Effects of urbanization on the aquatic fauna of the Line Creek watershed, Atlanta - A satellite perspective

  • Gillies R
  • Brim Box J
  • Symanzik J
 et al. 
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Impervious surface area (ISA) was derived for a period from 1979 to 1997 from Landsat MSS and TM data for the Line Creek watershed that lies to the south of the city of Atlanta, GA. The change in ISA is presented as an ecological indicator to examine the cumulative water resource impacts on mussel population in three sub-watersheds of Line Creek - namely, Line, Flat, and Whitewater creeks. The satellite analysis shows that ISA expansion occurred substantially from 1987 to 1997 and is predominantly in industrial, commercial, and shopping center (ICS) complexes but also in smaller lot-size residential development. Evidence of mussel habitat degradation is indicated and loss of species (in the region of 50 to 70%) is present in areas where ISA expansion is observed - specifically in ICS complex development in and around Peachtree City that drains directly into the Line and Flat creeks. This is in marked contrast to Whitewater Creek where overall development of ISA is less and no major loss of mussel species is observed. © 2003 Elsevier Science Inc. All rights reserved.

Author-supplied keywords

  • Impervious surface area
  • Landsat
  • Mussels
  • Urbanization

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  • Robert R. Gillies

  • Jayne Brim Box

  • Jürgen Symanzik

  • Eli J. Rodemaker

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