Environmental Management

, Volume 5, Issue 1, pp 55–68 | Cite as

Ecological perspective on water quality goals

  • James R. Karr
  • Daniel R. Dudley
Research

Abstract

The central assumption of nonpoint source pollution control efforts in agricultural watersheds is that traditional erosion control programs are sufficient to insure high quality water resources. We outline the inadequacies of that assumption, especially as they relate to the goal of attaining ecological integrity. The declining biotic integrity of our water resources over the past two decades is not exclusively due to water quality (physical/chemical) degradation. Improvement in many aspects of the quality of our water resources must be approached with a much broader perspective than improvement of physical/chemical conditions. Other deficiencies in nonpoint pollution control programs are discussed and a new approach to the problem is outlined.

Key words

Nonpoint source pollution Water quality Stream ecosystems Flow regimes Clean Water Act Allen County Indiana Biotic integrity 

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Copyright information

© Springer-Verlag New York Inc. 1981

Authors and Affiliations

  • James R. Karr
    • 1
  • Daniel R. Dudley
    • 2
  1. 1.Department of Ecology, Ethology and EvolutionUniversity of IllinoisChampaign
  2. 2.Division of SurveillanceOhio Environmental Protection AgencyColumbus

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