Aljos Farjon's An Atlas of the World's Conifers: An Analysis of Their PDF

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By Aljos Farjon

ISBN-10: 9004211802

ISBN-13: 9789004211803

A 2014 selection journal "Outstanding educational name" "An Atlas of the realm s Conifers" is the 1st ever atlas of all recognized conifer species. it's a finished paintings describing the ordinary distribution, biogeography, range and conservation prestige of the conifers on all continents."

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Extra info for An Atlas of the World's Conifers: An Analysis of Their Distribution, Biogeography, Diversity, and Conservation Status

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Taxus canadensis is the widespread species in E North 32 global and trans-continental distributions America, T. cuspidata the species of the sixth region (Japan and environs). This biogeographical pattern is well known from many genera of trees and is best explained as another example of vicariance. Taxus chinensis and T. wallichiana (incl. T. sumatrana) also form a clade and here the nature of the distribution, with scattered outliers on islands related to a large and more contiguous distribution in mainland Asia, would suggest that dispersal events have played a significant role in the distribution and separation of these species.

The Hungarian Plain stands out clearly as an open space in Central Europe, lacking any conifer species. This pattern repeats itself in Asia from ca. 45° N all the way to the southernmost occurrence of Pinus merkusii; few species occur in the lowlands and, as in Europe, these are pines (Pinus). Conifer forests in the mountains of Asia are almost everywhere dominated by species of the Pinaceae. In North America the montane to subalpine conifer forests of the USA, Mexico and parts of Central America are likewise dominated by species of Pinaceae.

Although California and the Klamath Mountains clearly stand out as the (partly overlapping) centres of diversity for conifers in North America, their levels of endemism (ca. 20% for California) are too low to treat them as separate sections in this Atlas. The species in this chapter are mapped and discussed in taxonomic order, but with distribution patterns as a secondary criterion for grouping them. The sequence of families and genera follows the one presented in Christenhusz et al. (2011) to reflect phylogenetic relationships.

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An Atlas of the World's Conifers: An Analysis of Their Distribution, Biogeography, Diversity, and Conservation Status by Aljos Farjon

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