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・ Wildlife of Niger
・ Wildlife of Nigeria
・ Wildlife of North Carolina
・ Wildlife of Pakistan
・ Wildlife of Palau
・ Wildlife of Peru
・ Wildlife of Phitsanulok Province
・ Wildlife of Qatar
・ Wildlife of Rajasthan
・ Wildlife of Ratanakiri
・ Wildlife of Russia
・ Wildlife of Rwanda
・ Wildlife of Réunion
・ Wildlife of Saint Helena, Ascension and Tristan da Cunha
・ Wildlife of San Juan Creek
Wildlife of Saudi Arabia
・ Wildlife of Senegal
・ Wildlife of Seychelles
・ Wildlife of Sierra Leone
・ Wildlife of Singapore
・ Wildlife of Somalia
・ Wildlife of South Africa
・ Wildlife of South Sudan
・ Wildlife of Sri Lanka
・ Wildlife of Sudan
・ Wildlife of Swaziland
・ Wildlife of São Tomé and Príncipe
・ Wildlife of Tamil Nadu
・ Wildlife of Tanzania
・ Wildlife of the Central African Republic


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Wildlife of Saudi Arabia : ウィキペディア英語版
Wildlife of Saudi Arabia

The wildlife of Saudi Arabia is substantial and varied. Saudi Arabia is a very large country forming the bulk of the Arabian Peninsula. It has several geographic regions, each with a diversity of plants and animals adapted to their own particular habitats. As well as high mountains and deserts, there is a coastal plain and long coastline on the Gulf of Aqaba and the Red Sea to the west and a rather shorter coastline on the Persian Gulf to the east.
==Geography==

Saudi Arabia has a range of mountains, the Sarawat Mountains (or Sarat Mountains) which run parallel with the Red Sea coast. These are low at the northern end, have a gap in the middle between Medina and Ta'if, and are higher at the southern end, where Mount Sawda in the Asir Mountains, at just over , is the highest point in the country. Between these mountains and the Red Sea is a coastal plain known as Tihamah. The west side of this range is a steep escarpment but to the east is a wide plateau called the Najd which is bounded on the east by a series of mountain ridges, including the Ṭuwayq Mountains, east of which the land descends gradually to the Persian Gulf.
In the south of the country is the Rub' al Khali, or "Empty Quarter", the largest sand desert in the world. It slopes from about near the Yemeni border, northwestwards nearly to the Persian Gulf. Another sandy desert, An Nafud, lies in the north central part of Saudi Arabia, and it is connected to the Rub' al Khali by a broad swathe of sand dunes and gravel plains. Most of the country has very little precipitation, less than in many regions, and in the Rub' al Khali there may be no rain for a decade. The mountainous region of Asir in the southwest is wetter; it receives monsoon rains between May and October which may amount to .〔
The Red Sea was formed when in the Eocene period, the Arabian Peninsula began to move away from the continent of Africa. This prevented further exchange of genes between African and Arabian species. Furthermore, the late Tertiary and the early Quaternary eras saw a period of climatic cooling that drove vegetation bands southwards, and the Arabian Peninsula received an influx of species from Eurasia. With increasing aridity, conditions became inamicable for many of these and they retreated to the damper, southwestern mountainous regions, becoming relict populations.〔

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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