Individuals of the Arachnida in substrates of A. nidus and P. coronans accounted for 54.46% and 29.50% of the total, respectively.

• 非昆虫无脊椎动物5纲，其中蛛形纲之个体数最多，在台湾山苏花及崖姜蕨基质分别占54.；46%25及29