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Google Earth Engine ——数据全解析专辑(BLM AIM TerrADat TerrestrialAIM Point v1)美国西部联邦土地上最广泛的、公开可用的地块测量点数据集!

Since 2011, the Bureau of Land Management (BLM) has collected field information to inform land health through its Assessment Inventory and Monitoring (AIM) strategy. To date, more than 6,000 terrestrial AIM field plots have been collected over BLM lands. The BLM AIM data archive is updated annually. Standardized core indicators are collected at each plot that are known to be both ecologically relevant and clearly tied to rangeland health. These indicators inform biotic integrity, soil and site stability, and hydrologic function. The terrestrial plot measurements include fractional bare ground cover, vegetation composition and height, plants of management concern, Non-native invasive species, plant canopy gaps, species richness, and soil aggregate stability. AIM represents one of the most extensive, publicly available plot measurement datasets across Western US federal lands, which can be integrated with remotely sensed imagery and other geospatial information for a range of analysis, classification, and validation purposes.

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