headwater area

Much of the headwater area is composed of fen.

These constituent wetlands are each situated at the headwater area of the East Humber River watershed in King City.

The Lord River rises in the area of Lord Pass, which connects to the headwater area of the Bridge River immediately south.

The headwater area of the river is fed by Montgomery Creek as it flows through the upland riparian habitat and virgin redwoods of Montgomery Woods State Reserve.

The rainfall in the headwater areas peaks in August but the flood water takes time to pass down the river system, through the Inner Niger Delta region and arrive at Gao.

Wetlands occupy 10% of the basin, mostly bogs and shallow ponds located in the headwater areas of the Duck Mountains and Porcupine Hills, as well as the Swan Lake marsh complex.

The Flammulated Bamboo Tyrant is found in the headwater areas of the Amazon Basin in southeastern Peru and northern Bolivia; also neighboring Brazilian states in the border regions, of Acre, Rondônia, and Mato Grosso.

Fish populations and their protozoan and metazoan parasites in the headwater areas of the McGregor River (Pacific drainage) and of the Parsnip River (Arctic drainage) were the subject of studies carried out in the 1970s concerning the proposed diversion of waters across the continental divide.