Activity-density and spatial distribution of termites on a fine-scale in a tropical rainforest in Xishuangbanna, southwest China
Myo Thant , Xiaobing Lin , Anjana J. Atapattu , Min Cao , Shang-wen Xia , Shengjie Liu , Xiaodong Yang
Soil Ecology Letters ›› 2023, Vol. 5 ›› Issue (1) : 169 -180.
Activity-density and spatial distribution of termites on a fine-scale in a tropical rainforest in Xishuangbanna, southwest China
● Strong associations among soil-wood feeders and fungus growers were observed. ● Weak associations between litter feeders and other feeders were observed. ● TPI and pH had effects on all feeding groups of termites. ● Plant biomass influenced soil-wood feeders and wood feeders. ● Litter mass influenced fungus growers, litter feeders, and soil feeders.
The community composition and activity-density of termites can influence nutrient cycling and other ecological functions. However, the spatial distribution and the activity-density of termites on a fine-scale in tropical forests are still unknown. We checked the spatial distribution patterns of the feeding groups and species of termites and their co-occurrence pattern in a 1-ha (100 m × 100 m) plot, and their correlation with the environmental factors. We used a standard protocol to collect termite assemblages and classified them into five feeding groups based on their preferred diet: fungus growers, litter feeders, soil feeders, soil-wood feeders, and wood feeders. We measured the environmental factors: soil pH, litter mass, aboveground plant biomass, and topographic position index (TPI). Soil-wood feeders showed the highest activity-density, followed by wood feeders, fungus growers, soil feeders, and litter feeders. Soil-wood feeders and fungus growers demonstated a strong correlation while litter feeders showed weak correlations with other feeding groups. Termite feeding groups and most of the termite species displayed a positive association with the high TPI and the low soil pH patches. Our results indicated that the examined environmental factors influenced the termite community assemblages and distribution patterns on a fine-scale in tropical rainforests.
Competition / Co-occurrence / Feeding groups / Fine-scale / Spatial distribution / Tropical rainforest
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Higher Education Press
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