California grassland experiment demonstrates underappreciated driver of biodiversity (IMAGE)
Caption
Researchers established a series of what they call “grassland mesocosms” — think miniature ecosystems — of native perennials or non-native annuals in multiple years at sites like the above. They learned that perennials, but not annuals, are highly susceptible to establishment-year conditions, which in turn increased biodiversity across the landscape.
Credit
Katie Stuble, Holden Arboretum
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