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The Nearctic realm is one of the eight biogeographic realms constituting the Earth's land surface. The Nearctic realm covers most of North America, including Greenland, Central Florida, and the highlands of Mexico.
- Palearctic realm
The Palearctic or Palaearctic is the largest of the eight...
- Neotropical realm
The Neotropical realm is one of the eight biogeographic...
- Palearctic realm
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 ...
The Neotropical realm is one of the eight biogeographic realms constituting Earth's land surface. Physically, it includes the tropical terrestrial ecoregions of the Americas and the entire South American temperate zone.
Nearctic. Palearctic. Afrotropical. Indomalayan. Australasian. Neotropical. Oceanian. Antarctic (not shown) A biogeographic realm is the broadest biogeographic division of Earth's land surface, based on distributional patterns of terrestrial organisms. They are subdivided into bioregions, which are further subdivided into ecoregions .
Origin. Threats. Conservation actions. References. Holarctic realm. The Holarctic realm is a biogeographic realm that comprises the majority of habitats found throughout the continents in the Northern Hemisphere. It corresponds to the floristic Boreal Kingdom.
The Nearctic realm includes most of North America and Greenland. THe Nearctic realm possesses a great diversity of biomes including the tundra, grassland, deciduous and coniferous forest, chaparral, and desert biomes. The Nearctic realm has been separated from Neotropical by deserts, and until recently, an absence of a land bridge between them. The
24. Feb. 2023 · The Palearctic Realm, as here defined, is divided into three zoogeographic regions (Eurasian, Saharo-Arabian, and Sino-Himalayan) that together comprise all the Old World terrestrial areas as far south as northern Africa, the Middle East, the mountains of Central Asia, and into southern China and the islands of Japan. Type. Chapter. Information.
