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Rickert, Esther; Karsten, Ulf; Pohnert, Georg; Wahl, Martin (2016): Investigations on Fucus vesiculosus and Fucus serratus at outer Kiel Fjord over one year (August 2012 - July 2013). PANGAEA, https://doi.org/10.1594/PANGAEA.858055, Supplement to: Rickert, E et al. (2015): Seasonal fluctuations in chemical defenses against macrofouling in Fucus vesiculosus and Fucus serratus from the Baltic Sea. Biofouling, 31(4), 363-377, https://doi.org/10.1080/08927014.2015.1041020

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Abstract:
Macroalgae, especially perennial species, are exposed to a seasonally variable fouling pressure. It was hypothesized that macroalgae regulate their antifouling defense to fouling pressure. Over one year, the macrofouling pressure and the chemical anti-macrofouling defense strength of the brown algae Fucus vesiculosus and Fucus serratus were assessed with monthly evaluation. The anti-macrofouling defense was assessed by means of surface-extracted Fucus metabolites tested at near-natural concentrations in a novel in situ bioassay. Additionally, the mannitol content of both Fucus species was determined to assess resource availability for defense production. The surface chemistry of both Fucus species exhibited seasonal variability in attractiveness to Amphibalanus improvisus and Mytilus edulis. Of this variability, 50-60% is explained by a sinusoidal model. Only F. vesiculosus extracts originating from the spring and summer significantly deterred settlement of A. improvisus. The strength of macroalgal antifouling defense did not correlate either with in situ macrofouling pressure or with measured mannitol content, which, however, were never depleted.
Coverage:
Latitude: 54.455830 * Longitude: 10.199160
Date/Time Start: 2012-08-01T00:00:00 * Date/Time End: 2013-07-28T12:00:00
Size:
7 datasets

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Datasets listed in this publication series

  1. Rickert, E; Karsten, U; Pohnert, G et al. (2016): Anti-macrofouling defense strength of Fucus vesiculosus and Fucus serratus assessed by means of surface-extracted metabolites tested in a novel in situ bioassay. https://doi.org/10.1594/PANGAEA.858054
  2. Rickert, E; Karsten, U; Pohnert, G et al. (2016): Macrofouling pressure recorded at outer Kiel Fjord on PVC panels in monthly intervals (August 2012 - July 2013). https://doi.org/10.1594/PANGAEA.858047
  3. Rickert, E; Karsten, U; Pohnert, G et al. (2016): Macrofouling status of Fucus vesiculosus and Fucus serratus recorded at outer Kiel Fjord in monthly intervals (August 2012 - July 2013). https://doi.org/10.1594/PANGAEA.858052
  4. Rickert, E; Karsten, U; Pohnert, G et al. (2016): Surface seawater parameters (light intensity) measured at outer Kiel Fjord (August 2012 - July 2013). https://doi.org/10.1594/PANGAEA.858035
  5. Rickert, E; Karsten, U; Pohnert, G et al. (2016): Surface seawater parameters (nutrients) measured at outer Kiel Fjord (August 2012 - July 2013). https://doi.org/10.1594/PANGAEA.858041
  6. Rickert, E; Karsten, U; Pohnert, G et al. (2016): Surface seawater parameters (temperature, salinity) measured at outer Kiel Fjord (August 2012 - July 2013). https://doi.org/10.1594/PANGAEA.858032
  7. Rickert, E; Karsten, U; Pohnert, G et al. (2016): Tissue mannitol content of Fucus vesiculosus and Fucus serratus determined monthly at outer Kiel Fjord (August 2012 - July 2013). https://doi.org/10.1594/PANGAEA.858046