一、国家自然遗产预备名录标准(一)从美学或科学角度看,具有突出、普遍价值的由地质和生物结构或这类结构群组成的自然面貌;(二)从科学或保护角度看,具有突出、普遍价值的地质和自然地理结构以及明确划定的濒危动植物物种生境区;(三)从科学、保护或自然美学角度看,具有突出、普 I. STANDARDS OF THE NATIONAL NATURAL HERITAGE PREPARATORY RULES (I) Natural and beautifully constituted geological and biological structures or groups of such structures with prominent and universal values ​​from an aesthetic or scientific point of view; (2) From a scientific or protection standpoint, (Iii) From the point of view of science, protection or natural aesthetics, it has prominence and universal significance;