In summer and autumn, the sediment is of find grain size, bad sorting and high BSi contents; in winter and spring, it is of coarse grain size, worse sorting, large fluctuation and low BSi contents.

  • 研究发现夏秋季沉积物颗粒偏细、分选差,生物硅含量高;而冬春季沉积物颗粒偏粗、分选更差、各参数波动范围大,生物硅含量低。

  • 互联网摘选 2025-01-20 19:01:07

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