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FACTORS INFLUENCING CARBON, NITROGEN, AND PHOSPHORUS CONTENT OF FISH FROM A LAKE SUPERIOR COASTAL WETLAND: LIFE HISTORY VERSUS MORPHOMETRICS
Citation:
Tanner, D K., J. C. Brazner, AND V. J. Brady. FACTORS INFLUENCING CARBON, NITROGEN, AND PHOSPHORUS CONTENT OF FISH FROM A LAKE SUPERIOR COASTAL WETLAND: LIFE HISTORY VERSUS MORPHOMETRICS. CANADIAN JOURNAL OF FISHERIES AND AQUATIC SCIENCES 57:1243-1251, (2000).
Description:
The narrow fish nutrient ranges (C, 42.8-48.4%; N, 9.6-12.7%; P, 1.91-2.74%) in this study suggest that overall mean values are adequate for quantifying movement of C, N, or P as part of fish-mediated nutrient transport. We measured C, N, and P in 20 species of Lake Superior coastal wetland fish to better understand variability in fish elemental content caused by differences in species, habitat, season, life stage, or size. Fish were sampled within Bark Bay slough and at its inlet/outlet to Bark Bay, Lake Superior, from May to November 1995. Elemental content averaged across all fish (n = 192) was 45.1% for C, 11.3% for N, and 2.45% for P. We did find significant differences (p