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Pages 1-4

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From page 1...
... Harvest of high-productivity tree species, particularly in Canada, was also discussed as a common disturbance that decreases forest cover and can contribute to browning trends. The potential implications of vegetation change and related greening and browning patterns extend from local to global scales and can affect physical and ecological processes, climate feedbacks, and communities.
From page 2...
... In general, greening refers to a systematic increase or positive trend in a vegetation measurement associated with growth observed over a period of time set by the researcher. Evaluation of greening using spectral vegetation indices from satellites commonly relies on the normalized difference vegetation index (NDVI)
From page 3...
... Expanded efforts to integrate new technologies and tools that have become available could also advance understanding. Finally, utilization of a broader range of metrics to evaluate greening and browning that extend beyond those commonly used, in particular the remote sensing normalized difference vegetation index (NDVI)


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