Phytoplankton dynamics in the Southern California Bight indicate a complex mixture of transport and biology
Phytoplankton dynamics in the Southern California Bight indicate a complex mixture of transport and biology
复制标题
南加州湾的浮游植物动态表明运输和生物学的复杂结合
DOI：
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发表时间：
2016
期刊：
影响因子：
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通讯作者：
S. Moorthi
中科院分区：
文献类型：
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作者：
S. Bialonski;D. Caron;Julia Schloen;U. Feudel;H. Kantz;S. Moorthi
潜在有害浮游植物类群在特定地点和时间的刺激和优势取决于当地的环境条件，以及通过运输到或从邻近地区。本研究调查了常见的有害藻华（HAB）类群内的南加州湾的发生，使用互相关函数，以确定有害藻华类群和环境因素之间的潜在依赖关系，并通过当地水文和电流的藻类运输的潜在联系。一项模拟研究，其中拉格朗日粒子被释放，被用来评估旅行时间，由于平流盛行的洋流在海湾。我们的研究结果表明，运输的一些类群可能是一个重要的机制，其分布扩展到其他地区，这是支持的平均旅行时间来自我们的模拟研究和其他文献洋流在南加州湾。然而，在其他情况下，浮游植物的动态与当地环境条件，包括沿海涌升事件，有相当大的联系。总体而言，我们的研究表明，复杂的电流模式在南加州湾可能有助于显着的形成和扩展的赤潮除了当地的环境因素决定的时空动态的浮游植物水华。
The stimulation and dominance of potentially harmful phytoplankton taxa at a given locale and time are determined by local environmental conditions as well as by transport to or from neighboring regions. The present study investigated the occurrence of common harmful algal bloom (HAB) taxa within the Southern California Bight, using cross-correlation functions to determine potential dependencies between HAB taxa and environmental factors, and potential links to algal transport via local hydrography and currents. A simulation study, in which Lagrangian particles were released, was used to assess travel times due to advection by prevailing ocean currents in the bight. Our results indicate that transport of some taxa may be an important mechanism for the expansion of their distributions into other regions, which was supported by mean travel times derived from our simulation study and other literature on ocean currents in the Southern California Bight. In other cases, however, phytoplankton dynamics were rather linked to local environmental conditions, including coastal upwelling events. Overall, our study shows that complex current patterns in the Southern California Bight may contribute significantly to the formation and expansion of HABs in addition to local environmental factors determining the spatiotemporal dynamics of phytoplankton blooms.
影响因子：
6.6
作者：
Heisler J;Glibert P;Burkholder J;Anderson D;Cochlan W;Dennison W;Gobler C;Dortch Q;Heil C;Humphries E;Lewitus A;Magnien R;Marshall H;Sellner K;Stockwell D;Stoecker D;Suddleson M
通讯作者：
Suddleson M