Effects of zebra mussels on chlorophyll, nitrogen, phosphorus and silica in north shore waters of Lake Erie effectsofzebramu00ontauoft Year: 1997 r Union (summer) ^:.r.:^rii^m^!\1t-K:. ^Blenheim (summer) at -§- Q. '- '^â¢â â â¢'â â¢A'M.'k 76 78 80 82 84 86 88 90 92 94 Year 76 78 80 82 84 86 88 90 92 94 Year Durwfville (summer) 76 78 80 82 84 86 88 90 92 94 Year

---

Size: 2736px × 731px
Photo credit: © Bookend / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: archive, book, drawing, historical, history, illustration, image, page, picture, print, reference, vintage