Effects of zebra mussels on chlorophyll, nitrogen, phosphorus and silica in north shore waters of Lake Erie effectsofzebramu00ontauoft Year: 1997 =os; ZU 1 2 3 4 5 6 7 8 9 10 11 12 Month 1 2 3 4 5 6 7 8 9 10 11 12 Month : Blenheim PreZM 6 ] r-r^i r ^ t ^ ' -^A* =ostZV 1 2 3 4 5 6 7 8 9 10 11 12 Month

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