. Effects of zebra mussels on chlorophyll, nitrogen, phosphorus and silica in north shore waters of Lake Erie. Zebra mussel; Zebra mussel. Percentage Change -100 -50 150 200. -100 -50 100 150 200 Figure 10. Percentage change in selected nutrient variables and ratios pre- (1984-87) and post (1990-93) zebra mussels at the Union intake sampling location. Those marked with an asterisk are statistically significant (Mann-Whitney U-test; P<). 12. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearan
. Effects of zebra mussels on chlorophyll, nitrogen, phosphorus and silica in north shore waters of Lake Erie. Zebra mussel; Zebra mussel. Percentage Change -100 -50 150 200. -100 -50 100 150 200 Figure 10. Percentage change in selected nutrient variables and ratios pre- (1984-87) and post (1990-93) zebra mussels at the Union intake sampling location. Those marked with an asterisk are statistically significant (Mann-Whitney U-test; P<). 12. 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
Size: 1197px × 2089px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookcollectiongovernmentpublications, bookspons
