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Table 3 Summaries of generalized linear models (GLM) testing the effects of Shelduck’s population size on weekly variations of diurnal activities of the Shelduck wintering in Sabkha Djendli, northeastern Algeria

From: Are diurnal time-budgets and activity patterns density-dependent in the Shelduck (Tadorna tadorna) wintering in Algeria? An analysis across multiple temporal scales

Diurnal activity Variable Value Std. error t-value p-value Sig.
Feeding Intercept 58.417 2.053 28.46 < 0.001 ***
Density 0.001 0.001 0.86 0.405 ns
Sleeping Intercept 12.662 1.504 8.42 < 0.001 ***
Density 0.000 0.001 − 0.51 0.620 ns
Preening Intercept 7.244 1.430 5.06 < 0.001 ***
Density 0.002 0.001 2.25 0.040 *
Swimming Intercept 9.265 1.163 7.97 < 0.001 ***
Density − 0.002 0.001 − 2.20 0.044 *
Loafing Intercept 6.017 0.692 8.70 < 0.001 ***
Density 0.000 0.000 − 0.26 0.797 ns
Courtship Intercept 1.255 0.507 2.48 0.026 *
Density 0.000 0.000 − 0.09 0.933 ns
Antagonism Intercept 1.587 0.245 6.48 < 0.001 ***
Density 0.000 0.000 − 1.01 0.327 ns
Flying Intercept 3.101 0.493 6.29 < 0.001 ***
Density 0.001 0.000 1.36 0.193 ns
  1. Sig. statistical significance
  2. *** p < 0.001, * p ≤ 0.05, nsp > 0.05