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Estimating the amount of mobile phosphorus in Baltic coastal soft sediments of central Sweden

A new dataset based on 102 sediment cores was examined to estimate the amount of phosphorus (P) that will eventually be released to the water column from the Baltic coastal sediments along the Swedish coast between Oregrund and Oxelosund. Total P ([P.sub.tot]) concentration in the surface sediments... Full description

Journal Title: Boreal environment research 2012, Vol.17 (6), p.425-436
Main Author: MIKAEL MALMAEUS, J
Other Authors: RYDIN, Emil , JONSSON, Per , LINDGREN, Dan , MAGNUS KARLSSON, O
Format: Electronic Article Electronic Article
Language: English
Subjects:
Quelle: Alma/SFX Local Collection
Publisher: Helsinski: Finnish Environment Institute
ID: ISSN: 1239-6095
Zum Text:
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recordid: cdi_swepub_primary_oai_DiVA_org_uu_144116
title: Estimating the amount of mobile phosphorus in Baltic coastal soft sediments of central Sweden
format: Article
creator:
  • MIKAEL MALMAEUS, J
  • RYDIN, Emil
  • JONSSON, Per
  • LINDGREN, Dan
  • MAGNUS KARLSSON, O
subjects:
  • Animal and plant ecology
  • Animal, plant and microbial ecology
  • Biologi
  • Biological and medical sciences
  • Biological Sciences
  • Biologiska vetenskaper
  • Biology
  • Composition
  • Earth and Related Environmental Sciences
  • Earth Science with specialization in Environmental Analysis
  • Earth sciences
  • Earth, ocean, space
  • Ecology
  • Ekologi
  • Environmental aspects
  • Environmental Sciences
  • Exact sciences and technology
  • Fundamental and applied biological sciences. Psychology
  • General aspects
  • Geochemistry
  • Geovetenskap med inriktning mot miljöanalys
  • Geovetenskap och miljövetenskap
  • Marin ekologi
  • Marine and continental quaternary
  • Marine ecology
  • Miljövetenskap
  • Natural Sciences
  • Naturvetenskap
  • Phosphorus
  • Sediments (Geology)
  • Surficial geology
  • Synecology
  • Terrestrial, freshwater and marine ecology
  • Terrestrisk, limnisk och marin ekologi
ispartof: Boreal environment research, 2012, Vol.17 (6), p.425-436
description: A new dataset based on 102 sediment cores was examined to estimate the amount of phosphorus (P) that will eventually be released to the water column from the Baltic coastal sediments along the Swedish coast between Oregrund and Oxelosund. Total P ([P.sub.tot]) concentration in the surface sediments varied between 840 and 7100 [micro]g [g.sup.-1] dry weight (dw) with an average of 1650 [micro]g [g.sup.-1] dw. In deep sediments, the [P.sub.tot] concentration was around 1000 [micro]g [g.sup.-1] with small variation. The difference between surface concentration and the stable, deeper, concentration represents P to be released, i.e. the mobile P. Pools of mobile P varied between 1.5 and 18.2 g [m.sup.-2]. Correlations between surface [P.sub.tot] concentrations and amounts of mobile P were strong ([r.sup.2] = 0.88). We estimate the amount of mobile P in the coastal sediments of the investigated region to be between 1000 and 4000 tonnes. Assuming a turnover time of the mobile P between three and ten years gives an average annual P release of 100-1300 tonnes [yr.sup.-1].
language: eng
source: Alma/SFX Local Collection
identifier: ISSN: 1239-6095
fulltext: fulltext
issn:
  • 1239-6095
  • 1797-2469
  • 1797-2469
url: Link


