Leuschner, Hanns Hubert

[["dc.bibliographiccitation.firstpage","799"],["dc.bibliographiccitation.issue","9"],["dc.bibliographiccitation.journal","Geology"],["dc.bibliographiccitation.lastpage","802"],["dc.bibliographiccitation.volume","43"],["dc.contributor.author","Torbenson, Max C. A."],["dc.contributor.author","Plunkett, Gill"],["dc.contributor.author","Brown, David M."],["dc.contributor.author","Pilcher, Jonathan R."],["dc.contributor.author","Leuschner, Hanns Hubert"],["dc.date.accessioned","2018-11-07T09:52:50Z"],["dc.date.available","2018-11-07T09:52:50Z"],["dc.date.issued","2015"],["dc.description.abstract","The Greenland Ice Core Chronology 2005 (GICC05) and the radiocarbon calibration curve (IntCal) are the foremost time scales used in paleoclimatic and paleoenvironmental studies of the most recent 10 k.y. Due to varying and often insufficient dating resolution, opportunities to test the synchrony of these two influential chronologies are rare. Here we present evidence for a phase of major pine recruitment on Irish bogs at ca.8160 yr B.P. Dendrochronological dating of subfossil trees from three sites reveals synchronicity in germination across the study area, indicative of a regional forcing. The concurrent colonization of pine on peatland is interpreted in terms of drier surface conditions and provides the first substantive proxy data in support of a significant hydroclimatic change in the north of Ireland accompanying the 8.2 ka climate cooling event. The date of pine establishment does not overlap with the GICC05 age range for the event, and possible lags between responses are unlikely to explain the full difference. In light of recent studies highlighting a possible offset in GICC05 and IntCal dates, the Irish pine record supports the notion of ice core dates being too early during the period of study. If the suggested discrepancy in timing is an artifact of chronological error, it is likely to have affected interpretations of previous proxy comparisons and alignments."],["dc.description.sponsorship","German Research Foundation (DFG) [LE 1805, HA 4439]"],["dc.identifier.doi","10.1130/G36914.1"],["dc.identifier.isi","000360017400012"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/36204"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Geological Soc Amer, Inc"],["dc.relation.issn","1943-2682"],["dc.relation.issn","0091-7613"],["dc.title","Asynchrony in key Holocene chronologies: Evidence from Irish bog pines"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","207"],["dc.bibliographiccitation.issue","4"],["dc.bibliographiccitation.journal","Dendrochronologia"],["dc.bibliographiccitation.lastpage","213"],["dc.bibliographiccitation.volume","28"],["dc.contributor.author","Dulamsuren, Choimaa"],["dc.contributor.author","Hauck, Markus"],["dc.contributor.author","Leuschner, Hanns Hubert"],["dc.contributor.author","Leuschner, Christoph"],["dc.date.accessioned","2018-11-07T08:47:31Z"],["dc.date.available","2018-11-07T08:47:31Z"],["dc.date.issued","2010"],["dc.description.abstract","Effects of a gypsy moth attack on the productivity of Larix sibirica on tree-ring width were analyzed in a case study of a mountain site in the western Khentey in the northern Mongolian forest-steppe ecotone. A major aim of the study was to assess whether reduced productivity by gypsy moth herbivory could contribute to fluctuations of the forest edge to the steppe in larch-dominated woodlands. In the year of the infestation, larch trees at the forest edge lost 90% of their needles and latewood formation was strongly reduced. However, earlywood formation was widely completed before the gypsy moth attack and, therefore, total tree-ring width was not below the average of the five years prior to infestation. In the two years following the gypsy moth invasion, annual stem increment was strongly reduced. Trees growing 30-100 m inside the forest showed a much weaker response of tree-ring widths to the gypsy moth infestation consistent with significantly higher defoliation at forest edge than in the forest interior. Old trees exhibited a stronger growth decline than middle-aged trees, indicating higher infestation of dominant, exposed trees, which are thought to be better accessible to the wind-dispersed gypsy moth larvae hatching in the early growing season on the steppe. Under the current climate, occasional growth reductions are thought to be of little effect on the performance