West Kalimantan is a province of Indonesia. It is one of five Indonesian provinces comprising Kalimantan, the Indonesian part of the island of Borneo. Its capital and largest city is Pontianak. It is bordered by East Kalimantan and Central Kalimantan to the east, the Malaysian state of Sarawak to the north, and the Bangka Belitung Islands to the west and the Java Sea to the south. The province has an area of 147,037 km2, and had a population of 4,395,983 at the 2010 Census and 5,414,390 at the 2020 Census; the official estimate as at mid 2023 was 5,623,328, and was projected to rise to 5,695,500 at mid 2024. Ethnic groups include the Dayak, Malay, Chinese, Javanese, Bugis, and Madurese. The borders of West Kalimantan roughly trace the mountain ranges surrounding the vast watershed of the Kapuas River, which drains most of the province. The province shares land borders with Central Kalimantan to the southeast, East Kalimantan to the east, and the Malaysian territory of Sarawak to the north.
Central Kalimantan is a province of Indonesia. It is one of five provinces in Kalimantan, the Indonesian part of Borneo. It is bordered by West Kalimantan to the west, South Kalimantan and East Kalimantan to the east, Java Sea to the south and is separated narrowly from North Kalimantan and Malaysia by East Kalimantan's Mahakam Ulu Regency. Its provincial capital is Palangka Raya and in 2010 its population was over 2.2 million, while the 2020 Census showed a total of almost 2.67 million; the official estimate as at mid 2023 was 2,774,747, and was projected to rise to 2,809,700 at mid 2024.
Ujung Kulon National Park is a national park at the westernmost tip of Java, located in Sumur District of Pandeglang Regency, part of Banten province in Indonesia. It once included the volcanic island group of Krakatoa in Lampung province, although current maps has suggested the Krakatoa island group as its own protected area, the Pulau Anak Krakatau Marine Nature Reserve.
Palangka Raya is the capital and largest city of the Indonesian province of Central Kalimantan. The city is situated between the Kahayan and the Sabangau rivers on the island of Borneo. As of the 2020 census, the city has a population of 293,500; the official estimate as at mid 2023 was 305,797. Palangka Raya is the largest city by land area in Indonesia ; however, most of the area is forested including protected forests, nature conservation areas, and Tangkiling Forest.
Kayan Mentarang National Park is a densely forested national park located in the Indonesian province of North Kalimantan, on the island of Borneo. The national park is named after a great dispersed Mentarang mountain trails plateau of Apau Kayan which covers the entire park from Datadian area in south region to Apau Ping area in mid region until Long Bawan in north region.
Lore Lindu National Park is a protected area of forest on the Indonesian island of Sulawesi, in the province of Central Sulawesi. The Indonesian national park is 2,180 km2 covering both lowland and montane forests. It provides habitat to numerous rare species, including 77 bird species endemic to Sulawesi. The national park is designated as part of the UNESCO World Network of Biosphere Reserves. In addition to its rich wildlife, the park also contains megaliths dating from before 1300 AD.
Nepenthes ephippiata, or the saddle-leaved pitcher-plant, is a tropical pitcher plant endemic to Borneo. It occurs in the Hose Mountains of central Sarawak, as well as Mount Raya and Bukit Lesung in Kalimantan. It grows in montane forest from 1,000 to 1,900 meters elevation.
Nepenthes × hookeriana, or Hooker's pitcher-plant, is a common natural hybrid involving N. ampullaria and N. rafflesiana. It was originally described as a species.
Mount Palung National Park lies on the island of Borneo, in the Indonesian province of West Kalimantan, north of Ketapang and east of Sukadana.
Nepenthes × trichocarpa, the dainty pitcher-Plant, is a common natural hybrid involving N. ampullaria and N. gracilis. It was originally thought to be a distinct species and was described as such.
Betung Kerihun National Park is a national park located in the Indonesian province of West Kalimantan, on the island of Borneo. The park was established in 1995, and has a total area of 8,000 km2 (3,100 sq mi) or about 5.5 percent of West Kalimantan Province area. Together with the 2,000 km2 (800 sq mi) Lanjak Entimau Wildlife Sanctuary in Malaysia, it has been proposed to form a World Heritage Site named the "Transborder Rainforest Heritage of Borneo".
