According to International Union for Conservation of Nature (IUCN), Sinharaja is the country's last viable area of primary tropical rainforest. Over 60% of the trees are endemic, many of them considered rare. 50% of Sri Lankan's endemics species of animals (especially butterfly, amphibians, birds, snakes and fish species)[clarification needed]. It is home to 95% endemic birds.
The hilly virgin rainforest, part of the Sri Lanka lowland rain forestsecoregion, was saved from the worst of commercial logging by its inaccessibility, and was designated a World Biosphere Reserve in 1978 and a World Heritage Site in 1988.
Because of the dense vegetation, wildlife is not as easily seen as at dry-zone national parks such as Yala. The most common larger mammal is the endemic purple-faced langur. | image=
Surrounded in dense fog, the dangerous, dark and mysterious Sinharaja forest is steeped in deep legend and mystery. The word Sinharaja means lion- (සිංහ/சிங்கம் sinha) king or kingdom (රාජ/ராஜா raja), and a popular folk legend has it that a legendary lion lived in this protected forest.
The rainforest likely formed during the Jurassic period (from 200 million years to 145 million years ago). This forest encompasses an area of 36,000 hectares (88,960 acres/360km2).[3] The reserve is only 21km (13mi) from east to west, and a maximum of 7km (4.3mi) from north to south, but it is a treasure trove of endemic species, including trees, insects, amphibians, reptiles, birds, and mammals. Sinharaja forest vegetation density has been estimated at 240,000 plants per hectare, the most dense rain forest in Asia.[4]
Human activity
The reserve is well-integrated with the local population who live in some dozens of villages dotted along the border. The villages are more in number along the southern border whilst the presence of some large estates along the northern border has resulted in only a few villages there. The locals collect herbal medicine, edible fruits, nuts, mushrooms, other non-timber forest products including bees honey and a sugary sap collected from a local palm species of the genus Caryota. The sap is converted into jaggery, a local brew and vinegar. Local people walk in the forest to collect the above items when they are not busy with their other agricultural pursuits. In addition, the crystal-clear water coming from dozens of streams is the main water source for all people living around the reserve. For generations, local people trekked through the forest from south to north to make their annual pilgrimage to the Adams Peak.
In 2013, UNESCO requested to halt the widening of the ancient road linking Lankagama area to Deniyaya along a 1-km jungle patch inside the protected area after a complaint from The Centre for Environmental and Nature Studies of Sri Lanka. The construction recommenced on August 10, 2020 after prolonged appeals by the people living in villages to the Sri Lankan Government. A group of environmentalists carried out a big social media campaign and asked the Sri Lanka Forest Department, the President, the Ministry of Environment and the Central Environment authority to stop this but the Government of Sri Lanka has decided to go ahead with it to improve the livelihood of poor villagers of the area as it will clear only 0.006% of the total landmass of the forest.
Mr. Martin Wijesinhe was one of the most significant people in Sri Lanka in connection to the Sinharaja.[5] He was the unofficial guardian of the Sinharaja. He has been the protector and caretaker of it since the 1950s till his death in 2021.[6]
Udawalawe National Park is a national park on the boundary of Sabaragamuwa and Uva Provinces in Sri Lanka. The park was created to provide a sanctuary for wild animals displaced by the construction of the Udawalawe Reservoir on the Walawe River, as well as to protect the catchment of the reservoir. The reserve covers 30,821 hectares (119.00 sq mi) of land area and was established on 30 June 1972.
The Malabar Coast moist forests are a tropical moist broadleaf forest ecoregion of southwestern India.
The South Western Ghats moist deciduous forests is an ecoregion in the Western Ghats of southern India with tropical and subtropical moist broadleaf forests. This biome covers the Nilgiri Hills between elevation of 250 and 1,000 m in Kerala, Karnataka and Tamil Nadu states.
