Management and protection of ancient trees at thirteen areas in Longgang District, Shenzhen city, such as Buji, Bantian, Dapeng, Henggang, Kuiyong, Kengzi, Longcheng, Longgang, Nan′ao, Nanwan, Pingdi, Pinghu and Pingshan were investigated with combining methods of field investigation and visiting local people. The results showed that ancient trees distributed at the thirteen areas with a wide distribution range, but there were greater differences in species number and individual number among these areas. Ancient trees mainly distributed in the geomantic forests and existed in form of community, there were 858 ancient trees that belonged to 52 species in 45 genera and 25 families. The family with five or more species of ancient trees were Lauraceae and Moraceae, with 351 and 123 individuals,respectively. Ficus microcarpa, Dimocarpus longan and Cinnanomum camphora were abundant with 331, 99 and 95 individuals, respectively. Most of the ancient trees were native tree species with 48 species. The individual number was 818 with tree age of 100~299 a, 33 with age of 300~499 a and 7 with age of more than 500 a. Among the total individuals, 44.41% were growing well, 48.25% were growing generally, and 7.34% were growing poorly. According to these investigation results,some suggestions about management and conservation for ancient trees in Longgang District were also put forward.
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