A review of phytoplankton composition within Chesapeake Bay and its tidal estuaries

A review of phytoplankton composition within Chesapeake Bay and its tidal estuaries
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切萨皮克湾及其潮汐河口浮游植物组成的综述

DOI:
10.1093/plankt/fbi079
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发表时间:
2005
影响因子:
2.1
通讯作者:
R. Lacouture
R. Lacouture
中科院分区:
环境科学与生态学3区
文献类型:
--
作者:
H. Marshall;L. Burchardt;R. Lacouture

文献摘要

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基于对切萨皮克湾及其主要支流潮汐区的连续20年的月度采样数据,在这些水域确定了1454个浮游植物分类群。除了绿藻、蓝藻、隐藻和鞭毛藻的季节性代表性外,它们还代表了一种多样化的物种组合,全年都以硅藻植物群为主。该菌群中包括34种潜在有害或产生毒素的物种。讨论了与季节演替模式相关的浮游植物组成,并与早期的浮游植物组成记录进行了比较。当今最常见的几个分类群与在海湾沉积物岩心中报告的那些类似,这些岩心可以追溯到欧洲人定居之前的时期。与大约80年前(1916-1922)在切萨皮克湾收集的标本进行比较表明,有几种相同的优势植物群今天仍然占主导地位;然而,与这些早期研究相比,它们的细胞浓度和物种多样性都显著增加。
Based on a continuous 20-year data base of monthly sampling in Chesapeake Bay and tidal regions of its major tributaries, 1454 phytoplankton taxa have been identified in these waters. They represent a diverse assemblage of species with a dominant diatom flora throughout the year, in addition to large seasonal representation by chlorophytes, cyanobacteria, cryptophytes and dinoflagellates. Included among this flora were 34 potential harmful or toxin producing species. The phytoplankton compositions associated with the seasonal successional patterns are discussed, in addition to characterizing the dominant floral relationships, with comparison to early composition records within the Bay. Several of the present day most common taxa were similar to those reported in sediment cores from the Bay dating to periods prior to European settlement. Comparison with collections made ∼8 decades ago (1916-1922) within Chesapeake Bay indicated several of the same dominant flora remain dominant today; however, their cell concentrations are now significantly greater along with an increased diversity of species compared with these earlier studies.