[ report an error in this record ] Gill, Mike Institute Datasets (2) Government of Canada; Polar Knowledge Canada, more Direct contact at institute: E-mail: Data [show] Barry T, Helgason H (2016). Arctic Species Trend Index (ASTI) : Freshwater. Version 1.2. Conservation of Arctic Flora and Fauna. Occurrence dataset, more Arctic Species Trend Index (ASTI) : Marine, more
