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 Palaearctic realm also has …

The Palearctic and Nearctic are sometimes grouped into the Holarctic realm.. Morrone biogeographic kingdoms. Following the nomenclatural conventions set out in the International Code of Area Nomenclature, Morrone defined the next biogeographic kingdoms (or realms) and regions: . Holarctic kingdom Heilprin (1887) Nearctic region Sclater (1858)

At the broadest level, referred to as realm in Udvardy (1975), all of India falls in the Indomalayan realm, with the exception of the high Himalayas, which fall in the Palearctic realm.. Most of India falls in the "Indian Subcontinent" bioregion of the Indomalayan realm, which covers most of India, Pakistan, Bangladesh, Nepal, Bhutan, and Sri Lanka.The Hindu Kush, Karakoram, Himalaya, …

A floristic kingdom is the botanical analogue to an biogeographic realm, which takes into account the distribution of animal as well as plant species. Many biogeographers distinguish the Boreal Kingdom as comprising two realms, the Nearctic (North America) and …

The greater spotted eagle (Clanga clanga), occasionally called the spotted eagle, is a large bird of prey.Like all typical eagles, it belongs to the family Accipitridae.Its feathered legs indicate it is a member of the subfamily Aquilinae, also known as the "booted eagles". This species, though once thought to be included in the genus Aquila, is now thought to belong to a distinct genus ...

In biogeography, the Neotropic or Neotropical realm is one of the eight terrestrial realms.This realm includes South America, Central America, the Caribbean islands, and southern North America.In Mexico, the Yucatán Peninsula and southern lowlands, and most of the east and west coastlines, including the southern tip of the Baja California Peninsula are Neotropical.

This is a list of terrestrial ecoregions as compiled by the World Wildlife Fund (WWF). The WWF identifies terrestrial, freshwater, and marine ecoregions.. The terrestrial scheme divides the Earth's land surface into 8 biogeographic realms, containing 867 smaller ecoregions.Each ecoregion is classified into one of 14 major habitat types, or biomes.. In 2017 the WWF team …

Biogeography is the study of the distribution of species and ecosystems in geographic space and through geological time.Organisms and biological communities often vary in a regular fashion along geographic gradients of latitude, elevation, isolation and habitat area. Phytogeography is the branch of biogeography that studies the distribution of plants. ...

In physical geography, tundra (/ ˈ t ʌ n d r ə, ˈ t ʊ n-/) is a type of biome where tree growth is hindered by frigid temperatures and short growing seasons. The term tundra comes through Russian тундра (tundra) from the Kildin Sámi word тӯндар (tūndâr) meaning "uplands", "treeless mountain tract". There are three regions and associated types of tundra: Arctic tundra ...

The Arabian Desert (Arabic: ٱلصَّحْرَاء ٱلْعَرَبِيَّة) is a vast desert wilderness in Western Asia that occupies almost the entire Arabian Peninsula. It stretches from Yemen to the Persian Gulf and Oman to Jordan and Iraq.It occupies most of the Arabian Peninsula, with an area of 2,330,000 square kilometers (900,000 sq mi).It is the fifth largest desert in the world ...