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- Title
The Chironomidae of Gróthúsvatn, Sandoy, Faroe Islands: climatic and lakephosphorus reconstructions, and the impact of human settlement.
- Authors
Gathorne-Hardy, F. J.; Lawson, I. T.; Church, M. J.; Brooks, S. J.; Buckland, P. C.; Edwards, K. J.
- Abstract
Chironomids were examined as part of a multiproxy palaeolimnological study of Gróthúsvatn, Sandoy, Faroe Islands. A total of 37 taxa was found in the top 1 m of the core. Chironomid-inferred total phosphorus and temperature reconstructions indicate that after landnám (the Norse settlement period) total phosphoruslevels rose slightly, then peaked at a temperature minimum (interpreted as the 'Little Ice Age'). Total phosphorus levels subsequently fell to only slightly above pre-settlement levels at the sediment surface. Little indication of increased erosion in the catchment after landnám was found, and it is likely that the impacts of human settlement on Gróthúsvatn and its catchment were slight. We therefore propose that the temperature decrease caused the increase in the lake's productivity.
- Subjects
FAROE Islands; CHIRONOMIDAE; HUMAN settlements; PHOSPHORUS; PLEISTOCENE stratigraphic geology; WATER temperature; EUTROPHICATION; PALYNOLOGY; AQUATIC biodiversity
- Publication
Holocene, 2007, Vol 17, Issue 8, p1259
- ISSN
0959-6836
- Publication type
Article
- DOI
10.1177/0959683607085133