Read e-book online An Atlas of the World's Conifers: An Analysis of Their PDF

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 identified conifer species. it's a complete paintings describing the normal distribution, biogeography, variety and conservation prestige of the conifers on all continents."

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

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47). Its southernmost outlier is in Indiana and another one slightly further N is in New Jersey.

A population that became separated into an eastern and a western part which then evolved separately into different species. Examples are Pinus strobus (E) and P. monticola (W) and Juniperus virginiana (E) and J. scopulorum (W). The division between E and W is well demonstrated in map NA-2 below, where the central prairie states, where not devoid of conifers, contain only Cupressaceae (= Juniperus) and Pinaceae and Taxaceae are widely separated in an eastern and a western section. In the contiguous USA both east and west have their own distinct species.

The American Great Plains were an inland sea until the end of the Cretaceous. Tropical lowland forests dominated during the Eocene and grassland steppes from the Miocene onward. Only a few junipers occasionally occur in this vast region now, most of them in Texas.  The distribution of species in Pinaceae (black), Taxaceae (yellow) and Cupressaceae (red) in the contiguous United States. 1% of the landmass. Diverse genera in California are Pinus with 18 species and Abies and Cupressus with seven species each.

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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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