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Polhillia Ignota
''Polhillia ignota'' is a species of flowering plant in the genus ''Polhillia''. Prior to its rediscovery in September 2016, it was known from two specimens, and declared extinct in 2014. There are only 13 plants known, on a small renosterveld fragment less than in size. It is endemic to Eendekuil, in the Western Cape. Distribution ''Polhillia ignota'' is found from northern Swartland, between Vredenburg, Eendekuil and Porterville. Description ''Polhillia ignota'' is a large, rounded shrub, up to 1 m in height. Its inflorescences are yellow. Polhillia ignota 2.jpg Polhillia ignota 3.jpg Polhillia ignota 4.jpg Polhillia ignota 5.jpg Polhillia ignota 6.jpg Conservation status ''Polhillia ignota'' is classified as ''Critically Endangered'' as it occurs in critically endangered Swartland Shale Renosterveld, of which only 10% remain. A single, small subpopulation of 13 plants remain in a renosterveld fragment near Eendekuil, with an EOO , and an AOO of less than . The po ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
South African National Biodiversity Institute
The South African National Biodiversity Institute (SANBI) is an organisation established in 2004 in terms of the National Environmental Management: Biodiversity Act, No 10 of 2004, under the South African Department of Environmental Affairs (later named Department of Environment, Forestry and Fisheries The Department of Environment, Forestry & Fisheries is one of the departments of the South African government. It is responsible for protecting, conserving and improving the South African environment and natural resources. It was created i ...), tasked with research and dissemination of information on biodiversity, and legally mandated to contribute to the management of the country’s biodiversity resources. History SANBI was established on 1 September 2004 in terms of the National Environmental Management: Biodiversity Act, No 10 of 2004. Previously, in 1989, the autonomous statutory National Botanical Institute (NBI) had been formed from the National Botanic Garde ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Porterville, South Africa
Porterville is a town in the Western Cape province of South Africa. The town is located at the foot of the Olifants River Mountains, 27 km south-east of Piketberg and 155 km north-east of Cape Town. It is situated 140 km north of Cape Town on R44 road at the base of the Olifants River mountains. The Dasklip Pass to the surrounding Groot Winterhoek mountains is located 14 km outside of the town. The Soom Shale, a notable deposit of Late Ordovician era fossils, is located near the town. Agriculture in the area is dominated by wheat production. The closest towns are Piketberg to the west, Saron to the south, and Eendekuil and Citrusdal to the north. History Prior to European settlement the area was inhabited by Khoekhoen nomadic pastoralists. The town was laid out in 1863 on Pomona's farm, previously owned by Willems Vallei. The town was established in 1863 and named after William Porter, who served as Attorney General of the Cape Colony from 1839 to 1866, and bec ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Flora Of South Africa
The wildlife of South Africa consists of the flora and fauna of this country in southern Africa. The country has a range of different habitat types and an ecologically rich and diverse wildlife, vascular plants being particularly abundant, many of them endemic to the country. There are few forested areas, much savanna grassland, semi-arid Karoo vegetation and the fynbos of the Cape Floristic Region. Famed for its national parks and big game, 297 species of mammal have been recorded in South Africa, as well as 849 species of bird and over 20,000 species of vascular plants. Geography South Africa is located in subtropical southern Africa, lying between 22°S and 35°S. It is bordered by Namibia, Botswana and Zimbabwe to the north, by Mozambique and Eswatini (Swaziland) to the northeast, by the Indian Ocean to the east and south, and the Atlantic Ocean to the west, the coastline extending for more than . The interior of the country consists of a large, nearly flat, plateau wit ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Endemic Flora Of South Africa
Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsewhere. For example, the Cape sugarbird is found exclusively in southwestern South Africa and is therefore said to be ''endemic'' to that particular part of the world. An endemic species can be also be referred to as an ''endemism'' or in scientific literature as an ''endemite''. For example ''Cytisus aeolicus'' is an endemite of the Italian flora. ''Adzharia renschi'' was once believed to be an endemite of the Caucasus, but it was later discovered to be a non-indigenous species from South America belonging to a different genus. The extreme opposite of an endemic species is one with a cosmopolitan distribution, having a global or widespread range. A rare alternative term for a species that is endemic is "precinctive", which applies to s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Habitat Degradation
Habitat destruction (also termed habitat loss and habitat reduction) is the process by which a natural habitat becomes incapable of supporting its native species. The organisms that previously inhabited the site are displaced or dead, thereby reducing biodiversity and species abundance. Habitat destruction is the leading cause of biodiversity loss. Fragmentation and loss of habitat have become one of the most important topics of research in ecology as they are major threats to the survival of endangered species. Activities such as harvesting natural resources, industrial production and urbanization are human contributions to habitat destruction. Pressure from agriculture is the principal human cause. Some others include mining, logging, trawling, and urban sprawl. Habitat destruction is currently considered the primary cause of species extinction worldwide. Environmental factors can contribute to habitat destruction more indirectly. Geological processes, climate change, i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Area Of Occupancy
Area is the quantity that expresses the extent of a region on the plane or on a curved surface. The area of a plane region or ''plane area'' refers to the area of a shape or planar lamina, while ''surface area'' refers to the area of an open surface or the boundary of a three-dimensional object. Area can be understood as the amount of material with a given thickness that would be necessary to fashion a model of the shape, or the amount of paint necessary to cover the surface with a single coat. It is the two-dimensional analogue of the length of a curve (a one-dimensional concept) or the volume of a solid (a three-dimensional concept). The area of a shape can be measured by comparing the shape to squares of a fixed size. In the International System of Units (SI), the standard unit of area is the square metre (written as m2), which is the area of a square whose sides are one metre long. A shape with an area of three square metres would have the same area as three such squa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Extent Of Occurrence
