She said researchers are also conducting studies about the Irrawaddy dolphins relating to molecular problems, physical morphology, and whether the dolphins whose habitat is in the coastal areas have begun to enter the river.
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“If there is a shift in habitat, the study needs to be reviewed again,” she said. Many environmental factors influence the dolphin’s population and behavior in the Mahakam River, she added.
In Indonesia, the Irrawaddy dolphins are also found in waters around East Kalimantan, West Kalimantan, Java, Sumatra, and Papua. Classified as critically endangered by the IUCN Red List of Threatened Species, the Irrawaddy dolphins are now down to 80.
The iucnredlist.org said that there have been a significant range of declines in several areas. “In East Kalimantan, conservation efforts have been focused on training fishermen to rescue dolphins when they’re entangled and raising awareness among communities and government authorities,” it said.
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