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Location of Sri Lanka. Environmental issues in Sri Lanka include large-scale logging of forests and degradation of mangroves, coral reefs and soil. Air pollution and water pollution are challenges for Sri Lanka since both cause negative health impacts. Overfishing and insufficient waste management, especially in rural areas, leads to ...
The tank cascade system (Sinhala: එල්ලංගාව, romanized: ellaṅgāva) is an ancient irrigation system spanning the island of Sri Lanka. It is a network of thousands of small irrigation tanks ( Sinhala : වැව , romanized: wewa ) draining to large reservoirs that store rainwater and surface runoff for later use.
To implement the project plan in the balance areas proposed by the Master plan and also Gazetted areas, the Mahaweli Authority of Sri Lanka was established in 1979 by an Act of Parliament with a mandate. [5] [6] By the end of 1995, all the headworks of the AMP had been completed and were functioning.
The park's elevation range from 20–60 metres (66–197 ft) with sparse rock outcrop. [3] The Mahaweli River flows from south to north through the centre of the park. The rich alluvial soil flood plains situated beside the river are featured by a number of shallow swampy depressions called "villus".
Sri Lankan state-sponsored colonization schemes is the government program of settling mostly Sinhalese farmers from the densely populated wet zone into the sparsely populated areas of the dry zone. This has taken place since the 1950s near tanks and reservoirs being built in major irrigation and hydro-power programs such as the Mahaweli project .
The susceptibility of soil types to drought is a major concern in Akkaraipattu. The three main soil types in this area are: alluvial soil which has variable drainage and texture, reddish-brown soil, and Solonetz soil. The alluvial soil is generally found on flat flood plains.
The Moragahakanda Dam (Sinhala: මොරගහකන්ද ව්යාපෘතිය), officially Kulasinghe Reservoir, [1] is a large gravity dam, and the main component of the larger and more complex Moragahakanda — Kalu Ganga Project, across the Amban River at Elahera, in the Matale District of Sri Lanka. Construction began on 25 ...
According to the U.N. FAO, 28.8% of Sri Lanka was forested in 2010 (about 1,86 million hectares). In 1995, it was 1.94 million hectares or 32.2% [11] of the land area that was classified as dense forests while the balance 0.47 million hectares or 7% the land area classified as open forests.