EnvironmentTuesday, 15 September 2026·The Hindu - National

Bamboo mass flowering can trigger ecological crisis, invasive weeds and human-elephant conflict

A KFRI study warns that bamboo flowering and die-off can cause invasive weeds, rodent outbreaks and human-elephant conflict in forest landscapes.

Key highlights

Direct fact

In 2026, a study by Dr. T.V. Sajeev of the Kerala Forest Research Institute in Peechi, Thrissur, warned that synchronous bamboo flowering and die-off across forest landscapes can trigger ecological shocks in the Western Ghats.

Key specifics

  • The study was published in Frontiers in Ecology and Evolution.
  • Bamboo flowering can occur after intervals of 40 to more than 120 years.
  • Dense bamboo stands allow only 2% to 5% of photosynthetically active radiation to reach the understory.
  • Invasive species named in the study include Senna spectabilis, Mikania micrantha and Lantana camara.
  • The study links bamboo die-off to rodent outbreaks, human-elephant conflict and risks such as scrub typhus and hantaviruses.

Exam lens

Question type: Environment and ecology, monocarpic life cycle, invasive species, Western Ghats, human-elephant conflict, 40-120 years, 2%-5% light penetration. TNPSC may ask which invasive species and which wildlife conflict were highlighted.

bambooWestern Ghatsinvasive specieshuman elephant conflictecology

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