Study on the Impact of"Fishery and Photovoltaic"on Phytoplankton Community in Reservoirs
;In order to reveal the effect of"fishery and photovoltaic"on the phytoplankton community in eutrophic water bodies,this study took the upper Huanhu lake and Fenglin reservoir(both with photovoltaic panels),and the lower Huanhu lake and Xitan reservoir(both without photovoltaic panels)as the research objects,and analyzed the effect of photovoltaic panels on the change of phy-toplankton population structure in the reservoir through field survey and sampling.The results showed that all four reservoirs were in eutrophication.After the installation of photovoltaic panels,the density and biomass of phytoplankton increased,but the effect on phytoplankton species and a-bundance was small.The PV panels had a greater impact on the characteristics of phytoplankton,and the Shannon diversity index and evenness index of phytoplankton were significantly increased.The reason for this phenomenon is mainly due to PV panels shading from direct sunlight and slowing down the cooling of the water column,and favoring the growth and reproduction of phytoplankton un-der eutrophic conditions.
fishery and light complementaryreservoirsphytoplanktondensity
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