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Press Release 12-113

Predators Have Outsized Influence Over Habitats

Study of grasshoppers' diets shows that animals are an important part of organic matter decomposition

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Photo of a grasshopper on a woody branch.

Grasshoppers' diets while being hunted may affect how soil releases carbon dioxide.

Credit: Dror Hawlena


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Photo of field experiments at the Yale Myers forest research site.

Field experiments underway at the Yale Myers forest research site.

Credit: Dror Hawlena


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Photo of a grasshopper.

Coping with stress from fear of predation leads to a shift in grasshopper food choices.

Credit: Dror Hawlena


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Photo of two scientists taking measurements of carbon dioxide during a field experiment.

Scientists take measurements of carbon dioxide during field experiments.

Credit: Dror Hawlena


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Photo of a dead grasshopper.

Grasshopper decomposition is important to biologists studying predator-prey relationships.

Credit: Dror Hawlena


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Photo of a laboratory experiment that measures soil respiration.

Experiments continue in the laboratory, here measuring soil respiration.

Credit: Dror Hawlena


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Cover of the June 15, 2012 issue of the journal Science.

The researchers' work is described in the June 15, 2012 issue of the journal Science.

Credit: Copyright AAAS 2012


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