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tree census, Long-term permanent plot No.833211, Management Examination Forest No.11 (compartment 182), Nakagawa Experimental Forest, Hokkaido, tree census in 2015
tree census, Long-term permanent plot No.843212, Management Examination Forest No.12 (compartment 181), Nakagawa Experimental Forest, Hokkaido, tree census in 1984
tree census, Long-term permanent plot No.843212, Management Examination Forest No.12 (compartment 181), Nakagawa Experimental Forest, Hokkaido, tree census in 1992
tree census,Long-term permanent plot No.873301, Tentonosawa Forest No.01 (compartment 188), Nakagawa Experimental Forest, Hokkaido, tree census in 1987
tree census,Long-term permanent plot No.873301, Tentonosawa Forest No.01 (compartment 188), Nakagawa Experimental Forest, Hokkaido, tree census in 1992
tree census,Long-term permanent plot No.873301, Tentonosawa Forest No.01 (compartment 188), Nakagawa Experimental Forest, Hokkaido, tree census in 1997
tree census,Long-term permanent plot No.873301, Tentonosawa Forest No.01 (compartment 188), Nakagawa Experimental Forest, Hokkaido, tree census in 2002
tree census,Long-term permanent plot No.873301, Tentonosawa Forest No.01 (compartment 188), Nakagawa Experimental Forest, Hokkaido, tree census in 2007
tree census,Long-term permanent plot No.873301, Tentonosawa Forest No.01 (compartment 188), Nakagawa Experimental Forest, Hokkaido, tree census in 2017
tree census, Long-term permanent plot No.833401, Utanai Plantation No.01 (compartment 1), Nakagawa Experimental Forest, Hokkaido, tree census in 1983