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The upper montane forests extend from approximately 2,300 meters up to 3,300 meters elevation. A belt of subalpine dwarf forests forms the transition between the montane forests and the high-elevation páramo alpine grasslands. [4] [3] Laurels and oaks are the predominant canopy trees in the lower montane forests, growing up to 40 meters high.
The Sri Lanka montane rain forests is an ecoregion found above 1,000 m in the central highlands of Sri Lanka. Owing to their rich biodiversity , this region is considered to be a super-hotspot within endemic hotspots of global importance. [ 2 ]
Sri Lanka's forests contain 61 million metric tons of carbon in living forest biomass (in 2010 [14]). The southwest portion of the island, where the influence of the moisture-bearing southwest monsoon is strongest, is home to the Sri Lanka lowland rain forests. At higher elevations they make the transition to the Sri Lanka montane rain forests.
Sri Lanka continental separated from the south eastern tip of peninsular India by the more than 20 m deep Palk Strait.There had been repeated land connections with India across this strait during successive glacial periods, the last being between 10,000 and 20,000 years ago when the sea level was about 120m below the present level creating a 140 km wide land bridge.
Cultivation of cardamom at large scale in the montane forests is a major threat to the fragile forest ecosystem. [5] [6] [7] Invasive exotic plant species such as Mist Flower (Ageratina riparia) that increasingly spread into montane forest areas and montane grasslands destroy the unique native Sri Lankan flora. [8] [9] [10]
92 Key Biodiversity Areas (KBAs) have been identified through a process coordinated by the Wildlife Heritage Trust and University of Peradeniya. [5] Many other data and published literature were also incorporated into the analysis, notably data on Important Bird Areas collected by the Field Ornithology Group of Sri Lanka. Nearly all of these ...
Sri Lanka is known to be home to 794 species of Hemipterans. Detailed work of Sri Lankan hemipterans are recorded in the book Catalogue of Hemiptera of Sri Lanka. Sri Lanka comprises 74 species in 46 genera and 6 families of aphids within the order Hemiptera. 2 endemic aphid species are found on Sri Lanka
National parks are a class of protected areas in Sri Lanka and are administered by the Department of Wildlife Conservation.National parks are governed by the Fauna and Flora Protection Ordinance (No. 2) of 1937 and may be created, amended or abolished by ministerial order. [1]