Assessing ecological health of mangrove ecosystems along South China Coast by the pressure–state–response (PSR) model

Yu Tu Wang, You Shao Wang*, Mei Lin Wu, Cui Ci Sun, Ji Dong Gu

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

The pressure-state-response (PSR) model was applied to establish a mangrove ecosystem health evaluation system combined with analytical hierarchy process (AHP) in this paper. The mangrove wetlands are divided into five ecological levels: excellent health, good health, health, sub-health and morbidity, which is based on the comprehensive health index (CHI) value. Twelve representative sites were selected for sampling to assess the ecological health condition of mangroves. As a result, the ecological health level of Gaoqiao mangrove area is excellent health; the ecological health level of Taiping mangrove area is good health; the ecological health level of Huguang and Qi’ao mangrove area is health; the ecological health level of Techeng and He’an mangrove area is sub-health; the ecological health level of Huidong mangrove area is morbidity. These results will give some advises for ecological protection and biological resource sustainable development of mangrove ecosystem in China.

Original languageEnglish
Pages (from-to)622-631
Number of pages10
JournalEcotoxicology
Volume30
Issue number4
DOIs
StatePublished - May 2021

Keywords

  • Analytical hierarchy process (AHP)
  • Comprehensive health index (CHI)
  • Health assessing
  • Mangrove ecosystem
  • Pressure–state–response (PSR) model
  • South China Coast

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