| 1. | Ecologically, sebaceous areas had greater species richness than moist and dry one.
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| 2. | This has resulted in the high species richness observed within the area.
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| 3. | The greatest species richness occurs in association with uplands, especially the Stirling Range.
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| 4. | Species richness ranges from 17 to 48 species per 1000 m?
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| 5. | Species richness quantifies the actual rather than effective number of species.
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| 6. | Species richness peaks at around 40?latitude, both north and south.
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| 7. | The distribution of ichneumonid species richness is subject to ongoing debate.
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| 8. | Conversely, the highest species richness occurs in soils with the lowest soil nutrition.
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| 9. | There has been much discussion about the relationship between productivity and species richness.
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| 10. | Species richness is therefore demonstrably increased where cushion plants have colonized.
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