SwePub
Sök i LIBRIS databas

  Extended search

onr:"swepub:oai:lup.lub.lu.se:fecdfd27-38e0-4aa0-a748-cda89b5db34e"
 

Search: onr:"swepub:oai:lup.lub.lu.se:fecdfd27-38e0-4aa0-a748-cda89b5db34e" > Late quaternary env...

  • 1 of 1
  • Previous record
  • Next record
  •    To hitlist
  • Cusminsky, Gabriela (author)

Late quaternary environmental changes in Patagonia as inferred from lacustrine fossil and extant ostracods

  • Article/chapterEnglish2011

Publisher, publication year, extent ...

  • 2011-05-31
  • Oxford University Press (OUP),2011

Numbers

  • LIBRIS-ID:oai:lup.lub.lu.se:fecdfd27-38e0-4aa0-a748-cda89b5db34e
  • https://lup.lub.lu.se/record/1985615URI
  • https://doi.org/10.1111/j.1095-8312.2011.01650.xDOI

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

Classification

  • Subject category:art swepub-publicationtype
  • Subject category:ref swepub-contenttype

Notes

  • In the present study, we compare modern and Quaternary ostracods from two lacustrine basins: Laguna Cari-Laufquen (41 degrees S) and Lago Cardiel (49 degrees S) in Patagonia. Taxonomic and quantitative analyses along with isotopic and chemical studies of the extant ostracod fauna indicate that distinct ostracod associations can be identified as a function of conductivity. Three ostracod associations can be distinguished: (1) springs, ponds and small creeks, characterized by low conductivity (e. g. 1015 ms cm(-1)); (2) lakes and permanent ponds, characterized by medium conductivity (e. g. 1625 ms cm(-1)) and (3) ephemeral lacustrine environments, generally characterized by higher conductivity (e. g. 16 480 ms cm(-1)) These modern ostracod associations were also identified in older sequences from sediments outcropping in the Laguna Cari-Laufquen current shoreline, as well as in sediment cores from Lago Cardiel. The predominance of Limnocythere rionegroensis Cusminsky & Whatley in the Cari-Laufquen sections suggests the development of a saline and turbid lake during the Late Pleistocene and Early Holocene, and thus higher precipitation at these latitudes. Changes in ostracod abundance and associations have been observed in Lago Cardiel during the last approximately 16 000 calibrated years BP. Conductivity is known to change as a function of the ratio of precipitation to evaporation and a decrease in conductivity from the Late Pleistocene to the Middle Holocene suggests substantial hydrological variations (i. e. increase of the precipitation/ evaporation ratio suggests minor conductivity). These two examples show that ostracods provide an excellent proxy for interpreting palaeoclimatic and palaeoenvironmental changes in Patagonia. (C) 2011 The Linnean Society of London, Biological Journal of the Linnean Society, 2011, 103, 397-408.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Schwalb, Antje (author)
  • Perez, Alejandra P. (author)
  • Pineda, DanielaLund University,Lunds universitet,Biologiska institutionen,Naturvetenskapliga fakulteten,Department of Biology,Faculty of Science(Swepub:lu)extLU-93 (author)
  • Viehberg, Finn (author)
  • Whatley, Robin (author)
  • Markgraf, Vera (author)
  • Gilli, Andrea (author)
  • Ariztegui, Daniel (author)
  • Anselmetti, Flavio S. (author)
  • Biologiska institutionenNaturvetenskapliga fakulteten (creator_code:org_t)

Related titles

  • In:Biological Journal of the Linnean Society: Oxford University Press (OUP)103:2, s. 397-4080024-4066

Internet link

Find in a library

To the university's database

  • 1 of 1
  • Previous record
  • Next record
  •    To hitlist

Kungliga biblioteket hanterar dina personuppgifter i enlighet med EU:s dataskyddsförordning (2018), GDPR. Läs mer om hur det funkar här.
Så här hanterar KB dina uppgifter vid användning av denna tjänst.

 
pil uppåt Close

Copy and save the link in order to return to this view