人工浮島１を水面に浮かべて係留し、該人工浮島の粗朶類により、カワウ等の有害採魚鳥類から魚類を保護する。例文帳に追加

By floating the artificial island 1 on the surface of water and mooring, the fishes are protected from harmful fish eating birds such as a cormorant, etc., by the brushwood of the artificial island. - 特許庁

カワウオドシのように、有害鳥類の追い出しを図るのではなく、人工浮島によりカワウ等から見えにくくまた逃げ得る隠れ場を提供して、魚類の保護を図る。例文帳に追加

To provide an artificial floating island for fishes, not to drive harmful birds out as a cormorant-threatening device does, but to provide a hiding place under which the fishes are hardly seen and can escape from the cormorants, for the protection of the fishes. - 特許庁

河川の落差工および砂防ダム等河床施設物において，魚類資源の保護と両生類の生息処の提供，魚類および両生類の安全な移動路を確保できる河床ブロックと，これらを利用して環境に優しく生態学的に有効に河床を強化し護岸する施工方法を提供すること。例文帳に追加

To provide a river bed block capable of protecting resources for fishes and providing a habitat for amphibians and securing a safe transfer passage for fishes and amphibians and an execution method capable of reinforcing the river bed and protecting it so as to be environment-friendly and ecologically effective while using the river bed blocks, in river bed facilities such as falling works and an erosion control dam of a river. - 特許庁