The influence of refugial population on Lateglacial and early Holocene vegetational changes in Romania

Feurdean, Angelica; Wohlfarth, Barbara; Björkman, Leif; Tanţău, Ioan; Bennike, Ole; Willis, Katherine J.; Fărcaş, Sorina; Robertsson, A.-M.

doi:10.1016/j.revpalbo.2006.12.004

Cited by 91 publications

(91 citation statements)

References 53 publications

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“…Lupsa 1968;Pop et al 1971), other radiocarbon-dated Late Glacial profiles are not available. The lakeshore sediment sequence of Taul Zanoguti shows very slow sediment accumulation during the Late Glacial (Feurdean et al 2007). It seems that 20 cm sediment represents nearly 4,500 years, between 14,800 and 11,500 cal yr BP, and displays very similar pollen stratigraphy to TDB-1 and Gales-3 with a marked Artemisia increase during the YD reversal.…”

Section: Late Glacial and Holocene Climatic Inferences And Their Regimentioning

confidence: 90%

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Radiocarbon chronology of glacial lake sediments in the Retezat Mts (South Carpathians, Romania): a window to Late Glacial and Holocene climatic and paleoenvironmental changes

Magyari

Braun

Buczkó

et al. 2009

Central European Geology

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As a first piece in a series of Late Quaternary paleoecological studies on the glacial lake sediments of the Retezat Mountains, this study discusses radiocarbon chronology and sediment accumulation rate changes in two sediment profiles in relation to lithostratigraphy, organic content, biogenic silica and major pollenstratigraphic changes. A total of 25 radiocarbon dates were obtained from sediments of two lakes, Lake Brazi (TDB-1; 1740 m a.s.l.) and Lake Gales (Gales-3; 1990 m a.s.l.). Age-depth modeling was performed on TDB-1 using calibrated age ranges from BCal and various curve-fitting methods in psimpoll. Our results suggest that sediment accumulation began between 15,124-15,755 cal yr BP in both lakes and was continuous throughout the Late Glacial and Holocene. We demonstrated that local ecosystem productivity showed delayed response to Late Glacial and Early Holocene climatic changes in the subalpine and alpine zones most likely attributable to the cooling effect of remnant glaciers and meltwater input. However, regional vegetation response was without time lag and indicated forestation and warming at 14,450 and 11,550 cal yr BP, and cooling at ca. 12,800 cal yr BP. In the Holocene one major shift was detected, starting around 6300 cal yr BP and culminating around 5200 cal yr BP. The various proxies suggested summer cooling, shorter duration of the winter ice-cover season and/or increasing size of the water body, probably in response to increasing available moisture.Addresses: E. K.

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Section: Late Glacial and Holocene Climatic Inferences And Their Regimentioning

confidence: 90%

“…; Farcas et al 1999;Feurdean et al 2007). Although Pop and his colleagues studied several peat bogs in the Retezat for pollen (e.g.…”

Section: Late Glacial and Holocene Climatic Inferences And Their Regimentioning

confidence: 97%

Radiocarbon chronology of glacial lake sediments in the Retezat Mts (South Carpathians, Romania): a window to Late Glacial and Holocene climatic and paleoenvironmental changes

Magyari

Braun

Buczkó

et al. 2009

Central European Geology

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“…Other deciduous trees represented more rarely include Alnus, Carpinus betulus, Populus, Ulmus, and Fagus sylvatica (see Table 2). In addition to these remarkable macroscopic charcoal assemblages, there is an increasing number of LGM sites where pollen and/or macrofossils indicate local tree presence, for example in Moravia (Rybnícková and Rybnícek 1991), Hungary , and Romania (Feurdean et al 2007) (see Kuneš et al (in press) for a detailed synthesis). There is, as far as we know, no evidence for the LGM occurrence of trees in northern Europe, although some trees appear to have colonised certain areas in the central Swedish mountains in the Weichselian late-glacial at altitudes higher than the modern tree-limit (Kullman 2001).…”

