Shin Nagai, Tomoko Akitsu, Taku M. Saitoh, Robert C. Busey, Karibu Fukuzawa, Yoshiaki Honda, Tomoaki Ichie, Reiko Ide, Hiroki Ikawa, Akira Iwasaki, et al. 8 million phenological and sky images from 29 ecosystems from the Arctic to the tropics: the Phenological Eyes Network. Ecological Research. 2018. DOI 10.1007/s11284-018-1633-x. 6. 1-2
A comparison on internal structures of a leaf in Dryas octopetala between populations growing in the Arctic and mid-latitude alpine II
(The 9th Symposium on Polar Science 2018)