四川省康定市两栖动物多样性及其时空分布格局  

Amphibian diversity and its spatio-temporal distribution patterns in Kangding City,Sichuan Province

作　　者：刘高慧 崔建国[3] 王玥[1,2] 王洪良 香宝 肖能文[1] Gaohui Liu;Jianguo Cui;Yue Wang;Hongliang Wang;Bao Xiang;Nengwen Xiao(Chinese Research Academy of Environmental Sciences,Beijing 100012;Research Institute for Environment Innovation(Tianjin Binhai),Tianjin 300450;Chengdu Institute of Biology,Chinese Academy of Sciences,Chengdu 610041)

机构地区：[1]中国环境科学研究院,北京100012 [2]天津市滨海新区环境创新研究院,天津300450 [3]中国科学院成都生物研究所,成都610041

出　　处：《生物多样性》2022年第6期109-118,共10页Biodiversity Science

基　　金：生态环境部生物多样性调查评估项目(2019HJ2096001006);科技部“第二次青藏高原综合科学考察研究”项目(2019QZKK0608)。

摘　　要：为了全面掌握四川省康定市两栖动物多样性现状及其时空分布格局,本研究系统选取61个10 km×10 km调查网格,每个网格设置至少3条样线,分别于2016年9月、2017年5月和7月进行实地调查。所有调查网格中,有11个网格未调查到两栖动物,有1个网格调查到的两栖动物物种数最多达到了10种。调查共发现两栖类动物2,639只,隶属于2目5科7属14种,其中优势度最高的是中华蟾蜍(Bufo gargarizans),其次是倭蛙(Nanorana pleskei)和高原林蛙(Rana kukunoris),优势度最低的是九龙齿突蟾(Scutiger jiulongensis)。不同月份两栖动物物种数和个体数调查结果显示:5月份调查到的个体数最多,共发现966只;9月份调查到的物种数最多,有13种。不同月份间两栖动物的物种相对多度结果显示:5月和7月调查到的优势物种均为中华蟾蜍,9月份为倭蛙。大部分两栖动物分布在海拔3,000-4,000m之间;四川湍蛙(Amolops mantzorum)和中华蟾蜍的海拔分布跨度较大,分布范围在海拔1,300-3,600m之间;刺胸齿突蟾(Scutiger mammatus)和九龙齿突蟾等物种海拔分布范围较窄,刺胸齿突蟾分布在海拔3,200-3,300 m之间;九龙齿突蟾仅在海拔3,600 m左右。比较影响物种丰富度分布格局的5项环境因子发现,年均降水量和植被类型数与物种丰富度显著相关,其次是平均海拔,而年均温和植被覆盖指数相关性相对较弱。本研究摸清了康定市两栖动物的多样性及其分布格局,为康定市生物多样性保护提供基础数据。Aims:Amphibians are very sensitive to environmental changes.Understanding their spatio-temporal distribution patterns is of great significance for amphibian conservation and habitat monitoring.Despite many previous investigations of amphibian has conducted in Kangding City,Sichuan Province,gaps still remain in the amphibian diversity and its spatial distribution.This study aims to conduct a large-scale field survey to fully grasp the current situation and spatio-temporal distribution pattern of amphibian diversity,and to provide scientific basis for the conservation of amphibian biodiversity,ecological environment management in Kangding City.Methods:This investigation was carried out in September 2016,May and July 2017.A total of 61 survey grids were selected to survey from the 130 effective grids(10 km×10 km).The transect method was used in this investigation,and no less than 3 survey lines were set in each grid.The survey lines were near the water,and the distance between survey lines was greater than 500 m.During the survey,the coordinates of the start and end points of the transect,altitude,habitat type of the survey area,type,quantity,location of amphibians,and the impact of human activities were recorded.Results:There is one grid surveyed with the most amphibians with 10 species,followed by 2 grids with 7 species surveyed,and only 1 specie was found in 15 grids.Amphibians were not investigated in 11 grids.A total of 2,639 individuals of amphibians were recorded,belonging to 14 species,7 genera,5 families and 2 orders.Among them,Bufo gargarizans has the highest dominance,followed by the Nanorana pleskei,Rana kukunoris and Scutiger jiulongensis.Compared with the historical record,the number of species was the same as the original record.The Boulenophrys minor and the Amolops loloensis were newly discovered,however the Batrachuperus tibetanus and the Amolops lifanensis weren’t found which previous recorded in this survey.The abundance of individuals surveyed was the highest in May,with 966 individuals being

关 键 词：康定市 生物多样性 两栖动物 丰富度 相对多度 分布格局 

分 类 号：Q958[生物学—动物学]