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Change Location:
coordinates
Latitude:29.8116, Longitude:121.783

The 20-ha Tiantong plot was established in 2009 at 29.8°N, 121.8°E, located in core area of Ningbo Tiantong National Forest Park, Zhejiang Province. Altitude of the plot varies from 304.26 m to 602.89 m. The annual mean temperature is 16.2 °C and the annual mean preipitation 1374.7 mm.

There are 94,603 individuals (DBH≥1cm), belonging to 152 species, 94 genera and 51 families. Dominant species in the plot mainly belongs to Theaceae, Lauraceae and Fagaceae. Evergreen species are largely dominated, which account for 80.3% of total importance values of all species in the plot. The first three most important species are Eurya loquaianaLitsea elongate and Choerospondias axiliaris. Fifty-five rare species (less than 1 individual per hectare) accounting for 36.2% of all species in the plot were recorded in the plot.

Vertical structure of the forest community in the plot is distinguishable, classified into three layers from canopy storey to sub-canopy storey and shrub storey.The structure of the forest community is stable and DBH distribution of all trees followed a reverse “J” shape. Mean DBH of all individuals is 5.66 cm. Proportion of small (DBH<5cm) individuals achieves 70.3%.

The first re-census was completed in 2015. The total number of free-standing individuals (including branches, sprouting branches) increased from 132,000 to 170,000. 190,000 records of data were recorded in this re-census, including 58,000 recruitment data, and 20,000 death data. Detailed changes in species richness were still in preparation. Several species, i.e. Melia azedarach, Zanthoxylum ailanthoides and Fortunearia sinensis were newly observed species. and others, i.e. Rhamnus crenata, were locally extinct. Replacement, growth and death of different species have different patterns.

Principal Investigator: Wang Xihua, professor of East China Normal University. His research is mainly focused on vegetation ecology and restoration ecology.

Research Team: Chen Xiaoyong, Yan Enrong, Yang Haibo, Shen Guochun, Yang Qiongsong, Zheng Zemei, Yao Fangfang

Collaborating Institution Contact Information
East China Normal University Dr. Xihua Wang xhwang@des.ecnu.edu.cn