of L. sibirica, as fast-growing competitors of other tree species, which are not or hardly affected by gypsy moth, are absent. (C) 2010 Istituto Italiano di Dendrocronologia. Published by Elsevier GmbH. All rights reserved."],["dc.identifier.doi","10.1016/j.dendro.2009.05.007"],["dc.identifier.isi","000283756500001"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/20976"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Elsevier Gmbh, Urban & Fischer Verlag"],["dc.relation.issn","1125-7865"],["dc.title","Gypsy moth-induced growth decline of Larix sibirica in a forest-steppe ecotone"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","81"],["dc.bibliographiccitation.journal","Palaeogeography, Palaeoclimatology, Palaeoecology"],["dc.bibliographiccitation.lastpage","96"],["dc.bibliographiccitation.volume","507"],["dc.contributor.author","Šamonil, Pavel"],["dc.contributor.author","Moravcová, Alice"],["dc.contributor.author","Pokorný, Petr"],["dc.contributor.author","Žáčková, Pavla"],["dc.contributor.author","Kašpar, Jakub"],["dc.contributor.author","Vašíčková, Ivana"],["dc.contributor.author","Daněk, Pavel"],["dc.contributor.author","Novák, Jan"],["dc.contributor.author","Hájková, Petra"],["dc.contributor.author","Adam, Dušan"],["dc.contributor.author","Leuschner, Hanns Hubert"],["dc.date.accessioned","2020-12-10T15:20:39Z"],["dc.date.available","2020-12-10T15:20:39Z"],["dc.date.issued","2018"],["dc.identifier.doi","10.1016/j.palaeo.2018.07.001"],["dc.identifier.issn","0031-0182"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/72752"],["dc.language.iso","en"],["dc.notes.intern","DOI Import GROB-354"],["dc.relation.orgunit","Abteilung Palynologie und Klimadynamik"],["dc.title","The disturbance regime of an Early Holocene swamp forest in the Czech Republic, as revealed by dendroecological, pollen and macrofossil data"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.subtype","original_ja"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","113"],["dc.bibliographiccitation.journal","Acta Oecologica"],["dc.bibliographiccitation.lastpage","121"],["dc.bibliographiccitation.volume","55"],["dc.contributor.author","Khishigjargal, Mookhor"],["dc.contributor.author","Dulamsuren, Choimaa"],["dc.contributor.author","Leuschner, Hanns Hubert"],["dc.contributor.author","Leuschner, Christoph"],["dc.contributor.author","Hauck, Markus"],["dc.date.accessioned","2018-08-08T14:29:14Z"],["dc.date.available","2018-08-08T14:29:14Z"],["dc.date.issued","2014"],["dc.description.abstract","Climate response of tree-ring width and intra-annual wood anomalies were studied in stands of Siberian larch (Larix sibirica) on Mt. Bogd Uul in the forest-steppe ecotone of Mongolia. Climate on Mt. Bogd Uul is characterized by an increase of the annual mean temperature by 1.5 K between 1965 and 2007, the lack of a long-term trend for annual precipitation and, with it, an increase in aridity. Tree-ring width increases with increasing June precipitation of the current year (June) and increasing late summer precipitation of the previous year. In >100-year old trees, also a negative correlation of tree-ring width with the July temperature of the year prior to tree-ring formation was found. Decreasing tree-ring width with increasing snowfall in December can be explained with the protection of the frost-sensitive eggs of gypsy moth by snow cover, which is a major herbivore of larch in Mongolia and causes reduction in the annual stem increment. The most significant change in wood anatomy was the decline of wide latewood, which is attributable to the increase of summer days with a mean temperature > 15 °C and drought periods in summer without precipitation. Increasing summer drought is also thought to have caused the repeated occurrence of missing rings since the 1960s, which were not observed in the late 19th and early 20th centuries."],["dc.identifier.doi","10.1016/j.actao.2013.12.003"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/15232"],["dc.language.iso","en"],["dc.notes.status","final"],["dc.relation.orgunit","Abteilung Palynologie und Klimadynamik"],["dc.relation.orgunit","Abteilung Ökologie & Ökosystemforschung"],["dc.title","Climate effects on inter- and intra-annual larch stemwood anomalies in the Mongolian forest-steppe"],["dc.type","journal_article"],["dc.type.internalPublication","unknown"],["dc.type.subtype","original_ja"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","1005"],["dc.bibliographiccitation.issue","7-8"],["dc.bibliographiccitation.journal","Quaternary