Integrative analysis of water quality and physical habitat in the ecological design of water resources projects

Edwin E. Herricks, Jian Ping Suen

Research output: Contribution to journalArticlepeer-review

Abstract

Historical approaches to water quality control are finding new challenges as ecosystem issues are addressed in comprehensive water resources management programs. Important issues include the recognition that physical habitat conditions may be more important than water quality when ecosystem sustainability is the management objective. Although past emphasis has been on the control of continuous discharges, modern watershed management recognizes that achieving ecosystem sustainability requires control of runoff events that are variable in volume, timing, and frequency. This paper will explore how physical habitat management plays a dominant role in the determination of the ecosystem sustainability. Physical habitat is the result of an eco-hydro-geomorphic systems integration. This integration recognizes that magnitude, duration, and frequency, particularly in the hydrologic system contributes to an understanding of sensitivity and vulnerability in channel networks. Other topics of discussion include the critical linkages between contaminant concentration, duration of exposure, and frequency of recurrence in a watershed setting where differing levels of habitat stability are related to landscape use. The paper will also explore ecological engineering and associated ecohydrology and ecohydraulics in the development of modern watershed management.

Original languageEnglish (US)
Pages (from-to)1303-1314
Number of pages12
JournalJournal of Environmental Science and Health - Part A Toxic/Hazardous Substances and Environmental Engineering
Volume41
Issue number7
DOIs
StatePublished - Jul 2006

Keywords

  • Ecohydraulics
  • Ecohydrology
  • Systems-based management approach

ASJC Scopus subject areas

  • Environmental Engineering

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