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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 ...
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.
Rain clouds over a tank in Sri Lanka 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 ...
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.
A soil test is a laboratory or in-situ analysis to determine the chemical, physical or biological characteristics of a soil. Possibly the most widely conducted soil tests are those performed to estimate the plant-available concentrations of nutrients in order to provide fertilizer recommendations in agriculture.
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 .
In 2019 a total area of 16.5% [2] of Sri Lanka was forested. In 2010, it was 28.8% [3] (and 32.2% in 1995. [4]) 9.0% [5] of Sri Lanka's forests are classified as primary forest (the most biodiverse form of forest and the biggest carbon sinks on Earth). Sri Lanka's forests contain 61 million metric tons of carbon in living forest biomass (in ...
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".