Subglacial Refugia in Iceland Enabled Groundwater Amphipods to Survive Glaciations
Subglacial Refugia in Iceland Enabled Groundwater Amphipods to Survive Glaciations
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冰岛的冰下避难所使地下水片脚类动物能够在冰川时期生存
DOI：
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发表时间：
2007
影响因子：
2.9
通讯作者：
J. Svavarsson
中科院分区：
文献类型：
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作者：
B. Kristjánsson;J. Svavarsson
最近在冰岛发现了一个特有的地下端足类（甲壳纲）科，此外还发现了一个以前已知的端足类科的新物种。这些发现是值得注意的，因为冰岛从大约260万BP到大约10，000 BP被冰川覆盖，并且孤立于大西洋中脊，远离北美和欧洲大陆。我们认为，在第四纪冰期冰岛有冰下避难所。地下端足类动物的存在，属于一个古老的组，其目前的分布主要在北美和欧亚大陆，表明过去接触的地下淡水沃茨和北大西洋大陆。目前在冰岛发现的片足类动物可能在40 Ma时就已经存在于格陵兰岛，当时冰岛的前身与热点（冰岛羽流）一起从格陵兰岛漂移而来。
An endemic family of subterranean amphipods (Crustacea) has recently been discovered in Iceland, in addition to a new species of a previously known amphipod family. These findings are remarkable because Iceland was covered by glaciers from about 2.6 million BP to about 10,000 BP and is isolated on the mid‐Atlantic Ridge, far from the North American and European continents. We argue that there were subglacial refugia in Iceland during the Quaternary glacial period. The presence of subterranean amphipods, belonging to an old group with its present distribution mainly in North America and the Eurasian continent, indicates past contact of subterranean fresh waters of Iceland and the North Atlantic continent. The amphipods currently found in Iceland may have been present in Greenland at 40 Ma, when the precursor of Iceland drifted together with the hot spot (Iceland plume) from Greenland.