Correlation and synchronisation of Lateglacial continental sequences in northern central Europe based on annually laminated lacustrine sediments

Litt, Thomas; Brauer, Achim; Goslar, Tomasz; Merkt, Josef; Bałaga, Krystyna; Müller, Helmut; Ralska‐Jasiewiczowa, Magdalena; Stebich, Martina; Negendank, Jörg F. W.

doi:10.1016/s0277-3791(00)00149-9

Cited by 290 publications

(211 citation statements)

References 34 publications

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“…The younger part of zone PLC-3 chronologically correspond approximately to the pronounced cooling of the YD (12,650-11,500 cal yr BP, see Ammann et al, 2000), which had strong effects on vegetation in the southern side of the Alps and elsewhere in Europe (e.g. Lotter, 1999;Litt et al, 2001;Finsinger et al, 2006). Other investigations from the southern side of the Alps suggest that this period can be subdivided into three parts (Lago di Annone, , but in our pollen series of PLC only one major phase is clearly detectable, i.e.…”

Section: Article In Pressmentioning

confidence: 99%

Interactions between climate and vegetation during the Lateglacial period as recorded by lake and mire sediment archives in Northern Italy and Southern Switzerland

Vescovi

Ravazzi

Arpenti

et al. 2007

Quaternary Science Reviews

153

139

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We reconstruct the vegetational history of the southern side of the Alps at 18,000-10,000 cal yr BP using previous and new AMS-dated stratigraphic records of pollen, stomata, and macrofossils. To address potential effects of climatic change on vegetation, we compare our results with independent paleoclimatic series (e.g. isotope and chironomid records from the Alps and the Alpine forelands). The period before 16,000 cal yr BP is documented only at the lowland sites. The previous studies used for comparison with our new Palughetto record, however, shows that Alpine deglaciation must have started before 18,000-17,500 cal yr BP south of the Alps and that deglaciated sites were colonized by open woods and shrublands (Juniperus, tree Betula, Larix, Pinus cembra) at ca 17,500 cal yr BP. The vegetational history of a new site (Palughetto, 1040 m a.s.l.) is consistent with that of previous investigations in the study region. Our results show three conspicuous vegetational shifts delimited by statistically significant pollen zones, at ca 14,800-14,400, 13,300-12,800 and 11,600-11,200 cal yr BP. At sites situated above 1000 m a.s.l. (e.g. Palughetto, Pian di Gembro) forests expanded in alpine environments at ca 14,500 cal yr BP (onset of Bølling period, GI-1 in the Greenland ice record). At the same time, rather closed treeline communities of the lowlands were replaced by dense stands of Pinus sylvestris and Betula. These early forests and shrublands consisted of Larix, P. cembra, Juniperus, P. sylvestris, Pinus mugo, and Betula, and had become established at ca 16,000 cal yr BP, probably in response to a temperature increase. If combined with other records from the Southern Alps, our data suggest that treeline ascended by ca 800-1000 m in a few centuries at most, probably as a consequence of climatic warming at the beginning of the Bølling period. At 13,100-12,800 cal yr BP the onset of a long-lasting decline of P. sylvestris was accompanied by the expansion of Quercus and other thermophilous tree taxa below ca 600 m a.s.l. This vegetational change was probably induced by a shift to warmer climatic conditions before the onset of the Younger Dryas, as indicated by independent paleoclimatic records. Only a few centuries later, at ca 12,700-12,500 cal yr BP, an expansion of herbaceous taxa occurred in the lowlands as well as at higher altitudes, documenting an opening of forested habitats. This change coincided with the beginning of the Younger Dryas cooling (GS-1), which according to the paleoclimatic series (e.g. oxygen isotope series), started at 12,700-12,600 cal yr BP and lasted for about 1000 years. Environments south of the Alps responded markedly to climatic warming at the onset of the Holocene (11,600-11,500 cal yr BP). Thermophilous trees that had declined during the Younger Dryas re-expanded very rapidly in the lowlands and reached the high altitude sites below ca 1500 m a.s.l. within a few centuries at most. Our study implies that the synchronous vegetational changes observed over wide areas were probabl...

