关.
- 米和小麦产量持续下降,在降雨不足的年份产量显著下降.
结论:
- 及时的政策干预对于减轻气候冲击和提高农业生产率至关重要.
- 提高作物生产率对于兰吉特河流域的生计安全和长期可持续性至关重要.
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