Table 1 Emission rates of hydrogen and methane normalized to individual termite weight

C. formosanus

0.139 ± 0.031

0.204 ± 0.029

R. speratus

0.056 ± 0.008

0.451 ± 0.077

I. minor

0.026 ± 0.002

ND

Z. nevadensis

0.024 ± 0.002

0.052 ± 0.002