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@ARTICLE{Enters:6421,
      author       = {Enters, D. and Jahns, S. and Kirilova, E. and Kuhn, G. and
                      Lotter, A. and Lücke, A. and Parplies, J. and Zolitschka,
                      B.},
      title        = {{C}limate change and human impact at {S}acrower {S}ee ({NE}
                      {G}ermany) during the past 13,000 years: a geochemical
                      record},
      journal      = {Journal of paleolimnology},
      volume       = {43},
      issn         = {0921-2728},
      address      = {Dordrecht [u.a.]},
      publisher    = {Springer Science + Business Media B.V},
      reportid     = {PreJuSER-6421},
      pages        = {719 - 737},
      year         = {2010},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {Lacustrine sediments in north-eastern Germany have rarely
                      been used as archives to address the effects of climate
                      change and human impact on both lake ecosystem and landscape
                      evolution for this region. Sacrower See, a hardwater lake
                      located in Brandenburg, provides a unique sediment record
                      covering the past 13,000 years which was used to reconstruct
                      climatic and anthropogenic forcing on lacustrine
                      sedimentation. Time control is provided by 12 AMS C-14 dates
                      of terrestrial plant remains, the Laacher See Tephra, and
                      the onset of varve formation in AD 1870 (80 cal. BP).
                      Geochemical (including XRF logging of major elements, CNS
                      analyses as well as delta C-13(org) and delta N-15
                      measurements) and pollen analyses allowed detecting detailed
                      environmental changes in the sediment record. During the
                      Younger Dryas cold phase increased soil erosion and
                      hypolimnetic oxygen depletion enhanced the nutrient supply
                      to the lake water causing eutrophic conditions. The
                      beginning of the Holocene is characterized by large changes
                      in C/N ratios, total sulphur, delta C-13 of bulk organic
                      matter as well as in K, Si, and Ti, reflecting the response
                      of the lake's catchment to climatic warming. Reforestation
                      reduced the influx of detrital particles and terrestrial
                      organic matter. The first, rather weak evidence of human
                      impact is documented only in the pollen record at 5,500 cal.
                      BP. However, until 3,200 cal. BP sedimentological and
                      geochemical parameters indicate relatively stable
                      environmental conditions. During periods of intense human
                      impact at around 3,200, 2,800, and 900 cal. BP peaks in Ti
                      and K represent phases of increased soil erosion due to
                      forest clearing during the Bronze Age, Iron Age, and
                      Medieval Times, respectively. In general, greater variation
                      is observed in most variables during these perturbations,
                      indicating less stable environmental conditions. The steady
                      rise of biogenic silica accumulation rates during the
                      Holocene reflects an increasing productivity of Sacrower See
                      until diatoms were outcompeted by other algae during the
                      last centuries. The applied multi-proxy approach fosters the
                      interpretation of the sediment record to reveal a consistent
                      picture of environmental change including environmental
                      factors controlling lake ontogeny and the effects of human
                      impact.},
      keywords     = {J (WoSType)},
      cin          = {ICG-4},
      ddc          = {930},
      cid          = {I:(DE-Juel1)VDB793},
      pnm          = {Terrestrische Umwelt},
      pid          = {G:(DE-Juel1)FUEK407},
      shelfmark    = {Environmental Sciences / Geosciences, Multidisciplinary /
                      Limnology},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000276481300007},
      doi          = {10.1007/s10933-009-9362-3},
      url          = {https://juser.fz-juelich.de/record/6421},
}