Table 1 Summary of the Effect Time (ETx) for survival (LTx) and reproduction for Enchytraeus crypticus in control conditions in LUFA 2.2 soil at two different organisms’ densities (1 organism (D1) and 20 organisms (D20)).

From: Shorter lifetime of a soil invertebrate species when exposed to copper oxide nanoparticles in a full lifespan exposure test

  Survival
LT10 LT20 LT50 LT80 Model & parameters
D1 62 92 145 183 Threshold 2P
(49 < CI < 81) (80 < CI < 103) (137 < CI < 152) (171 < CI < 194) (S:0.007; Y0:9.2)
D20 26 72 162 227 Threshold 2P
(14 < CI < 39) (63 < CI < 80) (157 < CI < 167) (219 < CI < 235) (S:0.004; Y0:200)
  Reproduction
ET 10 ET 20 ET 50 ET 80 Model & parameters
D1 97 117 155 182 Threshold 2P
(78 < CI < 117) (102 < CI < 131) (142 < CI < 168) (160 < CI < 204) (S:0.010; Y0:100)
D20 204 218 242 267 Logistic 2P
(180 < CI < 229) (201 < CI < 236) (23 < CI < 254) (249 < CI < 285) (S:0.014; Y0: 29.3)
  1. 95% Confidence Intervals (CI) are shown in brackets.