Climatic Change

, 98:113 | Cite as

Use of the Köppen–Trewartha climate classification to evaluate climatic refugia in statistically derived ecoregions for the People’s Republic of China

  • Barry BakerEmail author
  • Henry Diaz
  • William Hargrove
  • Forrest Hoffman


Changes in climate as projected by state-of-the-art climate models are likely to result in novel combinations of climate and topo-edaphic factors that will have substantial impacts on the distribution and persistence of natural vegetation and animal species. We have used multivariate techniques to quantify some of these changes; the method employed was the Multivariate Spatio-Temporal Clustering (MSTC) algorithm. We used the MSTC to quantitatively define ecoregions for the People’s Republic of China for historical and projected future climates. Using the Köppen–Trewartha classification system we were able to quantify some of the temperature and precipitation relationships of the ecoregions. We then tested the hypothesis that impacts to environments will be lower for ecoregions that retain their approximate geographic locations. Our results showed that climate in 2050, as projected from anthropogenic forcings using the Hadley Centre HadCM3 general circulation model, were sufficient to create novel environmental conditions even where ecoregions remained spatially stable; cluster number was found to be of paramount importance in detecting novelty. Continental-scale analyses are generally able to locate potentially static ecoregions but they may be insufficient to define the position of those reserves at a grid cell-by-grid cell basis.


General Circulation Model Future Scenario Normalize Different Vegetation Index Parallel Climate Model Glob Ecol 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© The Nature Conservancy 2009

Authors and Affiliations

  • Barry Baker
    • 1
    • 5
    Email author
  • Henry Diaz
    • 2
  • William Hargrove
    • 3
  • Forrest Hoffman
    • 4
  1. 1.Natural Resource Ecology Lab, B256Colorado State UniversityFort CollinsUSA
  3. 3.Eastern Forest Threat Assessment Center, USDA Forest ServiceSouthern Research StationAshevilleUSA
  4. 4.Computer Science & Mathematics DivisionOak Ridge National LaboratoryOak RidgeUSA
  5. 5.The Nature ConservancyCanyonlands Research CenterMoabUSA

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