Natural dispersal to sub-Antarctic Marion Island of two arthropod species

被引：10
|
作者：
Lee, Jennifer E. [1 ]
Terauds, Aleks [1 ,2 ]
Chown, Steven L. [3 ]
机构：
[1] Univ Stellenbosch, Dept Bot & Zool, Ctr Invas Biol, ZA-7602 Matieland, South Africa
[2] Australian Antarctic Div, Dept Environm Water Heritage & Arts, Kingston, Tas 7050, Australia
[3] Monash Univ, Sch Biol Sci, Melbourne, Vic 3800, Australia
来源：
POLAR BIOLOGY | 2014年 / 37卷 / 06期
基金：
新加坡国家研究基金会;
关键词：
Biological invasions; Dispersal; DNA barcoding; Frontal systems; Natural colonization; Prince Edward Islands; PROPAGULE PRESSURE; 1ST RECORD; ESTABLISHMENT; CONSERVATION; INVERTEBRATES; BIOGEOGRAPHY; TERRESTRIAL; DIVERSITY; PACIFIC; SPIDERS;
D O I：
10.1007/s00300-014-1479-9
中图分类号：
X176 [生物多样性保护];
学科分类号：
090705 ;
摘要：
Distinguishing between species that are recent natural colonists, recent anthropogenic introductions, or previously unknown, but long-term resident native species, is a challenge for those who manage the conservation of the Antarctic region. Here, we report the discovery of two new arthropod species on sub-Antarctic Marion Island-Nabis capsiformis Germar (Heteroptera: Nabidae) and Tetragnatha sp. (Araneomorphae: Tetragnathidae). On the basis of their habitat use, dispersal abilities, historic biodiversity survey records, and limited information on genetic diversity, we conclude that the colonization events were natural.
引用
收藏
页码：781 / 787
页数：7
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