Occurrence of Attributes in Original Text
The text related to the cultural heritage 'Redwood National and State Parks' has mentioned 'Ecosystem' in the following places:
| Occurrence Sentence | Text Source |
|---|---|
| The ecosystem of the RNSP preserves a number of threatened animal species such as the tidewater goby, Chinook salmon, northern spotted owl, and Steller's sea lion, though it is believed that the tidewater goby is likely to have been extirpated from the park. | WIKI |
| [3] In recognition of the rare ecosystem and cultural history found in the parks, the United Nations designated them a World Heritage Site on September 5, 1980 and part of the California Coast Ranges International Biosphere Reserve on June 30, 1983. | WIKI |
| Prescribed controlled fires are currently part of the fire management plan and helps to eliminate exotic species of plants and allows a more fertile and natural ecosystem. | WIKI |