Historic Dolphin Tagging Initiative in Assam

India has achieved a significant milestone in wildlife conservation with the first-ever satellite tagging of a Ganges River Dolphin (Platanista gangetica). Conducted in Assam, this initiative marks a major advancement under Project Dolphin, led by the Ministry of Environment, Forest and Climate Change (MoEFCC). The collaborative effort of the Wildlife Institute of India (WII), the Assam Forest Department, and the organization Aaranyak, funded by the National CAMPA Authority, aims to deepen the understanding of the species’ ecological needs, migratory patterns, and habitat use.

Key Highlights Ganges River Dolphin Tagging Initiative

First-Ever Tagging of the Species

  • This marks the first instance of satellite tagging for Ganges River Dolphins, not just in India but globally.
  • The tagging took place in Assam, where a healthy male dolphin was released back into the river under veterinary supervision.

Collaborative Effort

  • Conducted by MoEFCC in partnership with the Wildlife Institute of India (WII), Assam Forest Department, and Aaranyak.
  • Funded by the National CAMPA Authority as part of Project Dolphin.

Objectives of Tagging

  • To gather critical data on habitat needs, seasonal migratory patterns, and range of the species.
  • To address knowledge gaps in conservation strategies for this elusive aquatic mammal.

Advanced Technology in Tagging

  • Lightweight satellite tags compatible with Argos systems were used.
  • Designed to function efficiently despite the dolphin’s limited surfacing time (5-30 seconds).

Ecological Importance of Ganges River Dolphins

  • Declared India’s National Aquatic Animal, these dolphins are apex predators and serve as umbrella species for river ecosystems.
  • Nearly blind, they rely on echolocation for navigation and feeding.

Challenges in Conservation

  • Significant decline in population and distribution due to habitat fragmentation and human activity.
  • Behavioral challenges, as the species surfaces briefly, making tracking and observation difficult.

Statements from Key Leaders

  • Union Minister Bhupender Yadav highlighted the milestone as a “historic achievement” and emphasized its significance for conserving India’s National Aquatic Animal.
  • WII Director Virendra R. Tiwari stressed the importance of evidence-based conservation strategies facilitated by tagging.
  • Project investigator Dr. Vishnupriya Kolipakam underlined the broader ecological impact of protecting river dolphins for aquatic biodiversity and human livelihoods.

Future Plans

  • Extend the tagging initiative to other states within the dolphin’s range.
  • Develop a comprehensive conservation action plan through range-wide research under Project Dolphin.
Summary/Static Details
Why in the news? Historic Dolphin Tagging Initiative in Assam
Event First-ever satellite tagging of a Ganges River Dolphin
Significance – First instance of tagging for the species globally

– Major milestone under Project Dolphin

Collaborating Organizations – Ministry of Environment, Forest and Climate Change (MoEFCC)

– Wildlife Institute of India (WII)

– Assam Forest Department

– Aaranyak

Funding Authority National CAMPA Authority
Objective – Study habitat needs, seasonal and migratory patterns, and home-range dynamics

– Fill knowledge gaps for evidence-based conservation

Technology Used Lightweight satellite tags compatible with Argos systems
Species Details – National Aquatic Animal of India

– Apex predator in river ecosystems

– Relies on echolocation due to near blindness

Ecological Importance – Umbrella species for river ecosystems

– Ensures ecological balance and supports aquatic biodiversity

Challenges – Declining population due to habitat fragmentation

– Elusive behavior (brief surfacing time of 5-30 seconds)

Future Plans – Expand tagging to other states within the species’ range

– Develop a comprehensive conservation action plan under Project Dolphin

Statements from Leaders – Bhupender Yadav: “Historic milestone for the species and India.”

– WII Director: “Facilitates evidence-based conservation.”

– Dr. Kolipakam: “Vital for sustaining biodiversity.”

Shivam

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