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sediment phosphorus fractionation

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Journal Article
Aquatic Ecosystem Health & Management (2015) 18 (4): 467–474.
Published: 02 October 2015
... to the overlying water depending on its pH, redox state, various forms of phosphorus present, etc. To examine potential sorption or mobilization of sediment phosphorus in floodplain wetlands, the amount and distribution of phosphorus fractions were evaluated using a sequential chemical extraction procedure...
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Includes: Supplementary data
Journal Article
Aquatic Ecosystem Health & Management (2006) 9 (3): 307–318.
Published: 01 September 2006
... and time as a function of lake morphology, geology and climate . Can. J. Fish. Aquat. Sci. , 49 : 1035 – 1059 . [CSA] Psenner , R. , Pucsko , R. and Sager , M. 1984 . Fractionation of organic and inorganic phosphorus compounds in lake sediments . Arch. Hydrobiol. , 70...
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Journal Article
Aquatic Ecosystem Health & Management (2005) 8 (2): 133–145.
Published: 01 April 2005
..., was taken to represent the loss due to ignition of organic material. Total phosphorus content and distribution of P among various fractions were determined in all surficial and core sediments. Total phosphorus concentrations were determined on ignited sediments using a 16-hr 1 N HCl extraction. Three...
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Journal Article
Aquatic Ecosystem Health & Management (2016) 19 (1): 1–18.
Published: 02 January 2016
... of the compelling research questions in the system involves the delineation of the sediment TP profiles and the improvement of our quantitative understanding of the mechanisms of phosphorus mobilization in the sediments. The on-going determination of the TP fractionation in the sediment profiles...
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Journal Article
Aquatic Ecosystem Health & Management (2003) 6 (2): 147–158.
Published: 01 April 2003
...H. R. Bürgi; H. Bührer; B. Keller Lake Greifensee, a dimictic lake situated near Zürich, Switzerland, has been monitored chemically and biologically since 1971, a period during which total phosphorus concentration changed dramatically. Based on analysis of cores of the lake sediment, this lake...
Journal Article
Aquatic Ecosystem Health & Management (1998) 1 (1): 1–24.
Published: 01 January 1998
... in temperate lakes. The relative importance of the various processes vary from lake to lake. Among internal fluxes, the largest uncertainty lies in the rate of total phosphorus sedimentation. All other internal fluxes (resuspension, diffusion, etc.) depend on this rate. By identifying the major fluxes...
Journal Article
Aquatic Ecosystem Health & Management (2000) 3 (4): 521–531.
Published: 01 January 2000
.... Phosphorus fractions inthe sediment a 13 16 one site of Viana Lake (Cararfi) in the rainy season. were light gray in color and silty in texture, while profiles 3 (Ilha do Cararfi) and 4 (Touro) were of fine texture with dark gray color, suggesting organic content. Downstream (profile 2) at Cajari the sedi...
Journal Article
Aquatic Ecosystem Health & Management (2014) 17 (4): 447–453.
Published: 02 October 2014
...D. F. Malley; P. Williams Lake sediments serve as archives that reflect biological and chemical conditions of lakes. Carbon, nitrogen and phosphorus are determined in sediments and in suspended material in lakes, termed seston, for a number of purposes. These include: assessment of sediment quality...
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Journal Article
Aquatic Ecosystem Health & Management (2018) 21 (4): 447–457.
Published: 02 October 2018
.... Hutchinson, 1967 ). Likewise, high sedimentation rates and rapid resuspension of soft sediments due to strong vertical mixing has been well documented in the Bay (Johnson and Owen, 1971 ; Oveisy et al., 2015 , Arhonditsis et al., 2016 ). Given that Aulacoseira are also known to store phosphorus...
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Includes: Supplementary data
Journal Article
Aquatic Ecosystem Health & Management (2002) 5 (1): 79–93.
Published: 01 March 2002
... that Hexagenia was an important food for epilimnetic fish (Hunt, 1953) and a major bioturbator of the sediments (Edsall et al., 1999). Following reductions of phosphorus loadings to the lake, improved water quality resulted in a recov- ery of mayfly populations and recolonization of most of western Lake Erie...
