Mid- to late-Holocene land-use change and lake development at Dallund Sø, Denmark: Synthesis of multiproxy data, linking land and lake

Emily G. Bradshaw, Peter Rasmussen, Bent Vad Odgaard

Research output: Contribution to journalArticleResearchpeer-review

75 Citations (Scopus)

Abstract

Multiproxy palaeoecological data for lake Dallund Sø, Denmark, were synthesized to explore the link between changes in the terrestrial environment (from pollen, and sediment physical properties) with those in the aquatic environment (from diatom, macrofossil, zooplankton and Pediastrum data) since the introduction of agriculture c. 6000 years ago. The lake was relatively insensitive to catchment disturbance during the Neolithic (3870-1700 BC) and Early Bronze Age (1700-1000 BC) periods but was dramatically impacted by environmental changes associated with a major deforestation phase at the transition from the Late Bronze Age (1000-500 BC) to the Pre-Roman Iron Age (500 BC-AD 0). A major eutrophication of the lake took place as a result of a changing agricultural system and also the retting of flax and hemp during the Mediaeval period (AD 1050-1536). Analyses of the data sets representing the terrestrial and aquatic environments demonstrate that human activities over thousands of years have not only impacted and shaped the Danish landscape but have also played a major role in lake development.

Original languageEnglish
Pages (from-to)1152-1162
Number of pages11
JournalHolocene
Volume15
Issue number8
DOIs
Publication statusPublished - 1 Dec 2005

Keywords

  • Dallund Sø
  • Denmark
  • Eutrophication
  • Holocene
  • Human impact
  • Lake development
  • Land use
  • Palaeoecology

Programme Area

  • Programme Area 5: Nature and Climate

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