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Topic: Cuatro Ci

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Cuatro Cienegas - Earthwatch Pages - Project Briefing We are particularly interested in the endemic fish, Cichlasoma minckleyi, the Cuatro Ciénegas cichlid, interesting for its evolutionary history and ecology, and, as is the case for the entire fauna of the basin, it is threatened by habitat modifications. Cuatro Ci negas appears to be a small-scale repetition of the same sorts of things that heppened in the African Great Lakes. Cuatro Ciénegas is famous for its endemic fauna and flora, or species found there and nowhere else. www.utexas.edu /tmm/tnhc/fish/research/cc/pub/earthwatch2002/briefing.html   (9949 words)

current1.shtml With the 2005 meeting fast approaching in Cuatro Ciénegas, many new pages going online, and a change in the Image of the month over 5 years overdue, it seemed like a Cuatro Ciénegas photo would be appropriate. Those interested in other underwater pictures by Jacob can find some on the Cuatro Ciénegas home page - just reload the page to cycle through all the images available there. Here some Astyanax mexicanus head for the blue of La Becerra in April 2005. www.utexas.edu /tmm/sponsored_sites/dfc/imageofm/current1.shtml   (553 words)

evolution These species are: Gulf Coast Toad, (Bufo valliceps), Barking frog (Eleutherodactylus latrans), Four-lined skink (Eumeces tetragrammus), Blotched water snake (Natrix erythrogaster), and Coahuilan boxturtle (Terrapene coahuilae).With its abundant surficial water, Cuatro Ciénegas acts as a modern refuge for these mesic-species in the midst of the arid desert. Five of the relict species are found within the Cuatro Ciénegas basin and show little divergence from the main populations to the east. geography.berkeley.edu /PersonalPages/JHoward/evolution.html   (553 words)

evolution These species are: Gulf Coast Toad, (Bufo valliceps), Barking frog (Eleutherodactylus latrans), Four-lined skink (Eumeces tetragrammus), Blotched water snake (Natrix erythrogaster), and Coahuilan boxturtle (Terrapene coahuilae).With its abundant surficial water, Cuatro Ciénegas acts as a modern refuge for these mesic-species in the midst of the arid desert. Five of the relict species are found within the Cuatro Ciénegas basin and show little divergence from the main populations to the east. geography.berkeley.edu /PersonalPages/JHoward/evolution.html   (380 words)

endemism Endemism in the fauna of Cuatro Ciénegas is found especially in fish, reptiles, snails and crustaceans (Pinkava 1987:9). A number of studies cite varying numbers of Cuatro Ciénegas endemics, ranging from 60 to 100 plants and animals out of the approximately 1,000 species found in the basin. Although there are varying reports of the number of endemic species in the basin, all studies agree that the degree of endemism in the basin is extremely high. geography.berkeley.edu /PersonalPages/JHoward/endemisc.html   (380 words)

IWR: Cyprinodontiformes: Poeciliidae: Xiphophorus Xiphophorus gordoni Miller & Minckley - Cuatro Ciénegas platyfish / espada de Cuatro Ciénegas - text - photograph - In: TNHC Fishes of North America - Xiphophorus montezumae Jordan & Snyder - Montezuma swordtail / espada de Montezuma - photograph - In: TNHC Fishes of North America - Xiphophorus couchianus (Girard) - Monterrey platyfish / espada de Monterrey - photograph - In: TNHC Fishes of North America - www2.biology.ualberta.ca /jackson.hp/IWR/Taxa/Cyprinodontiformes/Poeciliidae/Xiphophorus/index.php   (95 words)

IWR: Cyprinodontiformes: Poeciliidae: Xiphophorus Xiphophorus gordoni Miller & Minckley - Cuatro Ciénegas platyfish / espada de Cuatro Ciénegas - text - photograph - In: TNHC Fishes of North America - Xiphophorus couchianus (Girard) - Monterrey platyfish / espada de Monterrey - photograph - In: TNHC Fishes of North America - www2.biology.ualberta.ca /jackson.hp/IWR/Taxa/Cyprinodontiformes/Poeciliidae/Xiphophorus/index.php   (95 words)

