The dynamics of chironomid assemblages and vegetation during the Late Quaternary at laguna Facuil, Chonos Archipelago, south Chile

Julieta Massaferro, Stephen J Brooks, Simon Haberle, Simon Haberle

    Research output: Contribution to journalArticle

    Abstract

    We compare high-resolution pollen and chironomid records from the last 15,000 yr in Laguna Facil, southern Chile. Major vegetation and chironomid changes are recorded between ca 14,900 and 14,700 cal. yr BP. During the Lateglacial, changes in the chironomid stratigraphy lag behind changes in the pollen stratigraphy suggesting that the chironomids are responding to changes in the tree canopy or in soil chemistry brought about by vegetational development. At about 7200 cal. yr BP there is a change in the chironomid stratigraphy in advance of changes in the vegetation. This suggests that the response is to regional climatic change. The relatively close correlation of the chironomid and pollen stratigraphies with changes in charcoal concentrations also implicates the importance of fire and/or vulcanism in influencing the dynamics of forest and limnological systems. There is no clear evidence of cooling during the Younger Dryas chronozone in Laguna Facil.
    Original languageEnglish
    Pages (from-to)2510-2522
    JournalQuaternary Science Reviews
    Volume24
    DOIs
    Publication statusPublished - 2005

    Fingerprint Dive into the research topics of 'The dynamics of chironomid assemblages and vegetation during the Late Quaternary at laguna Facuil, Chonos Archipelago, south Chile'. Together they form a unique fingerprint.

    Cite this