Science Reviews"],["dc.bibliographiccitation.lastpage","1016"],["dc.bibliographiccitation.volume","29"],["dc.contributor.author","Buentgen, Ulf"],["dc.contributor.author","Trouet, Valerie"],["dc.contributor.author","Frank, David"],["dc.contributor.author","Leuschner, Hanns Hubert"],["dc.contributor.author","Friedrichs, Dagmar"],["dc.contributor.author","Luterbacher, Juerg"],["dc.contributor.author","Esper, Jan"],["dc.date.accessioned","2018-11-07T08:44:52Z"],["dc.date.available","2018-11-07T08:44:52Z"],["dc.date.issued","2010"],["dc.description.abstract","Past natural and future anthropogenic drought variability has and will impact terrestrial ecosystems, agricultural productivity, socio-economic conditions, and public health on various time-scales. In comparison to reconstructed and projected temperature change, much less is known about variations in the hydrological cycle Here we present 953 living and historical oak (Quercus sp) ring width samples from Central Germany (51-52 degrees N and 9-10 degrees E), that span the AD 996-2005 period and explain similar to 18-70% of inter-annual to decadal scale June-September drought variance at the regional-scale. Driest and wettest summers common to the tree-ring proxy and instrumental target data are 1934, 1959, 1996 and 1958, 1966, 1967, respectively. Spatial field correlations are positive with gridded summer hydro-climate over western-central Europe Increased mid-tropospheric geopotennal height (Z500) anomalies over the British Isles appear associated with increased Central German drought, whereas negative Z500 anomalies over Western Europe trigger wet summer extremes due to anomalous moist air advection from the west. Although our study revealed estimates of inter-annual to decadal drought dynamics at the synoptic scale, lower frequency trends remain insecure. (C) 2010 Elsevier Ltd All rights reserved"],["dc.description.sponsorship","EC [017008]; NCCR; EU [212250]"],["dc.identifier.doi","10.1016/j.quascirev.2010.01.003"],["dc.identifier.isi","000276749200013"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/20293"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Pergamon-elsevier Science Ltd"],["dc.relation.issn","0277-3791"],["dc.title","Tree-ring indicators of German summer drought over the last millennium"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","171"],["dc.bibliographiccitation.journal","Review of Palaeobotany and Palynology"],["dc.bibliographiccitation.lastpage","178"],["dc.bibliographiccitation.volume","221"],["dc.contributor.author","Shumilovskikh, Lyudmila S."],["dc.contributor.author","Schluetz, Frank"],["dc.contributor.author","Achterberg, Inke"],["dc.contributor.author","Kvitkina, Anna"],["dc.contributor.author","Bauerochse, Andreas"],["dc.contributor.author","Leuschner, Hanns Hubert"],["dc.date.accessioned","2018-11-07T09:51:12Z"],["dc.date.available","2018-11-07T09:51:12Z"],["dc.date.issued","2015"],["dc.description.abstract","Several laboratory experiments and field observations demonstrate that saprotrophic and ectomycorrhizal fungi effectively use pollen cytoplasm and suggest pollen produced by wind-pollinated trees as a crucial nutrient source for fungi and their plant hosts in nutrient-limited environments. However, the role of such interactions is still underestimated or neglected in ecology and paleoecology. Here, we consider pollen attacked by fungi in palynological records from Holocene raised peat bogs as a nutrient source for ecosystems in the past. The attacks occurred through the pollen germination areas by a variety of saprotrophic, ericoid mycorrhizal, ectomycorrhizal or dark septate endophyte fungi. Large amounts of attacked pollen in phases rich in Calluna vulgaris highlight the importance of Ericaceae shrubs, hosting ericoid mycorrhizal fungi and forming hotspots of decomposition in nutrient-deficit bogs. Applying estimations of pollen rain from literature, and based on own observed pollen infection rates we estimate the annual release of nitrogen, phosphate and potassium from pollen, and highlight their significance in pushing the ecosystem nutrient cycle in early spring time, when several species release their pollen. We highlight the significant role of anthropogenic changes in pollen deposition for pre-industrial bogs and hypothesize about the consequences of the pollen-based