Cerrar

No. de sistema: 000051010

LDR _ _ 00000nab^^22^^^^^za^4500
008 _ _ 120126m20119999waumr^p^^^^^^z0^^^a0eng^d
040 _ _ a| ECO
c| ECO
043 _ _ a| n-mx-tb
044 _ _ a| wau
100 1 _ a| Roach, Katherine A.
245 1 0 a| Hydrogen sulfide, bacteria, and fish
b| a unique, subterranean food chain
520 1 _ a| Photoautotrophs are generally considered to be the base of food webs, and habitats that lack light, such as caves, frequently rely on surface-derived carbon. Here we show, based on analysis of gut contents and stable isotope ratios of tissues (13C/12C and 15N/14N), that sulfur-oxidizing bacteria are directly consumed and assimilated by the fish Poecilia mexicana in a sulfide-rich cave stream in Tabasco state, Mexico. Our results provide evidence of a vertebrate deriving most of its organic carbon and nitrogen from in situ chemoautotrophic production, and reveals the importance of alternative energy production sources supporting animals in extreme environments.
650 _ 4 a| Poecilia mexicana
650 _ 4 a| Cadenas de alimentación (Ecología)
650 _ 4 a| Bacterias quimioautótrofas
651 _ 4 a| Tapijulapa, Tacotalpa (Tabasco, México)
700 1 _ a| Tobler, Michael
e| coaut.
700 1 _ a| Winemiller, Kirk O.
e| coaut.
n| 7003495043
773 0 _
t| Ecology
g| Vol. 93, no. 11 (November 2011), p. 2056-2062
x| 0012-9658
900 _ _ a| En hemeroteca, SIBE-San Cristóbal
902 _ _ a| Nzp / MM
904 _ _ a| Enero 2012
905 _ _ a| Artfrosur
LNG eng
Cerrar
*En hemeroteca, SIBE-San Cristóbal
Hydrogen sulfide, bacteria, and fish: a unique, subterranean food chain
Roach, Katherine A. (autor)
Tobler, Michael (autor)
Winemiller, Kirk O. (autor)
Contenido en: Ecology. Vol. 93, no. 11 (November 2011), p. 2056-2062. ISSN: 0012-9658
Bibliotecas:
San Cristóbal
No. de sistema: 51010
Tipo: Artículo
  • Consulta (1)




Inglés

"Photoautotrophs are generally considered to be the base of food webs, and habitats that lack light, such as caves, frequently rely on surface-derived carbon. Here we show, based on analysis of gut contents and stable isotope ratios of tissues (13C/12C and 15N/14N), that sulfur-oxidizing bacteria are directly consumed and assimilated by the fish Poecilia mexicana in a sulfide-rich cave stream in Tabasco state, Mexico. Our results provide evidence of a vertebrate deriving most of its organic carbon and nitrogen from in situ chemoautotrophic production, and reveals the importance of alternative energy production sources supporting animals in extreme environments."

SIBE San Cristóbal
Codigo de barra
Estado
Colección
51055-10
(Disponible)
Artículos de la frontera sur