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tree census, Long-term permanent plot No.873503, Kunnesiri Picea abies Plantation No.03 (compartment 17), Nakagawa Experimental Forest, Hokkaido, tree census in 2007
tree census, Long-term permanent plot No.873503, Kunnesiri Picea abies Plantation No.03 (compartment 17), Nakagawa Experimental Forest, Hokkaido, tree census in 2017
tree census, Long-term permanent plot No.893504, Kunnesiri Picea abies Plantation No.04 (compartment 17・18), Nakagawa Experimental Forest, Hokkaido, tree census in 1989
tree census, Long-term permanent plot No.893504, Kunnesiri Picea abies Plantation No.04 (compartment 17・18), Nakagawa Experimental Forest, Hokkaido, tree census in 1994
tree census, Long-term permanent plot No.893504, Kunnesiri Picea abies Plantation No.04 (compartment 17・18), Nakagawa Experimental Forest, Hokkaido, tree census in 1999
tree census, Long-term permanent plot No.893504, Kunnesiri Picea abies Plantation No.04 (compartment 17・18), Nakagawa Experimental Forest, Hokkaido, tree census in 2004
Tree census, Long-term permanent plot No.17, "Group selection system managed forest of 8-sen Area 1" (ja; 8-sen Gunjo-takubatu-ti 1), Teshio Experimental Forest, Hokkaido, Japan, from 1994.
tree census, Long-term permanent plot No.893504, Kunnesiri Picea abies Plantation No.04 (compartment 17・18), Nakagawa Experimental Forest, Hokkaido, tree census in 2009
tree census, Long-term permanent plot No.893504, Kunnesiri Picea abies Plantation No.04 (compartment 17・18), Nakagawa Experimental Forest, Hokkaido, tree census in 2019
tree census, Long-term permanent plot No.803601, Fraxinus mandshurica plantation No.01 (compartment 220), Nakagawa Experimental Forest, Hokkaido, tree census in 1980