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Section: Article In Pressmentioning

confidence: 99%

Interactions between climate and vegetation during the Lateglacial period as recorded by lake and mire sediment archives in Northern Italy and Southern Switzerland

Vescovi

Ravazzi

Arpenti

et al. 2007

Quaternary Science Reviews

153

139

View full text Add to dashboard Cite

show abstract

“…8 and 9) fol lows the biostratigraphic di vi sion of the Late Gla cial and the Ho lo cene by Mangerud et al (1974), cal i brated by Walanus and Nalepka (2010). The chronostratigraphy follows that pro posed by Litt et al (2001) for the Late Gla cial, and by Starkel et al (2013) for the Early Ho lo cene.…”

Section: Resultsmentioning

confidence: 90%

“…Pre-AllerÝd (be fore 13,350 cal BP - Litt et al, 2001) Pre-AllerÝd sed i ments, pres ent as laminae of grey or ganic silts (sev eral centi metres thick), were found at the Gronowo site (zones G I -1 and G II -1, and basal part of pro file GV, which is devoid of pol len grains; Ap pen dix 1, Figs. 4-6 and 8C).…”

Section: Resultsmentioning

confidence: 99%

Asynchronous development of two Late Glacial lake basins near the Drwęca ice-marginal valley (N Poland)

Gamrat

Błaszkiewicz²,

Andrzejewski

et al. 2017

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“…This is substantiated by 13 C/ 12 C values around À28% which is at the lower end for C 3 plants in midlatitudes of the northern hemisphere ( Figure 3) and carbon isotopic signatures of terrestrial litter from HZM [Lücke et al, 2003]. Pollen data for the Pleniglacial from HZM and MFM indicate that the terrigenous OM is derived from grasses and sedges that grew in a tundra-like vegetation [Litt and Stebich, 1999;Litt et al, 2001]. Lipid biomarker distributions (long chain n-alkanes) from MFM also indicate a significant contribution of land plant derived OM with a dominance of the n-C 31 alkane over the homologues (Figure 8c).…”

Section: Organic Matter Sourcesmentioning

confidence: 87%

“…The sediments of both maar lakes have been intensively studied in the recent past and yielded valuable paleoclimatic data. For instance, varve thickness, micro-facies analysis and palynological data have been used to assess past environmental conditions [Brauer et al, 1999a;Litt et al, 2001Litt et al, , 2003. Anthropogenic influences and trophic status of the Eifel maar lakes have been monitored by studying variations of several chemical elements as well as diatom records [Schettler and Romer, 1998;Schettler et al, 1999;Baier et al, 2004].…”

Section: Introductionmentioning

confidence: 99%

Late Quaternary environmental and climatic changes in central Europe as inferred from the composition of organic matter in annually laminated maar lake sediments

Fuhrmann

Fischer

Lücke

et al. 2004

Geochem Geophys Geosyst

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[1] Geochemical (elemental analysis, bulk d 13 C TOC , thermal degradation techniques, molecular analysis of n-alkanes) and microscopic investigations (maceral analysis, vitrinite reflectance) were performed (1) to characterize the organic matter (OM) in sediments from two maar lakes in the Westeifel volcanic field, Germany, and (2) to discuss paleoenvironmental processes which have controlled the accumulation and preservation of OM. The annually laminated sediments show a wide range of organic carbon contents between 0.3 and 21.4% TOC and Hydrogen Index values between 80 and 501 mg HC/g TOC. Welldeveloped laminations mirror suboxic to anoxic bottom waters. Diagnostic compounds in the pyrolysates and microscopic analysis permit discrimination between the principal OM sources, and their variations over time provide important evidence for the reconstruction of the environmental histories of the lakes and their watershed. The significance of terrigenous OM is reflected by the occurrence of methoxyphenols in the insoluble as well as mid-and long-chain n-alkanes in the soluble OM which are indicative of land plant or macrophyte input to the lakes. The relative abundance of certain homologues together with the amount of terrigenous macerals can be used to show differences in higher plant input and vegetation changes through time. During the Pleniglacial and Younger Dryas period, high-reflecting reworked OM was introduced by soil erosion in an environment with relatively open vegetation. The alkylphenols in the pyrolysates originate partly from the microbial reworking of proteinaceous tyrosine moieties and/or reflect a direct contribution from cyanobacteria. We assume that variations in the carbon isotopic composition of OM are mainly due to changes in the lake's primary productivity with the exception of the Pleniglacial. Various forms of land use are reflected by increasing amounts of terrigenous particles as well as chemical plant markers from 500 varve years B.P. until present. The organic geochemical and microscopic data G 3

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Correlation and synchronisation of Lateglacial continental sequences in northern central Europe based on annually laminated lacustrine sediments

Cited by 290 publications

References 34 publications

Interactions between climate and vegetation during the Lateglacial period as recorded by lake and mire sediment archives in Northern Italy and Southern Switzerland

Interactions between climate and vegetation during the Lateglacial period as recorded by lake and mire sediment archives in Northern Italy and Southern Switzerland

Asynchronous development of two Late Glacial lake basins near the Drwęca ice-marginal valley (N Poland)

Late Quaternary environmental and climatic changes in central Europe as inferred from the composition of organic matter in annually laminated maar lake sediments

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