Individual-Area Relationship Best Explains Goose Species Density in Wetlands

摘要: Explaining and predicting animal distributions is one of the fundamental objectives in ecology conservation biology. Animal habitat selection can be regulated by top-down bottom-up processes, mediated species interactions. Species varying body size respond differently to determinants, hence understanding these allometric responses those determinants important for conservation. In this study, using two sized goose wintering Yangtze floodplain, we tested predictions derived from three different hypotheses (individual-area relationship, food resource disturbance hypothesis) explain spatial temporal variation densities species. Using Generalized Linear Mixed Models with a Markov Chain Monte Carlo technique, demonstrated that density was positive correlated patch area size, suggesting individual area-relationship best predicts differences densities. Moreover, other predictions, related availability disturbance, were not significant. Buffalo grazing probably facilitated greater white-fronted geese, as number buffalos positively We concluded most factor determining our study area. Patch directly determined water levels modifying hydrological regimes enlarge capacity wetlands migratory birds.