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Datasets of project "Impact of climate induced glacier melt on marine coastal systems, Antarctica"

Mostrando recursos 1 - 20 de 683

  1. Meiofauna densities, nematode biomass, nematode genus diversity, sediment grain size, organic matter, and pigments for the surface layers of two sites in summer (November 2009) and winter (august 2010)

    Pasotti, Francesca; Convey, Peter; Vanreusel, Ann
    The meiobenthic community of Potter Cove (King George Island, west Antarctic Peninsula) was investigated, focusing on responses to summer/winter conditions in two study sites contrasting in terms of organic matter inputs. Meiofaunal densities were found to be higher in summer and lower in winter, although this result was not significantly related to the in situ availability of organic matter in each season. The combination of food quality and competition for food amongst higher trophic levels may have played a role in determining the standing stocks at the two sites. Meiobenthic winter abundances were sufficiently high to infer that energy sources...

  2. Meiofauna densities, nematode biomass, nematode genus diversity, sediment grain size, organic matter, and pigments for the surface layers of two sites in summer (November 2009) and winter (august 2010)

    Pasotti, Francesca; Convey, Peter; Vanreusel, Ann
    The meiobenthic community of Potter Cove (King George Island, west Antarctic Peninsula) was investigated, focusing on responses to summer/winter conditions in two study sites contrasting in terms of organic matter inputs. Meiofaunal densities were found to be higher in summer and lower in winter, although this result was not significantly related to the in situ availability of organic matter in each season. The combination of food quality and competition for food amongst higher trophic levels may have played a role in determining the standing stocks at the two sites. Meiobenthic winter abundances were sufficiently high to infer that energy sources...

  3. Nematoda genus diversity for the surface layers of two sites in summer (November 2009) and winter (August 2010) in the Potter Cove, west Antarctic Peninsula

    Pasotti, Francesca; Convey, Peter; Vanreusel, Ann

  4. Nematoda genus diversity for the surface layers of two sites in summer (November 2009) and winter (August 2010) in the Potter Cove, west Antarctic Peninsula

    Pasotti, Francesca; Convey, Peter; Vanreusel, Ann

  5. Nematoda biomass and densities for the surface layers of two sites in summer (November 2009) and winter (August 2010) in the Potter Cove, west Antarctic Peninsula

    Pasotti, Francesca; Convey, Peter; Vanreusel, Ann

  6. Nematoda biomass and densities for the surface layers of two sites in summer (November 2009) and winter (August 2010) in the Potter Cove, west Antarctic Peninsula

    Pasotti, Francesca; Convey, Peter; Vanreusel, Ann

  7. Meiofauna densities for the surface layers of two sites in summer (November 2009) and winter (August 2010) in the Potter Cove, west Antarctic Peninsula

    Pasotti, Francesca; Convey, Peter; Vanreusel, Ann

  8. Meiofauna densities for the surface layers of two sites in summer (November 2009) and winter (August 2010) in the Potter Cove, west Antarctic Peninsula

    Pasotti, Francesca; Convey, Peter; Vanreusel, Ann

  9. Sediment grain size, organic matter, and pigments for the surface layers of two sites in summer (November 2009) and winter (August 2010) in the Potter Cove, west Antarctic Peninsula

    Pasotti, Francesca; Convey, Peter; Vanreusel, Ann

  10. Sediment grain size, organic matter, and pigments for the surface layers of two sites in summer (November 2009) and winter (August 2010) in the Potter Cove, west Antarctic Peninsula

    Pasotti, Francesca; Convey, Peter; Vanreusel, Ann

  11. Sediment and pore water geochemistry of sediment cores, Potter Cove, King George Island

    Monien, Patrick; Lettmann, Karsten Alexander; Monien, Donata; Asendorf, Sanja; Wölfl, Anne-Cathrin; Lim, Chai Heng; Thal, Janis; Schnetger, Bernhard; Brumsack, Hans-Jürgen
    Redox-sensitive trace metals (Mn, Fe, U, Mo, Re), nutrients and terminal metabolic products (NO3-, NH4+, PO43-, total alkalinity) were for the first time investigated in pore waters of Antarctic coastal sediments. The results of this study reveal a high spatial variability in redox conditions in surface sediments from Potter Cove, King George Island, western Antarctic Peninsula. Particularly in the shallower areas of the bay the significant correlation between sulphate depletion and total alkalinity, the inorganic product of terminal metabolism, indicates sulphate reduction to be the major pathway of organic matter mineralisation. In contrast, dissimilatory metal oxide reduction seems to be...

