Nanchang vs Savannah

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Nanchang is the capital and largest city of Jiangxi Province, People's Republic of China. As of November 2017, the total population in Nanchang City was 5,246,600, while the built-up (or metro) area made of 6 urban districts plus Nanchang county is home to more than 4,300,000 inhabitants. Located in the north-central part of the province and in the hinterland of Poyang Lake Plain, it is bounded on the west by the Jiuling Mountains, and on the east by Poyang Lake. Because of its strategic location connecting the prosperous East and South China, it has become a major railway hub in Southern China in recent decades. As the Nanchang Uprising in 1927 is distinctively recognized by the ruling Communist Party as "firing the first gunshot against the evil Nationalists", the current government has therefore named the city since 1949 "the City of Heroes", "the place where the People's Liberation Army was born", and the most widely known "place where the military banner of the People's Liberation Army was first raised".

Nanchang is also a major city, appearing among the top 200 cities in the world by scientific research outputs, as tracked by the Nature Index and home to Nanchang University, the key national university of “Project 211” in the city.

Source: Wikipedia

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A savanna or savannah is a mixed woodland-grassland ecosystem characterised by the trees being sufficiently widely spaced so that the canopy does not close. The open canopy allows sufficient light to reach the ground to support an unbroken herbaceous layer consisting primarily of grasses.Savannas maintain an open canopy despite a high tree density. It is often believed that savannas feature widely spaced, scattered trees. However, in many savannas, tree densities are higher and trees are more regularly spaced than in forests. The South American savanna types cerrado sensu stricto and cerrado dense typically have densities of trees similar to or higher than that found in South American tropical forests, with savanna ranging from 800–3300 trees per hectare (trees/ha) and adjacent forests with 800–2000 trees/ha.

Similarly Guinean savanna has 129 trees/ha, compared to 103 for riparian forest, while Eastern Australian sclerophyll forests have average tree densities of approximately 100 per hectare, comparable to savannas in the same region.Savannas are also characterised by seasonal water availability, with the majority of rainfall confined to one season; they are associated with several types of biomes, and are frequently in a transitional zone between forest and desert or grassland. Savanna covers approximately 20% of the Earth's land area.

Source: Wikipedia