The Borneo Orangutan Survival (BOS) Foundation is an Indonesian non-profit non-governmental organization founded by Dr. Willie Smits in 1991 and dedicated to the conservation of the endangered Bornean orangutan and its habitat through the involvement of local people. It is audited by an external auditor company and operates under the formal agreement with the Indonesian Ministry of Forestry to conserve and rehabilitate orangutans. The BOS Foundation manages orangutan rescue, rehabilitation and re-introduction programmes in East and Central Kalimantan. With more than 400 orangutans in its care and employing more than 440 people at a 10 sites BOS Foundation is the biggest non-human primate conservation non-governmental organization worldwide. Nyaru Menteng and Samboja Lestari are the BOS Foundation sites that have received most extensive media coverage. Nyaru Menteng, founded by Lone Drøscher Nielsen, has been the subject of a number of TV series, including Orangutan Diary, Orangutan Island and the series Orangutan Jungle School, airing since 2018.
The Borneo lowland rain forests is an ecoregion, within the tropical and subtropical moist broadleaf forests biome, of the large island of Borneo in Southeast Asia. It supports approximately 15,000 plant species, 380 bird species and several mammal species. The Borneo lowland rain forests is diminishing due to logging, hunting and conversion to commercial land use.
Tanjung Puting National Park is a national park in Indonesia located in the southeast part of West Kotawaringin Regency in the Indonesian province of Central Kalimantan. The nearest main town is the capital of the Regency, Pangkalan Bun. The park is famous for its orangutan conservation.
The Lake Sentarum National Park is a national park protecting one of the world's most biodiverse lake systems, located in the heart of Borneo Island, Kapuas Hulu Regency, West Kalimantan Province, Indonesia. It lies in the upper Kapuas River tectonic basin some 700 kilometres upstream from the delta. The basin is a vast floodplain, consisting of about 20 seasonal lakes, freshwater swamp forest and peat swamp forest. Local people call it as Lebak lebung (floodplain). The National Park is located in the western part of this basin, where three-quarters of the seasonal lakes occur. Approximately half of the park consists of lakes, while the other half consists of freshwater swamp forest.
Teluk Cenderawasih National Park is the largest marine national park of Indonesia, located in Cenderawasih Bay, south-east of Bird's Head Peninsula. It includes the islands of Mioswaar, Nusrowi Island, Roon, Rumberpon, Anggrameos and Yoop. The park protects a rich marine ecosystem, with over 150 recorded coral species, for which it is considered a potential World Heritage Site.
The Borneo montane rain forests is an ecoregion on the island of Borneo in Southeast Asia. It includes montane tropical and subtropical moist broadleaf forests, also known as a cloud forests. The ecoregion is partly in East Malaysia and Indonesia (Kalimantan).
The Heart of Borneo is a conservation agreement initiated by the World Wide Fund for Nature to protect a 220,000 km² forested region on Borneo island. The agreement was signed by the governments of Brunei, Indonesia and Malaysia in Bali on 12 February 2007 to support the initiative. The region provides habitat to 10 endemic species of primates, more than 350 birds, 150 reptiles and amphibians and 10,000 plants. From 2007 to 2010 a total of 123 new species have been recorded in the region. A status report from 2012 found that the lowland rain forest within the area is deteriorating and under threat. The Bornean rhinoceros was the most threatened fauna, in 2015 three captive individuals remained in Sabah.
Alcalus rajae, sometimes known as king dwarf mountain frog, is a species of frog in the family Ceratobatrachidae, subfamily Alcalinae. It is endemic to Kalimantan, Borneo (Indonesia), and known from its type locality in the Bukit Baka Bukit Raya National Park, as well as the Gunung Penrissen Nature Reserve, both in the West Kalimantan province, and from the Meratus Protected Forest in the South Kalimantan province. The specific name rajae refers to the type locality: Bukit Raya is the highest mountain in Kalimantan, getting its name from the Indonesian word raya, signifying the majestic size of the peak. It also alludes to the relatively large size of this species relative to its (then) congeners.
