Homogenization of biota and landscape
Remaining living systems are becoming dominated by a few very successful species. Diverse and locally adapted species and ecological communities are being replaced by much less diverse managed croplands and plantations as well as by depleted, simplified and often polluted aquatic ecosystems.

Such ‘biotic homogenization’ is at least as important as global extinctions in reducing the security of the benefits people derive from ecosystems, from the provision of food to cultural values.


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4. Biodiversity and ecosystems Â»4. Biodiversity and ecosystems
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Homogenization of biota and landscape
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