Funding for this research was provided by:
Japan Society for the Promotion of Science (18H01269)
Japan Society for the Promotion of Science (20H01965)
National Institute of Polar Research (No. 26–31)
National Institute of Polar Research (No. 31–25)
National Institute of Polar Research (KP-307)
Ministry of Education, Culture, Sports, Science and Technology (the MEXT program for promoting the enhancement of research universities)
Article History
Received: 17 May 2021
Accepted: 29 September 2021
First Online: 18 October 2021
Declarations
:
: The authors declare that we have no competing interests.