In:
Annals of Tropical Research, Annals of Tropical Medicine, Visayas State University
Abstract:
On seven sites in Western Leyte, Philippines, different land-uses, namely reforestation with indigenous tree species (`rainforestation`), reforestation with exotic tree specie Gmelina arborea, and traditional fallow / grassland use were compared with respect to soil biological activity. Analysed parameters were Basal Respiration (BR), microbial carbon (Substrate-Induced Respiration method, SIR) and leaf litter decomposition. Correlations between BR, SIR, metabolic quotient (qCO2), soil organic carbon (Corg) soil N (NT) and pH were assessed. BR and Cmic, SIR as well as the metabolic quotient qCO2 (BR/SIR) proved to be sensitive parameters and the methods gave reproducible values to distinguish sites and land-uses in most cases. However, due to differences among fallow /grassland treatments, a uniform tendency between these and rainforestation was not observed. On the other hand, BR and Cmic SIR were significantly higher under Gmelina than under either of the other land-uses. Correlations between parameters were strongest for BR vs. Corg, and BR vs. pH as well as for Cmic SIR vs. Corg and qCO2 vs. Corg
Type of Medium:
Online Resource
ISSN:
0116-0710
DOI:
10.32945/atr2811.2006
Language:
English
Publisher:
Annals of Tropical Medicine, Visayas State University
Publication Date:
2006
detail.hit.zdb_id:
2901676-9
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