Zhiqiang Su, Shanghai Jiao Tong University, School of Oceanography, Shanghai, China, Meng Zhou, Shanghai Jiao Tong University, Institute of Oceanography, Shanghai, China, Yiwu Zhu, Shanghai Jiao Tong University, China, Boris Espinasse, University of Nordland, Faculty of Biosciences and Aquaculture / Marine Ecology Group, Postboks 1490 8049 Bodø, Norway and Elliott L. Hazen, NOAA Southwest Fisheries Science Center, Environmental Research Division, Monterey, CA, United States