Variational model of microorganism polyculture development without re-supply of mutually irreplaceable resources

P.V. Fursova and A.P. Levich

Ecological Modelling, 2007, vol. 200, issue 1, 160-170

Abstract: Stationary stage of accumulating cultures of Pseudomonas aeruginosa dissociants is described by variational model of consumption and growth. The “generalized entropy” as a goal function is used. Model's parameters are the dissociants requirements for basic nutrients: carbon, nitrogen and phosphorus. Using this model we calculate the limitation ranges for arbitrary combinations of environmental resource factors and the community population sizes at a stationary stage of growth as functions of the resources that constrain the growth. The requirements values obtained from experimental data allowed us to predict the limiting resources and dissociant's abundances. Our estimations match experimental results. The possibility of composition control is discussed in paper.

Keywords: Variational modelling; Extremal principles; Limiting resources; Species composition; Community structure regulation (search for similar items in EconPapers)
Date: 2007
References: View references in EconPapers View complete reference list from CitEc
Citations:

Downloads: (external link)
http://www.sciencedirect.com/science/article/pii/S0304380006003395
Full text for ScienceDirect subscribers only

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:eee:ecomod:v:200:y:2007:i:1:p:160-170

DOI: 10.1016/j.ecolmodel.2006.07.029

Access Statistics for this article

Ecological Modelling is currently edited by Brian D. Fath

More articles in Ecological Modelling from Elsevier
Bibliographic data for series maintained by Catherine Liu ().