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tree census, Long-term permanent plot No.043903, Tonbetsubou River Right Bank R40 Forest Osashima No.01 (compartment 149), Nakagawa Experimental Forest, Hokkaido, tree census in 2009
tree census, Long-term permanent plot No.043903, Tonbetsubou River Right Bank R40 Forest Osashima No.01 (compartment 149), Nakagawa Experimental Forest, Hokkaido, tree census in 2014
tree census, Long-term permanent plot No.043903, Tonbetsubou River Right Bank R40 Forest Osashima No.01 (compartment 149), Nakagawa Experimental Forest, Hokkaido, tree census in 2019
Relationship between fine root dynamics and stand aboveground factors or soil environmental factors
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