Palaeoenvironmental Reconstruction

  • H. Behling
  • M. Cohen
  • R. J. Lara
  • V. Vedel
Part of the Ecological Studies book series (ECOLSTUD, volume 211)


In this chapter, we will summarize the palaeoenvironmental reconstruction of the main research area of the MADAM project (Bragança Peninsula) and the neighboring areas of the Amazonian coastal region in northern Brazil. About 12 sediment cores, which have been radiocarbon dated and studied by pollen and sediment analysis, provide a detailed insight into past environmental changes and give an outline of sea-level and climate change and its influence on mangrove development and dynamics during the Holocene. The hydrology of the coastal Amazonian wetlands is strongly influenced by the Atlantic sea-level. Rapid sea-level rise in the early Holocene stabilized at near modern levels at ca. 7,500 14Cy BP (radiocarbon years Before Present) and mangroves started to develop in the modern coastal area. The retreat of mangroves after about 6,700 14Cy BP reflects a lower relative sea-level (RSL). The present-day mangroves developed mostly between 4,000 and 3,500 14Cy BP or somewhat later. Since mid-late Holocene times, the mangroves covered even the most elevated area on the Bragança Peninsula, which is today a salt marsh, suggesting somewhat higher RSLs. A model of the mangrove dynamics and coastal change of the Bragança Peninsula will be provided. On the Bragança Peninsula, mangrove vegetation started to develop at different times at the three sites: at 5,120 14Cy BP at the Campo Salgado site, at 2,170 14Cy BP at the Bosque de Avicennia site and at 1,440 14Cy BP at the Furo do Chato site.


Salt Marsh Mangrove Forest Mangrove Ecosystem Mangrove Sediment Amazon Rainforest 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2010

Authors and Affiliations

  1. 1.Department of Palynology and Climate Dynamics, Albrecht-von-Haller-Institute for Plant SciencesUniversity of GöttingenGöttingenGermany
  2. 2.Faculty of OceanographyFederal University of ParáBelémBrazil
  3. 3.Leibniz Center for Tropical Marine EcologyBremenGermany

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