Baleen boom and bust: a synthesis of mysticete phylogeny, diversity and disparity.
Baleen boom and bust: a synthesis of mysticete phylogeny, diversity and disparity.
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DOI：
10.1098/rsos.140434
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发表时间：
2015-04
影响因子：
3.5
通讯作者：
Fordyce RE
中科院分区：
文献类型：
--
作者：
Marx FG;Fordyce RE
一项新的、完全过时的须鲸（Mysticeti）系统发育学表明，进化阶段与海洋和气候的新生代现代化密切相关，这意味着自下而上的物理驱动因素发挥着重要作用。 90 个现代和定年化石物种的系统发育表明须鲸历史的三个主要阶段：早期适应性辐射（36-30Ma）、向大量滤食的转变（30-23Ma）以及 3Ma 左右气候驱动的多样性丧失。 38Ma左右神秘鲸起源后，进化速率和差异很大，与全球变冷、南大洋突然富营养化和南极绕极流（ACC）的发展同时发生。随后，进化率和差异下降，在大约 23 Ma 后，随着 ACC 达到其全部强度，进化率和差异几乎保持不变。相比之下，物种多样性一直上升到15 Ma，然后保持稳定，然后随着北半球冰川的爆发而急剧下降。这种下降与现代神秘巨兽的最终建立相一致，可能与冰川驱动的浅层栖息地分布的变异性或与铁介导的冰川海洋生产力变化相关的长途迁徙需求的增加有关。
A new, fully dated total-evidence phylogeny of baleen whales (Mysticeti) shows that evolutionary phases correlate strongly with Caenozoic modernization of the oceans and climates, implying a major role for bottom-up physical drivers. The phylogeny of 90 modern and dated fossil species suggests three major phases in baleen whale history: an early adaptive radiation (36–30 Ma), a shift towards bulk filter-feeding (30–23 Ma) and a climate-driven diversity loss around 3 Ma. Evolutionary rates and disparity were high following the origin of mysticetes around 38 Ma, coincident with global cooling, abrupt Southern Ocean eutrophication and the development of the Antarctic Circumpolar Current (ACC). Subsequently, evolutionary rates and disparity fell, becoming nearly constant after approximately 23 Ma as the ACC reached its full strength. By contrast, species diversity rose until 15 Ma and then remained stable, before dropping sharply with the onset of Northern Hemisphere glaciation. This decline coincided with the final establishment of modern mysticete gigantism and may be linked to glacially driven variability in the distribution of shallow habitats or an increased need for long-distance migration related to iron-mediated changes in glacial marine productivity.
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DOI：
10.1080/00288306.2006.9515152
发表时间：
2006-03-01
影响因子：
2.2
作者：
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发表时间：
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影响因子：
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