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  • eutrophication  (6)
  • Springer  (6)
  • 1980-1984  (6)
  • 1965-1969
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  • Springer  (6)
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Year
  • 1
    Electronic Resource
    Electronic Resource
    Mechanisms for release of sediment-bound phosphate to water and the effects of agricultural land management on fluvial transport of particulate and dissolved phosphate (1982)
    Springer
    Hydrobiologia 91-92 (1982), S. 519-530 
    Details
    ISSN: 1573-5117
    Keywords: adsorption/desorption ; eutrophication ; runoff ; pollution ; fertilizer
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Sediment-bound phosphate includes organic and inorganic forms, but the inorganic fraction contains most of the P that can be released into water. The non-apatite inorganic P (NAIP) fraction of sediment-bound phosphate varies considerably with geochemistry and anthropogenic additions (fertilizer, livestock wastes, P adsorbed from municipal wastewater discharges). A small fraction of the NAIP is sufficiently labile to desorb into water, and this release can be described by dissolution or adsorption/ desorption mechanisms. Agricultural practices, such as phosphate fertility management and conservation tillage, which affect the levels of phosphate and sediment leaving the land, will determine the partition of sediment-bound P and dissolved P in water draining into lakes, with implications for the availability of that phosphate to phytoplankton.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00000050
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  • 2
    Electronic Resource
    Electronic Resource
    Deepwater sediments and trophic conditions in Florida lakes (1982)
    Springer
    Hydrobiologia 91-92 (1982), S. 597-602 
    Details
    ISSN: 1573-5117
    Keywords: eutrophication ; diagenesis ; sediments ; nitrogen
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Sediment cores were taken from near maximum depth in 15 Florida lakes representing a wide range of trophic conditions. Chemical analyses of surface sediments showed Al, Fe, and Ca to be the most abundant elements in all samples, and the ratio of Al to Ca to be smaller for eutrophic lakes. Sediment organic matter increased with trophic state, as did the degree to which it was enriched in nitrogen. Corresponding sediment C/N ratios decreased with increasing lake trophic state and showed significant negative correlation with chlorophylla, total N, and total P in the water column. Concentrations of sedimentary chlorophyll derivatives showed some relation to trophic state but differences in basin morphometry hinder its use as an inter-lake index of chlorophyll production.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00940148
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Mechanisms for release of sediment-bound phosphate to water and the effects of agricultural land management on fluvial transport of particulate and dissolved phosphate (1982)
    Springer
    Hydrobiologia 91-92 (1982), S. 519-530 
    Details
    ISSN: 1573-5117
    Keywords: adsorption/desorption ; eutrophication ; runoff ; pollution ; fertilizer
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Sediment-bound phosphate includes organic and inorganic forms, but the inorganic fraction contains most of the P that can be released into water. The non-apatite inorganic P (NAIP) fraction of sediment-bound phosphate varies considerably with geochemistry and anthropogenic additions (fertilizer, livestock wastes, P adsorbed from municipal wastewater discharges). A small fraction of the NAIP is sufficiently labile to desorb into water, and this release can be described by dissolution or adsorption/ desorption mechanisms. Agricultural practices, such as phosphate fertility management and conservation tillage, which affect the levels of phosphate and sediment leaving the land, will determine the partition of sediment-bound P and dissolved P in water draining into lakes, with implications for the availability of that phosphate to phytoplankton.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02391966
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Deepwater sediments and trophic conditions in Florida lakes (1982)
    Springer
    Hydrobiologia 91-92 (1982), S. 597-602 
    Details
    ISSN: 1573-5117
    Keywords: eutrophication ; diagenesis ; sediments ; nitrogen
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Sediment cores were taken from near maximum depth in 15 Florida lakes representing a wide range of trophic conditions. Chemical analyses of surface sediments showed Al, Fe, and Ca to be the most abundant elements in all samples, and the ratio of Al to Ca to be smaller for eutrophic lakes. Sediment organic matter increased with trophic state, as did the degree to which it was enriched in nitrogen. Corresponding sediment C/N ratios decreased with increasing lake trophic state and showed significant negative correlation with chlorophylla, total N, and total P in the water column. Concentrations of sedimentary chlorophyll derivatives showed some relation to trophic state but differences in basin morphometry hinder its use as an inter-lake index of chlorophyll production.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02391974
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Mechanisms for release of sediment-bound phosphate to water and the effects of agricultural land management on fluvial transport of particulate and dissolved phosphate (1982)
    Springer
    Hydrobiologia 91-92 (1982), S. 519-530 
    Details
    ISSN: 1573-5117
    Keywords: adsorption/desorption ; eutrophication ; runoff ; pollution ; fertilizer
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Sediment-bound phosphate includes organic and inorganic forms, but the inorganic fraction contains most of the P that can be released into water. The non-apatite inorganic P (NAIP) fraction of sediment-bound phosphate varies considerably with geochemistry and anthropogenic additions (fertilizer, livestock wastes, P adsorbed from municipal wastewater discharges). A small fraction of the NAIP is sufficiently labile to desorb into water, and this release can be described by dissolution or adsorption/ desorption mechanisms. Agricultural practices, such as phosphate fertility management and conservation tillage, which affect the levels of phosphate and sediment leaving the land, will determine the partition of sediment-bound P and dissolved P in water draining into lakes, with implications for the availability of that phosphate to phytoplankton.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00940140
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    Paper (German National Licenses)
    Fulltext
  • 6
    Electronic Resource
    Electronic Resource
    Deepwater sediments and trophic conditions in Florida lakes (1982)
    Springer
    Hydrobiologia 91-92 (1982), S. 597-602 
    Details
    ISSN: 1573-5117
    Keywords: eutrophication ; diagenesis ; sediments ; nitrogen
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Sediment cores were taken from near maximum depth in 15 Florida lakes representing a wide range of trophic conditions. Chemical analyses of surface sediments showed Al, Fe, and Ca to be the most abundant elements in all samples, and the ratio of Al to Ca to be smaller for eutrophic lakes. Sediment organic matter increased with trophic state, as did the degree to which it was enriched in nitrogen. Corresponding sediment C/N ratios decreased with increasing lake trophic state and showed significant negative correlation with chlorophyll a, total N, and total P in the water column. Concentrations of sedimentary chlorophyll derivatives showed some relation to trophic state but differences in basin morphometry hinder its use as an inter-lake index of chlorophyll production.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00000058
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    Paper (German National Licenses)
    Fulltext
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