Search results
Results from the WOW.Com Content Network
Bronze Age herder burials have been found in the Gobi desert, as well as Karasuk bronze knives, and Mongolian deer stones. [21] Between 5000 cal BP and 4500 cal BP there was a period of desertification. [21] [22] Due to the increasing aridity between 3500 cal BP and 3000 cal BP there was a decline in human habitation in the Gobi desert.
In the north, there are salty marshes and fresh-water sources. The centre has desert steppes. In the south, there are semi deserts as well as the hot Gobi Desert in the south, the fifth-largest desert in the world. [1] [2] [3] About 90% of the landlocked country is covered by deserts or pastures with extreme climatic conditions.
The Nama Karoo of Namibia has the world's richest desert fauna. [8] The Chihuahuan desert and Central Mexican matorral are the richest deserts in the Neotropics. [9] The Carnarvon xeric shrublands of Australia are a regional center for endemism. [1] The Sonoran and Baja deserts of Mexico are unusual desert communities dominated by giant ...
A freshwater aquatic food web. The blue arrows show a complete food chain (algae → daphnia → gizzard shad → largemouth bass → great blue heron). A food web is the natural interconnection of food chains and a graphical representation of what-eats-what in an ecological community.
The park lies on the northern edge of the Gobi Desert. The higher elevations contain areas of steppe, and reach elevations of up to 2,600 meters. A number of rare plants and animals are found in the park, including the elusive snow leopard and the Gobi camel. Areas of sand dunes are found, most famously the Khongoryn Els - the Singing Sands.
The North Saharan steppe and woodlands is a desert ecoregion, in the deserts and xeric shrublands biome, that forms the northern edge of the Sahara.It extends east and west across Northern Africa, south of the Mediterranean dry woodlands and steppe ecoregion of the Maghreb and Cyrenaica, which is part of the Mediterranean forests, woodlands, and scrub biome.
The Alashan Plateau semi-desert ecoregion (WWF ID: PA1302) covers the southwestern portion of the Gobi Desert where precipitation in the mountains is sufficient for a short part of the summer to support sparse plant life. The terrain is basin and range, with elevations from 1,000 to 2,500 metres (3,300 to 8,200 ft).
The reserve was established in 1975 and declared an International Biosphere Reserve in 1991. It comprises about 9000 km 2 of desert steppe, arid mountains, deserts and semi deserts. Temperatures can fall to -40 °C in winter and rise to +40 °C in the summer.