Ecosystem Resilience to Drought and Temperature Anomalies in the Mekong River Basin

T. Na-U-Dom, Monica Garcia*, X. Mo

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

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Climate change is leading to an increasing in the frequency and intensity of extreme weather events, which significantly affect ecosystems stability. In this study, ecological stability metrics in response to wet/dry events and warm/cold events on vegetation greenness were assessed using an auto-regressive model of NDVI in the Mekong River basin (around 759,000 km2) where large ecological and climatic gradients exist. Gridded temperature, and the Global Standard Precipitation Evaporation Index (SPEI) and antecedent NDVI were used as model predictors. The forest in north Laos was more resilient to the temperate and wet/dry anomalies events than other regions in the basin. Drought reduced green biomass in north Laos, northeast Thailand and Myanmar, but in these tropical climate regions' the vegetation biomass was also more responsive by higher temperatures. Vegetation in northeast Thailand, Cambodia and the Mekong delta were less sensitive to the temperature anomalies effect compared to other part of Mekong River basin. The map of resistance and resilience metrics can help to determine the most vulnerable regions to extreme events for policy makers.
Original languageEnglish
Article number012012
JournalI O P Conference Series: Earth and Environmental Science
Issue number1
Number of pages6
Publication statusPublished - 2017


  • Environmental Science (all)
  • Earth and Planetary Sciences (all)
  • Climate change
  • Drought
  • Ecology
  • Rivers
  • Vegetation
  • Watersheds
  • Auto regressive models
  • Ecological stability
  • Ecosystem resilience
  • Extreme weather events
  • Gridded temperatures
  • Mekong river basins
  • Temperature anomaly
  • Vegetation greenness
  • Ecosystems
  • Rivers, runoff, and streamflow
  • Temperature of the lower atmosphere
  • Probability theory, stochastic processes, and statistics
  • Geophysical aspects of vegetation
  • Weather analysis and prediction
  • Climatology
  • atmospheric temperature
  • autoregressive processes
  • climatology
  • ecology
  • rivers
  • vegetation
  • weather forecasting
  • ecosystem resilience
  • temperature anomalies
  • drought anomalies
  • Mekong River Basin
  • extreme weather events
  • climate change
  • vegetation greenness
  • auto-regressive model
  • Global Standard Precipitation Evaporation Index
  • tropical climate regions’
  • resilience metrics
  • policy makers
  • Atmospheric Properties
  • Water Resources
  • Surface Water
  • Ecology and Ecosystems

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