Virginia Institute of Marine Science
Food web composition and resource levels can influence ecosystem properties such as productivity and elemental cycles. In particular, herbivores occupy a central place in food webs as the species richness and composition of this trophic level may simultaneously influence the transmission of resource and predator effects to higher and lower trophic levels, respectively. Yet, these interactions are poorly understood.
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Spivak, Amanda C.; Canuel, Elizabeth A.; Duffy, J. Emment; and Richardson, J. Paul, Nutrient Enrichment and Food Web Composition Affect Ecosystem Metabolism in an Experimental Seagrass Habitat (2009). Plos One, 4(10), e7473.