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tree census, Long-term permanent plot No.033902, Kotohira River Left Bank R40 Forest Kotohira No.02 (compartment 109), Nakagawa Experimental Forest, Hokkaido, tree census in 2003
tree census, Long-term permanent plot No.033902, Kotohira River Left Bank R40 Forest Kotohira No.02 (compartment 109), Nakagawa Experimental Forest, Hokkaido, tree census in 2008
tree census, Long-term permanent plot No.033902, Kotohira River Left Bank R40 Forest Kotohira No.02 (compartment 109), Nakagawa Experimental Forest, Hokkaido, tree census in 2013
tree census, Long-term permanent plot No.033902, Kotohira River Left Bank R40 Forest Kotohira No.02 (compartment 109), Nakagawa Experimental Forest, Hokkaido, tree census in 2018
tree census, Long-term permanent plot No.033901, Kotohira River Right Bank R40 Forest Kotohira No.01 (compartment 100), Nakagawa Experimental Forest, Hokkaido, tree census in 2003
tree census, Long-term permanent plot No.033901, Kotohira River Right Bank R40 Forest Kotohira No.01 (compartment 100), Nakagawa Experimental Forest, Hokkaido, tree census in 2008
tree census, Long-term permanent plot No.033901, Kotohira River Right Bank R40 Forest Kotohira No.01 (compartment 100), Nakagawa Experimental Forest, Hokkaido, tree census in 2013
tree census, Long-term permanent plot No.033901, Kotohira River Right Bank R40 Forest Kotohira No.01 (compartment 100), Nakagawa Experimental Forest, Hokkaido, tree census in 2018
Tree census, Long-term permanent plot No.18, "Group selection system managed forest of 8-sen Area 2" (ja; 8-sen Gunjo-takubatu-ti 2), Teshio Experimental Forest, Hokkaido, Japan, from 1994.
tree census, Long-term permanent plot No.953801, Control Method Experiment Forest 20mPlot (compartment 222･223), Nakagawa Experimental Forest, Hokkaido, tree census in 1995