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四川栗子坪国家级自然保护区及周边区域两栖动物多样性

Amphibian Diversity in Liziping National Nature Reserve, Sichuan, and its surrounding area

  • 摘要: 为深入了解四川栗子坪国家级自然保护区两栖动物资源现状,加强物种保护,于2020年至2023年的每年6月份和9月份进行了实地考察,结合文献资料,共记录两栖动物17种,隶属2目8科14属。与2007年该保护区综合科考结果相比,新增两栖动物4种(圆疣猫眼蟾、疣刺齿蟾、无蹼齿蟾和华西雨蛙川西亚种),其中圆疣猫眼蟾为县域新记录。区内两栖动物以东洋界物种为主(13种),兼有少量广布种(4种),无古北界物种;我国特有种11种,被列入《中国生物多样性红色名录》受胁等级的有6种。G指数(2.55)和F指数(2.57)表明区内两栖动物多样性水平较高。红名录指数(0.835)表明区域两栖动物受胁水平总体不高。结合保护区两栖动物多样性、濒危和受胁情况,提出了针对性的保护建议。

     

    Abstract: In order to further understanding the resource distribution and species diversity and better protecting of amphibians in Liziping National Nature Reserve and its surrounding area, a field survey was conducted in June and September each year from 2020 to 2023. Based on the results of field surveys and the data reported in literatures, 17 species of amphibians were recorded, belonging to 14 genera, eight families and two orders. Compared with the report in 2007, four amphibian species added (Scutiger tuberculatus, Oreolalax rugosus, Oreolalax schmidti, and Hyla gongshanensis chuanxiensis), with Scutiger tuberculatus being the first record in the county. Moreover, 13 species belonged to the Oriental realm, and four were wide-spread species, 11 species were endemic to China, six species were threatened (Critically Endangered, Endangered and Vulnerable) in the China Biodiversity Red List. The species diversity index indicated a relatively high level of amphibian diversity within the area, and the Red List index suggested that the overall threat level was not high. In the end, some conservation measures were proposed according to the status of amphibians in this area.

     

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