Unveiling the diversification dynamics of Australasian predaceous diving beetles in the Cenozoic.
Unveiling the diversification dynamics of Australasian predaceous diving beetles in the Cenozoic.
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揭示新生代澳大利亚捕食性潜水甲虫的多样化动态
DOI：
10.1093/sysbio/syu067
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发表时间：
2015
影响因子：
6.5
通讯作者：
Hendrich
中科院分区：
文献类型：
--
作者：
Toussaint;Condamine;Hawlitschek;Hendrich
在新生代，澳大利亚经历了重大的气候变化，对现代生物群产生了巨大的生态后果。梅西奇热带生态系统逐渐局限于沿海地区，取而代之的是适应干旱的植物和动物群落。虽然干旱化的作用已经在广泛的陆地谱系中进行了研究，但淡水分支的响应仍然很少。为了深入了解淡水辐射的多样化过程，我们研究了Hydroporini部落（147种描述的物种）的澳大利亚捕食性潜水甲虫的进化历史。我们使用了一种综合的方法，包括最新的方法在遗传学，分歧时间估计，祖先的字符状态重建，和基于似然的方法的多样化率估计。系统发育和测年分析重建的分子数据，从7个基因（线粒体和核）的117种（加上12个外类群）。鲁棒和良好的解决aprogenies表明晚渐新世起源的澳大拉西亚Hydroporini。生物地理学分析表明，起源于澳大利亚东海岸地区，和一个动态的地理情景意味着扩散事件。该集团成功地殖民了肆虐的沙漠化所雕刻的热带沿海地区，并殖民了澳大利亚中部的地下水生态系统。多样性率分析表明，澳大利亚的持续干旱化在中新世开始促成了一个主要的浪潮，因为上新世晚期可能是由于增加的干旱，范围收缩和季节性中断造成的第四纪气候变化。当比较地下和地上属，我们的研究结果表明，对比机制驱动其多样化，因此目前的多样性格局。澳大拉西亚Hydroporini辐射反映了一个组合的过程，既促进多样化，导致新的生态机会驱动的初始干旱化，和随后的损失的中温适应多样性，由于日益干旱。
During the Cenozoic, Australia experienced major climatic shifts that have had dramatic ecological consequences for the modern biota. Mesic tropical ecosystems were progressively restricted to the coasts and replaced by arid-adapted floral and faunal communities. Whilst the role of aridification has been investigated in a wide range of terrestrial lineages, the response of freshwater clades remains poorly investigated. To gain insights into the diversification processes underlying a freshwater radiation, we studied the evolutionary history of the Australasian predaceous diving beetles of the tribe Hydroporini (147 described species). We used an integrative approach including the latest methods in phylogenetics, divergence time estimation, ancestral character state reconstruction, and likelihood-based methods of diversification rate estimation. Phylogenies and dating analyses were reconstructed with molecular data from seven genes (mitochondrial and nuclear) for 117 species (plus 12 outgroups). Robust and well-resolved phylogenies indicate a late Oligocene origin of Australasian Hydroporini. Biogeographic analyses suggest an origin in the East Coast region of Australia, and a dynamic biogeographic scenario implying dispersal events. The group successfully colonized the tropical coastal regions carved by a rampant desertification, and also colonized groundwater ecosystems in Central Australia. Diversification rate analyses suggest that the ongoing aridification of Australia initiated in the Miocene contributed to a major wave of extinctions since the late Pliocene probably attributable to an increasing aridity, range contractions and seasonally disruptions resulting from Quaternary climatic changes. When comparing subterranean and epigean genera, our results show that contrasting mechanisms drove their diversification and therefore current diversity pattern. The Australasian Hydroporini radiation reflects a combination of processes that promoted both diversification, resulting from new ecological opportunities driven by initial aridification, and a subsequent loss of mesic adapted diversity due to increasing aridity.
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影响因子：
3.7
作者：
Hawlitschek O;Porch N;Hendrich L;Balke M
通讯作者：
Balke M
Tjirtudessus Watts 龙虱科鞘翅目二十五新种
DOI：
--
发表时间：
2003
期刊：
影响因子：
--
作者：
C. Watts;W. Humphreys
通讯作者：
W. Humphreys
澳大利亚掠食性水甲虫 CarabHydrus Watts 属的分类学修订，1978（Col. Dytiscidae、Hydroporinae、Hydroporini）
DOI：
--
发表时间：
2009
期刊：
影响因子：
--
作者：
L. Hendrich;C. Watts
通讯作者：
C. Watts
影响因子：
2.6
作者：
Schwentner;Richter
通讯作者：
Richter
影响因子：
16.6
作者：
Bergmann, Victor W.;Weber, Stefan A. L.;Berger, Ruediger
通讯作者：
Berger, Ruediger