At sea densities of Sandwich tern in the non-breeding season

Krigged density surfaces for Sandwich tern, in the non-breeding season. Covers UK waters and uses ESAS data.本数据集为白嘴端燕鸥（Sandwich tern）非繁殖季的克里金插值密度曲面，覆盖英国海域，采用ESAS数据。