Stock Photo - 28 May 2021, North Rhine-Westphalia, Arnsberg: A young oak stands in the Arnsberg forest. North Rhine-Westphalia's forests are once again being counted and closely monitored: At the start of the Federal Forest Inventory, the State Office for Forests and Timber provided information about the procedure. In NRW there are around 10,000 fixed sample points. The number, type and thickness of the trees as well as the distance to other specimens are recorded. Nationwide, these figures are compiled every ten years. Photo: Guido Kirchner/dpa. - Arnsberg/North Rhine-Westphalia/Germany

Stock Photo: 28 May 2021, North Rhine-Westphalia, Arnsberg: A young oak stands in the Arnsberg forest. North Rhine-Westphalia's forests are once again being counted and.

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