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Pulliam, 2000

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Figure 1 Four views of the relationship between niche and species distribution. In each diagram, the solid oval refers to the fundamental niche or the combination of environmental factors (e 1 and e 2 ) for which the species has a finite rate of increase (
Figure 2 The relationship between species distribution in niche space and suitable habitat in real (geographical) space
Figure 3 Population density in the presence and absence of a competitor. The solid line shows the mean density of a species with optimum pH of 7.0 along a pH gradient in the absence of a competitor species
Figure 4 Fraction of the total population in various portions of niche space for species with different dispersal parameters
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