Activity of NGO "ForestCom" is supported by the US Forest Service International Programs


Monitoring report of ancient plantations in the Ukrainian Carpathians for October 2022.

Monitoring report of ancient plantations in the Ukrainian Carpathians for October 2022.

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08.11.22

News

Лісові ініціативи і cуспільство


In October, experts of the ForestCom NGO continued the monitoring of ancient plantations in the Ukrainian Carpathians. Sentinel satellite images and Landsat-8 images were used for the analysis.

Image 1. Landsat-8 images selected for analysis in the Google Earth environment Engine.




A total of 12 Landsat-8 images were used to calculate the normalized vegetation index NDVI. For this, a program was written in Java Script. The computed image was exported to QGIS to calculate statistics for each plot.

Image 2. Calculated images of the normalized differentiated index.





Image 3. A fragment of the NDVI index image with combined areas of ancient plantations.



For each area of the ancient plantation, using the "Zonal statistics" module in QGIS, an index that is repeated most often (majority) is determined. Areas with low index values up to 0.3 were visually inspected. The reasons for such a low index value were patches of residual cloudiness, not loss of tree cover.


For monitoring, 1,099 plots with an area of 12,120.1 hectares have been determined, which is 70.1% of the total number of accepted primeval forests. As a result of the analysis, no changes in the territory of ancient plantations were found.



Monitoring report for September 2022

Monitoring report for June 2022

Monitoring report for May 2022

Monitoring report for February- March 2022

Monitoring report for January 2022

Monitoring report for November 2021

Monitoring report for October 2021

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