http://costep.open-ed.hokudai.ac.jp/costep/contents/article/1552/
https://www.global.hokudai.ac.jp/blog/going-with-the-flow-the-forces-that-affect-species-movements-in-a-changing-climate/
http://costep.open-ed.hokudai.ac.jp/costep/contents/article/1552/
https://www.global.hokudai.ac.jp/blog/going-with-the-flow-the-forces-that-affect-species-movements-in-a-changing-climate/