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Table 5 Effect of food density and disturbances on the foraging behavior of the Hooded Crane during three winter stages

From: Shifts in foraging behavior of wintering Hooded Cranes (Grus monacha) in three different habitats at Shengjin Lake, China

Period Factors Rate of foraging success Foraging effort
F p F p
Early stage Food density 0.520 0.989 0.762 0.832
  Disturbance 0.293 0.746 0.266 0.767
  Density × disturbance 0.319 1.000 0.823 0.780
Middle stage Food density 2.013 0.010** 1.093 0.394
  Disturbance 1.846 0.161 0.898 0.409
  Density × disturbance 0.208 1.000 0.943 0.604
Late stage Food density 25.677 0.003** 1.172 0.502
  Disturbance 3.152 0.050* 0.027 0.974
  Density × disturbance 7.907 0.000*** 0.575 0.928
All stages Food density 0.976 0.588 1.032 0.431
  Disturbance 0.442 0.643 0.179 0.836
  Density × disturbance 0.419 1.000 0.933 0.674
  1. Samples: n = 341 at all stages, n = 125 at the early stage, n = 157 at the middle stage, n = 59 at the late stage
  2. * 0.01 < p < 0.05; ** 0.001 < p < 0.01; *** p < 0.001