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News Release 11-146

Animal Species Large and Small Follow Same Rule for How Common They Are in Ecosystems

Research leads to new "scaling" rule for abundance and production of animals

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Photo of the Bahia Falsa, an estuary in Mexico.

Overview of Bahia Falsa in Mexico, one of the estuaries where scientists conducted the study.

Credit: Todd Huspeni


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Photo of scientists quantifying the abundance and diversity of fishes at Carpinteria Salt Marsh.

Scientists quantify the abundance and diversity of fishes at Carpinteria Salt Marsh in California.

Credit: Ryan Hechinger


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a parasitic isopod, one of the larger parasites found in the estuaries in the project.

A parasitic isopod, one of the larger parasites found in the estuaries in the project.

Credit: Ryan Hechinger


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Photo of a field research team sampling animals at a mudflat study site.

A field research team samples animals at a mudflat study site.

Credit: Joshua Smith


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Figure showing how body size and the food chain influence abundance and production of animals.

Figure showing how body size and the food chain influence abundance and production of animals.

Credit: Ryan Hechinger


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the July 22 cover of the journal Science

The researchers' results are described in the July 22 issue of the journal Science.

Credit: Copyright AAAS 2011


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