JEB -- Marquet et al. 208 (9): 1749 Figure IG2

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Fig. 2. Population density scaling for primary (open symbols) and secondary (filled symbol) consumer species of mammals. The slope of the relationships is -0.73 (not different from -3/4) for primary consumers and -0.99 (not different from -1) for secondary consumers (data from Damuth, 1993). Density (individuals km^-2); M_b (kg).