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Chena is the oldest cultivation method in Sri Lanka, it goes far back as more than 5,000 years.(Before the Anuradhapura Kingdom) [1] [2] it the dry zone, the recovery of a chena plot proceeds through various stages of succession, (active chena, abandoned chena, chena re-growth, scrub with pioneer three species, scrub with secondary tree species, secondary forest, secondary forest with primary ...
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 environmental pollution.
Deforestation is one of the most serious environmental issues in Sri Lanka. Sri Lanka's current forest cover as of 2017 was 29.7%. [1] In the 1920s, the island had a 49 percent forest cover but by 2005 this had fallen by approximately 26 percent. (29.46% in 2018) [2] Between 1990 and 2000, Sri Lanka lost an average of 26,800 ha of forests per ...
Because of being an island, Sri Lanka has many endemic freshwater fauna, as well as thousands of marine and brackish water fauna. [1] Fishing is the way of life of most of coastal community. So, the marine fish fauna gives a greater commercial value to the country's economy, as well as well being of the coastal people. [2]
v. t. e. Aquaculture (less commonly spelled aquiculture[1]), also known as aquafarming, is the controlled cultivation ("farming") of aquatic organisms such as fish, crustaceans, mollusks, algae and other organisms of value such as aquatic plants (e.g. lotus). Aquaculture involves cultivating freshwater, brackish water, and saltwater populations ...
Mystus ankutta, also known as the Sri Lanka dwarf catfish or yellow dwarf catfish, is a species of catfish of the family Bagridae that is endemic to Sri Lanka. [1] [2] [3] In the wild it is found in freshwater bodies from Kelani river to Nilwala river in Sri Lanka. [2] It grows to a length of 7.9 cm. [2] This fish is classified as endangered by ...
The Loris, found only in Sri Lanka and South India, is related to the Lemurs of Madagascar. The connection to India led to a commonality of species, e.g. freshwater fish, the now extinct Sri Lankan Gaur (Bibos sinhaleyus) and the Sri Lankan Lion (Panthera leo sinhaleyus). [5] The island was connected, off and on at least 17 times in the past ...
Area. 306.7 km 2 (118.4 sq mi) Established. 1992. Governing body. Department of Wildlife Conservation. The Bar Reef is a system of coral reefs just offshore from Sri Lanka 's Kalpitiya peninsula. It has the greatest biodiversity of any coral reef in the waters around India and is one of the few pristine coral reef systems in Sri Lanka. It is a ...