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A rice field and farmer in China. Credit: Markus Raab A new study published in the Journal of Applied Ecology demonstrates how the diversity and abundance of arthropods decrease when hedgerows and field margins covered by wild grass and flowers are removed. Researchers from the UK, Netherlands and China studied 20 rice fields in China
Credit: Unsplash/CC0 Public Domain What maintains stability within an ecosystem and prevents a single best competitor from displacing other species from a community? Does ecosystem stability depend upon the presence of a wide variety of species, as early ecologists believed, or does diversity do the exact opposite, and lead to instability, as modern theory predicts?