Abstract
Diatom data of 192 surface sediment samples from the marginal seas in the western Pacific together with modern summer and winter sea surface temperature and salinity data were analyzed. The results of canonical correspondence analysis show that summer sea-surface salinity (SSS) is highly positively correlated with winter SSS and so is summer sea-surface temperature (SST) with winter SST. The correlations between SSSs and SSTs are less positively correlated, which may be due to interactions of regional current pattern and monsoon climate. The correlations between diatom species, sample sites and environmental variables concur with known diatom ecology and regional oceanographic characters. The results of forward selection of the environmental variables and associated Monte Carlo permutation tests of the statistical significance of each variable suggest that summer SSS and winter SST are the main environmental factors affecting the diatom distribution in the area and therefore preserved diatom data from down core could be used for reconstructions of summer SSS and winter SST in the region.
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Supported by the support by the NSFC (No. 40676027), the Fund for Creative Research Groups of China (No. 40721004) and the 111 Project (No. B08022)
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Huang, Y., Jiang, H., Svante, B. et al. Surface sediment diatoms from the western Pacific marginal seas and their correlation to environmental variables. Chin. J. Ocean. Limnol. 27, 674–682 (2009). https://doi.org/10.1007/s00343-009-9211-2
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DOI: https://doi.org/10.1007/s00343-009-9211-2