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@TECHREPORT{Amer:863765,
      author       = {Amer, H. A.},
      title        = {{I}nvestigation of the bioindicator {F}ucus vesiculosus and
                      its application in biomonitoring programs},
      volume       = {3557},
      number       = {Juel-3557},
      address      = {Jülich},
      publisher    = {Forschungszentrum Jülich, Zentralbibliothek, Verlag},
      reportid     = {FZJ-2019-03763, Juel-3557},
      series       = {Berichte des Forschungszentrums Jülich},
      pages        = {II, 133 p.},
      year         = {1998},
      abstract     = {The brown alga $\textit{Fucus vesiculosus}$ has been
                      suggested as an indicator of heavy metal pollution in the
                      North Sea coastal water. A wide range of trace elements and
                      metals was determined in $\textit{Fucus vesiculosus}$ using
                      multielement techniques. The good reproducibility of
                      Instrumental Neutron Activation Analysis (INAA) and
                      confirmation of the obtained results with Inductively
                      Coupled Plasma Atomic Emission Spectrometry (ICP-AES) and
                      Mass Spectrometry (ICP-MS)have been used as the fundamental
                      approaches for assuring the accuracy of data presented in
                      this work. $\textit{Fucus vesiculosus}$ was collected from
                      three representative areas, Eckwarderhörne (Weser estuary),
                      Cuxhaven (Elbe estuary), and Sylt-List (less polluted) at
                      bimonthly intervals. After collection the algae were
                      transferred in the gaseous phase of liquid nitrogen to the
                      laboratory. The autecology of the sampled $\textit{Fucus
                      vesiculosus}$, with respect to maximum and minimum growth in
                      February and August respectively, the influence of sampling
                      time and the variation in differently aged tissues of the
                      algae on the accumulation of heavy metals were considered.
                      Samples collected from Eckwarderhörne were used to study
                      the biological variability along the algae bedrock. The
                      relative contribution ratio of the different parts to the
                      whole plant concentration on the fresh wet basis was
                      estimated as well as the relative variability of the element
                      concentrations inEckwarderhörne. Concentration of the
                      differently aged tissues was found to affect the
                      concentration of different elements. The $\textit{General
                      Linear Models procedure}$ was applied in the course of
                      investigating element concentration variational patterns
                      with respect to four factors: collection site, sampling
                      month, sampling year and combination effect adjusted for
                      every other effect. $\textit{Stepwise selection}$
                      discrimination analysis showed that the elements Ba, Cu, and
                      Co clearly discriminated between the three collection areas.
                      For Eckwarderhörne and Cuxhaven the elements Co, Zn, P, Mg,
                      and Se were considered, for Sylt-List and Cuxhaven, the
                      elements Ba, Cu, Na, and Tb, and for Sylt List and
                      Eckwarderhörne the elements Cu, Cd, As, Se, and Sr.
                      Differences in the accumulation and seasonal variations in
                      1993 and 1994 were studied by performing $\textit{Principal
                      Component Analysis}$ (PCA). [...]},
      cin          = {PRE-2000},
      cid          = {I:(DE-Juel1)PRE2000-20140101},
      pnm          = {899 - ohne Topic (POF3-899)},
      pid          = {G:(DE-HGF)POF3-899},
      typ          = {PUB:(DE-HGF)3 / PUB:(DE-HGF)29},
      url          = {https://juser.fz-juelich.de/record/863765},
}