PHYTOSOCIOLOGICAL STUDY OF THE INTERTIDAL MARINE ALGAE : II. THE ALGAL COMMUNITIES ON THE VERTICAL SUBSTRATUM FACES ON SEVERAL DIRECTIONS

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  • 潮間帯の海藻の群落生態学的研究-2-種々の方向の直立面上の海藻群落〔英文〕
  • チョウカンタイ ノ カイソウ ノ グンラク セイタイガクテキ ケンキュウ 2 シュジュ ノ ホウコウ ノ チョクリツメン ジョウ ノ カイソウ グンラク エイブン

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Abstract

The intertidal algal communities on the vertical faces of the breakwater at the fisherman's wharf were observed at Toyoura, Hokkaido. Comparing the results with those from Usujiri^<3)>, we derive the following conclusions : 1. The algal communities on vertical substrata seemed to be strongly related to the direction the substratum faces. 2. Ptilota pectinata, provisionally reported earlier to be a species peculiar to vertical substrata, is now confirmed in respect to this tendency, and it is also designated as a shade alga. Heterochordaria abietina and Corallina pilulifera seemed to be sun forms.

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