Year Time of G. przewalskii population migration into the lower boundary of the traditional spawning reach of each river Time of G. przewalskii population migration into the lower boundary of the traditional spawning reach of each river Time of G. przewalskii population migration into the lower boundary of the traditional spawning reach of each river Larval flux of G. przewalskii migration from each river into Qinghai Lake (×108) Larval flux of G. przewalskii migration from each river into Qinghai Lake (×108) Larval flux of G. przewalskii migration from each river into Qinghai Lake (×108)
Buha Quanji Shaliu Buha Quanji Shaliu
2014 4-Jun 4-Jun
2015 2-Jun 2-Jun
2016 2-Jun 2-Jun
2017 6-Jun 6-Jun
2018 29-May 3-Jun 3.91 0.37 0.38
2019 4-Jun 3-Jun 3-Jun 2.82 0.16 0.86
2020 14-Jun 11-Jun 11-Jun 0.44 0.09 0.06