Monitoring of Gin Drinkers' Bay landfill, Hong Kong: II. Gas contents, soil properties, and vegetation performance on the side slope

Ming Hung WONG*, C. T. Yu

*Corresponding author for this work

Research output: Contribution to journalJournal articlepeer-review

25 Citations (Scopus)

Abstract

This second part of the study concerned the plant cover, gas contents, and soil properties of the side slope area of the landfill, which is not protected against gas infiltration. Five different sites on the slope and a control site outside the landfill were chosen, and pipes were installed in the region. Gas contents were tested, and plant cover recorded by quadrat analysis Over 20 species of grasses, herbs, and vines were present on the slope The relative adaptabilities of the species were ranked according to the abundance of the plants Plant cover was found to be negatively correlated with landfill gas contents. The landfill soil had elevated contents of nitrogen, organic carbon, and extractable metals Total nitrogen, ammonia nitrogen, and extractable lead were further identified to be negatively correlated while available phosphate was positively correlated with plant cover

Original languageEnglish
Pages (from-to)753-762
Number of pages10
JournalEnvironmental Management
Volume13
Issue number6
DOIs
Publication statusPublished - Nov 1989

Scopus Subject Areas

  • Global and Planetary Change
  • Ecology
  • Pollution

User-Defined Keywords

  • Landfill gas
  • Plant coverage
  • Soil nutrients
  • Trace metals

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