2014-2018年康县豆坝乡两栖动物观测及其种群动态变化

doi:10.19741/j.issn.1673-4831.2019.0791

生态与农村环境学报 ›› 2020, Vol. 36 ›› Issue (6): 714-719.doi: 10.19741/j.issn.1673-4831.2019.0791

• 生物多样性观测专题：两栖动物 • 上一篇下一篇

2014-2018年康县豆坝乡两栖动物观测及其种群动态变化

曹瑞东¹, 何玉晓², 于鹏¹, 陈卓¹, 肇昊驰¹, 黄棨通¹, 龚大洁¹, 徐海根²

1. 西北师范大学生命科学学院, 甘肃兰州 730070;
2. 生态环境部南京环境科学研究所, 江苏南京 210042

收稿日期:2019-10-09 出版日期:2020-06-25 发布日期:2020-06-22
通讯作者: 龚大洁, 徐海根 E-mail:gongdj@nwnu.edu.cn;xhg@nies.org
作者简介:曹瑞东(1995-),男,甘肃庆阳人,硕士生,研究方向为动物保护生物学。E-mail:493173840@qq.com
基金资助:
国家重点研发计划（2018YFC0507206）

Amphibian Monitoring and Population Dynamics in Douba, Kangxian From 2014 to 2018

CAO Rui-dong¹, HE Yu-xiao², YU Peng¹, CHEN Zhuo¹, ZHAO Hao-chi¹, HUANG Qi-tong¹, GONG da-jie¹, XU Hai-gen²

1. College of Life Sciences, Northwest Normal University, Lanzhou 730070, China;
2. Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, Nanjing 210042, China

Received:2019-10-09 Online:2020-06-25 Published:2020-06-22

摘要/Abstract

摘要： 近年来，两栖动物的生存现状引起了越来越多的学者关注。康县位于陇南山区东南部的中国南北气候分界线以及世界动物地理区划东洋界和古北界的分界线上，是中国自然和动物地理区划的关键区域。于2014-2018年，运用样线法和围栏陷阱法对该地区6个代表性样地（李家沟、豆坝、罗家底河、阴沟、罗家底山、元丰村）的两栖动物种群动态变化进行连续观测，共观测到两栖动物2目5科5属5种，包括康县隆肛蛙（Feirana kangxianensis）、中国林蛙（Rana chensinensis）、中华蟾蜍（Bufo gargarizans）、秦岭雨蛙（Hyla tsinlingensis）、西藏山溪鲵（Batrachuperus tibetanus）。其中西藏山溪鲵为易危物种（VU），仅于2015和2016年在李家沟记录到4条，因此未对其进行统计。分析表明，该地区康县隆肛蛙种群数量呈现上升趋势，而中国林蛙和秦岭雨蛙种群数量呈下降趋势，中华蟾蜍种群数量保持稳定。各个样地内所有物种的种群密度出现不同程度波动，但均在2017年降至最低点。除2014和2017年之外，所有样地内两栖动物密度均为4月最高，6、8月依次降低。阴沟样地两栖动物数量最多，且显著大于李家沟和罗家底山样地（P<0.05），其余样地之间均无显著差异（P>0.05）。造成两栖动物数量和种群密度下降的主要人为原因是采石活动和水体污染，因此应该加强栖息地的保护。

关键词: 康县, 两栖动物, 种群动态

Abstract: Currently, the survival situation of amphibians has already attracted more and more attention by ecologists and conservation biologists. Kangxian as experimental site in this study is located in the southeast of Longnan mountain area, which is just on the boundary of climate between north and south of China and the boundary between Indomalaya Ecozone and Palearctic Ecozone of the world animal geography division. This County is the key area of natural geography and animal geography division of China. From 2014 to 2018, the dynamic information of amphibian population in six representative sample sites in this County (Lijiagou, Douba, River of Luojiadi, Yingou, Mountain of Luojiadi and Yuanfeng) had been continuously monitored by using the method of line sampling and fence trap. Five species of amphibians, Feirana kangxianensis, Rana chensinensis, Bufo gargarizans, Hyla tsinlingensis, and Batrachuperus tibetanus were observed. Among them, only Batrachuperus tibetanus is a vulnerable species (VU), just four individuals were recorded in Lijiagou during 2015 to 2016, so no statistics were carried out for this species. The results show that the population of Feirana kangxianensis was increased, the population of Bufo chinensis remained stable, but the population of Rana chinensis and Hyla tsinlingensis were decreased. The population density of all species in each sample site was fluctuant in different trends, but bottom out at the lowest point in 2017. Except for 2014 and 2017, the density of amphibians in all sample plots was the highest in April, followed by a decrease in both June and August. The number of amphibians in the Yingou sampling transects was the largest, which was significantly largger than that in the Lijiagou and Mountian of Luojiadi sampling transects (P<0.05), and there was no significant difference between the other sampling transects (P>0.05). The main human interference for the decline of amphibian population and population density are quarrying activities and water pollution. Therefore, habitat protection should be strengthened.

Key words: Kangxian, amphibian, population dynamics

中图分类号:

X176

曹瑞东, 何玉晓, 于鹏, 陈卓, 肇昊驰, 黄棨通, 龚大洁, 徐海根. 2014-2018年康县豆坝乡两栖动物观测及其种群动态变化[J]. 生态与农村环境学报, 2020, 36(6): 714-719.

CAO Rui-dong, HE Yu-xiao, YU Peng, CHEN Zhuo, ZHAO Hao-chi, HUANG Qi-tong, GONG da-jie, XU Hai-gen. Amphibian Monitoring and Population Dynamics in Douba, Kangxian From 2014 to 2018[J]. Journal of Ecology and Rural Environment, 2020, 36(6): 714-719.

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2014-2018年康县豆坝乡两栖动物观测及其种群动态变化

Amphibian Monitoring and Population Dynamics in Douba, Kangxian From 2014 to 2018

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