Ecological Effect of Ecological Engineering Projects on Low-Temperature Forest Cover in Great Khingan Mountain, China.

Int J Environ Res Public Health · 2021 · PMC8535650 · PMID 34682372

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a decreasing trendno p-value reported

The annual NDVI values maintained a decreasing trend under the trend line until 2010.

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showed a trendno p-value reported

As a common indicator, the Normalized Difference Vegetation Index (NDVI) values showed a trend of a decrease and then gradual increase after the start of the Natural Forest Protection Project (NFPP) II, which was related to the land use changes from the forest to the grassland during the implementation of the NFPP.

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