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The Palearctic or Palaearctic is the largest of the eight biogeographic realms of the Earth. It stretches across all of Eurasia north of the foothills of the Himalayas, and North Africa . The realm consists of several bioregions: the Euro-Siberian region; the Mediterranean Basin; the Sahara and Arabian Deserts; and Western, Central and East Asia.
The Palearctic or Palaearctic is the largest of the eight biogeographic realms of the Earth. It stretches across all of Eurasia north of the foothills of the Himalayas, and North Africa. The realm consists of several bioregions: the Euro-Siberian region; the Mediterranean Basin; the Sahara and Arabian Deserts; and Western, Central and East Asia.
The Palearctic region is the second largest region on Earth and covers the entire area of Europe, Central Asia (up to Pakistan and Kazakhstan) and Siberia. Ten major river systems drain the region; major lakes include the Black and Caspian Seas and Lake Baikal, the world׳s oldest and deepest lake.
Jan 20, 2021 · Palaearctic realm. Definition. noun. A biogeographic realm that covers Europe, Asia north of the Himalaya foothills, northern Africa, and the northern and central parts of the Arabian Peninsula. Supplement. Biogeographic realms are large spatial regions of the Earth’s land surface.
Western Eurasia covers most of Europe and is the westernmost section of the Palearctic realm with five major subrealms—Greater European Forests, European Mountain Forests, Black Sea Forests & Steppe, the Mediterranean, and the Anglo-Celtic Isles—and 13 bioregions in total as defined in the One Earth Bioregions Framework.
The Palearctic (or 'Palaearctic') ecozone is one of the eight dividing the Earth's surface. The Palearctic is by far the largest ecozone. It includes the terrestrial ecoregions of Europe , Asia north of the Himalayan foothills, northern Africa , and the northern and central parts of the Arabian Peninsula .
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The Western Palaearctic or Western Palearctic is part of the Palaearctic realm, one of the eight biogeographic realms dividing the Earth's surface. Because of its size, the Palaearctic is often divided for convenience into two, with Europe, North Africa, northern and central parts of the Arabian Peninsula, and part of temperate Asia, roughly to ...
