Key Highlights
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In water-limited savannas, the species that become dominant are those whose root depths happen to best match where water is available in the soil, while other species with mismatched roots remain less common. This shows that water availability, not just competition, ‘chooses’ which plants thrive in a given location, providing a clear rule for predicting plant success in dry landscapes.
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A new method using species-habitat networks reveals that traditional orchards are unexpectedly important ‘key habitats’ for wild bees, supporting more bees and more specialist species than expected based on their area. This finding highlights that conserving a variety of complementary habitats, including extensively managed ones like orchards, is crucial for protecting bee populations at the landscape scale.
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Researchers used a powerful statistical technique to show that birdsong frequency is shaped by a complex web of interacting factors including body size, habitat, and sexual selection, not just one cause. This demonstrates that trait evolution, like the development of a bird’s song, is a multidimensional process where simple explanations often miss the full picture.
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