  12. Sediment and pore water geochemistry of sediment cores, Potter Cove, King George Island

    Monien, Patrick; Lettmann, Karsten Alexander; Monien, Donata; Asendorf, Sanja; Wölfl, Anne-Cathrin; Lim, Chai Heng; Thal, Janis; Schnetger, Bernhard; Brumsack, Hans-Jürgen
    Redox-sensitive trace metals (Mn, Fe, U, Mo, Re), nutrients and terminal metabolic products (NO3-, NH4+, PO43-, total alkalinity) were for the first time investigated in pore waters of Antarctic coastal sediments. The results of this study reveal a high spatial variability in redox conditions in surface sediments from Potter Cove, King George Island, western Antarctic Peninsula. Particularly in the shallower areas of the bay the significant correlation between sulphate depletion and total alkalinity, the inorganic product of terminal metabolism, indicates sulphate reduction to be the major pathway of organic matter mineralisation. In contrast, dissimilatory metal oxide reduction seems to be...

  13. Sediment and pore water geochemistry of sediment cores, Potter Cove, King George Island

    Monien, Patrick; Lettmann, Karsten Alexander; Monien, Donata; Asendorf, Sanja; Wölfl, Anne-Cathrin; Lim, Chai Heng; Thal, Janis; Schnetger, Bernhard; Brumsack, Hans-Jürgen
    Redox-sensitive trace metals (Mn, Fe, U, Mo, Re), nutrients and terminal metabolic products (NO3-, NH4+, PO43-, total alkalinity) were for the first time investigated in pore waters of Antarctic coastal sediments. The results of this study reveal a high spatial variability in redox conditions in surface sediments from Potter Cove, King George Island, western Antarctic Peninsula. Particularly in the shallower areas of the bay the significant correlation between sulphate depletion and total alkalinity, the inorganic product of terminal metabolism, indicates sulphate reduction to be the major pathway of organic matter mineralisation. In contrast, dissimilatory metal oxide reduction seems to be...

  14. Pore water geochemistry of sediment core PC-P09a, Potter Cove, King Georg Island

    Monien, Patrick; Monien, Donata; Schnetger, Bernhard; Brumsack, Hans-Jürgen

  15. Pore water geochemistry of sediment core PC-P09a, Potter Cove, King Georg Island

    Monien, Patrick; Monien, Donata; Schnetger, Bernhard; Brumsack, Hans-Jürgen

  16. Pore water geochemistry of sediment core PC-P11, Potter Cove, King Georg Island

    Monien, Patrick; Monien, Donata; Schnetger, Bernhard; Brumsack, Hans-Jürgen

  17. Pore water geochemistry of sediment core PC-P11, Potter Cove, King Georg Island

    Monien, Patrick; Monien, Donata; Schnetger, Bernhard; Brumsack, Hans-Jürgen

  18. Pore water geochemistry of sediment core PC-P08a, Potter Cove, King Georg Island

    Monien, Patrick; Monien, Donata; Schnetger, Bernhard; Brumsack, Hans-Jürgen

  19. Pore water geochemistry of sediment core PC-P08a, Potter Cove, King Georg Island

    Monien, Patrick; Monien, Donata; Schnetger, Bernhard; Brumsack, Hans-Jürgen

  20. Pore water geochemistry of sediment core PC-P07a, Potter Cove, King Georg Island

    Monien, Patrick; Monien, Donata; Schnetger, Bernhard; Brumsack, Hans-Jürgen

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