Details of migration behaviour based on historical data (1939–1973) and recent data (2002–2015).
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https://figshare.com/articles/dataset/Details_of_migration_behaviour_based_on_historical_data_1939_1973_and_recent_data_2002_2015_/10060835
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资源简介：
The numbers in parentheses are the recovered fraction of the marked population, calculated for each gender. Short distances are distances less than 50 km between the summer and winter roost, long distances are more than 50 km.
创建时间：
2019-10-28
