through drainage

A lack of evaporite minerals suggest that the lakes had through drainage.

There are a few portages where the river flows through drainage pipes under the County Road.

Investment in irrigation and land reclamation through drainage further increased the income of wealthy landowners.

Through drainage, filling and spraying they succeeded, making the region newly attractive because less pestilential.

Land reclamation (through drainage) changed the landscape so that crops could grow, where once there was only marshland.

Decreasing availability of water through drainage.

The island was home to numerous watermills producing paper and textiles; it also created valuable land through drainage of the marshlands.

In subaerial rifts, drainage at this stage is generally internal, with no element of through drainage.

Land development and water use have transformed the state, primarily through drainage and infill of the wetlands that once covered most of the peninsula.

Cliff stabilization can be accomplished through drainage of excess rainwater of through terracing, planting, and wiring to hold cliffs in place.

Through drainage works the monks reclaimed land in the swampy environs of the monastery, implemented three-field crop rotation and laid out vineyards.

LEFT The destruction of sites through drainage for agricultural land improvement continues to be carried out, despite the surpluses of crops produced by many countries.

Carse Loch is now much reduced in surface area through drainage and is enclosed within a marsh surrounded by a part of the Stottpark woodlands.

Even after heavy draining through drainage ditches, much of the land is suitable only as sheep pasture, being too boggy to bear cattle or grow other crops.

In the 1830s the farmers of Burwell fen began to realize that they were missing out on the prosperity achieved through drainage by their neighbours at Swaffham.

These are: the regulation of wetland ecosystems through drainage, flood mitigation and water harvesting; and vegetation loss due to clearing, overgrazing and salinity.

Glossy Ibises are threatened by wetland habitat degradation and loss through drainage, increased salinity, groundwater extraction and invasion by exotic plants.

Rather than wetting seed containers from the top, fill a pan with water and set the seed containers inside so that the water soaks up through drainage holes.

Unrelated to the construction of the Aswan High Dam, water quality deteriorated through drainage return flows and discharges of untreated municipal and industrial wastewater.

Always scarce, the subspecies became extinct because of the destruction and modification of its wetland habitats, mainly through drainage and clearance burning for agriculture and settlement.

They identified the main problems as pollution, habitat degradation through drainage works and obstructions, mainly weirs built in the 19th Century for water power to supply the numerous mills in the area.

They used to breed in Great Britain up to the mid-19th century, but the western European population declined through drainage; an Irish record in 2012 was the first there since the 1850s.

The disturbance the latter causes is of constant concern to ornithologists as these artificial wetlands are an essential replacement for habitats lost through drainage, as are gravel pits discussed below.

In other regions, widespread destruction of marshes and peatbogs is taking place, through drainage for improved agriculture and for reclamation purposes, and through commercial exploitation of the peat.

Converting wetlands through drainage and development have contributed to the issue of irregular flood control through forced adaption of water channels to narrower corridors due to loss of wetland area.