Collaborative Research: ULTRA-Data: Harmonizing at-sea seabird surveys at three marine LTER sites to uncover community responses from the subarctic to Antarctic

Use and reuse of long-term ecological data is needed for understanding how biological communities are responding to a changing world. In marine environments, key data includes large-scale patterns such as El Niño, ocean conditions such as sea surface temperature and winds, and biological data such as the distribution and abundance of food…