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Bryoecology Of The Appalachian Spruce-Fir Zone, Daniel Howard Norris
Bryoecology Of The Appalachian Spruce-Fir Zone, Daniel Howard Norris
Doctoral Dissertations
Introduction: Ecological investigation of an area ordinarily follows a certain course. First explorations attempt to discover the nature of the flora, and ecological information is incidental to the habitat notes of collected species. Later, general qualitative observations appear regarding he vegetation of particular habitats. Only after this is a quantitative study using quadrats or other sampling techniques begun, and this quantitative work lays the foundation for future autecological, ecosystem and productivity work. Traditionally the above course is followed first by workers in vascular plant ecology, and studies of cryptograms are seldom as far advanced as that of the spermatophytes.
The …
Ground Vegetation Patterns Of The Spruce-Fir Area Of The Great Smoky Mountains National Park, Dorothy Louise Crandall
Ground Vegetation Patterns Of The Spruce-Fir Area Of The Great Smoky Mountains National Park, Dorothy Louise Crandall
Doctoral Dissertations
Introduction: Although the spruce-fir area of the Southern Appalachians has interested several investigators, there have been few studies of the herbaceous plants in relation to the canopy and none with this relationship as the primary objective. Ecological surveys have been made by Cain (1931, 1935), Oosting and Billings (1951), and Whittaker (1956), but their papers do not report details in reference to site types and include rather limited material on the ground cover. Possible site types were mentioned by Whittaker but were not described and few supporting data of an objective nature were included.
Cain in his 1935 paper on …