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tree census, Long-term permanent plot No.733003, Osasima Reserved Forest No.03 (compartment 167), Nakagawa Experimental Forest, Hokkaido, tree census in 1973
tree census, Long-term permanent plot No.733003, Osasima Reserved Forest No.03 (compartment 167), Nakagawa Experimental Forest, Hokkaido, tree census in 2012
tree census, Long-term permanent plot No.733003, Osasima Reserved Forest No.03 (compartment 167), Nakagawa Experimental Forest, Hokkaido, tree census in 2017
tree census, Long-term permanent plot No.733004, Osasima Reserved Forest No.04 (compartment 167), Nakagawa Experimental Forest, Hokkaido, tree census in 1973
tree census, Long-term permanent plot No.733004, Osasima Reserved Forest No.04 (compartment 167), Nakagawa Experimental Forest, Hokkaido, tree census in 1977
tree census, Long-term permanent plot No.733004, Osasima Reserved Forest No.04 (compartment 167), Nakagawa Experimental Forest, Hokkaido, tree census in 1982
tree census, Long-term permanent plot No.733004, Osasima Reserved Forest No.04 (compartment 167), Nakagawa Experimental Forest, Hokkaido, tree census in 1987
tree census, Long-term permanent plot No.733004, Osasima Reserved Forest No.04 (compartment 167), Nakagawa Experimental Forest, Hokkaido, tree census in 1997
tree census, Long-term permanent plot No.733004, Osasima Reserved Forest No.04 (compartment 167), Nakagawa Experimental Forest, Hokkaido, tree census in 2002
tree census, Long-term permanent plot No.733004, Osasima Reserved Forest No.04 (compartment 167), Nakagawa Experimental Forest, Hokkaido, tree census in 2007