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Johannes Edvardsson

Johannes Edvardsson

Forskare

Johannes Edvardsson

Late-Holocene vegetation dynamics in response to a changing climate and anthropogenic influences – Insights from stratigraphic records and subfossil trees from southeast Lithuania

Författare

  • Johannes Edvardsson
  • Miglė Stančikaitė
  • Yannick Miras
  • Christophe Corona
  • Gražyna Gryguc
  • Laura Gedminienė
  • Jonas Mažeika
  • Markus Stoffel

Summary, in English

To increase our understanding of long-term climate dynamics and its effects on different ecosystems, palaeoclimatic and long-term botanical reconstructions need to be improved, in particular in underutilized geographical regions. In this study, vegetation, (hydro)climate, and land-use changes were documented at two southeast Lithuanian peatland complexes – Čepkeliai and Rieznyčia – for the Late-Holocene period. The documentation was based on a combination of pollen, plant macrofossils, peat stratigraphic records, and subfossil trees. Our results cover the last two millennia and reveal the existence of moist conditions in Southern Lithuania between 300 and 500 CE and from 950 to 1850 CE. Conversely, changes towards warmer and/or dryer conditions have been recorded in 100, 600, and 750 CE, and since the 1850s. Significant differences with other Baltic proxies prevent deriving a complete and precise long-term reconstruction of past hydroclimatic variability at the regional scale. Yet, our results provide an important cornerstone for an improved understanding of regional climate change, i.e. in a region for which only (i) few detailed palaeobotanical studies exist and which has, in addition, been considered as (ii) an ecologically sensitive region at the interface between the temperate and boreal bioclimatic zones.

Avdelning/ar

  • Kvartärgeologi
  • BECC: Biodiversity and Ecosystem services in a Changing Climate

Publiceringsår

2018-04-01

Språk

Engelska

Sidor

91-101

Publikation/Tidskrift/Serie

Quaternary Science Reviews

Volym

185

Dokumenttyp

Artikel i tidskrift

Förlag

Elsevier

Ämne

  • Geology
  • Climate Research

Nyckelord

  • Baltic region
  • Climate change
  • Dendrochronology
  • Palaeobotany
  • Peatland ecosystem
  • Vegetation dynamics

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 0277-3791