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en.wikipedia.org/wiki/Geography_of_North_America

North America is the third largest continent, and is also a portion of the second largest ... Natural features of North America include the northern portion of the .... in America, and as the continent stretches over the climatic zones, vegetation is ...

kids.britannica.com/comptons/article-205638/North-America

North America, Vegetation: Temperature and rainfall affect the natural vegetation. In the well-watered Eastern United States, for example, a deciduous forest is ...

searchworks.stanford.edu/view/758554

Bibliography: Includes bibliographies and index. Contents. THE STUDY OF VEGETATION AS APPLIED TO NORTH AMERICA. Introduction. Composition and ...

www.voyagesphotosmanu.com/north_america_vegetation.html

Oct 15, 2016 ... The natural vegetation of North America has been significantly modified by human activity, but its general nature is still apparent over much of ...

www.jstor.org/stable/23531437

ural vegetation in central North America are midcontinent mirrors the ... Indiana State University, John A. Harrington, Jr., of natural vegetation, rather than a ...

www.gifex.com/detail-en/2009-11-19-11224/Vegetation-of-North-America.html

The Americas climate, South America vegetation, Soil characterization of North America. South America natural regions, South America regions 2004, The North  ...

digitalcommons.unl.edu/cgi/viewcontent.cgi?article=1591&context=greatplainsquarterly

Climate and Vegetation In Central North America: Natural Patterns and Human Alterations. John A. Harrington Jr. Indiana State University. Jay R. Harman.

link.springer.com/chapter/10.1007%2F978-94-011-0439-5_10

The characteristic patterns of climate and natural vegetation in central North America are strongly interrelated and result from an atmospheric circulation system ...

www.researchgate.net/publication/44532184_The_natural_vegetation_of_North_America_An_introduction

"Conifer forests vary greatly within the broad temperate region of North America. At the higher elevations throughout the Appalachian mountain range ...

guides.lib.berkeley.edu/VegMaps/NorthAmerica

Mar 4, 2016 ... Analog Vegetation Maps for Eastern North America : Eastern North .... USDA Forest Service research natural areas of the Rocky Mountain, ...