Identifying environmental drivers of chlorophyll-a dynamics in Austral subtropical ephemeral ecosystems |
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| Institution: | 1. Department of Biological Sciences, University of Zimbabwe, Mt Pleasant, Harare, Zimbabwe;2. Department of Biological Sciences and Biotechnology, Botswana International University of Science and Technology, Palapye, Botswana;3. Department of Zoology and Entomology, Rhodes University, Grahamstown, 6140, South Africa;4. Department of Ecology and Resource Management, University of Venda, Thohoyandou, 0950, South Africa |
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| Abstract: | Environmental and biological features of Austral subtropical pan types were assessed, along with the drivers of chlorophyll-a (chl-a) concentrations. Chl-a biomass varied considerably across seasons and endorheic pans had elevated chl-a concentrations compared to floodplain pans. The major driver of chl-a concentration based on generalised linear/non-linear models (GLZ) was total phosphorous and total suspended solids for all pan types and seasons combined. These results are discussed within the context of secondary productivity, aquatic ecosystem heterogeneity and endorheic pan conservation. |
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| Keywords: | Ephemeral Wetlands Phytoplankton Pans Phosphorous Productivity |
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