Definition of zonation in English:

zonation

Line breaks: zon|ation
Pronunciation: /zəʊˈneɪʃ(ə)n
 
/

noun

[mass noun]
  • 1Distribution in zones or regions of definite character: quartz grains can exhibit zonation and rounding
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    • To address the latter question, it has proven useful to compare closely related species, especially congeners that exhibit temperature-related patterns of zonation.
    • Internal textures typically show pronounced zonation of crystallite orientation and grain size.
    • Cathodoluminescence imaging revealed that all grains contain a discrete core whose internal zonation was truncated by a surrounding brightly luminescent rim.
  • 1.1 Ecology The distribution of plants or animals into specific zones according to such parameters as altitude or depth, each characterized by its dominant species: this zonation involves encrusting lichens, sedentary animals, and seaweeds
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    • Numerous regional schemes rationalizing the nomenclatural stratigraphy of the critical time have been developed, and a variety of biostratigraphic zonations evolved.
    • The vegetation in the marsh shows clear zonation with different species dominating different zones.
    • Most studies conducted on plant zonation have been within perennial-dominated coastal marshes or non-saline marshes.

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