Abstract: Although primary productivity in salt marshes is thought to be controlled by physical forces, recent evidence suggests that human disturbances can drive a switch to consumer control in these ecologically valuable ecosystems. We tested the hypothesis that nitrogen enrichment can trigger consumer control in salt.

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Comprehensive in its coverage, this book focuses on the processes controlling marine ecosystems, communities, and populations and demonstrates how general ecological principles--derived from terrestrial and freshwater systems as well--apply to marine ecosystems. Numerous illustrations, examples, and references clearly impart to the reader the current state of research in this field: its achievements as well as unresolved controversies.

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