Dataset of wetland plants and soil carbon, nitrogen, phosphorus, and trace elements under different hydrological conditions in Poyang Lake

This dataset consists of a directory of wetland plants in survey plots, individual plant numbers, aboveground and underground biomass of plants, soil carbon, nitrogen, phosphorus, potassium, sodium, calcium, magnesium, iron, manganese, and zinc content, and daily water level records of 21 plots in 5 sheets.