潮间带大型海藻氮稳定同位素的环境指示作用
发布时间：2019-04-10 10:18
【摘要】：通过对烟台潮间带大型海藻组织中总碳(TC)、总氮(TN)、氮稳定同位素(δ15N)和水环境参数的分析,对氮营养盐来源进行了判定,并筛选了合适的指示性藻种。烟台潮间带大型海藻的δ15N值均位于6.18‰~10.99‰之间,指示了生活污水与养殖排放是海水氮营养盐的主要来源。其中月亮湾(S1)主要受生活污水影响,养马岛(S3)受养殖排放影响更明显,而渔人码头(S2)同时受生活污水和养殖排放影响。绿藻门的孔石莼(Ulva pertusa)和肠浒苔(Enteromorpha intestinalis)对氮营养盐有较好的吸收和贮存能力,同时在利用氮营养盐的过程中分馏作用不明显,较适合于作为氮营养盐来源的指示藻种。
[Abstract]:Based on the analysis of total carbon (TC),) total nitrogen (TN),) nitrogen stable isotope (未 15N) and water environmental parameters in the intertidal zone of Yantai, the source of nitrogen nutrients was determined and suitable indicative algae species were screened. The 未 15N values of macroalgae in the intertidal zone of Yantai range from 6.18 鈥，
本文编号：2455716
[Abstract]:Based on the analysis of total carbon (TC),) total nitrogen (TN),) nitrogen stable isotope (未 15N) and water environmental parameters in the intertidal zone of Yantai, the source of nitrogen nutrients was determined and suitable indicative algae species were screened. The 未 15N values of macroalgae in the intertidal zone of Yantai range from 6.18 鈥，
本文编号：2455716
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