4Van D E, Gulati R D, Iedema A, et al. Macrophyte - related shifts in the nitrogen and phosphorus contents of the different trophic levels in a biomanipulated shallow lake [ J ]. Hydrobiologia, 1993,251 ( 1/2/ 3) :19 -26.
5James W F, Barko J W. Macrophyte influences on the zonation of sediment accretion and composition in a north - temperate reservoir [ J ]. Archiv Fuer Hydrobiologie, 1990,120 (2) : 129 - 142.
6Kristensen P,Sondergaard M,Jeppesen E. Resuspension in a shallow eutrophic lake[ J]. Hydrobiologia, 1991,228 ( 1 ) : 101 - 109.
7Hamilton D P,Mitchell S F. An empirical model for sediment resus- pension in shallow lakes[J]. Hydrobiologia,1996,317(3) :2139 -220.