Extent may refer to: Computing * Extent (file systems), a contiguous region of computer storage medium reserved for a file * Extent File System, a discontinued file system implementation named after the contiguous region * Extent, a chunk of storage space logical volume management uses internally to provide various device mappings * Extent, in computer programming, is the period during which a variable has a particular value Other * Extent, a technical description of the wingspan of a bird, bat, or other flying animal * Extent, a writ allowing a creditor to seize or assume temporary ownership of a debtor's property; also, the actual seizure in its execution * Map extent A map extent is the portion of area of a region shown in a map. The limits of a map extent are defined in the coordinate system In geometry, a coordinate system is a system that uses one or more numbers, or coordinates, to uniquely determine ..., the portion of a region shown in a map See also * Ex ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Swartland Shale Renosterveld
Swartland Shale Renosterveld (West Coast Renosterveld) is a critically endangered vegetation type of the Western Cape, South Africa. Distribution This unique type of Renosterveld vegetation occurs over the Swartland and Boland areas, on the West Coast lowlands to the north of Cape Town. It extends from north of Piketberg, southwards as far as Somerset West. Around 10 percent of this area lies within the Cape Town metropol (where historically it was the most widespread form of Renosterveld, especially concentrated on the Tygerberg Hills in the northern suburbs) and, overall, over 90 percent of this vegetation has been destroyed for farming and other development. The remaining patches are threatened by invasive alien plants and further development, making this vegetation type critically endangered. Description Undisturbed, it forms tall, open shrubland over undulating valleys and plains. It usually grows in clay soils that are derived from the Malmesbury Group Shales. Termite mo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Vredenburg
Vredenburg is a town of the Cape West Coast in the Western Cape province of South Africa. "Vrede" is Afrikaans for peace. It is the transportation and commercial hub of the West Coast area and administrative centre of the Saldanha Bay Local Municipality. It is located 12 kilometres inland from the coast at Saldanha Bay on the Cape Columbine Peninsula 138 km north of Cape Town. History The town was established in 1875 initially as a Dutch Reformed Church congregation to serve the surrounding communities, as the closest church was in Hopefield. The town's original name was "Twisfontein", which from Afrikaans can be translated as "dispute fountain". This name came about when two competing farmers fought over the only available freshwater spring in the area. The town's name was later changed to "Prosesfontein". The town was renamed as they were discussing the matter of the freshwater spring and were trying to come to an agreement. When this agreement was settled and they have a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
South African National Biodiversity Institute
The South African National Biodiversity Institute (SANBI) is an organisation established in 2004 in terms of the National Environmental Management: Biodiversity Act, No 10 of 2004, under the South African Department of Environmental Affairs (later named Department of Environment, Forestry and Fisheries The Department of Environment, Forestry & Fisheries is one of the departments of the South African government. It is responsible for protecting, conserving and improving the South African environment and natural resources. It was created i ...), tasked with research and dissemination of information on biodiversity, and legally mandated to contribute to the management of the country’s biodiversity resources. History SANBI was established on 1 September 2004 in terms of the National Environmental Management: Biodiversity Act, No 10 of 2004. Previously, in 1989, the autonomous statutory National Botanical Institute (NBI) had been formed from the National Botanic Garde ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Swartland
The Swartland is a region of Western Cape Province that begins some north of Cape Town and consists of the area between the towns of Malmesbury in the south, Darling in the west, Piketberg in the north, Moorreesburg in the middle and the Riebeek West and Riebeek Kasteel in the east. Jan van Riebeeck called this softly undulating country between the mountain ranges "Het Zwarte Land" (the Black Land) because of the endemic Renosterbos (''Elytropappus rhinocerotis''). After the rains, mainly in winter, the Renosterbos takes on a dark appearance when viewed from the distance in large numbers. This is due to the fine leaf-hairs adhering to the leaves when wet. The wide fertile plain is the bread basket of Cape Town with its wheat fields reaching up to the foot of the mountains, interrupted by wine, fruit, and vegetable farms. In Moorreesburg can be found only one of two museums in the world that shows the history of wheat farming. Viticulture in the Swartland is still comparatively ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Western Cape
The Western Cape is a province of South Africa, situated on the south-western coast of the country. It is the fourth largest of the nine provinces with an area of , and the third most populous, with an estimated 7 million inhabitants in 2020. About two-thirds of these inhabitants live in the metropolitan area of Cape Town, which is also the provincial capital. The Western Cape was created in 1994 from part of the former Cape Province. The two largest cities are Cape Town and George. Geography The Western Cape Province is roughly L-shaped, extending north and east from the Cape of Good Hope, in the southwestern corner of South Africa. It stretches about northwards along the Atlantic coast and about eastwards along the South African south coast ( Southern Indian Ocean). It is bordered on the north by the Northern Cape and on the east by the Eastern Cape. The total land area of the province is , about 10.6% of the country's total. It is roughly the size of England or th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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