9Gadomski D M, Barfoot C A. 1998. Diel and distributional abundance patterns of fish embryos and larvae in the lower Columbia and Deschutes rivers [J]. Environmental Biology of Fishes, 51(4) :353-368.
10Zitek A, Schmutz S, Ploner A. 2004. Fish drift in a Danube sidearm-system: Ⅱ. Seasonal and diurnal patterns [J]. Journal offish biology, 65(5):1339-1357.