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12-715: The Jingshan Mountains can be thought of as the easternmost extension of the Daba Mountains , separating the basin of the Han River (a tributary of the Yangtze ) in the north from the rest of the Yangtze basin (in the south). The River Ju ( 沮河 ) and River Zhang ( 漳河 ), both tributaries of the Yangtze River as well as the Han River tributary the River Man ( 蛮河 ) have their source in

24-524: A swath of Central China . Forests here provide a transitional area between evergreen forests to the south and deciduous forests to the north. The Daba Mountains evergreen forests cover areas of northeast Sichuan Province , southern Shaanxi Province , the northern half of Chongqing Municipality , and western Hubei Province . The Daba Mountains evergreen forests support a wide variety of endemic species. Lower elevations contain oaks and arboreal mints , and higher elevations support pines including

36-578: Is a deciduous conifer endemic to the Daba Shan, whose nearest living relatives are the Coast Redwood and Giant Sequoia of California. Redwoods formerly ranged across the northern hemisphere, but were thought to be extinct outside California until stands of Dawn Redwood were discovered in the Daba Shan in the 1940s. Plants of the Daba Mountains Presently, terraced agriculture is expanded in

48-619: The Chinese red pine and Chinese white pine . Some of the other significant tree species include the dawn redwood , dove tree , Tetracentron , Cercidiphyllum japonicum , Emmenopterys henryi , and Eucommia ulmoides . Industry in the region has long been dependent on logging and harvesting for medicines . A major protected area of forests is the Shennongjia National Nature Reserve in Hubei. This ecoregion article

60-548: The Yellow and Yangtze Rivers . Part of the larger Qinling mountain range , it cuts through four provinces: Sichuan , Chongqing , Shaanxi , and Hubei . It spans about 1,000 kilometers (620 mi). The Daba Mountains run in the general west-northwest to east-southeast direction, along the border between, on the one side (southwest and south) Sichuan and Chongqing , and on the other side (northeast and north) Shaanxi and Hubei . The mountains of Shennongjia are often considered

72-641: The Daba Mountains. A widely planted cash crop is the Eucommia tree, a medicinal plant. 32°00′N 109°30′E  /  32.000°N 109.500°E  / 32.000; 109.500 Daba Mountains evergreen forests The Daba Mountains evergreen forests are a Global 200 endangered ecoregion located on the Daba Mountains in China . The forests are part of temperate broadleaf and mixed forests containing both coniferous and broadleaf trees covering

84-621: The Jingshan Mountains. In ancient times, the Jingshan Mountains were at the heart of the Zhou dynasty (1046–256 BCE) vassal State of Chu . This Hubei location article is a stub . You can help Misplaced Pages by expanding it . Daba Mountains The Daba Mountains , also known by their Chinese name as the Dabashan , are a mountain range in Central China between the watersheds of

96-583: The district's border with Badong County ). Laojun Shan, 2,936 meters (9,633 ft) tall, is located northeast of Muyu. In the southeast, the Daba Mountains are joined to the Wu Mountains , which block the Yangtze's flow out of the Sichuan Basin . In the east, the small Jingshan Range (in the southern part of the Xiangyang Prefecture) can be viewed as the extreme extension of the Daba Mountains. In

108-573: The east (in Wuhan ). The Daba Mountains' highest points are in the Shennongjia massif in Shennongjia Forest District. The three tallest peaks, located west of Muyu town, are Shennong Deng ("Shennong Peak", 3,105 meters (10,187 ft) elevation), Da Shennongjia ("Great Shennongjia", 3,052 meters (10,013 ft)), and Xiao Shennongjia ("Lesser Shennongjia", 3,005 meters (9,859 ft), on

120-571: The easternmost section of the Daba Range. The southern slope of the Daba Mountains drains into the Sichuan Basin or directly into the Yangtze via short streams that flow into the river in the Three Gorges area, such as the Shen Nong Stream . The northern side drains into the Han River , a major tributary of the Yangtze, which, however, does not join the Yangtze until some hundreds kilometers to

132-887: The largest sinkhole (520 meters in diameter and 320 meters deep), near Sanyuanzhen ( 三元镇 ) in Zhenba County. The natural landscape of the region, the Daba Mountains evergreen forests , is listed by the World Wildlife Fund (WWF) as one of the world's 200 ecoregions that should be a priority for conservation. Dabashan National Nature Reserve is located in the Chongqing part of the Daba Mountains ( Chengkou County ); Shennongjia Mountain Nature Reserve (704 square kilometers (272 sq mi) ), in Hubei ( Shennongjia Forestry District). The Dawn Redwood ( Metasequoia glyptostroboides )

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144-663: The northeast, the Wudang Mountains are nearby; some authors even consider them a "branch" of the Daba Mountains. In the rural counties of southern Hanzhong , in Shaanxi Province, there is a large area of karst with some of the largest sinkholes in the world, known as the Shaanxi tiankeng cluster or "Hanzhong tiankeng group". It covers nearly 5019 square kilometers and is located in four counties, Ningqiang County , Nanzheng County , Xixiang County , and Zhenba County , with

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