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Abstract

Ecology of macrophytic vegetation in Kunjwani Pond, Jammu.

Abstract

Field studies, conducted between Apr. 1989 and Mar. 1990, revealed the presence of the following 7 aquatic macrophytes in Kunjwani Pond: 3 submerged species (Potamogeton crispus, Nitella mucronata and Ruppia maritima), 3 floating species (Azolla pinnata, Lemna minor and Wolffia arrhiza) and 1 emergent plant (Aponogeton natans). The total biomass of submerged species was greater than that of the floating plants. All species, except for L. minor which was present throughout the year, showed seasonal fluctuations in biomass. Submerged and floating plants exhibited an inverse seasonal relationship, with the former being absent or present in only trace amounts in Aug.-Sep., and the latter in Dec.-Feb.