Effects of Invasive Macrophytes on Species Diversity of Mesotrophic Aquatic Ecosystems
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Monitoring the abundance of invasive macrophytes is important for many municipalities which are interested in preserving the quality of their freshwater lakes for economic and ecological reasons. Understanding how these invasive species propagate on a yearly scale is crucial to successfully treat and remediate vulnerable lakes. Four lakes in Kenosha County, Wisconsin were sampled over three years (2009-2012) for their macrophyte abundance by the Invasive Species Working Group (ISWG). Sampling was conducted using the rake-throw method at the four lakes. Macrophyte species were identified and abundance was recorded. Using the abundance data, comprehensive statistics and figures were created to investigate the speed at which invasive species recover from treatment and how they interact with native species. The results indicated that abundance of invasive macrophytes and native macrophytes are inversely related; however species-rank abundance did not correlate with populations of invasive macrophytes.