Cell behaviors underlying Myxococcus xanthus aggregate dispersal

ABSTRACT The soil bacterium Myxococcus xanthus is a model organism with a set of diverse behaviors.These behaviors include the starvation-induced multicellular development program, in which cells move collectively to assemble multicellular aggregates.After initial aggregates have formed, some will disperse, with smaller aggregates having a higher c

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Portfolio selection theory and wildlife management

With a strong commercial incentive driving the increase in game ranching in Southern Africa the need has come for more advanced management tools.In this paper the potential of Portfolio Selection Theory to determine the optimal mix of species on game ranches is explored.Land, or the food it produces, is a Barbells resource available to invest.We co

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