Assessment of cumulative impacts to water quality in a forested wetland landscape

Daniel Childers, J. G. Gosselink

Research output: Chapter in Book/Report/Conference proceedingChapter

25 Scopus citations


Historical records of suspended sediment, N, P, and turbidity from three streams in the Tensas Basin, Lousiana were analyzed. Significant positive relationships between water levels in these streams and concentrations of total P, total Kjeldahl N, total suspended sediment, and turbidity confirmed a loading phenomenon characteristic of watersheds in which much of the original forest cover has been cleared. Temporal trends in nutrient concentration show that water quality has been declining steadily since 1958 in one river, whereas in the other two the decline largely occurred before then. Improvement of the aquatic ecosystem can be achieved in a number of ways, including the reestablishment of natural hydrologic flow wherever possible, the use of agricultural practices that reduce runoff, the protection of existing forested corridors along streams, and the mitigative creation of new buffering zones. -Authors

Original languageEnglish (US)
Title of host publicationJournal of Environmental Quality
Number of pages10
StatePublished - 1990
Externally publishedYes

ASJC Scopus subject areas

  • General Environmental Science
  • General Earth and Planetary Sciences
  • Environmental Chemistry


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