Holocene climatic change and tree-line response in Leirdalen, central Jotunheimen, south central Norway

Barnett, Catherine; Dumayne-Peaty, Lisa; Matthews, John A.

doi:10.1016/s0034-6667(01)00081-1

Cited by 59 publications

(48 citation statements)

References 29 publications

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“…en, 1988;Seierstad et al, 2002). Quantitative reconstructions indicate that temperatures were up to 2.0 C higher than today (Barnekow, 2000; Barnett et al, 2001;Birks, 2001, 2002;Ros! en et al, 2001).…”

Section: Article In Pressmentioning

confidence: 99%

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The temperature of Europe during the Holocene reconstructed from pollen data

Davis

Brewer

Stevenson

et al. 2003

Quaternary Science Reviews

909

684

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Section: Article In Pressmentioning

confidence: 99%

“…Glaciers expanded (Karl! en, 1988;Nesje et al, 2001;Seierstad et al, 2002) and tree-lines retreated (Dahl and Nesje, 1996;Barnekow, 2000;Barnett et al, 2001). This pattern of late-Holocene cooling is repeated in our own data, more especially in summer temperatures, while winter temperatures continued to rise in the NW sector.…”

Section: Article In Pressmentioning

confidence: 99%

The temperature of Europe during the Holocene reconstructed from pollen data

Davis

Brewer

Stevenson

et al. 2003

Quaternary Science Reviews

909

684

View full text Add to dashboard Cite

“…The 'banded' sediments gave a unique possibility to sample at close intervals and to obtain a fine temporal resolution, thereby detecting fine-scale vegetation changes resulting either from changes in temperature or precipitation, or a combination of both. Lately, focus has been on changes in the early Holocene climate (Barnett et al, 2001;Birks, 2001, 2002;Seppä et al, 2002). During the period of glacial advances c. 8200 cal.…”

Section: Pollen Analysismentioning

confidence: 99%

“…During the period of glacial advances c. 8200 cal. yr BP (eg, Matthews et al, 2000, Nesje and) palynological data suggest that the event may have resulted in a lower Pinus sylvestris tree-limit (Moe, 1979;Barnett et al, 2001), whereas from eastern Jotunheimen, Gunnarsdottir (1996) found no evidence for vegetation change. In northern Finland Seppä and Birks (2001) …”

Section: Pollen Analysismentioning

confidence: 99%

Holocene palaeoclimate reconstructions at Vanndalsvatnet, western Norway, with particular reference to the 8200 cal. yr BP event

et al. 2006

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Analyses of organic content, magnetic susceptibility, grain size and pollen in sediments from the proglacial lake Vanndalsvatnet in western Norway provide a high-resolution terrestrial record and pollenbased quantitative estimates of mean July and January temperatures and annual precipitation across the Â/8200 cal. yr BP event. Glaciers in the catchment melted away at approximately 8600 cal. yr BP.

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“…How-* unidentified lkhJens ever, the apparent lack of any continuous Holocene trend in M Empetrum nigrum (leaves) the chironomid-based reconstruction of mean July air temperature suggests that other dynamics of the growth-season climate U Betula nana (bulk) also affected the persistent tree-limit retraction and the associated changes in species composition (cf. Barnett et aL, 2001 (Kullman, 1993b;Barnekow, 1999 (Holmgren, 2000). The chironomid fauna around 10000 cal.…”

Section: * Empetum Nigrum (Wod)mentioning

confidence: 99%

Palaeolimnological and sedimentary responses to Holocene forest retreat in the Scandes Mountains, west-central Sweden

et al. 2004

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A suite of analyses was performed on sediments accumulated during the last 10 700 years in Lake Spaime, a small, hydrologically open water body in the modem alpine tundra zone of the Scandes Mountains, west-central Sweden. The study aimed to evaluate (1) the nature of climate changes that forced the late-Holocene lowering of altitudinal tree limit in the region, the timing of which is known from prior studies based on radiocarbon dating of subfossil wood, and (2) the impact of these vegetational changes on an aquatic ecosystem. Arboreal pollen and plant macrofossil data confirm the persistence of trees in the lake catchment at least from c. 9700 cal. BP until c. 3700 cal. BP. Although growing-season temperature is commonly believed to be the dominant factor driving boreal forest tree-limit variations in the region, a chironomid-based reconstruction of mean July air temperature suggests that local deforestation during the late Holocene was not accompanied by a significant cooling. The tree-limit retreat was more likely caused by increasing effective moisture and declining length of the growing season. The ecohydrological response of Lake Spaime to this combination of climate and vegetational changes included a decline in primary productivity, as indicated by an abrupt decrease in sediment organic matter content, while associated increases in organic 613C, 615N and C/N point to diminished fluxes and altered balance of catchmentderived nutrients following deforestation. The decline in aquatic productivity is also marked by a distinct change in the mineral magnetic properties, from a high magnetic concentration assemblage dominated by fine-grained magnetite of biogenic origin to one dominated by background levels of coarse-grained detrital magnetite.

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Holocene climatic change and tree-line response in Leirdalen, central Jotunheimen, south central Norway

Cited by 59 publications

References 29 publications

The temperature of Europe during the Holocene reconstructed from pollen data

The temperature of Europe during the Holocene reconstructed from pollen data

Holocene palaeoclimate reconstructions at Vanndalsvatnet, western Norway, with particular reference to the 8200 cal. yr BP event

Palaeolimnological and sedimentary responses to Holocene forest retreat in the Scandes Mountains, west-central Sweden

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