College of Marine Science and Biological Engineering;
Qingdao University of Science and Technology;
Qingdao 266042;
China;
Yellow Sea Fisheries Research Institute;
Chinese Academy of Fishery Sciences;
Qingdao 266071;
China;
Function Laboratory for Marine Fisheries Science and Food Production Processes;
Pilot National Laboratory for Marine Science and Technology(Qingdao);
Qingdao 266237;
China;
green algae; Ulva mutabilis; positive selection; adaptive evolution;