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An alpine tree line is the highest elevation that sustains trees; higher up it is too cold, or the snow cover lasts for too much of the year, to sustain trees. [2]: 151 The climate above the tree line of mountains is called an alpine climate, [14]: 21 and the habitat can be described as the alpine zone. [15]
Montane level: [7] [22] Extends from the mid-elevation forests to the tree line. The exact level of the tree line varies with local climate, but typically the tree line is found where mean monthly soil temperatures never exceed 10.0 degrees C and the mean annual soil temperatures are around 6.7 degrees C.
Alpine plants are plants that grow in an alpine climate, which occurs at high elevation and above the tree line. There are many different plant species and taxa that grow as a plant community in these alpine tundra. [1] These include perennial grasses, sedges, forbs, cushion plants, mosses, and lichens. [2]
White Mountain, an alpine environment at 4,300 metres (14,000 ft) above sea level in California. Alpine climate is the typical climate for elevations above the tree line, where trees fail to grow due to cold. This climate is also referred to as a mountain climate or highland climate.
The alpine zone begins near 10,500 feet (3,200 m) elevation (in the southern Sierra) and near 9,000 feet (2,700 m) (in the north). [9] This zone is easily distinguished as it is above the tree line. No trees grow in this zone due to the harsh climatic conditions. Short, cool summers with long, cold, and snowy winters are typical at these ...
Above tree line, at approximately 11,000 ft (3,400 m), trees disappear and the vast alpine tundra takes over. [71] Over one third of the park resides above the tree line, an area which limits plant growth due to the cold climate and strong winds. The few plants that can survive under such extreme conditions are mostly perennials.
The alpine zone, or alpine fell-field, is above the tree line, generally at 11,000 to 11,500 feet (3,400 to 3,500 m) in the south, [4] [5]: 8 and 9,900 feet (3,000 m) [6]: 17 to 10,500 feet (3,200 m) [4] in the north. The plants are influenced by having to endure long and very cold winters, poor to no soils, constant high winds, intense ...
The trail to the summit is 9 miles (14.5 kilometers) roundtrip with 3400 ft of elevation gain (1 km). [ 12 ] [ 13 ] The trailhead starts below the tree-line in a dense forest and ends well above the tree-line with unobstructed, 360 degree views, where the Grand Canyon can be seen in the distant north and Flagstaff just south.