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- Title
Termites as a factor of spatial differentiation of CO fluxes from the soils of monsoon tropical forests in southern Vietnam.
- Authors
Lopes de Gerenyu, V.; Anichkin, A.; Avilov, V.; Kuznetsov, A.; Kurganova, I.
- Abstract
Annual dynamics of CO fluxes from soils and the impact of the living activity of termites on them were studied in plain lagerstroemia semideciduous monsoon tropical forests of southern Vietnam. On the plot populated by Globitermes sulphureus and Odontotermes termites, a detailed study of the spatial heterogeneity of the CO emission from the surface of soil and termite mounds was performed in the wet and dry seasons. It was found that the average rate of the CO emission from termite mounds was two times and more higher than that from the background soil surface. In the dry season, it comprised 91 ± 7 mg C/m per h from the background soil and 196 ± 16 mg C/m per h from the termite mounds. In the wet season, the CO emission rate was considerably higher and reached 266 ± 40 and 520 ± 39 mg C/m per h, respectively. The maximum rates of CO fluxes were determined in the wet season in some of the measurement chambers installed on termite mounds; they reached 730-880 mg C/m per h. Though termite mounds occupy about 4% of the area of tropical forest ecosystems, the overall effect of termites on the carbon budget was more significant; according to our estimates, it reached up to 10% of the total efflux of CO from the soil surface.
- Subjects
LAGERSTROEMIA; TROPICAL dry forests; TERMITES; CARBON dioxide; ODONTOTERMES
- Publication
Eurasian Soil Science, 2015, Vol 48, Issue 2, p208
- ISSN
1064-2293
- Publication type
Article
- DOI
10.1134/S1064229315020088