Table 2. Parameter (Slope) estimates of explanatory variables from the GLMs on the abundance of groups of vertebrates in the eastern Brazilian Amazon.
Groups | Canopy Openness | Altitude | Basal area | Distance to large rivers | Distance to stream | Model | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Slope (SE) a | Z value | Slope (SE) a | Z value | Slope (SE) a | Z value | Slope (SE) a | Z value | Slope (SE) a | Z value | DE (%) b | AIC c | |
All birds | -0.174 (0.078) | -2.21* | 0.002 (0.003) | 0.71† | 0.095 (0.067) | 1.40† | -0.203 (0.093) | -2.18* | -0.000 (0.000) | -1.76† | 15.27 | 190.39* |
Birds (Cracidae + Psophiidae) | -0.186 (0.089) | -2.09* | 0.020 (0.010) | 1.95† | 0.190 (0.084) | 2.25* | -0.169 (0.112) | -1.51† | -0.001 (0.000) | -2.26* | 11.90 | 266.70** |
Ungulates d | 0.071 (0.067) | 1.05† | -0.006 (0.003) | -1.79† | -0.012 (0.072) | -0.16† | -0.025 (0.082) | -0.31† | 0.000 (0.000) | 2.61** | 11.79 | 185.91† |
Large bodied felids e | -0.476 (0.242) | -1.96* | -0.079 (0.035) | -2.25* | 0.146 (0.148) | 0.98† | 0.276 (0.223) | 1.23† | 0.002 (0.001) | 1.61† | 23.41 | 110.59* |
All felids | -0.239 (0.161) | -1.48† | -0.019 (0.008) | -2.45* | 0.305 (0.131) | 2.32* | 0.001 (0.175) | 0.00† | 0.000 (0.000) | 0.85† | 29.59 | 91.68* |
All rodents | -0.034 (0.077) | -0.44† | -0.029 (0.008) | 3.39*** | 0.092 (0.072) | 1.27† | -0.846 (0.103) | -8.20*** | -0.002 (0.000) | -8.71*** | 39.78 | 445.62*** |
Significance values: †not significant, *p <0.05, **p<0.01, ***p<0.001.
a Slope for variables and Standard Error (SE);
b Percentage of Deviance Explained for each model (DE (%));
c Akaike Information Criterion value for each model (AIC);
d Includes all Artiodactyla and Perissodactyla recorded in the study area.
e Includes only large-bodied felids (Puma concolor and Panthera onca).