2002
DOI: 10.1080/03680770.2001.11901954
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Effects of periphyton biomass and suspended solids on river bed permeability and hyporheic oxygen balances

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Cited by 3 publications
(8 citation statements)
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“…Primary production estimated for the Lahn based on different reaeration estimators was on average four times higher (experiments in September 1999) than in the Necker. This seems to be reasonable, as mean chlorophyll a values of the Lahn determined at the same period by Ibisch and Borchardt (2002) exceeded the maximum values in the Necker by more than 200%. This result is in accordance to our second hypothesis that high nutrient levels in the Lahn increase primary production and subsequently benthic surface respiration.…”
Section: Algal Primary Productionmentioning
confidence: 90%
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“…Primary production estimated for the Lahn based on different reaeration estimators was on average four times higher (experiments in September 1999) than in the Necker. This seems to be reasonable, as mean chlorophyll a values of the Lahn determined at the same period by Ibisch and Borchardt (2002) exceeded the maximum values in the Necker by more than 200%. This result is in accordance to our second hypothesis that high nutrient levels in the Lahn increase primary production and subsequently benthic surface respiration.…”
Section: Algal Primary Productionmentioning
confidence: 90%
“…30% of the total river flow at baseflow conditions is treated wastewater. The land use in the catchment area (453 km 2 ) is dominated by agriculture and forestry and the river is in an almost eutrophic state (Ibisch and Borchardt 2002).…”
Section: Study Sitementioning
confidence: 99%
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“…TSS is also considered to cause habitat deterioration for the benthic zone (Alabaster and Lloyd, 1980;DFO, 2000;Henley et al, 2000;Paul and Meyer, 2008). They can, for instance, blanket the bottom of riverbeds inhibiting exchange processes in the hyporheic zone, or block gravel spawning beds (EIFAC, 1969;Edberg and Hofsten, 1973;Burton and Pitt, 2002;Ibisch and Borchardt, 2003). This siltation process is also described in the literature as "embeddedness", i.e., the proportion of coarse bed covered by fine sediment, <2 mm, essentially TSS (Waters, 1995).…”
Section: Introductionmentioning
confidence: 97%