Naadia Mohamed 8021/16/18    Sequoia National Park is located in the southern part of Sierra Nevada in California. The Sierra Nevada is America’s longest mountain range which makes Sequoia National Park a part of the mountain climate zone. The park is 404,064 acres and has an elevation of 1,370 to 14,500 feet. The temperature of Sequoia National Park varies on the elevation and location. The winters are mildly wet; precipitation occurs from January to May. The average rainfall is about 26 inches. In summer, the days are warm with occasional thunderstorms and the nights are cool.    Sequoia National Park has over 1,200 species of plants; the park is known for its most giant and oldest sequoia trees. In the lower elevations, there are forests of sugar pine and white fir trees. Further up are red fir and lodgepole pine forests. The yellow star-thistle is an invasive plant that inhabits most of Sequoia National Park; this is because the plant can disperse up to 150,000 seeds and those seeds can travel long distances. This plant can reduce biodiversity, harm endangered plants and animals and destroy the habitat. Moreover, there are numerous animals in the park. There are 72 species of mammals; the bighorn sheep is one of the animals living there and is the only mammal listed as endangered.    From 1935-1970, there was a slight decrease in the temperature; it decreased by 0.5 degrees Fahrenheit. Over the course of ninety years (1920-2010), the temperature of Sequoia National Park increased by three degrees Fahrenheit. According to the graph, one can see that overtime, the amount of precipitation is decreasing by four inches. There was a dramatic decrease in precipitation from 2000-2015 by five inches. From 1915-2015, thirty-one years have been below the average 100% snowpack; thirty-one years have been above the average. In addition, five years have been below the average snowpack in the last ten years; five years have been above the average in the last ten years.     In the next 100 years, the climate of Sequoia National Park will be impacted in many ways; for example, the temperature will increase by 6.66 degrees fahrenheit because of climate change, the precipitation will decrease by about 30 inches and the snowpack will be below the average 100 percent. Snowpack is a mass of snow on the ground that has been compressed and hardened by its own weight. The sequoia trees could die because of the warming temperatures, insect infestations and a decrease in precipitation, specifically in snow form. The decrease in snowpack is making it difficult for sequoia trees (seedlings and young trees) to survive because there is not enough stored water to endure the summer. Furthermore, insect infestations can start to kill the sequoia trees; insect infestations occur with the warming temperatures. Finally, there is not enough precipitation in snow form. This means that there could be droughts during the summer that would lead to the death of young sequoia trees. Greens house gases 


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