Skip to main content

Advertisement

Table 3 Mean values of environmental variables in small and large artificial ponds following tadpole assemblages

From: The effects of physicochemical variables and tadpole assemblages on microalgal communities in freshwater temporary ponds through an experimental approach

Ponds Depth (cm) pH Ec (μS.cm −1 ) Visibility (cm) NO 3 (mg.L −1 ) PO 4-P (mg.L −1 ) NH 4 + (mg.L −1 )
Small artificial ponds (n = 75)
ABCD 29.92 7.09 13.78 12.08 0.97 0.18 0.05
ABC 29.87 7.09 10.06 14.75 0.44 0.25 0.12
ABD 29.28 7.08 12.30 14.46 0.64 0.14 0.08
ACD 29.57 7.17 11.26 12.94 0.56 0.20 0.11
BCD 29.57 7.11 12.07 20.74 0.67 0.18 0.15
BC 29.66 7.29 5.62 15.38 1.19 0.40 0.07
BD 29.37 7.33 5.67 21.25 0.88 0.18 0.11
CD 30.11 7.32 5.53 18.68 0.79 0.33 0.07
sd 0.10 0.04 1.21 1.24 0.08 0.03 0.01
Large artificial (n = 75)
ABCD 41.83 7.53 8.29 12.07 1.46 0.15 0.06
ABC 37.73 7.23 9.31 8.06 2.03 0.24 0.08
ABD 46.31 7.12 2.80 8.00 0.87 0.11 0.03
ACD 38.99 7.16 8.60 6.47 2.33 1.82 0.05
BCD 39.10 7.39 7.53 11.33 2.80 0.60 0.06
sd 1.53 0.08 1.16 1,07 0.34 0.32 0.01
  1. EC: Conductivity; A: Hoplobatrachus occipitalis; B: Kassina fusca; C: Ptychadena bibroni; D: Phrynomantis microps. n: sample size; sd: standard deviation.