5Wells B K, Bath G E, Thorrold S R, et al. Incorportation of strontium, cadmium, and barium in juvenile spot scales re- flects water chemistry[J]. Can J Fish Aquat Sci, 2000, 57(10): 2122-2129.
6Gillanders B M. Otolith chemistry to determine movements of diadromous and freshwater fish[J]. Aquat Living Resour, 2005, 18(3): 291-300.
7Arai T, Yang J, Miyazaki N. Migration flexibility between freshwater and marine habitats of the pond smelt Hypomesus nipponensis[J]. J Fish Biol, 2006, 68(5): 1388-1398.
8Arai T, Goto A, Miyazaki N. Migratory history of the threespine stickleback Gasterosteus aculeatus[J]. Ichthyol Res, 2003, 50(1): 9-14.
9Secor D H, Rooker J R. Is otolith strontium a useful scalar of life cycles in estuarine fishes?[J]. Fish Res, 2000, 46(1-3): 359-371.
10Tsukamoto K, Nakai I, Tesch W V. Do all freshwater eels migrate? [J]. Nature, 1998, 396(6712): 635-636.