Section: What Is Known About the Ranges Of Trees In Europe During Thementioning

confidence: 99%

Alpines, trees, and refugia in Europe

Birks

Willis

2008

Plant Ecology & Diversity

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329

281

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Refugia were critically important for species survival in both glacial and interglacial stages of the Quaternary. The classical view of glacial stages is that alpine and arctic plants were widespread in the lowlands of central Europe and around the margins of the continental and alpine ice-sheets, whereas trees were restricted to localised refugial areas in southern Europe and the Mediterranean basin. New palaeobotanical evidence in Europe suggests, however, that this classical view is incomplete and that tree distributional ranges during the glacial stages were more extensive and included many local areas of small populations in central and eastern Europe growing in so-called 'cryptic' refugia. We argue that this concept of 'cryptic' refugia is also applicable to arctic and alpine plants during temperate interglacial stages where small localised populations grow in naturally open habitats that are not beyond or above the forest limit. Determination of the whereabouts of these cold-and warm-stage 'cryptic' refugia is very important in our understanding of the spatial patterns of present day genetic diversity and the possible rates of spread of trees in response to future climate change.

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“…In the western Southern Carpathians (Retezat Mountains), a sharp increase in Pinus and some Betula marked the transition to the Lateglacial interstadial (Feurdean et al, 2007(Feurdean et al, , 2014. This rapid and widespread reaction of Pinus and Betula is comparable and synchronous in time with the Rila Mountains.…”

Section: Lateglacial Vegetation Dynamicsmentioning

confidence: 98%

Lateglacial to Holocene vegetation development in the Central Rila Mountains, Bulgaria

2015

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The vegetation history of the Central Rila Mountains for the last 14,000 years was reconstructed by means of pollen analysis and radiocarbon chronology of a core retrieved from Lake Manastirsko-2 (2326 m). The Lateglacial landscape was dominated by open herb vegetation composed of Artemisia, Chenopodiaceae, Poaceae, and other cold-resistant herbs (14,000-11,700 cal. yr BP). Stands of Pinus, Betula, and Juniperus-Ephedra shrubland partly enlarged during the Lateglacial interstadial. Pioneer forests of Betula with Pinus and Juniperus occupied barren soils in the early Holocene (11,700-7900 cal. yr BP), while mixed oak forests with Tilia, Ulmus, Acer, and later on Corylus spread at lower elevations. A coniferous forest belt with Pinus sylvestris, Pinus peuce, and Abies developed after 7900 cal. yr BP in the conditions of milder winters, cooler summers, and increase in precipitation. The late Holocene dynamic vegetation changes were associated with the invasion of Picea abies after 3400 cal. yr BP, while Fagus communities slightly enlarged in the river valleys. Indications of human activities are visible in the pollen diagram since the 'Late Bronze Age' (3400-3200 cal. yr BP). The vegetation development in the study area followed a similar pattern when compared with palynological and macrofossil records from other parts of the Rila and the adjacent Northern Pirin Mountains. On a larger geographical scale, the postglacial vegetation history of the Rila Mountains displays common features with sites in the Romanian Carpathians, whereas the differences observed are result of the location of tree refugia, competing abilities, climate changes, and human activities.

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The influence of refugial population on Lateglacial and early Holocene vegetational changes in Romania

Cited by 91 publications

References 53 publications

Radiocarbon chronology of glacial lake sediments in the Retezat Mts (South Carpathians, Romania): a window to Late Glacial and Holocene climatic and paleoenvironmental changes

Radiocarbon chronology of glacial lake sediments in the Retezat Mts (South Carpathians, Romania): a window to Late Glacial and Holocene climatic and paleoenvironmental changes

Alpines, trees, and refugia in Europe

Lateglacial to Holocene vegetation development in the Central Rila Mountains, Bulgaria

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