THE TEMPERATURE ACCLIMATIZED SWIMMING SPEED OF SELECTED MARINE DINOFLAGELLATES
THE TEMPERATURE ACCLIMATIZED SWIMMING SPEED OF SELECTED MARINE DINOFLAGELLATES
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DOI：
10.1093/plankt/8.2.275
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发表时间：
1986-03-01
影响因子：
2.1
通讯作者：
MCCOLLUM, SA
中科院分区：
文献类型：
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作者：
KAMYKOWSKI, D;MCCOLLUM, SA
使用视频测量来监测 11 种海洋甲藻在温度梯度板上的适应温度的游泳速度（24 小时暴露），其中一些由不同的克隆代表。尽管在相同处理下，种群内个体之间的固有变异性很高，但每个物种或克隆都可以用响应散点图来表示，该响应散点图表征了其与温度相关的游泳能力。对数据的曲线拟合处理证明了对单个克隆或不同克隆的重复试验的游泳速度与温度响应的相似性，以及不同物种之间游泳速度与温度响应的多样性。种群之间的比较包括可行的温度范围、最大游泳速度和反应曲线形状。所有物种的游泳温度范围都比检测到的生长温度范围更广。测量组内的最大游泳速度发生在-35 μg 的细胞长度时。这种可能的最佳细胞尺寸可能是由甲藻游泳的流体动力学特性产生的。甲藻物种之间游泳速度的变化可以影响群体内或与其他种类浮游植物的竞争性相互作用，并且可以影响食草动物的捕食者-猎物相互作用。
Video measurements were used to monitor the temperature acclimatized swimming speeds (24 hours exposure) of 11 species of marine dinoflagellates, some represented by different clones, on a temperature gradient plate. Although the inherent variability among individuals within a population under the same treatment was high, each species or clone could be represented by a response scatter plot that characterized its temperature-dependent swimming ability. A curve-fitting treatment of the data demonstrated the similarity of the swimming speed versus temperature responses for repetitive trials on a single clone or for different clones and the diversity of the swimming speed versus temperature responses among different species. Comparisons among populations included viable temperature range, maximum swimming speed and response curve shape. All species swam over a broader temperature range than that over which growth was detected. Maximum swimming speed within the measured group occurred at a cell length of -35 μg This possible optimum in cell size may result from the hydrodynamic characteristics of dinoflagellate swimming. Swimming speed variation among dinoflagellate species can influence the competitive interactions within the group or with other kinds of phytoplankton and can affect predator-prey interactions with herbivores.