First nesting date for all populations with all possible covariates.
收藏官方服务：
资源简介：
"First Day" is the day of the year when the first nest was laid from a given population. Heating degree days (HDD) were calculated from NCDC dailys provided by the given "WeatherStation". Latitude and longitude are given for each "Site". Columns 12-24 contain climate indices summary statistics as indicated by the standardized column name abbreviations.
创建时间：
2018-01-01
