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http://dx.doi.org/10.14578/jkfs.2011.100.1.14

A Study on the Functional Feeding Groups and Community Stability of Benthic Macroinvertebrate in Forest Fire Area  

Sim, Kwang Sub (Department of Biological Science, College of Natural Sciences, Andong National University)
Kim, Myoung Eun (Department of Biological Science, College of Natural Sciences, Andong National University)
Lim, Joo Hoon (Department of Restoration Forest, Korea Forest Research Institute)
Seo, Eul Won (Department of Biological Science, College of Natural Sciences, Andong National University)
Lee, Jong Eun (Department of Biological Science, College of Natural Sciences, Andong National University)
Publication Information
Journal of Korean Society of Forest Science / v.100, no.1, 2011 , pp. 112-117 More about this Journal
Abstract
This study was conducted for searching the functional feeding groups, and community stability of the macroinvertebrate on forest fire area of Uljin-gun. The samples were collected from 2 sites of control area and 2 sites of experimental area during 2007 to 2009. The identified species were 89 belonged to 47 families, 16 order, 6 class, and 4 phylum in control area. And 84 belonged to 43 families, 16 order, 6 class, and 4 phylum were identified in experimental area. As a result of changes in species and individuals of E.P.T. taxa investigated in experimental area by year, Ephemeroptera was 21 species, $2,434.6inds./m^2$, Plecoptera was 3 species, $199.8inds./m^2$, and Trichoptera 14 species, $540.2inds./m^2$ in 2007. And in 2009, Ephemeroptera was 9 species, $296inds./m^2$, Trichoptera was 4 species, $44.4inds./m^2$, and Plecoptera was none, showing that species and individuals belonging to E.P.T. taxa decrease rapidly every year. Community analysis by year, in 2008 when the water system started to be influenced by the fire directly, it showed a trend that H' and RI decreased in the experimental area. Functional feeding group by year, it showed a trend that species and individuals of GC type which is a functional group picking up and eating FPOM (fine particulate organic matter) from deposits in the bottom of water or benthic areas and performs an important function of material circulation in ecosystem decrease every year. Community stability by year, an environment of water system in forest fire area started to be somewhat destroyed, from 2008, it is shown that both species in I area which have great ability of resistance and recovery and species in III area which live in relatively stable water system decreased a little.
Keywords
forest fire area; functional feeding group; community stability;
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