Population dynamics of Pseudomonas sp. along a spatial gradient of phosphate: an experimental approach for spatial ecology
Rev. bras. biol
; 60(4): 637-644, Nov. 2000. ilus, graf, tab
Article
en En
| LILACS
| ID: lil-303337
Biblioteca responsable:
BR1.1
RESUMO
Many theoretical models have been proposed to study the effect of space on population dynamics and interactions, but most of them are difficult to translate into experimental setups due to their abstract nature. Here we defend the gradostat as a valuable experimental tool for testing such theories. The gradostat is a culture system with bi-directional flow that forms nutrient gradients at steady state. In this study, we use a 3-vessel gradostat with a phosphate gradient to study the effect of spatial heterogeneity on the spatial distribution of Pseudomonas sp., an heterotrophic aquatic bacterium. The observed distributions partially agree with theoretical predictions, obtained from a mathematical model
Texto completo:
1
Base de datos:
LILACS
Asunto principal:
Fósforo
/
Pseudomonas aeruginosa
/
Modelos Biológicos
Tipo de estudio:
Prognostic_studies
Idioma:
En
Revista:
Rev. bras. biol
Asunto de la revista:
BIOLOGIA
Año:
2000
Tipo del documento:
Article
País de afiliación:
Estados Unidos