1. Biology Department, Woods Hole Oceanographic Institution, Woods Hole, Massachusetts 02543, USA;
2. School of Aquatic and Fishery Sciences, University of Washington, Seattle, Washington 98195, USA
3. Air–Sea Interaction and Remote Sensing Department, Applied Physics Laboratory, University of Washington, Seattle, Washington 98105, USA
4. Institute of Environment, Department of Biological Sciences, Florida International University, Miami, Florida 33181, USA
5. Okeanos and Institute of Marine Research, University of the Azores, 9901-862 Horta, Portugal