能取湖北部の塩湿地群落 : 北海道塩湿地群落の研究(5)

概要

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ITO Koji and Teruo LBU (Univ. Hokkaido, Sapporo) The salt marsh communities in the northern part of Lake Notoro near Abashiri in the north-eastern part of Hokkaido, Japan.-Ecological studies on the salt marsh vegetation in Hokkaido, Japan (5)-Jap. J. Ecol. 12,17-20 (1962) Synecological studies on the salt marsh communities were carried out in the Summers of 1960 and 1961. The communities studied were classified into : Salicornia europaea association (Salicornia europaea sociation), Puccinellia kurilensis-Glaux maritima var. obtusifolia ass. (Puccinellia kurilensis isocion, Puccinellia kurilensis-Glaux maritima var. obtusifolia soc., Glaux maritima var. obtusifolia isocion), and Potentilla Egedei var. groenlandica society. Among of them the Glaux isocion has not been reported in Japan. The isocion in the present area occupied about 3 ha., being nearly the half of the whole area investigated. Comparing the present isocion with the Glaux maritima DAHLBECK isocion in England, it is suggested that our isocion developed in a wetter habitat. The soil salinity of rhizospheres were measured at 20 points, and the salinity ranges of the dominant plants were : Salicornia sp. ; 5.7〜33.6‰, Puccinellia sp. ; 5.4〜14.5‰, Glaux sp. ; 1.2〜14.5‰ and Potentilla sp. ; 1.2〜4.5‰.
日本生態学会の論文
1962-02-01