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titleEstimating the amount of mobile phosphorus in Baltic coastal soft sediments of central Sweden
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descriptionA new dataset based on 102 sediment cores was examined to estimate the amount of phosphorus (P) that will eventually be released to the water column from the Baltic coastal sediments along the Swedish coast between Oregrund and Oxelosund. Total P ([P.sub.tot]) concentration in the surface sediments varied between 840 and 7100 [micro]g [g.sup.-1] dry weight (dw) with an average of 1650 [micro]g [g.sup.-1] dw. In deep sediments, the [P.sub.tot] concentration was around 1000 [micro]g [g.sup.-1] with small variation. The difference between surface concentration and the stable, deeper, concentration represents P to be released, i.e. the mobile P. Pools of mobile P varied between 1.5 and 18.2 g [m.sup.-2]. Correlations between surface [P.sub.tot] concentrations and amounts of mobile P were strong ([r.sup.2] = 0.88). We estimate the amount of mobile P in the coastal sediments of the investigated region to be between 1000 and 4000 tonnes. Assuming a turnover time of the mobile P between three and ten years gives an average annual P release of 100-1300 tonnes [yr.sup.-1].
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subjectAnimal and plant ecology ; Animal, plant and microbial ecology ; Biologi ; Biological and medical sciences ; Biological Sciences ; Biologiska vetenskaper ; Biology ; Composition ; Earth and Related Environmental Sciences ; Earth Science with specialization in Environmental Analysis ; Earth sciences ; Earth, ocean, space ; Ecology ; Ekologi ; Environmental aspects ; Environmental Sciences ; Exact sciences and technology ; Fundamental and applied biological sciences. Psychology ; General aspects ; Geochemistry ; Geovetenskap med inriktning mot miljöanalys ; Geovetenskap och miljövetenskap ; Marin ekologi ; Marine and continental quaternary ; Marine ecology ; Miljövetenskap ; Natural Sciences ; Naturvetenskap ; Phosphorus ; Sediments (Geology) ; Surficial geology ; Synecology ; Terrestrial, freshwater and marine ecology ; Terrestrisk, limnisk och marin ekologi
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descriptionA new dataset based on 102 sediment cores was examined to estimate the amount of phosphorus (P) that will eventually be released to the water column from the Baltic coastal sediments along the Swedish coast between Oregrund and Oxelosund. Total P ([P.sub.tot]) concentration in the surface sediments varied between 840 and 7100 [micro]g [g.sup.-1] dry weight (dw) with an average of 1650 [micro]g [g.sup.-1] dw. In deep sediments, the [P.sub.tot] concentration was around 1000 [micro]g [g.sup.-1] with small variation. The difference between surface concentration and the stable, deeper, concentration represents P to be released, i.e. the mobile P. Pools of mobile P varied between 1.5 and 18.2 g [m.sup.-2]. Correlations between surface [P.sub.tot] concentrations and amounts of mobile P were strong ([r.sup.2] = 0.88). We estimate the amount of mobile P in the coastal sediments of the investigated region to be between 1000 and 4000 tonnes. Assuming a turnover time of the mobile P between three and ten years gives an average annual P release of 100-1300 tonnes [yr.sup.-1].
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abstractA new dataset based on 102 sediment cores was examined to estimate the amount of phosphorus (P) that will eventually be released to the water column from the Baltic coastal sediments along the Swedish coast between Oregrund and Oxelosund. Total P ([P.sub.tot]) concentration in the surface sediments varied between 840 and 7100 [micro]g [g.sup.-1] dry weight (dw) with an average of 1650 [micro]g [g.sup.-1] dw. In deep sediments, the [P.sub.tot] concentration was around 1000 [micro]g [g.sup.-1] with small variation. The difference between surface concentration and the stable, deeper, concentration represents P to be released, i.e. the mobile P. Pools of mobile P varied between 1.5 and 18.2 g [m.sup.-2]. Correlations between surface [P.sub.tot] concentrations and amounts of mobile P were strong ([r.sup.2] = 0.88). We estimate the amount of mobile P in the coastal sediments of the investigated region to be between 1000 and 4000 tonnes. Assuming a turnover time of the mobile P between three and ten years gives an average annual P release of 100-1300 tonnes [yr.sup.-1].
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