Abstract
Three species of submersed rooted aquatic angiosperms (Lagarosiphon major, Myriophyllum triphyllum and Potamogeton ochreatus) were grown on nutrient-rich and nutrient-poor sediments in Lake Taupo, an oligotrophic New Zealand lake. Results indicate that plants grown on nutrient-rich sediments had significantly higher shoot tissue concentrations of P, Fe and Mn than those grown on nutrient-poor. High correlations between all three nutrients were recorded for all species. This suggested that the availabilities of P, Fe and Mn in these sediments to these aquatic plants were interrelated.
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