The Mentawai Islands rain forests is a tropical moist broadleaf forest ecoregion in Indonesia. It covers the Mentawai Islands, an archipelago in the Indian Ocean off the west coast of Sumatra. The islands have been separated from Sumatra since the mid-Pleistocene period, and their geographic isolation allowed the evolution of several endemic species, including 17 endemic mammals.
The Nilgiri Biosphere Reserve is a biosphere reserve in the Nilgiri Mountains of the Western Ghats in South India. It is the largest protected forest area in India, spreading across Tamil Nadu, Karnataka and Kerala. It includes the protected areas Mudumalai National Park, Mukurthi National Park, Sathyamangalam Wildlife Sanctuary in Tamil Nadu; Nagarhole National Park, Bandipur National Park, both in Karnataka; Silent Valley National Park, Aralam Wildlife Sanctuary, Wayanad Wildlife Sanctuary, and Karimpuzha Wildlife Sanctuary in Kerala.
India is the world's 8th most biodiverse region with a 0.46 BioD score on diversity index, 102,718 species of fauna and 23.39% of the nation's geographical area under forest and tree cover in 2020. India encompasses a wide range of biomes: desert, high mountains, highlands, tropical and temperate forests, swamplands, plains, grasslands, areas surrounding rivers, as well as island archipelago. Officially, three out of the 36 Biodiversity Hotspots in the world are present in India: the Himalayas, the Western Ghats, and the Indo-Burma region. To these may be added the Sundarbans and the Terrai-Duar Savannah grasslands for their unique foliage and animal species. These hotspots have numerous endemic species. Nearly 5% of India's total area is formally classified under protected areas.
Most of Kerala's native habitat, which consists of wet evergreen rainforests at lower elevations and highland deciduous and semi-evergreen forests in the east, has a humid tropical climate. However, significant variations in terrain and elevation lead to high biodiversity. But Alappuzha district has no forests.
The golden palm civet is a viverrid endemic to Sri Lanka. It is listed as Vulnerable on the IUCN Red List. Its distribution is severely fragmented, and the extent and quality of its habitat in Sri Lanka's hill regions are declining.
The brown palm civet, also called the Jerdon's palm civet, is a viverrid endemic to the Western Ghats of India.
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. These forests are cooler than lowland forests and therefore they have ideal conditions for growth of cloud forests. These forests classifications tropical sub montane forest, tropical sub-montane and tropical upper montane. Half of Sri Lanka's endemic flowering plants and 51 percent of the endemic vertebrates are restricted to these forests. More than 34 percent of Sri Lanka's endemic trees, shrubs, and herbs can only be found in this ecoregion. Twisted, stunted trees are a common sight in these forests, together with many varieties of orchids, mosses and ferns. The trees of montane rain forests grow to a height 10–15 meters, shorter than the lowland rain forest trees. These high altitude forests are the catchment area for most of Sri Lanka's major rivers.
Wasgamuwa National Park is a natural park in Sri Lanka situated in the Matale and Polonnaruwa Districts. It was declared to protect and to make a refuge for the displaced wild animals during the Mahaweli Development Project in 1984 and is one of the four National Parks designated under the Project. Originally it was designated as a nature reserve in 1938, and then in the early 1970s the area was regraded as a strict nature reserve. Wasgamuwa is one of the protected areas where Sri Lankan Elephants can be seen in large herds. It is also one of the Important Bird Areas in Sri Lanka. The name of the Wasgamuwa has derived from the words "Walas Gamuwa". "Walasa" is Sinhala for sloth bear and "Gamuwa" means a wood. The park is situated 225 km away from Colombo.
