Riparian zone as a source of phosphorus for a groundwater-dominated lake

Vaněk, V.

doi:10.1016/0043-1354(91)90077-4

Cited by 47 publications

(25 citation statements)

References 10 publications

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“…The area P loading via LGD is 161 mg m -2 yr -1 . Values reported for other lakes range from 6 to about 2900 mg P m -2 yr -1 via LGD (e. g. Belanger et al, 1985;Brock et al 1982;Kang et al, 2005;LaBaugh et al 1995;Lewandowski et al, 2014;McCobb et al, 2003;Misztal et al, 1992;Ommen et al, 2012;Shaw, 1990;Vanek, 1991). Other studies also found LGD as a major contributor to lake P budgets.…”

Section: The Role Of Lgd At Lake Arendseementioning

confidence: 96%

Phosphorus in groundwater discharge – A potential source for lake eutrophication

Meinikmann

Hupfer

Lewandowski

2015

Journal of Hydrology

163

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Section: The Role Of Lgd At Lake Arendseementioning

confidence: 96%

Phosphorus in groundwater discharge – A potential source for lake eutrophication

Meinikmann

Hupfer

Lewandowski

2015

Journal of Hydrology

163

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“…It is possible, therefore, that losses of P from some wetlands have been underestimated. Many studies argue that wetlands reduce P less efficiently than N as, unlike N which can be lost to the atmosphere from the wetland via denitrification, P cannot be lost from the system (Vanek, 1991). However, orthophosphate (PO 4 ) and TP were also removed by up to 100% from water flowing through a peat land (Kellog and Bridgeham, 2003) and a forested riparian area (Chescheir et al, 1991).…”

Section: Discussionmentioning

confidence: 99%

“…This will allow P binding to Fe and Al under aerobic conditions and may minimise sediment P-release (Mortimer, 1941;Jensen et al, 1992). Rzepecki (2002) and Vanek (1991) noted increased soluble P transport from wetlands when reducing or water logging conditions prevailed. In contrast, many of the studies reviewed noted that N loss was maximised by fluctuating water tables (Patrick and Wyatt, 1964) or by a close juxtaposition of aerobic and anaerobic zones within the sediment (Koch et al, 1992).…”

Section: What Lessons Can Be Learned From This Assessment Of Natural mentioning

confidence: 99%

Wetland nutrient removal: a review of the evidence

Fisher

Acreman

2004

Hydrol. Earth Syst. Sci.

369

222

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Data from 57 wetlands from around the world have been collated to investigate whether wetlands affect the nutrient loading of waters draining through them; the majority of wetlands reduced nutrient loading and there was little difference in the proportion of wetlands that reduced N to those that reduced P loading. However, some wetlands increased nutrient loadings by increasing the loading of soluble N and P species thus potentially driving aquatic eutrophication. Studies conducted over a period of a year or more, or that involved frequent sampling during high flow events, were more likely to indicate that the wetland increased nutrient loadings. Swamps and marshes differed from riparian zones in their nutrient function characteristics by being slightly more effective at nutrient reduction than riparian zones. The attributes that enable wetlands to be effective in reducing N and P loadings need consideration when constructing or managing wetlands to reduce nutrient loadings. Their wise use will be an important strategy for meeting the Water Framework Directive requirements for many water bodies.

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“…Groundwater entering Lake Bysjdn is rich in phosphate, and causes elevated phosphorus concentrations in the near-shore lake water (Vanek, 1991a). Groundwater is the only known external source of phosphorus to the lake.…”

Section: Introductionmentioning

confidence: 99%

“…Yet, low concentrations of phosphorus were reported from the nearby located private wells (Enell, 1980). To explain this contradiction, I suggested that phosphorus might have been trapped within the riparian zone for a long period of time, and is now being flushed to the lake via groundwater flow as a result of increased decomposition of organic matter (Vanek, 1991a(Vanek, , 1991b. The present study is aimed at testing this hypothesis.…”

Section: Introductionmentioning

confidence: 99%

Transport of groundwater-borne phosphorus to Lake Bysj�n, South Sweden

Vaněk

1993

Hydrobiologia

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Lake Bysjiin is a hypertrophic seepage lake, with groundwater as a main external source of phosphorus. Twelve groundwater samples from the vicinity of the lake were high in phosphate (0.4 to 11 mg 1~ ', mean value 2.57 mg l-' PO,-P), both within the riparian zone and in two shallow wells located upstreams the lake in the nearby village. Phosphorus sorption capacity of four sand samples measured with the Langmuir isotherm method was low (7.3 to 121.1 mg kg-' PO,-P), with the lowest values found within the riparian zone. It is suggested that the phosphorus originates from garden fertilizers and other human sources, and that the low absorption capacity of the soils is caused by the leaching of calcium from the watershed, a process which started some 3000 years ago. Riparian zone itself has almost no retention capacity, and processes within it (e.g., redox-related) have only secondary importance for the transport of phosphorus to the lake.

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Riparian zone as a source of phosphorus for a groundwater-dominated lake

Cited by 47 publications

References 10 publications

Phosphorus in groundwater discharge – A potential source for lake eutrophication

Phosphorus in groundwater discharge – A potential source for lake eutrophication

Wetland nutrient removal: a review of the evidence

Transport of groundwater-borne phosphorus to Lake Bysj�n, South Sweden

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