The Effects of Aqueous Nitrate on Freshwater Crayfish

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Hartman, Erik
Biology; Physiology; Crayfish; Lactate; Metabolic Rate; Nitrate
project description
Globalization and a rising need for greater production from the agricultural system have increased the use of fertilizer by farms across the entire country. The purpose of this experiment was to observe the effects of aqueous nitrate (commonly found in many fertilizers) on the metabolic rate and hemolymph lactate concentration of freshwater crayfish. After exposure, there was no observed change in metabolic rate, but there was a significant decrease in hemolymph lactate concentration in the groups exposed to nitrate.