But since the arrival of the Ampullarius canaliculatus, farmers have had no choice but to use pesticides once a week. As a result all kinds of aquatic life have died together, and the idea of a protected area has died with them, leaving behind worries about tin pollution.
但在福壽螺駕臨之後，農民不得不一個禮拜祭出一次農藥，結果各水族同歸於盡，保護區就此成為泡影，也留下土地錫污染的隱憂。