publication . Article . 2016

Diel turbidity cycles in a headwater stream: evidence of nocturnal bioturbation?

Richard J. Cooper; Faye N. Outram; Kevin M. Hiscock;
Open Access
  • Published: 01 Jun 2016 Journal: Journal of Soils and Sediments, volume 16, pages 1,815-1,824 (issn: 1439-0108, eissn: 1614-7480, Copyright policy)
  • Publisher: Springer Science and Business Media LLC
  • Country: United Kingdom
Abstract
Purpose: A small number of recent studies have linked daily cycles in stream turbidity to nocturnal bioturbation by aquatic fauna, principally crayfish, and demonstrated this process can significantly impact upon water quality under baseflow conditions. Adding to this limited body of research, we use high-resolution water quality monitoring data to investigate evidence of diel turbidity cycles in a lowland, headwater stream with a known signal crayfish (Pacifastacus leniusculus) population and explore a range of potential causal mechanisms. Materials and methods: Automatic bankside monitoring stations measured turbidity and other water quality parameters at 30-m...
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Subjects
free text keywords: Earth-Surface Processes, Stratigraphy, Diel vertical migration, Ecology, Turbidity, Pacifastacus, biology.organism_classification, biology, Environmental science, Crayfish, Water quality, Bioturbation, Population, education.field_of_study, education, Signal crayfish
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