The Forestry Act Article 10

Should any of the following criteria apply to a forest, the government agency shall restrict logging:1. The land is so steep or the soil so shallow that re-forestation is difficult;2. After logging, the soil is likely to be eroded or affect the public interest;3. The land is located in a water reservoir collection area, at the headwaters of a river, on an eroded riverbank, or in a windward coastal area, or in a sand dune area;4. The forest is in other areas where logging restrictions are essential.
中文原文 森林法第10條
森林有左列情形之一者,應由主管機關限制採伐:
一、林地陡峻或土層淺薄,復舊造林困難者。
二、伐木後土壤易被沖蝕或影響公益者。
三、位於水庫集水區、溪流水源地帶、河岸沖蝕地帶、海岸衝風地帶或沙丘區域者。
四、其他必要限制採伐地區。

English translation for reference only; the Chinese text prevails. Not legal advice.