IUCN – SSC Cetacean Specialist Group

Dams

26 Nov 2019

Ganges River dolphins strongly alter their acoustic behaviour in response to underwater noise, finds study from India

Article written by Nachiket Kelkar1,2 1Ashoka Trust for Research in Ecology and the Environment, Bangalore, India. 2 Member, IUCN Cetacean Specialist Group. Email: nachiket.kelkar@atree.org The impacts of underwater noise on marine cetaceans are starting to be relatively well understood across the world’s oceans. Noise can trigger responses ranging from...

02 Oct 2017

Update on Mekong River dams and river dolphins

As mentioned in an article posted on this website on 8 February 2017, the construction of large dams in the mainstem of the Mekong River in Laos and Cambodia represents an existential threat to the small, Critically Endangered freshwater population of Orcaella brevirostris. Following the...

08 May 2017

Lost Indus dolphins in the Beas River, India

Indus River dolphins (Platanista gangetica minor) inhabit the Indus River system of Pakistan and India. Over the last 150 years, numerous irrigation barrages (gated dams) that divert river water into canals have been constructed in this system. As a result, the range of Indus dolphins...

08 Feb 2017

Progress protecting Mekong River dolphins undermined by proposed dams

[caption id="attachment_2377" align="alignright" width="229"] Somany Phay, Frances Gulland, and H.E. Srun Limsong, Deputy Director General of the Fisheries Administration, Royal Government of Cambodia. Photo Credit: Peter Thomas[/caption] In January 2017 an international workshop on the Critically Endangered freshwater population of dolphins (Orcaella brevirostris) in the Mekong...

08 Jun 2016

IUCN Letter to the Indian Minister of Environment – Concern over the impact of India’s National Waterways Act on Ganges River dolphins

In early April attention was drawn to India's National Waterways Act 2016, which calls for massive reconfiguration of the Ganges and Brahmaputra river systems into inland waterways to facilitate transport cargo, coal, and industrial raw materials and to support tourism development. Given the serious implications...

25 Oct 2010

Dams and River dolphins in the Brahmaputra River

A Letter of Concern was sent from the Chair of the IUCN Species Survival Commission to the Minister of Environment and Forests in India regarding the potential impacts of five large dams on the Endangered Gangetic dolphins in the Brahmaputra River Basin, India The Gangetic...

Dams

Ganges River dolphins strongly alter their acoustic behaviour in response to underwater noise, finds study from India

Update on Mekong River dams and river dolphins

Lost Indus dolphins in the Beas River, India

Progress protecting Mekong River dolphins undermined by proposed dams

IUCN Letter to the Indian Minister of Environment – Concern over the impact of India’s National Waterways Act on Ganges River dolphins

Dams and River dolphins in the Brahmaputra River

Good News from the Zero Tolerance Area in late 2022: Less illegal gillnetting and more evidence of vaquita survival

Yet Another Threat to Taiwanese White Dolphins Is Imminent

Update on Cetacean Red List Assessments Published in 2022

Vaquita Update II: Illegal fishing continues with impunity in the area where the last vaquitas survive

Vaquita Update I: A New Totoaba Season Begins with no Assurance that Mexico Will Enforce the Gillnet Fishing Ban to Protect the Vaquita

Death of Mike Donoghue, Longtime Champion of Marine Mammals in South Pacific

In Memory of William F. (Bill) Perrin, (1938-2022)

Strong evidence of violations of vaquita Zero Tolerance Area (ZTA)

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Good News from the Zero Tolerance Area in late 2022: Less illegal gillnetting and more evidence of vaquita survival

Yet Another Threat to Taiwanese White Dolphins Is Imminent

Update on Cetacean Red List Assessments Published in 2022