The state of Karnataka in South India has a rich diversity of flora and fauna. It has a recorded forest area of 38,720 km2 which constitutes 55 of the geographical area of the state. These forests support 25% of the elephant population and 20% of the tiger population of India. Many regions of Karnataka are still unexplored and new species of flora and fauna are still found. The mountains of the Western Ghats in the western region of Karnataka are a biodiversity hotspot. Two sub-clusters of the Western Ghats, Talacauvery and Kudremukh, are on a tentative list of sites that could be designated as World Heritage Sites by UNESCO. The Bandipur and Nagarahole national parks which fall outside these subclusters were included in the Nilgiri biosphere reserve in 1986, a UNESCO designation. In the Biligiriranga Hills the Eastern Ghats meet the Western Ghats. The state bird and state animal of Karnataka are Indian roller and the Indian elephant. The state tree and state flower are sandalwood and lotus. Karnataka is home to 524 tigers.
Kanneliya–Dediyagala–Nakiyadeniya or KDN is a forest complex in southern Sri Lanka. The forest complex designated as a biosphere reserve in 2004 by UNESCO. The KDN complex is the last large remaining rainforest in Sri Lanka other than Sinharaja. This forest area has been identified as one of the floristically richest areas in South Asia. The forest complex is situated 35 km northwest of city of Galle. The rain forest is a major catchment area for two of the most important rivers in southern Sri Lanka, the Gin and Nilwala Rivers. This biosphere reserve harbors many plants and animal species endemic to Sri Lanka.
The Sri Lanka lowland rain forests represents Sri Lanka's Tropical rainforests below 1,000 m (3,281 ft) in elevation in the southwestern part of the island. The year-around warm, wet climate together with thousands years of isolation from mainland India have resulted in the evolution of numerous plants and animal species that can only be found in rain forests in Sri Lanka. The thick forest canopy is made up of over 150 species of trees, some of the emergent layer reaching as high as 45 m (148 ft). The lowland rain forests accounts for 2.14 percent of Sri Lanka's land area. This ecoregion is the home of the jungle shrew, a small endemic mammal of Sri Lanka. Sri Lanka has the highest density of amphibian species worldwide. Many of these, including 250 species of tree frogs, live in these rain forests.
Central Highlands of Sri Lanka is a recognised World Heritage Site in Sri Lanka. The site comprises the Peak Wilderness Protected Area, the Horton Plains National Park and the Knuckles Conservation Forest. These are rain forests, where the elevation reaches 2,500 metres (8,200 ft) above sea level. The region harbors a variety of mammal species including the bear monkey, Trachypithecus vetulus monticola, and the Horton Plains slender loris, Loris tardigradus nycticeboides,.
Elaeocarpus serratus, the Ceylon olive, is a tropical flowering plant in the family Elaeocarpaceae. It is a medium to large tree, with white flowers. It has a disjunctive distribution, with the species occurring in Sri Lanka and southern India, and in Assam, Bangladesh and other parts in the north of the Indian subcontinent. The fruit is commonly eaten, and people also use the plant for ornamental, religious and folk-medicinal purposes. There are historical records of traditional-medicine use of the plant. Paradoxurus jerdoni consumes parts of the tree.
Kaludiya Pokuna Archeological Forest Site is a forest with archeological remains in Kandalama, in the Dry Zone of Sri Lanka. The site has been handed over to the Girls' High School, Kandy in accordance with the "Urumaya Thani Nokaramu" program organized by the Department of Archeology. For the first time in Sri Lanka, a school was given custody of an archeological site.
Cullenia exarillata is a flowering plant evergreen tree species in the family Malvaceae endemic to the rainforests of the southern Western Ghats in India. It is one of the characteristic trees of the mid-elevation tropical wet evergreen rainforests and an important food plant for the endemic primate, the lion-tailed macaque.
Malwattage Celestine Violet Savitri Gunatilleke is professor emeritus at the University of Peradeniya in Sri Lanka's Central Province. She has had a long career in forest ecology and has been a leader in quantitative ecology and education. Most of her research has focused in the Sinharaja rain forest in Sri Lanka. She considers her main contribution to forest ecology to be spreading the idea that successful forest conservation depends on local conservationists. In line with this, she is proud of her students and their accomplishments in the field of conservation.
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