What is an Ecosystem?

The U.S. Fish and Wildlife Service defines an ecosystem as a geographic area and all its living components (e.g., people, plants, animals, and microorganisms), their physical surroundings (e.g., soil, water, and air), and the natural cycles that sustain them (e.g., precipitation, drought, fire, grazing). The term ecosystem was coined in 1935 by the British ecologist Sir Arthur George Tansley, who described natural systems in "constant interchange" among their living and non-living parts.

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1. What is an Ecosystem?
2. What are wetlands?
3. How do I know if my lot contains wetlands?
4. What is a wetland delineation?
5. Can I build on my property if I have wetlands?
6. How can I build or rebuild a dune walkover?