Impact of submerged plants on ecosystem health of the plant-dominated Baiyangdian Lake, China

F. Xu, Z.F. Yang, B. Chen and Y.W. Zhao

Ecological Modelling, 2013, vol. 252, issue C, 167-175

Abstract: A structurally dynamic model was developed based on the software Pamolare II for the plant-dominated Baiyangdian Lake in North China. The model was applied to forecast the ecological health condition under different scenarios of removing submerged plants. The indicators for ecosystem health included phytoplankton biomass, ratio of zooplankton to phytoplankton biomass, eco-exergy and structural eco-exergy. The results showed that the lake's health degraded following the decrease of removal of submerged plants. Meanwhile, the ecological health improved when the removal of submerged plants increased to 1.5 times the normal level. Finally, based on the model results, the biomass of submerged plants is recommended to be reduced to 140–180g/m2, which may provide reasonable reference for regulating and controlling submerged plants in Baiyangdian Lake.

Keywords: Ecosystem health; Submerged plants; Plant-dominated lake; Baiyangdian Lake; Pamolare II (search for similar items in EconPapers)
Date: 2013
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:ecomod:v:252:y:2013:i:c:p:167-175

DOI: 10.1016/j.ecolmodel.2012.07.013

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