Existen múltiples bacterias que pueden metabolizar selenito a selenio, no obstante, en muchos casos no se conocen bien los mecanismos mediante los cuales estos microorganismos llevan a cabo este proceso, siendo Pseudomonas ...

The evolutionary effects of crowding on male courtship behavior were studied using wild and mass-reared medflies. Mass-reared strains had been raised under highly crowded conditions in mass-rearing facilities for ...

Eight alkaloids have been identified from fresh leaves of Crinum erubescens (Amaryllidaceae) collected in Costa Rica. The alkaloid 1-epidemethylbowdensine, detected by means of GC–MS as part of a global Amaryllidaceae ...

Estudiar la estructura y la composición florística de los bosques secundarios del Jardín Botánico Lankester.

The lack of secondary meristems shapes allometric relationships of the palms, infl uencing species segregation according to their capacity to adjust form and function to spatial and temporal changes in environmental ...

Masdevallia utriculata and M. zahlbruckeri are characterized and illustrated based on living plants from Costa Rica. The species are compared with each other on the basis of their general similar morphology. Their taxonomic ...

La especie Caryocar costaricense pertenece a la familia Caryocaraceae. Fue descrita en 1913 por el botánico estadounidense John Donnell Smith (el capitán Smith). El nombre Caryocar se deriva del Griego Karyon, “nuez” y del ...