interrelation between wind-pollinated plants and their mycorrhizal fungi in paleoecology and evolution. (C) 2015 Elsevier B.V. All rights reserved."],["dc.identifier.doi","10.1016/j.revpalbo.2015.07.001"],["dc.identifier.isi","000361777900016"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/35867"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.relation.issn","1879-0615"],["dc.relation.issn","0034-6667"],["dc.relation.orgunit","Abteilung Palynologie und Klimadynamik"],["dc.title","Pollen as nutrient source in Holocene ombrotrophic bogs"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.subtype","original_ja"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","81"],["dc.bibliographiccitation.journal","Journal of Archaeological Science"],["dc.bibliographiccitation.lastpage","92"],["dc.bibliographiccitation.volume","98"],["dc.contributor.author","Ljungqvist, Fredrik Charpentier"],["dc.contributor.author","Tegel, Willy"],["dc.contributor.author","Krusic, Paul J."],["dc.contributor.author","Seim, Andrea"],["dc.contributor.author","Gschwind, Friederike M."],["dc.contributor.author","Haneca, Kristof"],["dc.contributor.author","Herzig, Franz"],["dc.contributor.author","Heussner, Karl-Uwe"],["dc.contributor.author","Hofmann, Jutta"],["dc.contributor.author","Houbrechts, David"],["dc.contributor.author","Kontic, Raymond"],["dc.contributor.author","Kyncl, Tomáš"],["dc.contributor.author","Leuschner, Hanns Hubert"],["dc.contributor.author","Nicolussi, Kurt"],["dc.contributor.author","Perrault, Christophe"],["dc.contributor.author","Pfeifer, Klaus"],["dc.contributor.author","Schmidhalter, Martin"],["dc.contributor.author","Seifert, Mathias"],["dc.contributor.author","Walder, Felix"],["dc.contributor.author","Westphal, Thorsten"],["dc.contributor.author","Büntgen, Ulf"],["dc.date.accessioned","2020-12-10T14:24:50Z"],["dc.date.available","2020-12-10T14:24:50Z"],["dc.date.issued","2018"],["dc.identifier.doi","10.1016/j.jas.2018.08.006"],["dc.identifier.issn","0305-4403"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/72363"],["dc.language.iso","en"],["dc.notes.intern","DOI Import GROB-354"],["dc.relation.orgunit","Abteilung Palynologie und Klimadynamik"],["dc.title","Linking European building activity with plague history"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.subtype","original_ja"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","129"],["dc.bibliographiccitation.issue","2"],["dc.bibliographiccitation.journal","Dendrochronologia"],["dc.bibliographiccitation.lastpage","146"],["dc.bibliographiccitation.volume","27"],["dc.contributor.author","Eckstein, Jan"],["dc.contributor.author","Leuschner, Hanns Hubert"],["dc.contributor.author","Bauerochse, Andreas"],["dc.contributor.author","Sass-Klaassen, Ute"],["dc.date.accessioned","2018-11-07T08:34:22Z"],["dc.date.available","2018-11-07T08:34:22Z"],["dc.date.issued","2009"],["dc.description.abstract","Extended dendrochronological investigations were performed on subfossil pine entombed in peat layers of former bogs in Lower Saxony (NW Germany). The aim was to study of dynamics in bog development in response to local environmental conditions and regional changes in climate throughout the Holocene. To date, 1702 samples have been collected from 36 locations. Crossdating with the Lower Saxony Bog Oak Chronology (LSBOC) resulted in five absolutely dated pine chronologies covering large parts of the period from 5600 BC to 2200 BC. Radiocarbon dating of eight additional chronologies extends this time-span from 7000 BC to 1500 BC. By combining dendrochronology with information on stratigraphic position as well as stem and root morphology we found that major changes in site hydrology cause changes in growth pattern and population dynamics of subfossil pine whereas storm and fire were of minor importance. The fact that shifts in growth patterns and population dynamics occurred simultaneously in trees from different sites indicates regional climate changes as main drivers of pines forest development in peatland ecosystems. (C) 2009 Elsevier GmbH. All rights reserved."],["dc.identifier.doi","10.1016/j.dendro.2009.06.007"],["dc.identifier.isi","000270017500006"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/17794"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Elsevier Gmbh, Urban & Fischer Verlag"],["dc.relation.conference","14th EuroDendro 2008"],["dc.relation.eventlocation","Hallstatt, AUSTRIA"],["dc.relation.issn","1125-7865"],["dc.title","Subfossil