| [clutch size, nesting success and breeding success rate in emberiza jankowskii in the grassland at baicheng in jilin province]. | in this article, clutch size, nesting success and breeding success rate of emberiza jankowskii living in grassland habitats in baicheng region of jilin province were studied from may to july in 1999. the results showed average clutch size was 5.09 +/- 0.58 eggs per nest. there was negative correlation between clutch size and initial laying date, brood quantity and initial laying date, clutch size and fresh egg weight. there was exceedingly negative correlation between initial laying date and inc ... | 2002 | 12132153 |