IWR: Taxa: Perciformes: Centrarchidae Micropterus salmoides ssp1 - Cuatro Ciénegas bass / lobina de Cuatro Ciénegas - photograph - In: TNHC Fishes of North America - Micropterus coosae Hubbs & Bailey - redeye bass - map - In: TNHC Fishes of North America - Micropterus salmoides (Lacèpéde) - largemouth bass / lobina negra - photograph - map - photograph - In: TNHC Fishes of North America - www2.biology.ualberta.ca /jackson.hp/IWR/Taxa/Perciformes/Centrarchidae/index.php   (95 words)

IWR: Perciformes: Cichlidae: Cichlasoma Cichlasoma minckleyi Komfield & Taylor - Cuatro Ciénegas cichlid/ mojarra de Cuatro Ciénegas - photograph - In: TNHC Fishes of North America - Cichlasoma steindachneri Jordan & Snyder - slender cichlid/ mojarra Ojo Frio - photograph - In: TNHC Fishes of North America - Cichlasoma istlantum (Jordan & Snyder) - redside cichlid/ mojarra del Balsas - photograph - In: TNHC Fishes of North America - www2.biology.ualberta.ca /jackson.hp/IWR/Taxa/Perciformes/Cichlidae/Cichlasoma/index.php   (95 words)

The Cichlid Room Companion - Herichthys minckleyi (Kornfield and Taylor, 1993) Kornfield, L. Irving and Taylor, Jeffrey, 1983, "A New Species of Polymorphic Fish, Cichlasoma minckleyi, from Cuatro Cienegas, México (Teleostei: Cichlidae)", Proceedings of the Biological Society of Washington, 96(2) 1983, pp. Kornfield, Irving and Taylor, Jeffrey N. ; 1983;" A new species of polymorphic fish Cichlasoma minckleyi, from Cuatro Ciénegas, Mexico (Teleostei: Cichlidae)". www.cichlidae.info /gallery/Herichthys/minckleyi.php   (4109 words)

Otro día más - Cien años de soledad relatividad Un 18 de abril -no uno cualquiera, sino el de 1905- Albert Einstein, a los 26 años, publicó cuatro trabajos en la revista ciéntifica alemana "Annalen der Physik": los cuatro artículos del "Annus Mirabilis", en los que explica el movimiento Browniano, el efecto fotoeléctrico y desarrollaba la relatividad especial y la equivalencia masa-energía. Pero hoy no sólo se cumplen cien años desde la publicación de estos artículos, sino también los cincuenta años de la muerte de este genio. Otro día más - Cien años de soledad relatividad www.otrodiamas.net /index.php/2005/04/18/cien_anos_de_ldelgsoledadl_delg_relativi   (4109 words)

MITOS CELTAS San Miguel es el Ángel de la Iglesia Católica, capitán general de las huestes celestes y protector del cristianismo militante, pero antes lo fue de la nación judía. Según Pausianas, el álamo blanco lo había introducido Hércules en Grecia al trasladarlo desde Egipto, y una leyenda latina señala que se ciñó la cabeza con álamo en señal de triunfo cuando mató al gigante Caco en la cueva del monte Aventino (Robert Graves, p. Antaño hubo una talla policromada de San Miguel en uno de los cuatro óculos de la fachada. web.jet.es /sotabur/MITOS.html   (4109 words)

evolution In the middle are intermediate levels of differentiation illustrated through species such as the Cuatro Ciénegas soft-shell (Trionyx ater), a species distinct morphologically yet hybridizes freely with invading populations of the Spiney soft-shell (Trionyx spiniferus) (Webb 1973). On one end there are highly differentiated species such as the Coahuilan box turtle (Terrapene coahuila), whose phyletic relationships are subject to controversy. A good example of the patterns of differentiation is found in a study of amphibians and reptiles conducted by C.J. McCoy (1984). geography.berkeley.edu /PersonalPages/JHoward/evolution.html   (380 words)

