Environment & Ecology · Methane Emissions
Which of the following mechanisms accurately explains how termites function as a natural source of atmospheric methane emissions?
- 1They harbor specific gut bacteria that produce methane during digestion, which is subsequently exhaled or emitted from their mounds.✓
- 2They create anaerobic, oxygen-depleted conditions in waterlogged soil that actively promote environmental methanogenesis.
- 3They emit methane as a biological byproduct of microbial nitrification and denitrification processes within their habitats.
- 4They facilitate the breakdown of organic carbonaceous aerosols, directly releasing trapped methane gases into the atmosphere.
Correct answer
They harbor specific gut bacteria that produce methane during digestion, which is subsequently exhaled or emitted from their mounds.
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