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FA229: A Beginner's Guide to Water Management—Common Aquatic Birds Using Florida Lakes

Figure 31. Mean aquatic plant abundance (percent area covered PAC %) for the lakes on which an aquatic bird species was observed. The middle line (green) is the mean and the upper line (blue) and lower line (red) are the corresponding upper and lower 95% confidence limits for those data. The horizontal bold line is the mean PAC for the 44 lakes with aquatic plant data.