Auyán-tepui - Mountains - geo.wikisort.org

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Auyán Tepui (Spanish pronunciation: [awˈʝan teˈpuj]), also spelled Ayan,[2] is a tepui in Bolívar state, Venezuela.[1] It is the most visited and one of the largest (but not the highest) tepuis in the Guiana Highlands, with a summit area of 666.9 km² (257.5 sq mi) and an estimated slope area of 715 km² (276 sq mi).[1] The unevenly heart-shaped summit plateau of Auyán-tepui is heavily inclined, rising from around 1,600 metres (5,200 ft) in the northwest to a maximum of 2,450 m (8,040 ft) in the southeast.[1] It is incised from the north by a vast valley, the Cañón del Diablo (Devil's Canyon), formed by the Churún River. The larger western portion of the plateau is partially forested, whereas the eastern part comprises mostly bare rock with only patchy vegetation cover.[1] The mountain hosts a number of extensive cave systems.[3][4]

Auyán
Auyán Tepui seen at dusk from Campo Uruyen
Highest point
Elevation	2,450 m (8,040 ft)[1]
Coordinates	05°54′01″N 62°32′29″W
Geography
Auyán Location in Venezuela
Location	Bolívar, Venezuela

Auyán-tepui gives its name to the Auyán Massif, which also includes the tiny peaks of Cerro El Sol and Cerro La Luna to the north, and the satellite mountain of Uaipán-tepui to the south. The massif has a total summit area of roughly 670 km² (260 sq mi) and an estimated slope area of 795 km² (307 sq mi).[1] It is situated entirely within the bounds of Canaima National Park.[5] Auyán-tepui means "Devil's House" in the local Pemón language.[6]

Angel Falls, the tallest waterfall in the world, drops from a cleft near the summit. The falls are 979 meters (3,212 ft) high, with an uninterrupted descent of 807 meters (2,648 ft)[7] — a drop nineteen times higher than that of Niagara Falls.

Auyán-tepui achieved international fame in 1933 when Angel Falls was accidentally discovered by Jimmie Angel, a bush pilot searching for gold ore. Attempting to land on the heart-shaped mesa in 1937, Angel crashed his small Flamingo plane on top of Auyán-tepui and was forced to hike down the gradually sloping backside, a trip that took him and his crew 11 days to complete; he was immortalised when the waterfall was named after him.[6]

Around 25 species of amphibians and reptiles are known from the summit plateau of Auyán-tepui,[8][9] as well as numerous birds.[10][11][12][13] Like many tepuis, the mountain hosts a rich assemblage of flora.[14][15]

References

Huber, O. (1995). Geographical and physical features. In: P.E. Berry, B.K. Holst & K. Yatskievych (eds.) Flora of the Venezuelan Guayana. Volume 1. Introduction. Missouri Botanical Garden Press, St. Louis. pp. 1–61.
Barnett, A., R. Shapley, P. Benjamin, E. Henry & M. McGarrell (2002). "Birds of the Potaro Plateau, with eight new species for Guyana" (PDF). Cotinga 18: 19–36.
Piccini, L. (1995). "Karst in siliceous rocks: karst landforms and caves in the Auyán-tepui massif (Est. Bolivar, Venezuela)" (PDF).^{[permanent dead link]} International Journal of Speleology 24(1–4): 41–54.
Piccini, L. & M. Mecchia (1 May 2009). Solution weathering rate and origin of karst landforms and caves in the quartzite of Auyan-tepui (Gran Sabana, Venezuela). Geomorphology 106(1–2): 15–25. doi:10.1016/j.geomorph.2008.09.019
(in Spanish) Torres, I.N. & D.D. Martín (November 2007). "Informe Final de la Evaluación del Parque Nacional Canaima, Venezuela, como Sitio de Patrimonio Natural de la Humanidad" (PDF). Mejorando Nuestra Herencia.
Angel, K. (2001) [revised 2009, 2010]. "The Truth about Jimmie Angel and Angel Falls" (PDF). Alexander von Humboldt International Conference 2001, Humboldt State University, Arcata, California.
(in Spanish) Brewer-Carías, C. (2010). Tras la huella: del Salto Angel. Río Verde 2: 61–77.
Myers, C.W. & M.A. Donnelly (March 2008). The summit herpetofauna of Auyantepui, Venezuela: report from the Robert G. Goelet American Museum–Terramar Expedition. Bulletin of the American Museum of Natural History 308: 1–147. doi:10.1206/308.1
Myers, C.W., G.R. Fuenmayor & R.C. Jadin (August 2009). New species of lizards from Auyantepui and La Escalera in the Venezuelan Guayana, with notes on "microteiid" hemipenes (Squamata: Gymnophthalmidae). American Museum Novitates, no. 3660: 1–31. doi:10.1206/657.1
Chapman, F.M. (7 December 1939). The upper zonal birds of Mt. Auyan-tepui, Venezuela. American Museum Novitates, no. 1051: 1–15.
Gilliard, E.T. (7 May 1941). The birds of Mt. Auyan-tepui, Venezuela. Bulletin of the American Museum of Natural History 77(9): 439–508.
Barrowclough, G.F., Miguel Lentino R. & P.R. Sweet (1997). "New records of birds from Auyán-tepui, Estado Bolívar, Venezuela". Bulletin of the British Ornithologists' Club 117(3): 194–198.
(in Spanish) Lentino, M., L. Pérez, G. Barrowclough & P. Sweet (1999) ['1998']. Notas sobre las aves de la cima del Auyantepuy. Acta Terramaris 11: 1–12.
Gleason, H.A. & E.P. Killip (October 1938). The flora of Mount Auyan-tepui, Venezuela. Brittonia 3(2): 141–204. doi:10.2307/2804811
(in Spanish) Lindorf, H. (June 2006). La expedición universitaria a la meseta Auyán-tepui, abril 1956. Acta Botánica Venezuelica 29(1): 177–188.

