By Aljos Farjon
A 2014 selection journal "Outstanding educational identify" "An Atlas of the realm s Conifers" is the 1st ever atlas of all identified conifer species. it's a finished paintings describing the traditional distribution, biogeography, range 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
The distribution of Pinaceae is similar to the distribution of all conifers N of the Tropic of Cancer, reflecting the dominance of this family in conifer forests of the temperate to cold regions of the Northern Hemisphere. Notable differences are found in semi-arid regions such as those in the American southern prairie states, Iran and Afghanistan, where species of Cupressaceae occur but those of Pinaceae are absent. In the tropics N of the Equator the differences are more pronounced; there are no species of Pinaceae in South America (the southernmost occurrence is in Nicaragua) nor in sub-Saharan Africa, nor the Arabian Peninsula, nor in the Indian subcontinent, nor in Malesia except Sumatera and the Philippines.
Deserts limit Abies in the SW of the USA and in N Mexico. In the E the Appalachian Mountains are the southernmost refugium, as indeed here Abies fraseri occurs on isolated summits in relict populations. In Europe one species is widespread from the Pyrenees to the Balkan Peninsula; other species are relicts, with some of the rarest in the genus on mountains in the Mediterranean. Turkey, Lebanon and the Caucasus Mountains are areas with species of Abies in W Asia. E of these occurrences there is again the gap from the Caspian Sea to E Afghanistan also observed for Picea, Pinus and Taxus, where mountains and deserts are too dry for these conifers.
61). The genus Larix, like Picea, is adapted to low winter temperatures and short growing seasons, but unlike Picea and other boreal conifers it is deciduous. The deciduous habit in angiosperm trees is related to this adaptation, but it seems enigmatic that of conifers only Larix at these N latitudes is deciduous in winter. South of the boreal zone Larix, like Picea, retreats into the mountains except in the E of North America, where it is also present in lowland forest. In the USA two species of Larix occur in mountains of the Pacific Northwest but not elsewhere in the Rocky Mountains or ranges to the W of these.
An Atlas of the World's Conifers: An Analysis of Their Distribution, Biogeography, Diversity, and Conservation Status by Aljos Farjon