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BENITO BRICEÑO ; AURA AZÓCAR ;Revista Chilena de Historia Natural 2008, 81 3

Autor: FERMÍN RADA

Fuente: http://www.redalyc.org/articulo.oa?id=369944287003


Introducción



Revista Chilena de Historia Natural ISSN: 0716-078X editorial@revchilhistnat.com Sociedad de Biología de Chile Chile RADA, FERMÍN; BRICEÑO, BENITO; AZÓCAR, AURA How do two Lupinus species respond to temperature along an altitudinal gradient in the Venezuelan Andes? Revista Chilena de Historia Natural, vol.
81, núm.
3, 2008, pp.
335-343 Sociedad de Biología de Chile Santiago, Chile Available in: http:--www.redalyc.org-articulo.oa?id=369944287003 How to cite Complete issue More information about this article Journals homepage in redalyc.org Scientific Information System Network of Scientific Journals from Latin America, the Caribbean, Spain and Portugal Non-profit academic project, developed under the open access initiative RevistaGRADIENT Chilena de Historia Natural LUPINUS RESPONSES TO TEMPERATURE ALONG A ALTITUDINAL 335 81: 335.-343, 2008 How do two Lupinus species respond to temperature along an altitudinal gradient in the Venezuelan Andes? ¿Cómo responden dos especies de Lupinus a la temperatura en un gradiente altitudinal en los Andes venezolanos? FERMÍN RADA 1, BENITO BRICEÑO 2 & AURA AZÓCAR 1 1 Instituto de Ciencias Ambientales y Ecológicas (ICAE), Facultad de Ciencias, Universidad de los Andes, Mérida, Venezuela 2 Departamento de Biología, Facultad de Ciencias, Universidad de los Andes, Mérida, Venezuela *e-mail for correspondence: frada@ula.ve ABSTRACT Temperature determines plant formations and species distribution along altitudinal gradients.
Plants in the tropical high Andes, through different physiological and morphological characteristics, respond to freezing night temperatures and high daytime energy inputs which occur anytime of the year.
The main objective of this study was to characterize day and night temperature related responses of two Lupinus species with different altitudinal ranges (L.
meridanus, 1,800-3,600 and L.
eromonomos, 3,700-4,300 m of altitude).
Are there differences in night low temperature resistance mecha...





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