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Aspectos ecofisiológicos del establecimiento de dos especies de árboles siempreverdes de las sabanas estacionales
(2012-06-26)
El patrón espacial y la abundancia relativa de gramíneas y árboles en las sabanas están
determinados por interacciones complejas y dinámicas entre el clima, la topografía, los
suelos, la geomorfología, la ...
Efectos de la deforestación sobre la dinámica hídrica de una selva nublada en la cuenca del río Cusiana, Colombia
(2012-06-19)
En este trabajo, se analiza parte de la dinámica hídrica tanto de una selva nublada
como en un pastizal establecido en las áreas deforestadas en un sector de la
Cuenca del Río Cusiana, para establecer los ...
Water relations and gas exchange in Coespeletia moritziana (Sch. Bip) Cuatrec., a giant rosette species of the high tropical Andes
(Photosynthetica 50: 429-436, 2012-04-26)
Giant rosettes are ones of the most striking features of the vegetation in the high tropical Andes, with Coespeletia moritziana reaching the highest altitudes up to 4,600 m a.s.l. Different from other giant rosettes, this ...
Freezing avoidance in tropical Andean bamboos
(LXth World bamboo Congress proceedings. Sección 2, Massachusetts, USA. pp. 247-257, 2012-04-15)
Frost resistance was compared in five species of different life forms in the neotropical woody bamboo genus Chusquea growing along a cloud forest-paramo gradient, between 2250-4010 m a.s.l. in the Venezuelan Andes. C. ...
Assessing and modeling the role of the native legume Lupinus meridanus in fertility restoration in a heterogeneous mountain environment of the tropical Andes
(Agriculture, Ecosystems and Environment 159 (2012) 29-39, 2012)
The role of the native legume Lupinus meridanus on fertility restoration in long fallow agriculture of the Venezuelan Andes was analyzed using field and laboratory data and a process-based model of succession (FAPROM). L. ...
Genetic typing of Trypanosoma cruzi isolates from different hosts and geographical areas of western Venezuela
(2011-12-13)
A total of 72 Trypanosoma cruzi isolates from different hosts and geographical regions of western Venezuela, where Chagas disease is endemic, were typed using ribosomal and mini-exon gene markers. The isolates were obtained ...