Skip to main content

Table 6 Post-hoc contrasts associated with our best-supported model of Bewick’s Swan time spent on aggression

From: Aggressive behavioural interactions between swans (Cygnus spp.) and other waterbirds during winter: a webcam-based study

Contrast Estimate SE t ratio P value
T(A.M.):W(2018/2019) − T(Mid):W(2018/2019) 0.29 0.29 1.02 0.912
T(A.M.):W(2018/2019) − T(P.M.):W(2018/2019) – 0.32 0.24 – 1.35 0.756
T(A.M.):W(2018/2019) − T(A.M.):W(2019/2020) – 0.27 0.66 – 0.41 0.999
T(A.M.):W(2018/2019) − T(Mid):W(2019/2020) – 0.63 0.46 – 1.38 0.739
T(A.M.):W(2018/2019) − T(P.M.):W(2019/2020) 2.01 0.81 2.49 0.131
T(Mid):W(2018/2019) − T(P.M.):W(2018/2019) – 0.61 0.28 – 2.21 0.239
T(Mid):W(2018/2019) − T(A.M.):W(2019/2020) – 0.56 0.67 – 0.84 0.961
T(Mid):W(2018/2019) − T(Mid):W(2019/2020) – 0.93 0.48 – 1.93 0.388
T(Mid):W(2018/2019) − T(P.M.):W(2019/2020) 1.71 0.82 2.10 0.293
T(P.M.):W(2018/2019) − T(A.M.):W(2019/2020) 0.05 0.65 0.08 1.000
T(P.M.):W(2018/2019) − T(Mid):W(2019/2020) – 0.31 0.45 – 0.70 0.982
T(P.M.):W(2018/2019) − T(P.M.):W(2019/2020) 2.33 0.80 2.91 0.045
T(A.M.):W(2019/2020) − T(Mid):W(2019/2020) – 0.37 0.76 – 0.48 0.997
T(A.M.):W(2019/2020) − T(P.M.):W(2019/2020) 2.27 1.01 2.25 0.217
T(Mid):W(2019/2020) − T(P.M.):W(2019/2020) 2.64 0.90 2.95 0.040
  1. Parameters are as defined in Table 4. Statistically significant contrasts are in italics