Browsing Háskóli Íslands by Author "Rouillard, Alexandra"

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A complete Holocene lake sediment ancient DNA record reveals long-standing high Arctic plant diversity hotspot in northern Svalbard

Voldstad, Linn H.; Alsos, Inger G.; Farnsworth, Wesley; Heintzman, Peter D.; Håkansson, Lena; Kjellman, Sofia E.; Rouillard, Alexandra; Schomacker, Anders; Eidesen, Pernille B. (Elsevier BV, 2020-04-15)

Arctic hotspots, local areas of high biodiversity, are potential key sites for conservation of Arctic biodiversity. However, there is a need for improved understanding of their long-term resilience. The Arctic hotspot of Ringhorndalen has the highest ...
Postglacial relative sea level change and glacier activity in the early and late Holocene: Wahlenbergfjorden, Nordaustlandet, Svalbard

Schomacker, Anders; Farnsworth, Wesley; Ingolfsson, Olafur; Allaart, Lis; Håkansson, Lena; Retelle, Michael; Siggaard-Andersen, Marie-Louise; Korsgaard, Niels Jákup; Rouillard, Alexandra; Kjellman, Sofia E. (Springer Science and Business Media LLC, 2019-05-01)

Sediment cores from Kløverbladvatna, a threshold lake in Wahlenbergfjorden, Nordaustlandet, Svalbard were used to reconstruct Holocene glacier fluctuations. Meltwater from Etonbreen spills over a threshold to the lake, only when the glacier is significantly ...

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