6Arfi R. 2003. The effects of climate and hydrology on the trophic status of S61ingu6 Reservoir, Mali, West Africa [ J ]. Lake and Reservoir: Research and management, 8:247 -257.
7Danilov R, Ekelund NGA. 1999. The eficiency of seven diversi- ty and one similarity indices based on phytoplankton data for assessing the level of eutrophication in lakes in central Sweden[ J]. Science of the Total Environment, 234:15 - 23.
8Dos Santos A C A, Calijur M C. 1998. Survival strategies of some species of the phytoplankton community in the Barra Bonita Reservoir ( SaoPaulo, Brazil) [ J]. Hydrobiologia, 445 : 139 - 152.
9Gomes L C, Miranda L E. 2001. Hydrologic and climatic re- gimes limit phytoplankton biomass in reservoirs of the Up- per ParanO River Basin, Brazail [ J ]. Hydrobiologia, 457 : 205 - 214.
10Horn H. 2003. The relative importance of climate and nutrients in controlling phytoplankton growth in Saidenbach Reservoir [ J]. Hydrobiologia, 504 : 159 - 166.