(in Spanish) Brewer-Carías, C. (2010). El origen de los tepuyes: los hijos de las estrellas. Río Verde 3: 54–69.
De Marmels, J. (1983). The Odonata of the region of Mount Auyantepui and the Sierra de Lema, in Venezuelan Guyana. 3. Additions to the families Gomphidae, Aeshnidae and Corduliidae, with description of Progomphus racenisi spec. nov.. Odonatologica 12(1): 1–13.
De Marmels, J. (1994). Sympetrum chaconi spec. nov. from Auyan-Tepui, Venezuela, with notes on a pantepuyan form of Tramea binotata (Rambur) (Anisoptera: Libellulidae). Odonatologica 23(4): 405–412.
(in Spanish) Delascio Chitty, F. (1997). Apuntes sobre la vegetación del Auyantepui. Acta Terramaris 10: 27–42.
Dennison, L.R. (1942). Devil Mountain. Hastings House, New York. OCLC 58939919
Dunsterville, G.C.K. (August 1964). Auyantepui, home of fifty million orchids. American Orchid Society Bulletin 1964: 678–689.
Dunsterville, G.C.K. (1965). Auyantepui. Boletín de la Sociedad Venezolana de Ciencias Naturales 26(109): 163–171.
Dunsterville, G.C.K. & E. Dunsterville (1982). Auyán-tepui: reminiscences of an orchid search. In: J. Arditti (ed.) Orchid Biology: Reviews and Perspectives, II. Cornell University Press, Ithaca, New York. pp. 19–38.
Jaffe, K., J. Lattke & R. Perez-Hernández (January–June 1993). Ants on the tepuies of the Guiana Shield: a zoogeographic study. Ecotropicos 6(1): 21–28.
(in Spanish) Huber, O. (1976). Observaciones climatológicas sobre la región del Auyán-tepui (Edo. Bolívar). Boletín de la Sociedad Venezolana de Ciencias Naturales 32(132–133): 509–525.
(in Spanish) La Cruz, L. (February–April 2010). Iván Calderon y su mundo vertical. Río Verde 1: 98–115.
(in Spanish) Maguire, B. (1957). Resultados botánicos de la expedición de la Universidad Central de Venezuela a la región Auyantepui en la Guayana venezolana, abril de 1956. 1. Una nueva especie de la familia Cyperaceae. Acta Botánica Venezuelica 2(6): 43–45.
Mecchia, M. & L. Piccini (1999). Hydrogeology and SiO₂ geochemistry of the Aonda Cave system (Auyantepui, Bolivar, Venezuela). Boletín Sociedad Venezolana de Espeleología 33: 1–11.
Moldenke, H.N. (1957). Resultados botánicos de la expedición de la Universidad Central de Venezuela a la región Auyantepui en la Guayana venezolana, abril de 1956. 2. Three new species of the family Eriocaulaceae. Acta Botánica Venezuelica 2(7): 47–50.
Myers, C.W. (1997). Preliminary remarks on the summit herpetofauna of Auyantepui, eastern Venezuela. Acta Terramaris 10: 1–8.
(in Spanish) Phelps, W.H. (1938). La expedición del American Museum of Natural History al Monte Auyantepui. Boletín de la Sociedad Venezolana de Ciencias Naturales 4(32): 251–265.
(in Spanish) Rácenis, J. (May–August 1968). Los odonatos de la región del Auyantepui y de la Sierra de Lema, en la Guayana Venezolana. 1. Superfamilia Agrionoidea. Memoria de la Sociedad de Ciencias Naturales La Salle 28(80): 151–176.
(in Spanish) Rácenis, J. (1970). Los odonatos de la región del Auyantepui y de la Sierra de Lema, en la Guayana Venezolana. 2. Las familias Gomphidae, Aeshnidae y Corduliidae. Acta Biologica Venezuelica 7(1): 23–39.
(in Spanish) Roze, J.A. (1958). Los reptiles del Auyantepui, Venezuela, basándose en las colecciones de las expediciones de Phelps-Tate, del American Museum of Natural History, 1937–1938, y de la Universidad Central de Venezuela, 1956. Acta Biologica Venezuelica 2(22): 243–270.
(in Spanish) Señaris, J.C. (1995) ['1993']. Una nueva especie de Oreophrynella (Anura; Bufonidae) de la cima del Auyán-tepui, Estado Bolívar, Venezuela. Memoria de la Sociedad de Ciencias Naturales La Salle 53(140): 177–183.
(in Spanish) Señaris, J.C. & J. Ayarzagüena (1994) ['1993']. Una nueva especie de Centrolenella (Anura: Centrolenidae) del Auyán-tepui, Edo. Bolívar, Venezuela. Memoria de la Sociedad de Ciencias Naturales La Salle 53(139): 121–126.
(in Spanish) Steyermark, J.A. (1967). Flora del Auyán-tepui. Acta Botánica Venezuelica 2(5–8): 5–370.
(in Spanish) Tate, G.H.H. (1938). Auyantepui: notas sobre la Expedición Phelps (Phelps Venezuelan Expedition). Boletín de la Sociedad Venezolana de Ciencias Naturales 5(36): 96–125.
Tate, G.H.H. (July 1938). Auyantepui: notes on the Phelps Venezuelan Expedition. Geographical Review 28(3): 452–474. doi:10.2307/209741
Vareschi, V. (1958). Resultados botánicos de la expedición de la Universidad Central de Venezuela a la región Auyantepui en la Guayana venezolana, abril de 1956. 3. Hymenophyllopsis universitatis, a new species endemic to Guayana and its relatives. Acta Biologica Venezuelica 2(15): 151–162.

