Arctic rhodolith beds and their environmental controls (Spitsbergen, Norway)

Arctic rhodolith beds and their environmental controls (Spitsbergen, Norway)
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北极红榴石层及其环境控制(挪威斯匹次卑尔根岛)

DOI:
10.1007/s10347-013-0372-2
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发表时间:
2014
期刊:
影响因子:
1.8
通讯作者:
Freiwald A
Freiwald A
中科院分区:
地球科学4区
文献类型:
--
作者:
Teichert S;Woelkerling W;Rüggeberg A;Wisshak M;Piepenburg D;Meyerhöfer M;Form A;Freiwald A

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珊瑚藻(Cordalales,Rhodophyta)形成红柱石是重要的生态系统工程师和碳酸盐生产者在许多极地沿海栖息地。本文研究了挪威斯瓦尔巴群岛斯匹次卑尔根岛外弗洛斯克耶雷特(78°18′ N)、克罗斯峡湾(79°08′N)和莫塞尔布克塔(79°53′N)的红柱石群落。强烈的季节性变化的温度,盐度,光制度,海冰覆盖率,和浊度的特点这些地方。珊瑚藻植物群由冰川石藻和纤细珊瑚藻组成。在27至47米水深之间记录了发育良好的红长石,而在77米水深以下的岩石卵石上发现了珊瑚藻结壳。在所有的网站,周围的沃茨饱和,就文石和方解石,和玫瑰石床主要位于dysphotic水的深度。与红柱石有关的大型底栖动物包括石鳖和海胆等食草生物。随着水深的降低,红柱石路面上经常长满了非钙质的多管藻状红藻。珊瑚正在蓬勃发展,在适应物理环境以及与相关底栖动物的相互作用方面具有高度专业化,这与其他极地红柱石群落相似。斯匹次卑尔根群岛的海洋环境已经受到气候驱动的生态系统变化的影响,并将导致在不久的将来增加borealization,目前无法预测的后果珊瑚红藻社区。
Coralline algae (Corallinales, Rhodophyta) that form rhodoliths are important ecosystem engineers and carbonate producers in many polar coastal habitats. This study deals with rhodolith communities from Floskjeret (78°18′N), Krossfjorden (79°08′N), and Mosselbukta (79°53′N), off Spitsbergen Island, Svalbard Archipelago, Norway. Strong seasonal variations in temperature, salinity, light regime, sea-ice coverage, and turbidity characterize these localities. The coralline algal flora consists ofLithothamnion glacialeandPhymatolithon tenue. Well-developed rhodoliths were recorded between 27 and 47 m water depth, while coralline algal encrustations on lithoclastic cobbles were detected down to 77 m water depth. At all sites, ambient waters were saturated with respect to both aragonite and calcite, and the rhodolith beds were located predominately at dysphotic water depths. The rhodolith-associated macrobenthic fauna included grazing organisms such as chitons and echinoids. With decreasing water depth, the rhodolith pavements were regularly overgrown by non-calcareousPolysiphonia-like red algae. The corallines are thriving and are highly specialized in their adaptations to the physical environment as well as in their interaction with the associated benthic fauna, which is similar to other polar rhodolith communities. The marine environment of Spitsbergen is already affected by a climate-driven ecological regime shift and will lead to an increased borealization in the near future, with presently unpredictable consequences for coralline red algal communities.
DOI: 10.1016/j.csr.2008.04.015
发表时间: 2008-08
影响因子: 2.3
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F. Nilsen;F. Cottier;R. Skogseth;S. Mattsson
通讯作者: F. Nilsen;F. Cottier;R. Skogseth;S. Mattsson
藻类植物(珊瑚科、红藻门)的典型和地位
DOI: 10.1080/00071618600650071
发表时间: 1986
影响因子: 2.4
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DOI: 10.1007/bf00397685
发表时间: 1982-09
期刊: Marine Biology
影响因子: 2.4
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DOI: 10.1007/978-3-642-70355-3_29
发表时间: 1985
期刊: PLoS ONE
影响因子: 3.7
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峡湾和沿海水域生态
DOI: 10.2307/1521711
发表时间: 1997
影响因子: 2.2
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