| 31. | Its plant communities are often suites associated with Holm Oak.
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| 32. | The major plant communities are mixed deciduous forests and scrublands.
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| 33. | The park protects areas of alluvial and riverine plant communities.
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| 34. | Boxelder, Fremont cottonwood, maple, and willow dominate riparian plant communities.
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| 35. | Ecologists recognise seven main vegetation plant communities within the park.
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| 36. | But once they invade native prairie areas, these introduced species dominate native plant communities.
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| 37. | This preference can alter the composition of a plant community.
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| 38. | It is a climax species, occurring in undisturbed plant communities.
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| 39. | And because they decomposed faster, the plant community stored no more carbon than before.
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| 40. | It is also sometimes associated with vernal pool plant communities.
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