Individual variation in spawning migration timing in a salmonid
fish—exploring roles of environmental and social cues
Michio Fukushima1* and Peter S.
Rand2
1Biodiversity Division, National Institute for
Environmental Studies, Onogawa 16-2, Tsukuba, Ibaraki 305-8506, Japan
2Prince William Sound Science Center, 1000 Orca Road.,
PO Box 705 Cordova, AK 99574, USA
* Correspondence
Michio Fukushima
Email: michio@nies.go.jp