Microalgae on the Arctic Ocean Section, 1994: species abundance and biomass
Microalgae on the Arctic Ocean Section, 1994: species abundance and biomass
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DOI：
10.1016/s0967-0645(97)00057-x
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发表时间：
1997-01-01
影响因子：
3
通讯作者：
Horner, RA
中科院分区：
文献类型：
--
作者：
Booth, BC;Horner, RA
藻类物种的冰，直接低于冰（亚冰区）的水，并在北冰洋21个站的水柱进行了检查，使用荧光和倒置光学显微镜。首次在北极中部盆地测定了自养甲藻和其他各种自养鞭毛虫的生物量。在北极中部74%的样本中，这两类浮游植物生物量占主导地位，硅藻生物量占主导地位。在加拿大和马卡罗夫盆地选定的站点的浮游藻类贡献了93%的自养细胞数量和36%的自养生物量。硅藻物种在冰和冰下样品中实现了高生物量。中心硅藻北极直链藻（Melosira arctica）在冰下区域占主导地位，而羽纹硅藻是冰样本的主要贡献者。尽管水中硅酸盐浓度充足，硅藻硅藻壳往往轻微硅化。(C)1998爱思唯尔科技有限公司版权所有。
Algal species from the ice, the water directly below the ice (the sub-ice area), and the water column from 21 stations in the Arctic Ocean were examined using epifluorescence and inverted light microscopy. Biomass of autotrophic dinoflagellates and other miscellaneous autotrophic flagellates was determined for the first time in the central Arctic basins. Together these two groups dominated phytoplankton biomass in 74% of samples from the central Arctic, with diatom biomass predominant in the remainder. Picophytoplankton at selected stations in the Canada and Makarov Basins contributed 93% to autotroph cell numbers and 36% to autotroph biomass. Diatom species achieved high biomass in ice and sub-ice samples. The centric diatom Melosira arctica dominated the sub-ice area, while pennate diatoms were major contributors to the ice samples. Despite ample silicate concentrations in the water, diatom frustules were often lightly silicified. (C) 1998 Elsevier Science Ltd. All rights reserved.