Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1098/rsos.160296 |
Age-related environmental gradients influence invertebrate distribution in the Prince Charles Mountains, East Antarctica | |
Czechowski, Paul1,2; White, Duanne3; Clarke, Laurence1,4,5; McKay, Alan6; Cooper, Alan1; Stevens, Mark I.7,8 | |
通讯作者 | Czechowski, Paul |
来源期刊 | ROYAL SOCIETY OPEN SCIENCE |
ISSN | 2054-5703 |
出版年 | 2016 |
卷号 | 3期号:12 |
英文摘要 | The potential impact of environmental change on terrestrial Antarctic ecosystems can be explored by inspecting biodiversity patterns across large-scale gradients. Unfortunately, morphology-based surveys of Antarctic invertebrates are time-consuming and limited by the cryptic nature of many taxa. We used biodiversity information derived from high-throughput sequencing (HTS) to elucidate the relationship between soil properties and invertebrate biodiversity in the Prince Charles Mountains, East Antarctica. Across 136 analysed soil samples collected from Mount Menzies, Mawson Escarpment and Lake Terrasovoje, we found invertebrate distribution in the Prince Charles Mountains significantly influenced by soil salinity and/or sulfur content. Phyla Tardigrada and Arachnida occurred predominantly in low-salinity substrates with abundant nutrients, whereas Bdelloidea (Rotifera) and Chromadorea (Nematoda) were more common in highly saline substrates. A significant correlation between invertebrate occurrence, soil salinity and time since deglaciation indicates that terrain age indirectly influences Antarctic terrestrial biodiversity, with more recently deglaciated areas supporting greater diversity. Our study demonstrates the value of HTS metabarcoding to investigate environmental constraints on inconspicuous soil biodiversity across large spatial scales. |
英文关键词 | Antarctica invertebrates environmental DNA gradient salinity high-throughput sequencing |
类型 | Article |
语种 | 英语 |
国家 | Australia |
收录类别 | SCI-E |
WOS记录号 | WOS:000391731800005 |
WOS关键词 | SOUTHERN VICTORIA LAND ; DRY VALLEY SOILS ; LATITUDINAL GRADIENT ; DESERT SOILS ; BIODIVERSITY ; DIVERSITY ; PATTERNS ; DNA ; SURVIVAL ; PROJECT |
WOS类目 | Multidisciplinary Sciences |
WOS研究方向 | Science & Technology - Other Topics |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/196140 |
作者单位 | 1.Univ Adelaide, Australian Ctr Ancient DNA, Adelaide, SA 5005, Australia; 2.Antarctic Biol Res Initiat, Bolivar, SA 5110, Australia; 3.Univ Canberra, Inst Appl Ecol, Canberra, ACT 2601, Australia; 4.Australian Antarctic Div, Kingston, Tas 7050, Australia; 5.Univ Tasmania, Antarctic Climate & Ecosyst Cooperat Res Ctr, Hobart, Tas 7001, Australia; 6.South Australian Res & Dev Inst, Plant & Soil Hlth, Waite Campus, Urrbrae, SA 5064, Australia; 7.South Australian Museum, Ctr Sci, Adelaide, SA 5000, Australia; 8.Univ South Australia, Sch Pharm & Med Sci, Adelaide, SA 5001, Australia |
推荐引用方式 GB/T 7714 | Czechowski, Paul,White, Duanne,Clarke, Laurence,et al. Age-related environmental gradients influence invertebrate distribution in the Prince Charles Mountains, East Antarctica[J],2016,3(12). |
APA | Czechowski, Paul,White, Duanne,Clarke, Laurence,McKay, Alan,Cooper, Alan,&Stevens, Mark I..(2016).Age-related environmental gradients influence invertebrate distribution in the Prince Charles Mountains, East Antarctica.ROYAL SOCIETY OPEN SCIENCE,3(12). |
MLA | Czechowski, Paul,et al."Age-related environmental gradients influence invertebrate distribution in the Prince Charles Mountains, East Antarctica".ROYAL SOCIETY OPEN SCIENCE 3.12(2016). |
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