bog-pine horizons document climate and ecosystem changes during the Mid-Holocene"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","781"],["dc.bibliographiccitation.issue","5"],["dc.bibliographiccitation.journal","Journal of Vegetation Science"],["dc.bibliographiccitation.lastpage","794"],["dc.bibliographiccitation.volume","22"],["dc.contributor.author","Eckstein, Jan"],["dc.contributor.author","Leuschner, Hanns Hubert"],["dc.contributor.author","Bauerochse, Andreas"],["dc.date.accessioned","2018-11-07T08:51:33Z"],["dc.date.available","2018-11-07T08:51:33Z"],["dc.date.issued","2011"],["dc.description.abstract","Questionc Can investigations of subfossil bog-pine woodlands contribute to the understanding of mire development, especially the influence of climate fluctuations on the fen-bog transition? Location: Lowlands of northwest Germany. Methods: We investigated pine (Pinus sylvestris L.) tree remains (stumps and trunks) buried in peat deposits. Dendrochronology was used to date each sampled tree to calendar years and to reconstruct population dynamics of the pine woodlands. Ecological changes, especially changes in site hydrology during the pine woodland phases were inferred from peat stratigraphic analyses and investigations of stem and root morphology of the tree remains. Results: The subfossil pine woodlands occurred mostly during the transition from fen to raised bog conditions within the mire development. The population dynamics are strikingly wave-like whereas woodland phases of 100 to 250 years duration are separated by much shorter (10-50 years) phases of high germination and dying-off rates (GDO phases). Such GDO phases are often synchronous at different sites and are also linked to growth depressions of the independent regional oak master chronology (LSBOC), indicating a climate trigger. Conclusions: The development of raised bogs started about 7000 BC and had a main phase between 5100 and 3600 BC in northwest Germany. The subfossil bog-pine woodlands document the transitional phase towards the onset of raised bog formation, as characterized by initial dry conditions that were followed by increasing wetness of the sites, whereas this development is at least partly the result of climate variations."],["dc.description.sponsorship","German Research Foundation [LE 1805/2-1]"],["dc.identifier.doi","10.1111/j.1654-1103.2011.01283.x"],["dc.identifier.isi","000294561200003"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/21959"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Wiley-blackwell"],["dc.relation.issn","1100-9233"],["dc.title","Mid-Holocene pine woodland phases and mire development - significance of dendroecological data from subfossil trees from northwest Germany"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","643"],["dc.bibliographiccitation.issue","2"],["dc.bibliographiccitation.lastpage","650"],["dc.bibliographiccitation.volumetitle","2200 BC – Ein Klimasturz als Ursache für den Zerfall der Alten Welt? 2200 BC – A climatic breakdown as a cause for the collapse of the old world?"],["dc.contributor.author","Bauerochse, Andreas"],["dc.contributor.author","Achterberg, Inke"],["dc.contributor.author","Leuschner, Hanns Hubert"],["dc.contributor.editor","Meller, Harald"],["dc.contributor.editor","Arz, Helge Wolfgang"],["dc.contributor.editor","Jung, Reinhard"],["dc.contributor.editor","Risch, Roberto"],["dc.date.accessioned","2022-01-28T08:33:09Z"],["dc.date.available","2022-01-28T08:33:09Z"],["dc.date.issued","2015"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/98711"],["dc.language.iso","en"],["dc.publisher","Landesamt für Denkmalpflege und Archäologie Sachsen-Anhalt – Landesmuseum für Vorgeschichte Halle (Saale)"],["dc.relation.conference","7. Mitteldeutscher Archäologentag"],["dc.relation.eventend","2014-10-26"],["dc.relation.eventlocation","Halle (Saale)"],["dc.relation.eventstart","2014-10-23"],["dc.relation.isbn","978-3-944507-29-3"],["dc.relation.ispartof","2200 BC – Ein Klimasturz als Ursache für den Zerfall der Alten Welt? 2200 BC – A climatic breakdown as a cause for the collapse of the old world?"],["dc.relation.orgunit","Abteilung Palynologie und Klimadynamik"],["dc.title","Evidence for climate change between 2200 BC and 2160 BC derived from subfossil bog and riverine trees from Germany"],["dc.type","conference_paper"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]