. Effects of zebra mussels on chlorophyll, nitrogen, phosphorus and silica in north shore waters of Lake Erie. Zebra mussel; Zebra mussel. Total P-. FRP* TP/FRP TKN Ammoniim^ Nitrate Nttrtts'Jt' , Org N/lnorg N NH4/{N03*MO^"*' Organic N Inorganic N N/P' Spring Saicate Total P* FRP* TP/FRP TKN* Ammonium 7f Summer. I I I I I I I I I -100 -50 TP/FRP TKN Ammonium Nitrate' Nitrite Org N/lnorg N ^ NH'*/(NCh+N02) Orgarilc N Inorgaruc N N/P I I I I 50 100 150 200 Figure 14. Percentage change in selected nutrient variables axxd ratios pre- (1984-87) and post (1990-93) zebra mussels at the Rosehill
. Effects of zebra mussels on chlorophyll, nitrogen, phosphorus and silica in north shore waters of Lake Erie. Zebra mussel; Zebra mussel. Total P-. FRP* TP/FRP TKN Ammoniim^ Nitrate Nttrtts'Jt' , Org N/lnorg N NH4/{N03*MO^"*' Organic N Inorganic N N/P' Spring Saicate Total P* FRP* TP/FRP TKN* Ammonium 7f Summer. I I I I I I I I I -100 -50 TP/FRP TKN Ammonium Nitrate' Nitrite Org N/lnorg N ^ NH'*/(NCh+N02) Orgarilc N Inorgaruc N N/P I I I I 50 100 150 200 Figure 14. Percentage change in selected nutrient variables axxd ratios pre- (1984-87) and post (1990-93) zebra mussels at the Rosehill intake s«unpling location. Those marked with an asterisk are statistically significant (Mann-Whitney D-test; P<). 16. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Ontario. Ministry of Environment and Energy. [Toronto] : Ontario Ministry of Environment and Energy
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Keywords: ., bookcentury1900, bookcollectiongovernmentpubli, bookleafnumber30
