Fig. 1 | Nature Communications

Fig. 1

From: A unifying theory for top-heavy ecosystem structure in the ocean

Fig. 1

Relationship between ecosystem structure and size-spectrum scaling. Width of bars represent relative abundance or biomass for value of the mass scaling exponent, k. Gray shading based on the distributions of k for marine ecosystems based on empirical estimates of trophic efficiency (TE) and predator:prey mass ratios (PPMR). Arrows denote flow of energy and hold for all pyramids. Trophic compartment (level) is given on right

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