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tree census, Long-term permanent plot No.773712, Selection Cutting Examination Forest No.12 (compartment 200), Nakagawa Experimental Forest, Hokkaido, tree census in 1982
tree census, Long-term permanent plot No.773712, Selection Cutting Examination Forest No.12 (compartment 200), Nakagawa Experimental Forest, Hokkaido, tree census in 1987
tree census, Long-term permanent plot No.773712, Selection Cutting Examination Forest No.12 (compartment 200), Nakagawa Experimental Forest, Hokkaido, tree census in 1992
tree census, Long-term permanent plot No.773712, Selection Cutting Examination Forest No.12 (compartment 200), Nakagawa Experimental Forest, Hokkaido, tree census in 2002
tree census, Long-term permanent plot No.773712, Selection Cutting Examination Forest No.12 (compartment 200), Nakagawa Experimental Forest, Hokkaido, tree census in 2012
tree census, Long-term permanent plot No.813713, Selection Cutting Examination Forest No.13 (compartment 218・219), Nakagawa Experimental Forest, Hokkaido, tree census in 1981
tree census, Long-term permanent plot No.813713, Selection Cutting Examination Forest No.13 (compartment 218・219), Nakagawa Experimental Forest, Hokkaido, tree census in 1986
tree census, Long-term permanent plot No.813713, Selection Cutting Examination Forest No.13 (compartment 218・219), Nakagawa Experimental Forest, Hokkaido, tree census in 1991
tree census, Long-term permanent plot No.813713, Selection Cutting Examination Forest No.13 (compartment 218・219), Nakagawa Experimental Forest, Hokkaido, tree census in 1996
tree census, Long-term permanent plot No.843714, Selection Cutting Examination Forest No.14 (compartment 141), Nakagawa Experimental Forest, Hokkaido, tree census in 1984