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A multiproxy macrofossil record of Eemian palaeoenvironments from Klaksvík, the Faroe Islands

Published on Jan 1, 2018in Boreas3.53
· DOI :10.1111/bor.12254
Ole Bennike38
Estimated H-index: 38
(Geological Survey of Denmark and Greenland),
Lars Hedenäs29
Estimated H-index: 29
(Swedish Museum of Natural History)
+ 1 AuthorsPeter Wiberg-Larsen14
Estimated H-index: 14
(AU: Aarhus University)
Abstract
Studies of interglacial successions are critical to our understanding of the environmental history of an area. Analyses of macrofossil remains of plants and invertebrates from Eemian sediments exposed in a coastal cliff section at Borðoyarvik near Klaksvik, Bordoy, northeastern Faroe Islands, indicate that the sediments accumulated in a coastal lagoon. The fossil flora comprises tree birch Betula sect. Albae and we suggest that birch forests were found locally at sheltered sites in the area. Tree birch also occurred on the islands during the mid-Holocene. The only other woody plant recovered from the Eemian deposit is the dwarf-shrub Empetrum nigrum, which is common on the islands today. Remains of herbaceous plants are rare but include Viola, Ajuga, Myosotis, Urtica dioica and Ranunculus. The bryophyte flora is species-rich and most of the fragments belong either to stream species or to species of humid or wet habitats. The fossil flora and fauna also comprise a number of freshwater species that probably lived in an oligotrophic lake and in streams in the catchment of the lagoon. The climate during deposition of the lagoonal sediments was similar to the Holocene oceanic climate of the Faroe Islands. The study adds to our understanding of Eemian environments in the North Atlantic region and helps to fill a knowledge gap about the history of the flora and fauna of the Faroe Islands, which is of biogeographical importance.
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  • Citations (2)
References21
Newest
#1Kurt Lambeck ('ENS Paris': École Normale Supérieure)H-Index: 80
#2Hélène Rouby ('ENS Paris': École Normale Supérieure)H-Index: 3
Last.Malcolm Sambridge (ANU: Australian National University)H-Index: 47
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#1Andrea Dutton (UF: University of Florida)H-Index: 15
#2Kurt Lambeck ('ENS Paris': École Normale Supérieure)H-Index: 80
#1Kurt Lambeck ('ENS Paris': École Normale Supérieure)H-Index: 80
#2Anthony W. Purcell (ANU: Australian National University)H-Index: 59
Last.Andrea Dutton (UF: University of Florida)H-Index: 15
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