Heterogeneity and differentiation of the tree flora in three major land uses in Guangzhou city, China

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Abstract

The tree flora of humid-tropical Guangzhou city in south China was studied to understand its composition and variations. Aerial photographs identified three major urban-forest types in three land uses: institutional, park and roadside. Data on 115 064 trees in 246 species were statistically analyzed. Park and roadside areas have lower species richness than institutional forest. Park habitat has relatively more rooms for species, biomass and floral enrichment. Roadside leads in tree density with full utilization of plantable space, whereas institutional forest has the highest species density index and the most rare natives. Commonality of species amongst forests limits to 91 species, with park and institutional sharing 68 species, and road sharing merely 8 and 1 species respectively with institutional and park. Institutional forest has distinct composition and character, with less domination by popular species and more solitary or rare species. Native species exceed exotics at roadside; institutional and park have a reverse trend. Practical implications for urban-forest management are discussed. Copyright © 2002 INRA, EDP Sciences.

Original languageEnglish
Pages (from-to)107-118
JournalAnnals of Forest Science
Volume59
Issue number1
DOIs
Publication statusPublished - Jan 2002

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flora
land use
China
Leucaena leucocephala
forest types
photographs
forest management
city
roads
indigenous species
rare species
aerial photograph
native species
species diversity
species richness
biomass
road
habitats
habitat

Citation

Jim, C. Y. (2002). Heterogeneity and differentiation of the tree flora in three major land uses in Guangzhou city, China. Annals of Forest Science, 59(1), 107-118. Retrieved from https://doi.org/10.1051/forest:2001010

Keywords

  • Urban forest
  • Urban tree
  • Species diversity
  • Species association
  • Tree management