宮古島のオカミミガイ科貝類相

概要

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Mangrove marshes are typical environment of the intertidal zone of estuaries and seashores in inlets and bays in Ryukyu Islands, Japan. However, recent coastal development has resulted in the disturbance of the marsh ecosystem. A faunal study of Ellobiidae inhabiting the salt marshes and rocky shores at 7 stations around coast of Miyakojima Island in Ryukyu Islands was made in March, 1996. The shell of all species collected in this study are described and illustrated. A total of 24 species were collected, among which 12 have been determined as "endangered" by Wada et al. (1996). The largest number of species (19 species) occurred in salt marshes (Stn. 1 and 5) where human disturbance has scarcely affected the marsh vegetations. In order to maintain the diversity of Ellobiids, it is necessary to conserve the marsh vegetation distributed from high intertidal zone to higher shores.
日本貝類学会の論文
2000-11-30