基于无人机监测的指标进行草原健康评估:家庭规模的案例研究
Yifei Luo1, Wenxiang Ji1, Wenjun Wu1
1Institute of Fragile Eco-environment, School of Geographic Science, Nantong University, Nantong, China.
Frontiers in plant science
|October 6, 2023
概括
无人驾驶飞行器 (UAV) 为大规模草原健康评估 (GHA) 提供了标准化的方法. 这项研究验证了无人机的有效和准确监测,支持可持续的草原管理.
科学领域:
- 生态生态学 生态生态学
- 环境科学 环境科学
- 遥感 遥感 遥感 遥感
背景情况:
- 草原健康评估 (GHA) 对生态系统管理至关重要,但缺乏标准化,大规模的定量指标和监测方法.
- 由于可扩展性问题,现有的GHA方法在理论研究和实际应用方面存在局限性.
研究的目的:
- 提出并测试一种新的GHA系统,利用由无人机 (UAV) 监控的指标.
- 评估基于无人机的GHA在青海-西藏高原的可行性,验证其效率和准确性.
主要方法:
- 开发GHA系统,将以前的条件,活力,组织和弹性 (CVOR) 等概念与无人机衍生指标相结合.
- 在青海-西藏高原的典型家庭牧场收集现场和无人机数据.
- 统计分析以确定基于现场和无人机的CVOR估计之间的关系,并评估放牧强度的影响.
主要成果:
- 关键GHA指标可以直接测量或通过无人机监控的对应物来表示.
- 在现场估计的CVOR和无人机估计的CVOR之间发现了显著的线性关系.
- 随着放牧强度的增加,CVOR显示出非线性下降,在两个估计方法之间观察到类似的趋势.
结论:
- 无人机为大规模草原健康评估提供了一个高效准确的平台.
- 拟议的基于无人机的GHA系统对于监测草原状况和支持可持续管理实践是可行的和有效的.
- 这项技术可以帮助保护和可持续利用全球草原生态系统.
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