Surface foraging behaviour of the North Atlantic right whale, Eubalaena glacialis, and associated zooplankton characteristics
Surface foraging behaviour of the North Atlantic right whale, Eubalaena glacialis, and associated zooplankton characteristics
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北大西洋露脊鲸（Eubalaena glacialis）的表面觅食行为以及相关的浮游动物特征
DOI：
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发表时间：
1990
期刊：
影响因子：
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通讯作者：
M. Marx
中科院分区：
文献类型：
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作者：
C. Mayo;M. Marx
对马萨诸塞州科德角湾的露脊鲸进行了研究，以确定它们的水面摄食行为与其浮游猎物的密度和组成之间的关系。鲸鱼觅食，社交和旅行的游泳路径特征进行了比较。在觅食路径上收集的浮游动物样本与那些没有鲸鱼的地区进行了对比。露脊鲸喂养的表面猎物补丁占主导地位的哲水蚤finmarchicus（21个样本），Pseudocalanus minutus（n = 13），Centropagesp。（n = 3），和幼虫藤壶（n = 2）。 鲸鱼摄食路径中的浮游动物密度显著高于（Mann-Whitney U检验，P <0.001）没有鲸鱼的站点（平均总密度分别为6.54 × 103（SE = 1.03 × 103）和0.87 × 103（SE = 0.19 × 103）生物/m3）。 在浮游动物总密度低于1000个/m3的地方很少观察到摄食。在铁的方向变化率…
Right whales in Cape Cod Bay, Massachusetts, were studied to determine the relationship between their surface feeding behaviour and the density and composition of their planktonic prey. The swimming path characteristics of whales feeding, socializing, and travelling were compared. Zooplankton samples collected in the feeding path were contrasted with those from areas where whales were not present. Surface prey patches where right whales fed were dominated by Calanus finmarchicus (21 samples), Pseudocalanus minutus (n = 13), Centropages sp. (n = 3), and larval barnacles (n = 2). The zooplankton density in the feeding path of the whales tested significantly higher (Mann–Whitney U-test, P < 0.001) than at stations where whales were not present (mean total densities were 6.54 × 103 (SE = 1.03 × 103) and 0.87 × 103 (SE = 0.19 × 103) organisms/m3, respectively). Feeding was rarely observed in locations where the total zooplankton density was less than 1000 organisms/m3. The rate of change of direction in the fe...