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Prey Distribution as a Factor Determining the Choice of Optimal Foraging Strategy
The optimal-patch-use problem in predation theory is investigated by use of a stochastic discrete model to match experimental situations when deterministic continuous models are inappropriate. WeExpand
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Sympatric speciation by sexual selection
There is increasing evidence for the process of sympatric speciation, in which reproductive isolation of species occurs without physical isolation. Theoretical models have focused on disruptiveExpand
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Resolution of finite fuzzy relation equations
Abstract General schemes for solving fuzzy relation equations with finite sets are derived in this paper. The relationship between the results derived here and those of previous publicationsExpand
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MEASURES OF UNCERTAINTY AND INFORMATION BASED ON POSSIBILITY DISTRIBUTIONS
Abstract A measure of uncertainly and information for possibility theory is introduced in this paper The measure is called the U-uncertainty or, alternatively, the U-information. Due to itsExpand
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Evolution of mutualism through spatial effects.
Mutualism among species is ubiquitous in natural ecosystems but its evolution is not well understood. We provided a simple lattice model to clarify the importance of spatial structure for theExpand
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What Determines Animal Group Size? Insider-Outsider Conflict and Its Resolution
Many species of animals form groups, ranging from colonies of social insects (Wilson 1971) and birds-in particular, waterbirds (Brown et al. 1990)-to foraging groups of lions (Caraco and Wolf 1975;Expand
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Dominance of Indirect Causality in Ecosystems
Par un developpement theorique, les auteurs montrent l'importance quantitative des effets indirects et leur dominance probable dans les ecosystemes naturels sur les effets directs, afin de repondre aExpand
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ON MEASURES OF FUZZINESS AND FUZZY COMPLEMENTS
An axiomatic framework for formalizing the most general class of fuzzy complements is introduced in this paper. It is then used for investigating a general class of measures of fuzziness based on theExpand
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Theories on the Sociality of Termites
This chapter reviews social evolution and organization, highlighting termites. First, we review the distribution and evolutionary patterns of eusociality, characterized by the sterile worker andExpand
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Carbon—nitrogen balance and termite ecology
Termites, feeding on dead plant matter with a carbon to nitrogen ratio much higher than their own tissues, have to balance their C and N inputs. Two classes of C-N balancing mechanisms are possible:Expand
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