Journal Article
Aquatic Ecosystem Health & Management (2004) 7 (4): 451–464.
Published: 01 October 2004
... Lakes Research in 1978 provided basic data on sedimentation ( Kemp et al., 1978 ), climatology ( Phillips, 1978 ), physical ( Bennett, 1978 ), chemical ( Weiler, 1978 ) and biological limnology ( Munawar and Munawar, 1978 ). The purpose of this paper is to synthesize current knowledge about organic...
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Journal Article
Aquatic Ecosystem Health & Management (2010) 13 (1): 99–103.
Published: 26 February 2010
... parameters measured in the water column such as water transparency, total phosphorus or chlorophyll- a concentrations. The application of these indices usually requires repeated seasonal monitoring of the system for obtaining the annual mean values. Considering that lake sediments reflect lake trophic state...
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Journal Article
Aquatic Ecosystem Health & Management (2020) 23 (2): 229–244.
Published: 02 April 2020
... provisions of the agreement were commitments from both countries to regulate pollution from industrial and municipal sources in general; it also included specific commitments to improve sewage treatment in order to reduce phosphorus inputs and alleviate eutrophication (U.S.-Can., 1972). Underlying...
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Journal Article
Aquatic Ecosystem Health & Management (2011) 14 (3): 260–268.
Published: 01 July 2011
... in the Sahara and Arabia. They explained that dust emission “hot spots” exist in regions where accumulations of alluvial sediments were disturbed. The absence of detectible phosphorus (P) in the dust source area samples collected in our study correlated with the rock chemical analyses by Goudie and Middleton...
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Journal Article
Aquatic Ecosystem Health & Management (2000) 3 (1): 23–33.
Published: 01 January 2000
... to permanent stratification and hypolimnetic anoxia in the deepest tropical lakes, but also they have consequences for oxygen concentrations throughout the water column and can dramatically affect the biogeochemical cycles of carbon, nitrogen and phosphorus. Denitrification and enhanced regeneration...
Journal Article
Aquatic Ecosystem Health & Management (2002) 5 (1): 45–59.
Published: 01 March 2002
...H. R. Bürgi; P. Stadelmann During the last 45 years, Lake Lucerne (Switzerland) was characterized by four major periods of varying trophic state: 1) the oligotrophic period (1955 to 1969): total phosphorus concentrations below 20 mg m −3 , nitrate-nitrogen 300 to 400 mg m −3 ; 2) a period...
Journal Article
Aquatic Ecosystem Health & Management (2005) 8 (4): 375–395.
Published: 01 October 2005
... Lakes Water Quality Agreement, which has brought about substantial improvements in water quality. While phosphorus abatement resulted in a significant decrease in nutrients, the sudden invasions of exotic species posed a serious threat to Great Lakes food webs. The zebra mussel (Dreissena polymorpha...
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Journal Article
Aquatic Ecosystem Health & Management (2005) 8 (2): 117–131.
Published: 01 April 2005
... in 10% HCl to remove carbonates, rinsed with de-ionized water and freeze-dried. Coarse-grained (> 500 μm) sediments were removed by sieving. The fine-grained fraction was analysed for organic C and N percent and stable isotope composition using a Micromass Isochrom continuous flow mass spectrometer...
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Journal Article
Aquatic Ecosystem Health & Management (1999) 2 (2): 155–185.
Published: 01 January 1999
... . In Boers , P.C.M. , Cappenberg , Th.E. and van Raaphorst , W. , eds. Hydrobiologia . Proceeding of the Third International Workshop on Phosphorus in Sediments . pp. 17 – 376 . vol. 253 Boudou , A. and Ribeyre , F. 1989 . Aquatic Ecotoxicology: Fundamental Concepts...
Journal Article
Aquatic Ecosystem Health & Management (2015) 18 (2): 205–211.
Published: 03 April 2015
... that Swedish freshwater research programs were one of the first to focus on pollution remediation and phosphorus abatement (Willén, 2001a,b ; Wilander and Persson, 2001 ). An excellent example of lakewide water quality research was the Lake Mälaren Project that began in 1964 which examined both physico...
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Includes: Supplementary data