Leuschner, Christoph

[["dc.bibliographiccitation.firstpage","7996"],["dc.bibliographiccitation.issue","14"],["dc.bibliographiccitation.journal","Sustainability"],["dc.bibliographiccitation.volume","13"],["dc.contributor.author","Heinrichs, Steffi"],["dc.contributor.author","Öder, Veronika"],["dc.contributor.author","Indreica, Adrian"],["dc.contributor.author","Bergmeier, Erwin"],["dc.contributor.author","Leuschner, Christoph"],["dc.contributor.author","Walentowski, Helge"],["dc.date.accessioned","2021-09-01T06:43:02Z"],["dc.date.available","2021-09-01T06:43:02Z"],["dc.date.issued","2021"],["dc.description.abstract","Climate change challenges important native timber species in Central Europe. The introduction of non-native tree species originating from warmer climates is one option to make Central European forests compatible to global warming. This, however, requires an assessment of the species’ growth requirements, and of its impact on biodiversity in its native ranges. Silver lime (Tilia tomentosa), a moderately drought-tolerant, thermophilous tree species of South-eastern Europe is considered suitable for the future. Along three elevational transects in western Romania, we assessed the impact of changing climate and local site conditions on the abundance of this tree species and contrasted plant species diversity and composition of lime-dominated forests with mesophytic oak and beech forests. Local site conditions and disturbance histories shaped the distribution pattern of silver lime. When dominant, it reduced plant species diversity within stands due to its dense canopy. For shade-tolerant, mesophytic species, though, lime forests provided an additional habitat and extended their range into warmer environments. Thus, silver lime may have the potential as an admixed tree species forming a transitory meso-thermophilous habitat in the future. At the same time, silver lime may be limited under increasing drought frequency."],["dc.description.abstract","Climate change challenges important native timber species in Central Europe. The introduction of non-native tree species originating from warmer climates is one option to make Central European forests compatible to global warming. This, however, requires an assessment of the species’ growth requirements, and of its impact on biodiversity in its native ranges. Silver lime (Tilia tomentosa), a moderately drought-tolerant, thermophilous tree species of South-eastern Europe is considered suitable for the future. Along three elevational transects in western Romania, we assessed the impact of changing climate and local site conditions on the abundance of this tree species and contrasted plant species diversity and composition of lime-dominated forests with mesophytic oak and beech forests. Local site conditions and disturbance histories shaped the distribution pattern of silver lime. When dominant, it reduced plant species diversity within stands due to its dense canopy. For shade-tolerant, mesophytic species, though, lime forests provided an additional habitat and extended their range into warmer environments. Thus, silver lime may have the potential as an admixed tree species forming a transitory meso-thermophilous habitat in the future. At the same time, silver lime may be limited under increasing drought frequency."],["dc.description.sponsorship","Bundesministerium für Umwelt, Naturschutz und nukleare Sicherheit"],["dc.identifier.doi","10.3390/su13147996"],["dc.identifier.pii","su13147996"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/89205"],["dc.language.iso","en"],["dc.notes.intern","DOI-Import GROB-455"],["dc.publisher","MDPI"],["dc.relation.eissn","2071-1050"],["dc.rights","https://creativecommons.org/licenses/by/4.0/"],["dc.title","The Influence of Tilia tomentosa Moench on Plant Species Diversity and Composition in Mesophilic Forests of Western Romania–A Potential Tree Species for Warming Forests in Central Europe?"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","1083"],["dc.bibliographiccitation.issue","6"],["dc.bibliographiccitation.journal","Ecosystems"],["dc.bibliographiccitation.lastpage","1100"],["dc.bibliographiccitation.volume","18"],["dc.contributor.author","Müller-Haubold, Hilmar"],["dc.contributor.author","Hertel, Dietrich"],["dc.contributor.author","Leuschner, Christoph"],["dc.date.accessioned","2018-07-26T15:44:22Z"],["dc.date.available","2018-07-26T15:44:22Z"],["dc.date.issued","2015"],["dc.description.abstract","European beech shows mast fruiting at intervals of 2–20 years with a recent increase in frequency. It is not precisely known which climatic or endogenous factors are the proximate causes of masting. We recorded fruit mass production in 11 beech stands across a climate gradient over 4 years, analyzed the influence of climatic, edaphic, and stand structural parameters on fructification, and quantified carbon (C) and nitrogen (N) allocation to leaf and fruit mass production. The solar radiation total in June and July of the year preceding a mast year (JJ−1) was the parameter most closely related to fruit mass production, whereas no influence was found for drought. Radiation induced flowering and subsequent fruit production in beech apparently through a threshold response when