流れ藻に付随する幼稚魚の生態学的研究-I : 流れ藻に付随する幼稚魚の季節変動について

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概要

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• 1. Observations were made on the floating seaweeds in Sagami Bay and some relations between fish and floating seaweeds were studied.2. The floating seaweeds were most frequent in March and then they become scarce gradually and in August only very small amount of fragments of Sargassum were found.3. Though no appreciable relation between the size of floating seaweeds and the number of fish gathered around them was observed in general, there is a possibility that some relations between them would be found when comparison is made among restricted samples in season and locality.4. The duration of stages gathering around the floating seaweeds of Oplegnathus fasciatus was estimated at about one month but it seems to be much variable by individuals.

著者

• 檜山 義夫

  Fisheries Department Faculty Of Agriculture University Of Tokyo

• 井田 斉

  Fisheries Department, Faculty of Agricuiture, The University of Tokyo

• 草下 孝也

  Ocean Research Institute, The University of Tokyo

• 檜山 義夫

  Fisheries Department, Faculty of Agriculture, The University of Tokyo

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