Merely in terms of its rarity, the false cypress forest of Chilan meets the criteria for a World Heritage Site: "Containing the most important and significant natural habitats for in-situ conservation of biological diversity, including.
僅以稀少程度而言，棲蘭檜木林就符合了世界遺產的基準：「瀕臨滅絕危機物種的保存、在野地狀態下生物多樣性的保全，與最重要的自然生育地或棲地的保護。」