Places with lots of nooks and crannies contain lots of living things—that old brick-pile in the backyard has far more critters than the concrete driveway. This general rule is the same in natural habitats, from the abyssal trenches to the tops of mountains, from coral reefs to the tundra. These habitats range from relatively simple, flat surfaces to highly complex three-dimensional structures.
Click here for original story, Nooks, crannies and critters: Researchers develop new way to measure complexity of habitats
Source: Phys.org