Impact of Human Disturbance on Elephants

Article Summary

A study highlighted that elephants in fragmented landscapes with anthropogenic disturbances show elevated adrenal activity and reduced metabolic rates as a response to stress.
The research, titled ‘Physiological responses in free ranging Asian elephant populations living across human-production landscapes,’ assessed physiological stress through faecal glucocorticoid metabolites (fGCM) and metabolic states via faecal triiodothyronine (fT3) in three populations of Asian elephants.
Central Indian elephants in fragmented habitats exhibited higher fGCM and lower fT3 levels compared to Northern and previously studied Southern populations, indicating poorer health associated with anthropogenic stress.
Aggressive human measures, such as ‘hula parties’ to deter elephants in Central India, are linked to increased elephant-human conflicts, resulting in unnatural deaths for both elephants and humans.
The free-ranging elephant population in India is estimated to be between 27,000 to 30,000, distributed across Northeastern, Northwestern, Central, and Southern regions, where the habitat fragmentation and human interactions differ significantly.
Elephants in South Bengal face high levels of negative human interaction, emphasizing the pressing need for managing elephant-human cohabitation effectively to ensure the species' well-being in disturbed landscapes.

Key Terms & Concepts

Elephants	Subject of physiological study
fGCM	Measuring physiological stress levels
fT3	Measuring metabolic states
Scientific Reports	Journal for published study
Central India	Study location with high stress
Northeastern India	Study location with lower stress
27,000 to 30,000	Estimated elephant population in India
hula parties	Human intervention method
Southern West Bengal	Fragmented elephant habitat area
Published - September 28, 2025	Publication date of study
Raman Sukumar	Contributing ecologist

Article Summary

A study highlighted that elephants in fragmented landscapes with anthropogenic disturbances show elevated adrenal activity and reduced metabolic rates as a response to stress.
The research, titled ‘Physiological responses in free ranging Asian elephant populations living across human-production landscapes,’ assessed physiological stress through faecal glucocorticoid metabolites (fGCM) and metabolic states via faecal triiodothyronine (fT3) in three populations of Asian elephants.
Central Indian elephants in fragmented habitats exhibited higher fGCM and lower fT3 levels compared to Northern and previously studied Southern populations, indicating poorer health associated with anthropogenic stress.
Aggressive human measures, such as ‘hula parties’ to deter elephants in Central India, are linked to increased elephant-human conflicts, resulting in unnatural deaths for both elephants and humans.
The free-ranging elephant population in India is estimated to be between 27,000 to 30,000, distributed across Northeastern, Northwestern, Central, and Southern regions, where the habitat fragmentation and human interactions differ significantly.
Elephants in South Bengal face high levels of negative human interaction, emphasizing the pressing need for managing elephant-human cohabitation effectively to ensure the species' well-being in disturbed landscapes.

Key Terms & Concepts

Elephants	Subject of physiological study
fGCM	Measuring physiological stress levels
fT3	Measuring metabolic states
Scientific Reports	Journal for published study
Central India	Study location with high stress
Northeastern India	Study location with lower stress
27,000 to 30,000	Estimated elephant population in India
hula parties	Human intervention method
Southern West Bengal	Fragmented elephant habitat area
Published - September 28, 2025	Publication date of study
Raman Sukumar	Contributing ecologist

Article Summary