the long-term mean of June-July radiation was exceeded by more than 5%. Full masting was associated with a significantly smaller leaf size and stand leaf area in the mast year and it significantly lowered foliar N content in the mast and post-mast year. We conclude that radiation totals and the N status of the foliage jointly govern the temporal pattern of masting in beech, presumably by controlling the photosynthetic activity in early summer. Anthropogenic increases in N deposition and atmospheric [CO2] thus have the potential to increase masting frequency which can substantially alter forest productivity and forest biogeochemical cycles."],["dc.identifier.doi","10.1007/s10021-015-9885-6"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/15198"],["dc.language.iso","en"],["dc.notes.status","final"],["dc.title","Climatic Drivers of Mast Fruiting in European Beech and Resulting C and N Allocation Shifts"],["dc.type","journal_article"],["dc.type.internalPublication","unknown"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","563"],["dc.bibliographiccitation.issue","5"],["dc.bibliographiccitation.journal","Acta Oecologica"],["dc.bibliographiccitation.lastpage","572"],["dc.bibliographiccitation.volume","35"],["dc.contributor.author","Dulamsuren, Choimaa"],["dc.contributor.author","Hauck, Markus"],["dc.contributor.author","Nyambayar, Suran"],["dc.contributor.author","Osokhjargal, Dalaikhuu"],["dc.contributor.author","Leuschner, Christoph"],["dc.date.accessioned","2018-11-07T11:24:27Z"],["dc.date.available","2018-11-07T11:24:27Z"],["dc.date.issued","2009"],["dc.description.abstract","The potential of Siberian elm (Ulmus pumila) to regenerate from seeds was experimentally studied on south-facing slopes in the northern Mongolian mountain taiga. These slopes are covered with a vegetation mosaic of different steppe Communities and small, savanna-like, U. pumila open woodlands. The hypothesis is tested that the xeric microclimate and high herbivore densities limit the success of seedling establishment in U. pumila and thereby prevent elm from complete encroachment of the grassland-dominated slopes. Seeds were sown and 2-yr-old seedlings were planted prior to the growing season. The water Supply was manipulated by irrigation, as was the feeding pressure by caterpillars with an insecticide. Large herbivores were excluded by fencing. Seeds germinated throughout the summer, but the emerged seedlings did not survive for more than 2 or 3 weeks. Germination rates increased with increasing soil water content and decreasing soil temperatures. Many seeds were consumed by granivores. Most planted 2-yr-old seedlings survived the two growing seasons covered by the study. However, the seedlings suffered from feeding damage by insects (gypsy moth, grasshoppers) and small mammals, from nitrogen deficiency and, to a lesser degree, from drought. The results suggest that high susceptibility of newly emerged seedlings to environmental stresses is a serious bottle neck for U. pumila that prevents them from the formation of closed forests on northern Mongolia's steppe slopes, whereas the probability for seedling survival after this early stage is high. (C) 2009 Elsevier Masson SAS. All rights reserved."],["dc.identifier.doi","10.1016/j.actao.2009.05.002"],["dc.identifier.isi","000270748300001"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/56408"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Gauthier-villars/editions Elsevier"],["dc.relation.issn","1146-609X"],["dc.title","Establishment of Ulmus pumila seedlings on steppe slopes of the northern Mongolian mountain taiga"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.artnumber","e47128"],["dc.bibliographiccitation.issue","10"],["dc.bibliographiccitation.journal","PLoS ONE"],["dc.bibliographiccitation.volume","7"],["dc.contributor.author","Homeier, Jürgen"],["dc.contributor.author","Hertel, Dietrich"],["dc.contributor.author","Camenzind, Tessa"],["dc.contributor.author","Cumbicus, Nixon L."],["dc.contributor.author","Maraun, Mark"],["dc.contributor.author","Martinson, Guntars O."],["dc.contributor.author","Poma, L. Nohemy"],["dc.contributor.author","Rillig, Matthias C."],["dc.contributor.author","Sandmann, Dorothee"],["dc.contributor.author","Scheu, Stefan"],["dc.contributor.author","Veldkamp, Edzo"],["dc.contributor.author","Wilcke, Wolfgang"],["dc.contributor.author","Wullaert, Hans"],["dc.contributor.author","Leuschner, Christoph"],["dc.contributor.editor","Chen, Han Y. H."],["dc.date.accessioned","2017-09-07T11:54:53Z"],["dc.date.available","2017-09-07T11:54:53Z"],["dc.date.issued","2012"],["dc.description.abstract","Tropical regions are facing increasing atmospheric inputs of nutrients, which will have unknown consequences for the structure and functioning of these systems. Here, we show that Neotropical montane rainforests respond rapidly to moderate additions of N (50 kg ha(-1) yr(-1)) and P (10 kg ha(-1) yr(-1)). Monitoring of nutrient fluxes demonstrated that the majority of added nutrients remained in the system, in either soil or vegetation. N and P additions led to not only an increase in foliar N and P concentrations, but also altered soil microbial biomass, standing fine root biomass, stem growth, and