ecosphere vs landscape

ecosphere

noun
  • the biosphere 

  • The portion of the atmosphere from sea-level to about 4000 meters in which it is possible to breathe without technological assistance. 

landscape

noun
  • A sociological aspect of a physical area. 

  • A space, indoor or outdoor and natural or man-made (as in "designed landscape") 

  • a situation that is presented, a scenario 

  • A picture representing a real or imaginary scene by land or sea, the main subject being the general aspect of nature, as fields, hills, forests, water, etc. 

  • A portion of land or territory which the eye can comprehend in a single view, including all the objects it contains. 

  • The pictorial aspect of a country. 

  • a mode of printing where the horizontal sides are longer than the vertical sides 

verb
  • To create or maintain a landscape. 

How often have the words ecosphere and landscape occurred in a corpus of books? (source: Google Ngram Viewer )