Freshwater

Real parks and dive sites where wildlife from this ecosystem lives.

Rivers, streams, lakes, wetlands and marshes. Although they cover a tiny fraction of the planet's surface, freshwater ecosystems hold a share of biodiversity far out of proportion to their size. Current, temperature and dissolved oxygen change sharply from one stretch to the next, and that variety explains how specialised their fish, amphibians and invertebrates are. They are also especially vulnerable, because everything that happens across the catchment ends up in the water.