基于DNA宏条形码技术的大兴安岭北部欧亚水獭冬季食性分析

湛振杰, 张超, 陈敏豪, 王嘉栋, 富爱华, 范雨薇, 栾晓峰

DNA metabarcoding-based winter diet analysis of Eurasian otter (Lutra lutra) in the northern Greater Khingan Mountains

Zhenjie Zhan, Chao Zhang, Minhao Chen, Jiadong Wang, Aihua Fu, Yuwei Fan, Xiaofeng Luan

表3 大兴安岭北部欧亚水獭粪便(N = 12) COI区域食性分析结果

Table 3 Results of diet analysis in COI region (N = 12) of Eurasian otter fecal samples in the northern Greater Khingan Mountains. %RFO, Relative frequency of occurrence; %RRA, Relative read abundance.

物种类别 Species taxa 出现样品数 Occurrence 相对出现频率 %RFO 相对序列丰度 %RRA 生物类群 Biome 蜻蜓目 Odonata 8 20.51 33.86 昆虫 Insect 毛翅目 Trichoptera 9 23.08 25.92 昆虫 Insect 襀翅目 Plecoptera 7 17.95 18.74 昆虫 Insect 蜉蝣目 Ephemeroptera 8 20.51 15.87 昆虫 Insect 双翅目 Diptera 7 17.95 5.60 昆虫 Insect