Do Termites Produce Greenhouse Gases?
Termites produce large amounts of methane and carbon dioxide. The amount of methane released by termites varies widely between species. Some species don’t produce any methane at all. Others produce only small amounts. The methane released by termites can have a major impact on the environment.
Methane is a greenhouse gas, but the amount of methane released by termites is relatively small. It is produced through a process known as methanogenesis, which occurs in the hindgut of termites. A large part of the methane released by termites is broken down before it enters the atmosphere.
The amount of methane emitted by termites varies greatly between seasons. They tend to prefer temperatures above 10 degrees Celsius above the ambient air temperature. This temperature increase can lead to an increase in the CH4 emissions by as much as 30 to 200%.
Termites are known to produce one to three percent of the global methane emissions. This contribution is estimated to be less than 10 Tg per year.
Scientists are attempting to quantify the amount of methane emitted by different species of termites. They are also trying to find out how termites remove the methane before it is emitted into the atmosphere. These processes are important for understanding the dynamics of termites’ methane cycle.
To determine the amount of methane emitted, researchers took soil samples at depths of between 1 and 20 meters from termite nests. These samples were used to calculate the methane and CO2 flux rates.