Tepuis

Brazil

Amazonas	Neblina–Aracamuni Massif Cerro de la Neblina
Roraima	Eastern Tepuis Roraima-tepui Uei-tepui Wei-Assipu-tepui

Guyana

Cuyuni-Mazaruni	Eastern Tepuis Roraima-tepui Wei-Assipu-tepui Yuruaní-tepui Maringma-tepui Mount Ayanganna Mount Venamo Mount Yakontipu
Potaro-Siparuni	Mount Kopinang Mount Wokomung
See also	Pacaraima Mountains

Venezuela¹

Amazonas	Cerro Aratitiyope Cerro Camani Cerro Guanay Cerro Tamacuari Cerro Yapacana² Cerro Yaví Cuao–Sipapo Massif Cerro Autana² Cerro Cuao Cerro Moriche Cerro Ovana Cerro Sipapo Duida–Marahuaca Massif Cerro Duida Cerro Huachamacari Cerro Marahuaca Neblina–Aracamuni Massif Cerro Aracamuni Cerro Avispa Cerro de la Neblina Parú Massif Cerro Euaja Cerro Parú Serranía Tapirapecó Sierra Unturán² Yutajé Massif Cerro Coro Coro Serranía Yutajé
Bolívar	Angasima-tepui Aprada Massif Aprada-tepui Araopán-tepui Auyán Massif Auyán-tepui Cerro El Sol Cerro La Luna Uaipán-tepui Cerro Guaiquinima² Cerro Guanacoco Cerro Ichún² Cerro Venado² Cerro Venamo² Chimantá Massif Abacapá-tepui Acopán-tepui Agparamán-tepui Amurí-tepui Apacará-tepui Chimantá-tepui Churí-tepui Murey-tepui Sarvén-tepui Tirepón-tepui Toronó-tepui Eastern Tepuis Ilú-tepui Karaurín-tepui Kukenán-tepui Roraima-tepui Tramen-tepui Uei-tepui Wadakapiapué-tepui Yuruaní-tepui Jaua Massif Cerro Jaua Cerro Sarisariñama Kurún-tepui² Los Testigos Aparamán-tepui Kamarkawarai-tepui Murisipán-tepui Tereke-yurén-tepui Ptari Massif Carrao-tepui Ptari-tepui Sororopán-tepui² Sierra de Lema² Sierra de Maigualida Sierra Marutaní² Upuigma-tepui
See also	Gran Sabana National parks of the Venezuelan Guayana Canaima Duida–Marahuaca Jaua–Sarisariñama Parima–Tapirapecó Serranía de la Neblina Yapacana Tepui caves and sinkholes Cueva del Fantasma Sima Humboldt Sima Martel Tepui waterfalls Angel Falls Cuquenán Falls Yutajé Falls
¹ List sourced from volume 1 of Flora of the Venezuelan Guayana; includes landforms that may not strictly conform to the definition of a tepui or table mountain. ² Poorly known sites or lower mountains treated as tepuis for historical reasons.

На других языках

[de] Auyan-Tepui

Der Auyan-Tepui (aus Pemón: Auyan „Teufel“ und Tepui „Haus“) ist ein bis zu 2450 Meter hoher Tafelberg (Tepui) im Süden von Venezuela im Nationalpark Canaima.

- [en] Auyán-tepui

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See also

References

Further reading

На других языках

[de] Auyan-Tepui

[es] Auyantepui

[fr] Auyan Tepuy

[it] Auyantepui

[ru] Ауян-Тепуи