In: Behavioral Ecology, 2001, vol. 12, no. 5, p. 600-606
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In: Cogitatio, 2016, p. 95-106
At least three traditions in sociological thought address the question of social inclusion. In the systems theory proposed by Luhmann, inclusion means that individuals are able to adapt and gain access to functional subsystems, such as the labor market or the welfare state. In the tradition of Simmel, social inclusion is seen as an outcome of “cross-cutting social circles”. Both...
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In: Journal of Evolutionary Biology, 2013, vol. 26, no. 9, p. 1959–1967
Shifts in host-plant use by phytophagous insects have played a central role in their diversification. Evolving host-use strategies will reflect a trade-off between selection pressures. The ecological niche of herbivorous insects is partitioned along several dimensions, and if populations remain in contact, recombination will break down associations between relevant loci. As such, genetic...
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In: Journal of Theoretical Biology, 2004, vol. 228(2), p. 241
Understanding the mechanisms that promote coexistence among species is a fundamental problem in evolutionary ecology. Such mechanisms include environmental noise, spatial population structure, density dependence, and genetic variation. In natural populations such factors may exert combined effects on coexistence. Thus, to disentangle the contribution of several factors to coexistence, their...
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In: Mathematical Biosciences, 2004, vol. 191, p. 207
A model is presented of competition between sensory axons for trophic molecules (e.g. a neurotrophin such as NGF), produced in a region of skin small enough to permit their free diffusion throughout it; e.g., a touch dome, or a vibrissal follicle hair sinus. The variables specified are the number of high affinity trophic factor receptors per axon terminal and the concentration of trophic factor...
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