The detailed methods of data collection and history data of Changxing population from Male density, a signal for population self-regulation in <i>Alligator sinensis</i> Lan Zhao Li-Ming Fang Qiu-Hong Wan Sheng-Guo Fang 10.6084/m9.figshare.7905977.v1 https://rs.figshare.com/articles/journal_contribution/The_detailed_methods_of_data_collection_and_history_data_of_Changxing_population_from_Male_density_a_signal_for_population_self-regulation_in_i_Alligator_sinensis_i_/7905977 Supplementary methods S1: The methods related with number count, incubation, identification of fertilised eggs, sex, and age, and data selection. Supplementary table S1: The population events and breeding situation in each of the evaluated years. Supplementary table S2: The calculated age structure of the Chinese alligator (Alligator sinensis) sub-population in areas C and C1. 2019-03-28 04:24:23 male density dependence population regulation population dynamics Chinese alligator reptile density stress