On the positive side, the Australian Nature Conservation Agency, in their document The Action Plan for Australian Cetaceans, states: “Much of [the Irrawaddy dolphin’s] range in Queensland is covered by the Great Barrier Reef Marine Park; the possibilities for management in Queensland waters are therefore good. ”
सबसे बुरे प्रदूषक कृत्रिम जैव मिश्रण हैं, जैसे पॉलीक्लोरिनेटॆड बाइफिनिल (PCB), जो अकसर वातावरण में समाये रहते हैं ।