Ecoregions pp 105-109 | Cite as

Continental Patterns and Boundaries

  • Robert G. Bailey


The zones give only a broad-brush picture. Variations within a zone break up and differentiate the major, subcontinental zones. For example, the vegetation of the savanna is highly differentiated related to variation in length of the dry season (Fig. 11.1). The geographic patterns of ecosystems within zones caused by these variations are reviewed here; see the author’s Ecosystem Geography (Bailey 1996 et seq.) for details.


Sand Dune Local Climate Landscape Mosaic Zone Break Pioneer Vegetation 
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© Springer Science+Media, LLC 2014

Authors and Affiliations

  • Robert G. Bailey
    • 1
  1. 1.Rocky Mountain Research StationUSDA Forest ServiceFort CollinsUSA

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