Salinity-dependent sieve pore variability in Cyprideis torosa: an experiment
Salinity-dependent sieve pore variability in Cyprideis torosa: an experiment
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DOI：
10.1144/jmpaleo2016-009
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发表时间：
2017-01-01
影响因子：
2
通讯作者：
Pint, Anna
中科院分区：
文献类型：
--
作者：
Frenzel, Peter;Ewald, Judith;Pint, Anna
通过对盐度在0.6到14.8之间的阀门进行的培养实验，测试并确认了塞浦路斯的筛孔随盐度的变化。与以前的研究结果相比，筛孔形状的比例在较高的值时显示出轻微的偏移，这可能是由于我们的微观世界中相对较低的钙浓度造成的。除了离子浓度，盐度变化和离子组成被认为是筛孔形状的驱动因素，就像塞浦路斯的点头情况一样。尽管在利用筛孔形状作为盐度定量重建的替代物方面存在一些局限性，但应用于探测化石组合中的趋势和盐度变化以及边缘海洋水域的盐度定量重建是可行的，并增加了一个有价值的盐度替代物，特别是对于低盐到中盐盐度范围。
Salinity-dependent sieve pore variability in Cyprideis torosa (Jones) is tested and confirmed through a culture experiment investigating valves from a salinity range between 0.6 and 14.8. In contrast to results from a previous study, the proportion of sieve pore shapes shows a slight offset at higher values probably caused by relatively lower calcium concentrations in our microcosms. Besides ion concentration, salinity variability and ion composition are assumed to be driving factors for sieve pore shapes, as for the case of noding in Cyprideis torosa. Despite some limitations in using sieve pore shapes as a proxy in quantitative salinity reconstructions in athalassic water bodies, an application for detecting trends and salinity changes in fossil associations and for quantitative reconstructions in marginal marine waters is feasible and adds a valuable salinity proxy, especially for the oligohaline to mesohaline salinity range.