STUDIES ON THE BREEDING ECOLOGY OF THE LONG-TAILED ROSEFINCH Aggregated distribution of Anser indicus nest in Bayinbuluke of Tianshan Mountains and its breeding ecology THE BREEDING ECOLOGY OF GREAT REED WARBLER Breeding Ecology of Jankowski′s Bunting in the Dry Grassland in Baicheng, Jilin Province Ecological study on the breeding of ricefield eel (Monopterus albus) Study on the breeding ecology of Cuora trifasciata Ecological differentiation between two breeding populations of Megalobrama hoffmanni in the Pearl River based on hydro-acoustic research