Li Teng-yung, a research assistant at PPI who has trekked into the mountains with hunters, notes the many useful functions hunters fulfill: For example, they trim old aiyu trees so that the next year the trees will again have aiyuzi. They keep the trails clear, and keep an eye out for whether anyone has infringed their area.
跟著獵人上山的科技大學研究助理李登庸說，在獵區裡，愛玉樹老了，獵人會稍微砍去枝葉，維持來年收成，會對步道加以維修，並隨時留意自己獵區是否被侵入過。