natural or artificial barriers to surrounding water courses that prevent aquatic animals from entering or leaving the establishment concerned, including measures against flooding or infiltration of water from surrounding water courses;
bacainní nádúrtha nó saorga ó chúrsaí uisce máguaird a chuireann cosc ar ainmhithe uisceacha le dul isteach nó amach as an mbunaíocht lena mbaineann, lena n-áirítear bearta i gcoinne insíothlú uisce nó tuile ó chúrsaí uisce máguaird;