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Full-Text Articles in Ecology and Evolutionary Biology
Annual Winter Water-Level Drawdowns Influence Physical Habitat Structure And Macrophytes In Massachusetts, Usa, Lakes, Jason R. Carmignani, Allison H. Roy
Annual Winter Water-Level Drawdowns Influence Physical Habitat Structure And Macrophytes In Massachusetts, Usa, Lakes, Jason R. Carmignani, Allison H. Roy
Environmental Conservation Faculty Publication Series
Annual wintertime water-level drawdowns are a common management strategy in recreational lakes; however, few studies have estimated their relative impact on lake littoral habitat among a set of typically co-occurring anthropogenic stressors including lakeshore development and herbicide application. Within 21 Massachusetts, USA lakes that represented a drawdown magnitude gradient (0.07-2.26 m), we assessed depth-specific littoral habitat (coarse wood, sediment, macrophytes) at two sites adjacent to forested or developed shorelines. Using generalized linear mixed models, we found coarse wood abundance and branching complexity was not correlated with drawdown magnitude but was primarily explained by the presence of lakeshore development. Drawdown magnitude …