Investigating the Local Reservoir Age and Stable Isotopes of Shells from Southeast Arabia
Investigating the Local Reservoir Age and Stable Isotopes of Shells from Southeast Arabia
复制标题
调查当地储层年龄和来自阿拉伯东南部的贝壳的稳定同位素
DOI:
10.1017/rdc.2016.80
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发表时间:
2016
期刊:
影响因子:
8.3
通讯作者:
Hinderer
中科院分区:
文献类型:
--
作者:
Lindauer;Marali;Schöne;Uerpmann;Kromer;Hinderer
We recently started a systematic approach to determine the reservoir age in southeast Arabia and its dependence on mollusk species and their environment. This part of the study concentrates on local reservoir age and stable isotopes of the lagoonal species Terebralia palustris and Anadara uropigimelana at Khor Kalba, Oman Sea. Environmental and nutritive influences on mollusks are reflected in the radiocarbon and stable isotope signal. We found a local reservoir age of A. uropigimelana of about 940 yr and that of T. palustris as 800 yr. Sclerochronological analyses yielded information about seasonality of growth and death in A. uropigimelana. The modern shell of Periglypta reticulata shares food resources and habitat with Anadara sp., of which we did not find a modern specimen. It provided information on response to changes in temperature in the lagoonal system needed for suitability as reflecting climatic conditions. We were interested in carbon pathways of the mangrove in Kalba and a mangrove planted anew on a former mangrove sediment in Ajman. Being an obvious source of charcoal and food of T. palustris makes this information necessary. Further analyses will be performed to interpret changes in reservoir age in complex lagoonal systems as reaction to environmental variability.
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DOI:
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发表时间:
2008
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