South Swedish bog pines as indicators of Mid-Holocene climate variability

Edvardsson, Johannes; Leuschner, Hanns Hubert; Linderson, Hans; Linderholm, Hans W.; Hammarlund, Dan

doi:10.1016/j.dendro.2011.02.003

Cited by 45 publications

(48 citation statements)

References 44 publications

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“…These studies explicitly demonstrate that there were periods in the past when large trees (mainly pines and oaks) developed in peatlands, either in the transition stage between fen and raised bog (Eckstein et al 2009), or in the bog stage of peatland development, i.e. in the Sphagnum peat layer (Edvardsson et al 2012). These studies predominantly link the phases of tree cover establishment in peatlands with optimal regional climatic conditions, e.g., low precipitation and/or elevated temperatures, which lead to the lowering of the groundwater table and more favourable conditions for tree cover development.…”

Section: Introductionmentioning

confidence: 85%

“…Palaeoecological studies of subfossil trees preserved in peat also indicate impact of climate change on tree cover in mires (e.g., Eckstein et al 2009;Moir et al 2010;Edvardsson et al 2012). These studies explicitly demonstrate that there were periods in the past when large trees (mainly pines and oaks) developed in peatlands, either in the transition stage between fen and raised bog (Eckstein et al 2009), or in the bog stage of peatland development, i.e.…”

Section: Introductionmentioning

confidence: 90%

“…3B) study areas. This can be explained by the climate hypothesis in palaeoecological studies on bog trees (Eckstein et al 2009;Edvardsson et al 2012), where historical Holocene treecovered phases were related to climate variability and regional wetness.…”

Section: Scots Pine Colonization In Natural and Drained Bogs In Latviamentioning

confidence: 99%

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The colonization history of Scots pine (Pinus sylvestris) in pristine and drained raised bogs in Latvia

Čugunovs

Nikodemus²,

Dauškane³

et al. 2016

EEB

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In this study, we determined the spatio-temporal patterns of Scots pine (Pinus sylvestris L.) colonization in a drained and an undrained raised bog in Latvia, in relation to climate data and drainage history. The age of trees was estimated and mapped. In the drained mire, tree groups with age 20 to 60 years covered an extensive area, and the time of colonization corresponded to a period of low precipitation and bog drainage. In the undrained mire, the age of Scots pine was mostly 30 to 50 years and the peak colonization likely occurred when the ground water level was deeper in a period of low precipitation. Thus, the evidence suggests that drainage is not the only factor driving the development of Scots pine stands in bogs in Latvia. Our results show that the impacts of other factors, such as climate, should also be considered in ecosystem restoration and management plans.

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Section: Introductionmentioning

confidence: 85%

Section: Introductionmentioning

confidence: 90%

See 1 more Smart Citation

The colonization history of Scots pine (Pinus sylvestris) in pristine and drained raised bogs in Latvia

Čugunovs

Nikodemus²,

Dauškane³

et al. 2016

EEB

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“…Similarly to Vaupell, many of these studies concentrate on the growth of the bog pines in relation to past climate variability (Leuschner et al, 2007;Eckstein et al, 2009;Moir et al, 2010;Edvardsson et al, 2012). Some of the megafossil studies have likewise interpreted the growth patterns and the shapes of the tree-ring curves in the context of the environmental changes through time (Spurk et al, 2002;Helama et al, 2005;Schaub et al, 2008).…”

Section: Legacymentioning

confidence: 99%

Christian Theodor Vaupell, a Danish 19th century naturalist and a pioneering developer of the Quaternary geoscience

Nielsen

Helama²

2012

Hist. Geo Space. Sci.

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Abstract. Christian Theodor Vaupell (1821-1862) was a Danish scholar with pioneering investigations particularly on the late Quaternary development of bog forests, but also microscopy of plant anatomy and vegetative reproduction. His studies contributed to the early scientific thinking of the Quaternary environmental changes. Before his academic efforts, he had already survived the war between Prussia and Denmark albeit he became severely wounded and his left arm was amputated. The drama of his academic efforts, on the other hand, lies in the more or less suspicious dispute of his first doctoral thesis and his dismissal from the academic world during the following years. At the same time, he earned praise for his first thesis (never accepted as thesis but published as a regular book) from abroad; he was also able to attract private foundations for financial support of his scientific work. Following the enthusiasm of his time, Vaupell became attracted to the pine megafossils known to have been preserved in the bogs in north-west Europe. The megafossils led him to study not only the life systems of the ancient and modern bog forests but also their associations with Earth processes. As an interesting detail of his research, Vaupell made compound interpretations on the occurrence of megafossil stumps and their tree-ring growth patterns. In the course of the 20th century, Vaupell's studies have been cited as a general reference of post-glacial vegetation change and plant succession rather than clearly pioneering investigations of palaeoecology, an angle that we would like put into a contrasting perspective. To do so, we provide a brief portrait of Christian Vaupell and his research career. In conclusion, we wish to emphasize the comprehensiveness of Vaupell's views on the late Quaternary vegetation changes and the role of plant succession in that development. School days, early studies and military serviceChristian Vaupell was born in Kolding, Denmark, 14 October 1821, the son of Lieutenant colonel Johan Wilhelm Ludvig Vaupell and wife Margrethe Dorthea Karberg. Christian Vaupell attended the local school of which he remembered with gratitude. Seeds of inspiration were sown by those school teachers that were enthusiastic and keen to educate the pupils. Bryndum taught in history and geography, and Borgen guided the pupils out to botanize. During vacations, Christian Vaupell contributed with specimens to L. Hansen's herbarium in the duchies of Holstein and Schleswig.By completing examen atrium in 1841, Vaupell qualified for admission to the university, where he became deeply interested in the societies of the antiquity and their relationship to the modern society, as well as theology. Vaupell took the examen philosophicum, and later received the academic degree candidatus theologiae, from the University of Copenhagen in 1847. Shortly after, he continued with botany and obtained insights into the other natural sciences. He attended the lectures by Prof. Johan Georg Forchhammer about the geological periods and their flor...

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“…Alternatively, the replication curves of tree-ring chronologies can be used to portray temporal variations in depositional histories of the trees comprising the chronologies. Abundant materials of subfossil pines have previously been collected from boreal peatlands (Edvardsson et al, 2012a(Edvardsson et al, , 2012b(Edvardsson et al, , 2014a(Edvardsson et al, , 2014b and lake sediments (Gunnarson, 2001(Gunnarson, , 2008Gunnarson et al, 2003). Such specimens are preserved due to acidic anoxic conditions in their sedimentary environment (Greenwood, 1991) and can be used to illustrate the arboreal depositional histories.…”

Section: Introductionmentioning

confidence: 99%

Rereading a tree-ring database to illustrate depositional histories of subfossil trees

Helama

Luoto

Nevalainen

et al. 2017

Palaeontologia Electronica

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South Swedish bog pines as indicators of Mid-Holocene climate variability

Cited by 45 publications

References 44 publications

The colonization history of Scots pine (Pinus sylvestris) in pristine and drained raised bogs in Latvia

The colonization history of Scots pine (Pinus sylvestris) in pristine and drained raised bogs in Latvia

Christian Theodor Vaupell, a Danish 19th century naturalist and a pioneering developer of the Quaternary geoscience

Rereading a tree-ring database to illustrate depositional histories of subfossil trees

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