| 1. | It is a pioneer species, and is often used for land revegetation.
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| 2. | In time, this rather inhospitable surface will be colonised by pioneer species.
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| 3. | It can be a pioneer species, growing in areas of forest disturbance.
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| 4. | These are pioneer species which will mature in about 30 to 40 years.
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| 5. | Though vertebrates in general would not be considered pioneer species, there are exceptions.
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| 6. | As a pioneer species of willow, it quickly colonizes poor soils.
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| 7. | This plant is often a pioneer species in habitat recently disturbed.
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| 8. | This moss is a pioneer species of bare or sparsely vegetated, mine-waste laden soils.
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| 9. | It can also be a pioneer species of disturbed ground.
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| 10. | It is often a pioneer species in the boreal regions.
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