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Title: Species diversity and composition in old growth and second growth rich coves of the southern Appalachian Mountains

Author: Jackson, Clay; Pitillo, Dan; Allen, Lee; Wnetworth, Thomas R; Bullock, Bronson P; Loftis, David L.;

Date: 2009

Source:

Publication Series: Scientific Journal (JRNL)

Description:

Because of ongoing debate over the long term impacts of logging, we conducted

a study to assess if second growth (70 6 10 years) rich coves differ from old growth rich coves

(. 125 years) in species diversity or composition. We sampled twenty-six 0.1 ha plots,

representing these two age classes. We distributed the plots amongst three randomly selected

mountain ranges in the southern Appalachians of North Carolina, and sampled each

mountain range in separate years. We used nested subplots of 0.01 m2, 0.1 m2, 1 m2, 10 m2,

100 m2, and 1000 m2 to establish species-area relationships (SARs) for each age class. We

found no significant differences between the SARs for the two age classes, nor did we find

significant differences between age classes using the Simpson, Shannon-Wiener, or Sorensen

indices of species diversity. However, we found that total cover of all plant species was greater

in old growth rich coves, and that 10% of the tested species had lower abundance in second

growth. No species were present in old growth and absent in second growth, but species with

lower second growth abundance may warrant future study.

Keywords: old growth, Appalachian Mountains, logging, temporal constraints

Publication Notes:

  • We recommend that you also print this page and attach it to the printout of the article, to retain the full citation information.
  • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

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Citation:


Jackson, Clay B; Pitillo, Dan J; Allen Lee H; Wnetworth, Thomas R; Bullock, Bronson P; Loftis, David L. 2009. Species diversity and composition in old growth and second growth rich coves of the southern Appalachian Mountains. Castanea 74 (1): 27-38. March 2009

 


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