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tree census, Long-term permanent plot No.803604, Fraxinus mandshurica plantation No.04 (compartment 219), Nakagawa Experimental Forest, Hokkaido, tree census in 2020
tree census, Long-term permanent plot No.813605, Fraxinus mandshurica plantation No.05 (compartment 216・218), Nakagawa Experimental Forest, Hokkaido, tree census in 2021
tree census, Long-term permanent plot No.733005, Osasima Reserved Forest No.05 (compartment 168), Nakagawa Experimental Forest, Hokkaido, tree census in 2003
tree census, Long-team permanent plot No.852001, Abies sachalinensis plantaion in Mumei-zawa Area (compartment 318), Teshio Experimental Forest, Hokkaido, tree census in 1990
tree census, Long-team permanent plot No.852001, Abies sachalinensis plantaion in Mumei-zawa Area (compartment 318), Teshio Experimental Forest, Hokkaido, tree census in 2000
tree census, Long-team permanent plot No.852001, Abies sachalinensis plantaion in Mumei-zawa Area (compartment 318), Teshio Experimental Forest, Hokkaido, tree census in 2007
tree census, Long-team permanent plot No.852001, Abies sachalinensis plantaion in Mumei-zawa Area (compartment 318), Teshio Experimental Forest, Hokkaido, tree census in 2017
tree census, Long-team permanent plot No.852002, Picea glehnii plantaion in Mumei-zawa Area (compartment 318), Teshio Experimental Forest, Hokkaido, tree census in 1990
tree census, Long-team permanent plot No.852002, Picea glehnii plantaion in Mumei-zawa Area (compartment 318), Teshio Experimental Forest, Hokkaido, tree census in 2000
tree census, Long-team permanent plot No.852002, Picea glehnii plantaion in Mumei-zawa Area (compartment 318), Teshio Experimental Forest, Hokkaido, tree census in 2007