Rain-fed, of or relating to vegetation or ecosystems that receive most of their nutrients from precipitation

Fed only by precipitation, not by water draining from the surrounding landscape.

trophic status largely produced by rainwater rather than groundwater.

Deriving minerals solely from the atmosphere. A characteristic of acid bogs.

The word Ombrotrophic refers to a type of peatland which receives all of its water and nutrients from precipitation falling directly on its surface. The word literally translates to "cloud-fed." Such peatlands are hydrologically isolated from the surrounding landscape and are home to organisms which tolerant of acidic, low-nutrient environments.