相模川水系におけるタイワンシジミの侵入状況とシジミ亜科分類の変遷

概要

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We collected and observed Corbicula samples in the Sagami river system and Kaname river system to determine whether invasion of exotic Corbicula fiuminea has occurred. C. fluminea has invaded and indigenous C. leana has disappeared from both the river systems. We could not find C. leana in either the Sagami river system or Kaname river system. The present study suggests that the invasion of exotic C. fluminea may result in the extinction of the indigenous C. leana.
2005-03-31