舟山群岛物种多样性 Biodiversity of Zhoushan Archipelago's Journal

August 3, 2024

July 23, 2024

【Milestones of the Project】The First Observation of the Changtu Islands

On July 22, 2024, the Changtu Islands finally had its first observation.
https://www.inaturalist.org/observations/230931565

Posted on July 23, 2024 12:10 PM by islander_iskander islander_iskander | 2 comments | Leave a comment

舟山群岛三种壁虎的识别

舟山群岛分布的壁虎有铅山壁虎,多疣壁虎,蹼趾壁虎,以及无蹼壁虎。舟山群岛分布的壁虎中,除无蹼壁虎外种群数量丰富。无蹼壁虎是古北界动物,分布界应仅限于长江以北,但是舟山群岛沈家门码头以及宁波梅山岛码头附近也有少量分布。顾辉清认为这是因为壁虎是人类伴生种的原因,由北方而来的船只或者人口迁徙带入岛上。
舟山群岛三种原生壁虎物种分类检索表鉴定特征稳定存在:铅山壁虎体背具显著大于粒鳞的疣鳞,但前臂和小腿无疣鳞,尾基部肛疣每侧 1 个;蹼趾壁虎指、趾间具蹼,体背覆盖均一粒鳞,尾基部每侧肛疣 1个;多疣壁虎体背、前臂以及小腿具显著大于粒鳞的疣鳞,尾基部肛疣多数为每侧 3 个(部分多疣壁虎存在两侧肛疣数不等现象,最多一侧肛疣达6个)(Wo,2019)。

Posted on July 23, 2024 03:04 AM by islander_iskander islander_iskander | 0 comments | Leave a comment

Archives