Characteristics and Spatial Distribution of Ancient and Famous Tree Resources in Taizhou

Based on investigation on ancient and famous tree resources in Taizhou, Zhejiang province in 2017, its spatial distribution was studied by diffusion coefficient, mean crowding, aggregation (block) index, K of negative binomial distribution , David & Moore clumping index. The results showed that there were 15 668 ancient and famous trees in Taizhou, including 15 654 ancient trees and 14 famous ones, belonging to 194 species of 56 families and 117 genera. There had 3 026 Cinnamomum camphora, 2 214 Rhododendrons fortunei, 1 928 Pinus massoniana, 1 463 Liquidambar formosana, 1 325 Castanopsis sclerophylla, and 1 013 Cryptomeria japonica var. sinensis. There were 13 675 ancient and famous trees with age of 100-299-year, 1 431 ones with 300-499-year, 562 ones over 500-year (57 trees with age over 1000-year, and the oldest was 1 600-year). There were 7 134 ancient and famous trees in Tiantai county, 4 786 ones in Xianju county, 1 532 ones in Linhai city, 982 ones in Huangyan district, 684 ones in Sanmen county, 254 ones in Wenling city, 178 ones in Yuhuan city, 77 ones in Jiaojiang district and 41 ones in Luqiao district. Both the number and species of ancient and famous trees, spatial distribution pattern was aggregation. Latitude, longitude and altitude had significant impact on the spatial distribution of ancient and famous trees.