And their increasing frequency is an important part of the degradation of the Amazon forest-and could be an indicator of large-scale environmental change.
并且它们不断增长的发生频率是亚马逊森林退化的一部分——这种变化可以作为一大片地区环境变化的指示器。
2
Indicator early warning is a key method of regional forest resources early warning, and a base of statistical early warning and model early warning.
指标预警法是区域森林资源预警的主要方式之一，也是统计预警法和模型预警法的基础。
3
Interception capability is a key indicator to denote the relationship of forest and hydrology.