Research Article

Properties of Arboreal Ant and Ground-Termite Nests in relation to Their Nesting Sites and Location in a Tropical-Derived Savanna

Table 3

Interaction effects of soil engineers’ nesting substrates (sites) and soil locations on the values of some soil properties of biogenic structures and their adjacent soils.

Soil engineerNesting siteSoil locationAWC1 (%) DRCalgon dispersedWater dispersed
ClayClay + siltSiltClayClay + siltSilt

AntC. nitida Adj. soil30.3a0.65a6.5a12.0a5.6a7.2a7.8a0.56a
B. structure54.2a0.68a19.6a13.0a15.6b23.2a27.8a4.56a
AntI. gabonensisAdj. soil31.0a0.68a6.5a13.0a6.6a7.2a8.8a1.56a
B. structure29.7a0.74a26.5a55.0a28.6c34.2a40.8a6.56a
AntM. indica Adj. soil40.0a0.75a14.5a33.0a13.6ab15.2a20.8a6.06a
B. structure83.9a0.75a21.5a37.0a15.5b17.2a28.8a11.56a
AntN. leavis Adj. Soil36.2a0.63a6.5a15.0a8.6a7.2a8.8a1.56a
B. structure50.9a0.77a16.6a35.0a13.6ab13.7a30.8a9.56a
AntP. macrophylla Adj. soil39.9a0.73a13.5a23.0a9.6ab11.2a16.7a5.56a
B. structure53.5a1.60a18.5a32.0a13.6ab32.2a50.8a8.56a
TermiteGroundAdj. soil38.4a0.72a11.5a20.0a8.6ab9.2a13.8a4.56a
B. structure50.8a0.70a16.5a25.0a8.6ab12.2a17.8a5.56a
-value 0.92 2.44 0.68 2.62 3.75 0.550.89 2.14
d.f. 5 5 5 5 5 5 5 5
value 0.489 0.066 0.641 0.053 0.013 0.737 0.5020.099

AWC: available water capacity; DR: dispersion ratio; B. structure: biogenic structure; Adj. soil: adjacent soil.
1Results of angular transformed data presented in the original scale.
Values within a column followed by the same letter are not significant different.