| http://www.w3.org/ns/prov#value | - sis under different nutrient concentrations were not easy to interpret, and there were few differences in wing muscle state between most of the concentrations.From these findings it is suggested that nutrient concentration, particularly high levels of nitrates and phosphates is not a limiting factor in terms of effective biological control of P. stratiotes with N. affinis, but that under high nutr
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