 Nyorai kuenderera mberi kweiyi ndima - Muna 2003 nzvimbo inochengeterwa zvisikwa yakazivikanwa senzvimbo ine mvura yakakosha pasi rose nekuda kwekukosha kwezvitsuwa zvayo zvinopa nzvimbo yekuzorora kune shiri dzinofamba-famba uye kutsigira makoloni makuru ekubereka shiri dzegungwa. Yakasarudzwa seRamsar Site 1220 pasi peRamsar Convention on Wetlands. 