WSL Research Plot 01-051 at Gutschwald, Höhronen. A stand of European silver fir, Norway spruce and beech managed using ‘plentering’; data has been collected since 1983. (Photo by Gary Kerr)

Photo showing WSL Research Plot 01-051 at Gutschwald, Höhronen. A stand of European silver fir, Norway spruce and beech managed using ‘plentering’; data has been collected since 1983. (Photo by Gary Kerr)