Chao Jen-fang, a professor of leisure management at Minghsin University of Science and Technology, who lives in Taitung, is the main researcher in this group. He explains that currently there are some 30 known wintering valleys. Although they don't face any immediate threats, there are concerns about human encroachment in valleys that are located at elevations under 500 meters, that are close to settlements, or that are easily accessible.
家在台東的私立明新科技大學休閒系助理教授趙仁方是主要研究者，他表示，以目前全台已知的三十餘個「越冬谷」來看，雖然沒有被立即破壞的危險，但由於都分佈在海拔 500 公尺以下，距離村莊很近，交通又便利，是一大隱憂。