Community Patterns Of Benthic
Macroinvertebrates In Streams In Relation To
Temperature Variation Using The
Self-Organizing Map
Author(s)
S.-H. Park, D.-H. Kim, W.-S. Cho, M. Bae, Y.-S. Park,
Y.-E. Na & T.-S. Chon
Abstract
Benthic macroinvertebrates were collected from 2,000 sample sites in the major
river basins in South Korea from 1997 to 2002. In total 5 phyla, 9 class, 23 order,
111 family and 727 species of benthic macroinvertebrate were recorded during
the survey period. Communities from the unpolluted sites (BMWP ≥ 45) were
selected and were trained by the Self-Organizing Map (SOM). The benthic
macroinvertebrates were accordingly clustered based on topography of river
basins in a larger scale, and subsequently according to temperature variation
within the river basins in a smaller scale. The scope of species distribution was
also illustrated through visualization of the SOM. Some selected species
appeared to be locally adaptable while other species were widely distributed
across the river basins. Patterning communities based on the SOM was efficient
in monitoring species distribution and adaptability of the species in response to
temperature variation.
Keywords: benthic macroinvertebrate, community, stream, temperature
variation, self-organizing map.
Keywords
benthic macroinvertebrate, community, stream, temperature
variation, self-organizing map
Related Book
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