| 21. | Ecological impact of beavers Castor fiber and Castor canadensis and their ability to modify ecosystems.
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| 22. | The term " eco-shadow " has been introduced to describe the ecological impact of antibiotics.
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| 23. | Another example of how privet can have a negative ecological impact in ecological displacing it.
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| 24. | The potential ecological impacts of this species were reviewed by Howells et al . in 2006.
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| 25. | Long-lining is an old practice, but modern technology has vastly increased its profitability and ecological impact.
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| 26. | The scale of the ecological impact may or may not be significant, depending on specific circumstances.
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| 27. | For Time / Life he made Dam Builders, comparing the ecological impact of humans and beavers.
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| 28. | His primary areas of research include ecosystems, conservation of aquatic species, habitats, and various ecological impacts.
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| 29. | Although the devastation to the Bonnet Carr?area was great, its ecological impacts were somewhat beneficial.
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| 30. | While there has been little serious opposition to the project, its ecological impact has not gone unnoticed.
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