From the front garden to the continent, here’s why biodiversity does not increase evenly from small to large

The number of species does not increase evenly when going from local ecosystems to continental scales—a phenomenon ecologists have recognized for decades. Now, an international team of scientists, including researchers from the German Center for Integrative Biodiversity Research (iDiv) and the Martin Luther University Halle-Wittenberg (MLU), has developed a new theory to explain the three distinct phases typical of species distributions across scales.

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