Abstract
Structure and development of vegetation has reflected the biological value of the habitat, for vegetation responds to changes in habitat readily; and habitat, in turn, is determined, in its gross characteristics, by climate. However, a uniform climate does not exist even in a small geographical area because the area is modified by peculiar features of soil and physiography. The variety of habitats, e.g., in dissected land surfaces, is in direct proportion to these modifications of the macroclimate. Such features, while perhaps not affecting the arboreal cover, will determine different accents of the secondary and herbaceous layers as pointed out by Friesner and Potzger.
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