粤北南岭无斑肥螈的种群结构及食性  

A Primary Study on Structure and Food Habit of Pachytriton labiatus in Nanling at North of Guangdong

作　　者：徐剑[1] 邹佩贞[1] 温彩燕[1] 李石洲 

机构地区：[1]韶关大学生物学院,广东韶关512005 [2]广东南岭国家级自然保护区,韶关512727

出　　处：《动物学杂志》2002年第1期9-11,共3页Chinese Journal of Zoology

基　　金：广东省"千 .百 .十"优秀人才培养基金

摘　　要：南岭山区的无斑肥螈 (Pachytritonlabiatus)主要分布于海拔 85 0m以上的山区溪流中 ,当雌性头体长 >5 5mm ,雄性头体长 >4 5mm时 ,卵巢和精巢分别开始明显发育 ;生殖时期为每年 9～ 1 0月份 ;数量呈明显下降趋势 ;主要食饵为环节、软体、节肢动物类。The paper reported population structure and food habit for Pachytriton labiatus found in Nanling Reserve located in the northern part of Guangdong Province. The animal occurrs in small streams in mountains with a elevation of 850 metres and above. The ovary and testis of the animal begin growth evidently when their body sizes grow as long as 55*!mm for female and 45*!mm for male. Breeding season occurrs in September and October, the animals lay their eggs in that period of time. The population size has are the breeding season reduced sharply. Species of annelids, molluscs and insects form the major food items of Pachytriton labiatus.

关 键 词：无斑肥螈 种群结构 食性 南岭地区 

分 类 号：Q959.52[生物学—动物学]