parameter | density of larvae (DOL) | density of nymphs (DON) | density of infected nymphs (DIN) | nymphal infection prevalence (NIP) | |
---|---|---|---|---|---|
random effect variance and standard deviation | |||||
plot | σ_{plot} | 0.09 (0.30) | 0.091 (0.31) | 2.09e6 (1.5e2) | 0.11 (0.33) |
year | σ_{year} | 0.01 (0.12) | 0.023 (0.15) | 0.52 (0.72) | 0.10 (0.31) |
fixed effects estimates (z-values), standard deviation and significance level | |||||
intercept | α | 6.36 (40.52)*** | 4.63 (27.99)*** | 1.47(0.22)*** | −2.73 (−11.71)*** |
experiment | β_{1} | −0.28 (−1.73) | 0.06 (0.36) | 0.53 (0.04)* | 0.37 (1.72) |
period | β_{2} | −0.51 (−4.37)*** | 0.31 (1.76) | 0.45 (0.16) | −0.87 (−2.08)* |
site | β_{3} | 0.02 (0.16) | −0.02 (0.17) | 0.30 (0.23) | n.a. |
experiment × period | β_{4} | 0.45 (17.83)*** | −0.33 (5.77)*** | −1.28(0.43)** | 0.11 (0.38) |
predicted delta effect size (removal plots−control plots) | |||||
no. per plot | no. per plot | no. per plot | per cent infection | ||
δ effect size | 171.01*** | −14.06*** | −4.30*** | 1.28 |
*p < 0.05.
**p < 0.01.
***p < 0.001.