Figure 2

Fixed-effect predictions, with the associated 95% confidence intervals (blue, red or grey shaded), for the relationships between the predation rates of Poa annua on weed seed cards and the log-transformed activity-density (AD) of: (a) all-occurring carabid species; (b) seed-eating; (c) granivore; and, (d) omnivore carabids. Where the interaction between the AD of carabids and the session was significant, we present the relationships for the two sampling sessions (blue = session 1 (n = 58); red = session 2 (n = 58)), and we indicate whether the slope was different from 0 (P value for each session). For non-significant interactions, a single relationship is presented (black = session 1 & 2 (n = 116)).