Upwelling and anthropogenic forcing on phytoplankton productivity and community structure changes in the Zhejiang coastal area over the last 100 years

DUAN Shanshan XING Lei ZHANG Hailong FENG Xuwen YANG Haili ZHAO Meixun

段杉杉, 邢磊, 张海龙, 冯旭文, 杨海丽, 赵美训. 过去100年来闽浙泥质区浮游植物生产力和群落结构在上升流和人类活动影响下的变化[J]. 海洋学报英文版, 2014, 33(10): 1-9. doi: 10.1007/s13131-014-0535-1
引用本文: 段杉杉, 邢磊, 张海龙, 冯旭文, 杨海丽, 赵美训. 过去100年来闽浙泥质区浮游植物生产力和群落结构在上升流和人类活动影响下的变化[J]. 海洋学报英文版, 2014, 33(10): 1-9. doi: 10.1007/s13131-014-0535-1
DUAN Shanshan, XING Lei, ZHANG Hailong, FENG Xuwen, YANG Haili, ZHAO Meixun. Upwelling and anthropogenic forcing on phytoplankton productivity and community structure changes in the Zhejiang coastal area over the last 100 years[J]. Acta Oceanologica Sinica, 2014, 33(10): 1-9. doi: 10.1007/s13131-014-0535-1
Citation: DUAN Shanshan, XING Lei, ZHANG Hailong, FENG Xuwen, YANG Haili, ZHAO Meixun. Upwelling and anthropogenic forcing on phytoplankton productivity and community structure changes in the Zhejiang coastal area over the last 100 years[J]. Acta Oceanologica Sinica, 2014, 33(10): 1-9. doi: 10.1007/s13131-014-0535-1

过去100年来闽浙泥质区浮游植物生产力和群落结构在上升流和人类活动影响下的变化

doi: 10.1007/s13131-014-0535-1
基金项目: The National Basic Research Program of China (973 Program) under contract No. 2010CB428901; the National Natural Science Foundation of China under contract Nos 41020164005, 40976042 and 41076036.

Upwelling and anthropogenic forcing on phytoplankton productivity and community structure changes in the Zhejiang coastal area over the last 100 years

  • 摘要: 过去30年我国边缘海浮游植物的生产力和群落结构发生了明显变化,但如何区分气候变化和人类活动之间的强迫机制仍是一个挑战。本文通过对比两个210Pb定年的高时间分辨率生物标志物记录的沉积物岩心(#34,28.5oN,122.272oE;CJ12-1269,28.8619oN,122.5153oE)揭示了浮游植物生产力和群落结构在过去100年的变化。#34站位浮游植物生产力从1970s开始上升,1990s末迅速增加;CJ12-1269站位浮游植物生产力从1960s中期开始上升,1980s末迅速增加;CJ12-1269站位的生产力高于#34站位。两站位的浮游植物群落结构变化趋势相反。#34站位1960s以后D/B下降,反映出硅藻对总生产力的贡献增加;而CJ12-1269站位1950s以后D/B上升,反映出甲藻对总生产力的贡献增加。由于CJ12-1269站位离高营养盐以及Si/N下降的长江口较近,1950-1960s该站位生产力以及甲藻贡献的增加主要是由人类活动引起的;而#34站位硅藻贡献的增加很可能是由高营养盐以及高Si/N比的上升流引起的。
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  • 收稿日期:  2013-10-24
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