评估印度半干旱的巴纳斯河的深池和水传播动态:保护和可持续管理的地理空间方法
Ganesan Kantharajan1, Ajey Kumar Pathak2, Uttam Kumar Sarkar1
1ICAR - National Bureau of Fish Genetic Resources, Lucknow, 226002, Uttar Pradesh, India.
Environmental science and pollution research international
|September 7, 2024
概括
在拉贾斯坦邦的深水池.
科学领域:
- 水文和远程传感技术
- 生态和生物多样性保护 保护生态和生物多样性
- 地理空间分析的研究.
背景情况:
- 深水池是干旱河流生物多样性的关键"避难"息地,在干旱时期维持水生生物.
- 巴纳斯河 (Banas River) 是印度拉贾斯坦邦的一条非常年河,具有生态意义,面临水压.
- 了解深水池动态对于管理半干旱河流系统中的生物多样性至关重要.
研究的目的:
- 使用卫星数据绘制和描述水压巴纳斯河的深水池.
- 分析这些重要水生息地的空间分布和特征.
- 为巴纳斯河生态系统的保护和恢复规划提供信息.
主要方法:
- 利用了2019-2022年的Sentinel-2卫星图像用于绘制地图.
- 采用地理空间工具和现场数据进行分析和描述.
- 划定了连续的深水池息地,并评估了周围的土地利用.
主要成果:
- 绘制了2.18平方公里的永久泛滥平原水域和72.42平方公里的水库,季节性变化.
- 确定了558个深水池息地,主要是比萨尔普尔大的下游沿曲线.
- 在沿海地区观察到的中等土地利用强度,有显著的植被和耕地存在.
结论:
- 深水池是巴纳斯河的重要水生息地,支持生物多样性和生态系统服务.
- 人类造成的威胁影响这些息地,需要有针对性的保护和恢复工作.
- 深水池及其周围景观的空间量化对于有效的河流管理至关重要.
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