Distribution of the critically endangered javan blue-banded kingfisher Alcedo euryzona along the Welo River flow in the Petungkriyono forest

This research was aimed to determine the ecological factors that can affect the distribution of Alcedo euryzona and its relationship with the quantification of human anthropogenic activities in the vicinity. The research was conducted using the point count method with 7 observation points along the Welo River (±5,096 km). Based on the analysis, the distribution pattern of Alcedo euryzona is uniformly based on Morisita's index with a value of l_p< 0 (-0,033). Whereas the relationship between the existence of species and anthropogenic activity based on hypothesis test in binary logistic analysis partially has no significant effect with a value > 0,05 (0,999). The ecological factors that influence the existence of the species include river shoulders, temperature, and altitude.