MOESM2 of Revealing the full ocean migration of individual Atlantic salmon

Additional file 2: Figure S2. Example of daily light curves from a tag attached to an Atlantic salmon (ID = 1257) for days with A) reasonable longitude estimate, B) inaccurate longitude estimate due to polar day, C) inaccurate longitude estimate due to insufficient light levels during polar night, and D) inaccurate longitude estimate due to erroneous sunrise and sunset estimates. Stippled grey vertical lines depict estimated sunrise and sunset, and solid blue lines depict estimated noon.