Historia (Santiago) - SINOPSIS DEL ESTUDIO DE LA ICONOGRAFÍA DE LA NUEVA CORONICA Y BUEN GOBIERNO ESCRITA POR FELIPE GUAMAN POMA DE AYALA La jerarquización del pensamiento incaico ordena valóricamente los cuatro cuadrantes del Tahuantinsuyu, de tal modo que el Chinchaysuyu es más que el Antisuyu dentro del mundo Hanan, y el Collasuyu es más que el Cuntisuyu en el mundo Hurin. Tras él se encuentra su padre, vistiendo también un unku (camisón) característico de su pueblo en el Chinchaysuyu y también lleva un manto terciado sobre el hombro derecho. Don Felipe está vestido con unku (camisón) y lleva un manto terciado sobre su hombro derecho, cubre su cabeza con un sombrero de tipo europeo y lleva calzado. www.scielo.cl /scielo.php?script=sci_arttext&pid=S0717-71942001003400003&lng=es&nrm=iso   (380 words)

WWF Global 200 Ecoregions -- Chihuahuan Freshwater (194) Cuatro Ciénegas has been called the freshwater Galapagos of the Americas because of the extraordinary diversity of freshwater species and numbers of species that are found only there. The streams and springs of the Chihuahuan Freshwater ecoregion are precious in such a dry landscape, but some springs are drying up from the unregulated extraction of groundwater, and habitat is being fragmented by the building of canals to irrigate crops. Many species of cichlid and cyprinid fishes, aquatic snails, and aquatic reptiles are found in the Chihuahuan Freshwater ecoregion and nowhere else in the world. www.worldwildlife.org /wildworld/profiles/g200/g194.html   (380 words)

articulo355.html A new species ofLeptocaris (Crustacea, Copepoda, Harpacticoida) was collected from stromatolites in two evaporitic lakes and a marsh in the Cuatro Ciénegas basin, in central Coahuila, México. A revised key to Leptocaris (Copepoda: Harpacticoida), including a new species from a shallow estuarine lake in Louisiana,NEast. This is the second record of the genus from inland waters of the Americas. biblioweb.dgsca.unam.mx /cienciasdelmar/instituto/1990-1/articulo355.html   (2129 words)

Venustiano Carranza Biography / Biography of Venustiano Carranza Biography Biography Venustiano Carranza was born in Cuatro Ciénegas, Coahuila, on Dec. 29, 1859. Carranza contributed significantly to the Mexican social revolution by his acceptance and promulgation of the Constitution, which provided the movement with its legal framework, even though the document differed so greatly from what he had proposed. Carranza sought to consolidate his control through a convention of the revolutionary generals, but the opposition of villistas and zapatistas forced removal of the gathering to Aguascalientes, where a rival regime emerged. www.bookrags.com /biography-venustiano-carranza   (2129 words)

Venustiano Carranza Biography / Profile of Venustiano Carranza Biographies Venustiano Carranza was born in Cuatro Ciénegas, Coahuila, on Dec. 29, 1859. Carranza served in the revolutionary movement's cabinet and, subsequently, as governor of Coahuila. The Mexican revolutionary and president Venustiano Carranza (1859-1920) led the constitutionalist movement against the Huerta government and convoked the constituent assembly which drafted the Constitution of 1917. www.bookrags.com /biography/venustiano-carranza   (2129 words)

La Venta Exploring Team :: Continuano le attività di esplorazione e ricerca :: Giovanni Badino ha effettuato una serie di misurazioni di temperatura molto interessanti: stiamo cominciando a capire le temperature medie delle grotte di Cuatro Ciénegas, il che potrebbe aiutarci nel riconoscere ingressi alti e bassi nei prossimi giorni. Vi passavano i carrelli che portavano il minerale al lungo piano inclinato: il percorso offre scorci mozzafiato quando i binari attraversano due ponti sospesi nel vuoto e tenuti insieme da travi fatiscenti. Nel frattempo in paese il professor Mendez ha portato alcuni di noi a vedere i resti di un paio di vulcani a nord, verso Ocampo; lungo il tragitto ha raccontato dell'esistenza di un misterioso monolite in pietra a 60 km da qui: sarebbe una sorta di antenna extraterrestre... laventa.it /it/4C-oldnews.html   (5252 words)

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