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Publication Detail
Ostracods and the Holocene palaeolimnology of Lake Qarun, with special reference to past human-environment interactions in the Faiyum (Egypt)
  • Publication Type:
    Journal article
  • Publication Sub Type:
    Article
  • Authors:
    Keatings K, Holmes J, Flower R, Horne D, Whittaker JE, Abu-Zied RH
  • Publisher:
    SPRINGER
  • Publication date:
    01/10/2010
  • Pagination:
    155, 176
  • Journal:
    HYDROBIOLOGIA
  • Volume:
    654
  • Issue:
    1
  • Print ISSN:
    0018-8158
  • Language:
    EN
  • Keywords:
    Ostracoda, Saline lake, Holocene, CYPRIDEIS-TOROSA CRUSTACEA, PALEOENVIRONMENTAL RECONSTRUCTION, MIDDLE EGYPT, MONO-LAKE, ARAL SEA, ECOLOGY, GEOCHEMISTRY, PLEISTOCENE, INDICATORS, SALINITY
  • Addresses:
    Holmes, J
    UCL
    Environm Change Res Ctr
    London
    WC1E 6BT
    England

    Nat Hist Museum
    Dept Zool
    London
    SW7 5BD
    England
Abstract
We present an ostracod record covering the past two millennia from an 8.25-m core taken from Lake Qarun, in the Faiyum Depression of Egypt. The occurrence of ostracod species in the lake is controlled primarily by variations in solute composition, which are in turn related to shifts in catchment land use. At times when the Faiyum Depression supported thriving agriculture, lake water contained Na+-Cl- brine, and Cyprideis torosa dominated the ostracod assemblage. When the Faiyum Depression experienced periods of environmental and economic decline, lake water contained Na+-HCO3 (-) brine, and Limnocythere inopinata dominated. The relative abundance of other ostracod species provides additional information about past conditions in Lake Qarun including salinity and lake level changes. Overall, the ostracod assemblages provide evidence for human influences in the Faiyum, which extend back before instrumental or detailed observational records began.
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