Figure 11From: Biochemical and physiological bases for the use of carbon and nitrogen isotopes in environmental and ecological studies A δ 15 N Phe -δ 15 N Glu diagram for various organisms belonging to the pelagic ecosystem in Lake Baikal. The broken lines indicate the isopleths of trophic positions 1 to 5 based on the formula described in Equation 17 and Figure 10a.Back to article page