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Influenza A Viruses in the Swine Population: Ecology and Geographical Distribution. [PDF]

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The geographical distribution of rarity

Oecologia, 1987
This paper asks the question: are most species that are censused as rare in particular localities rare throughout most of their geographic ranges, or are they common in substantial portions of their ranges elsewhere? The first alternative is labeled suffusive rarity and the second diffusive rarity.
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Geographical distribution.

1906
Present distribution cannot be accounted for by differences in physical conditions—Importance of barriers—Affinity of the productions of the same continent—Centres of creation—Means of dispersal, by changes of climate and of the level of the land, and by occasional means—Dispersal during the Glacial period co-extensive with...
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Geographical distribution—Continued.

2008
Distribution of fresh-water productions—On the inhabitants of oceanic islands—Absence of Batrachians and of terrestrial Mammals—On the relation of the inhabitants of islands to those of the nearest mainland—On colonisation from the nearest source with subsequent modification—Summary of the last and present chapters.
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Geographical Distribution

2023
Abstract In this chapter, Darwin explains why the same animal and plant species are often found living in many different places that are widely separated from each other, and why areas that are separated by physical barriers that prevent migration between them sometimes have similar species and sometime have different species.
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