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More than meets the eye: The barrier effect of the Yangtze River outflow

Title
More than meets the eye: The barrier effect of the Yangtze River outflow
Authors
Ni, GangKern, ElizabethDong, Yun-WeiLi, QiPark, Joong-Ki
Ewha Authors
박중기
SCOPUS Author ID
박중기scopus
Issue Date
2017
Journal Title
MOLECULAR ECOLOGY
ISSN
0962-1083JCR Link1365-294XJCR Link
Citation
vol. 26, no. 18, pp. 4591 - 4602
Keywords
Changjiang RiverEast China Seafreshwater outflow barriermarine phylogeographymarine population connectivitynorthwestern Pacific
Publisher
WILEY
Indexed
SCI; SCIE; SCOPUS WOS
Abstract
The Yangtze (Changjiang) River enters the East China Sea with huge annual freshwater and sediment deposits. This outflow, known as the Changjiang diluted water (CDW), causes striking ecological gradients that potentially shape coastal species' distribution and differentiation. The CDW has long been rendered as a marine biogeographic boundary separating cold-temperature and warm-water faunas, but it remains unclear whether and to what extent it acts as an intraspecific barrier. Here, we synthesize published phylogeographic studies related to the CDW to address these issues. We find that the influence of the CDW on population differentiation is taxonomically variable, and even congeneric species may respond differently. In studies that claim the CDW is a phylogeographic barrier, the underlying assumptions explaining observed genetic breaks are sometimes incorrect, and some may have misinterpreted results due to conceptual confusion or insufficient geographic sampling. After excluding these studies, the remaining ones generally show shallow genetic divergence but significant population structure for coastal species across the CDW, suggesting that the CDW has not been a historically persistent barrier, but rather has acted as a filter within some species recently, probably after the last glacial maximum.
DOI
10.1111/mec.14235
Appears in Collections:
일반대학원 > 에코과학부 > Journal papers
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