Table 2 Parameter estimates from categorical type II (see Eq. 2 in the text) and flexible (Eq. 3) functional responses for the treatments without and with substrate and large vs. small C. elegans prey. Data are the original maximum likelihood estimates ± SE and the p-values.
without substrate | with substrate | ||||
|---|---|---|---|---|---|
small prey | large prey | small prey | large prey | ||
type II (Eq. 2) | attack rate | 2.686 ± 0.142 (p < 0.001) | 2.343 ± 0.201 (p < 0.001) | 3.104 ± 0.195 (p < 0.001) | 1.893 ± 0.142 (p < 0.001) |
handling time | 0.001 ±< 0.001 (p < 0.001) | 0.005 ±< 0.001 (p < 0.001) | 0.002 ±< 0.001 (p < 0.001) | 0.003 ±< 0.001 (p < 0.001) | |
flexible (Eq. 3) | search coefficient | 0.173 ± 0.059 (p = 0.003) | 0.814 ± 0.402 (p = 0.043) | 0.781 ± 0.285 (p = 0.006) | 0.433 ± 0.172 (p = 0.012) |
handling time | 0.003 ±< 0.001 (p < 0.001) | 0.006 ± 0.001 (p < 0.001) | 0.003 ±< 0.001 (p < 0.001) | 0.004 ±< 0.001 (p < 0.001) | |
scaling exponent | 0.739 ± 0.087 (p < 0.001) | 0.362 ± 0.166 (p = 0.029) | 0.426 ± 0.11 (p < 0.001) | 0.438 ± 0.114 (p < 0.001) | |