litterfall. The different effects suggest that trees are primarily limited by P, whereas some processes-notably aboveground productivity--are limited by both N and P. Highly variable and partly contrasting responses of different tree species suggest marked changes in species composition and diversity of these forests by nutrient inputs in the long term. The unexpectedly fast response of the ecosystem to moderate nutrient additions suggests high vulnerability of tropical montane forests to the expected increase in nutrient inputs."],["dc.identifier.doi","10.1371/journal.pone.0047128"],["dc.identifier.gro","3150124"],["dc.identifier.pmid","23071734"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/8325"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/6854"],["dc.language.iso","en"],["dc.notes.intern","Merged from goescholar"],["dc.notes.status","final"],["dc.relation.issn","1932-6203"],["dc.rights","CC BY 2.5"],["dc.rights.uri","https://creativecommons.org/licenses/by/2.5"],["dc.title","Tropical Andean Forests Are Highly Susceptible to Nutrient Inputs—Rapid Effects of Experimental N and P Addition to an Ecuadorian Montane Forest"],["dc.type","journal_article"],["dc.type.internalPublication","unknown"],["dc.type.peerReviewed","no"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","648"],["dc.bibliographiccitation.issue","4"],["dc.bibliographiccitation.journal","Forest Ecology and Management"],["dc.bibliographiccitation.lastpage","655"],["dc.bibliographiccitation.volume","256"],["dc.contributor.author","Lendzion, Jasmin"],["dc.contributor.author","Leuschner, Christoph"],["dc.date.accessioned","2018-11-07T11:12:12Z"],["dc.date.available","2018-11-07T11:12:12Z"],["dc.date.issued","2008"],["dc.identifier.doi","10.1016/j.foreco.2008.05.008"],["dc.identifier.isi","000258361200018"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/53609"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Elsevier Science Bv"],["dc.relation.issn","0378-1127"],["dc.title","Growth of European beech (Fagus sylvatica L.) saplings is limited by elevated atmospheric vapour pressure deficits"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","136"],["dc.bibliographiccitation.journal","Biological Conservation"],["dc.bibliographiccitation.lastpage","145"],["dc.bibliographiccitation.volume","157"],["dc.contributor.author","Hauck, Markus"],["dc.contributor.author","de Bruyn, Uwe"],["dc.contributor.author","Leuschner, Christoph"],["dc.date.accessioned","2018-08-13T17:13:02Z"],["dc.date.available","2018-08-13T17:13:02Z"],["dc.date.issued","2013"],["dc.description.abstract","Comparing data of epiphytic lichen diversity in semi-natural broad-leaved forests in north-western Germany from the 19th to early 20th centuries with recent inventories revealed strong changes, even though forest structure and tree species composition had changed only little. In three study areas, between 55% and 70% of the species became rarer during the 100–150-year long observation period. In the spatially extended study areas Weser-Ems Lowlands and Solling Mountains, 36% or 39% of the species, respectively, could not be rediscovered in the recent survey. Considering that species might have been overlooked during revisitation, the extinction rate was estimated to be 28% in the Weser-Ems Lowlands and 30% in the Solling Mountains based on a estimated probability for recovering the species of 75% in crustose lichens and 90% in foliose and fruticose lichens. The main causes of the species decline are thought to be forest management (especially the reduction of overmature and decaying trees), the reduction of soil moisture and, with it, air humidity due to drainage as well as the deposition of acidifying and fertilizing substances from the atmosphere. Lichens specialized on rain-sheltered bark furrows and cavities of old trees or smooth, shady bark or moist thick-stemmed deadwood in the forest interior have suffered the strongest declines, including the epiphyte flora of Fagus sylvatica, Central Europe’s most abundant native forest tree species. Only few lichens which benefit from nitrogen deposition, global warming or the acidification of bark due to sulphur dioxide pollution have spread."],["dc.identifier.doi","10.1016/j.biocon.2012.06.015"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/15271"],["dc.language.iso","en"],["dc.notes.status","final"],["dc.title","Dramatic diversity losses in epiphytic lichens in temperate broad-leaved forests during the last 150 years"],["dc.type","journal_article"],["dc.type.internalPublication","unknown"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","256"],["dc.bibliographiccitation.journal","Forest Ecology and Management"],["dc.bibliographiccitation.lastpage","268"],["dc.bibliographiccitation.volume","444"],["dc.contributor.author","Kirfel, Kristina"],["dc.contributor.author","Heinze, Stefanie"],["dc.contributor.author","Hertel, Dietrich"],["dc.contributor.author","Leuschner, Christoph"],["dc.date.accessioned","2020-12-10T14:24:07Z"],["dc.date.available","2020-12-10T14:24:07Z"],["dc.date.issued","2019"],["dc.identifier.doi","10.1016/j.foreco.2019.04.022"],["dc.identifier.issn","0378-1127"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/72145"],["dc.language.iso","en"],["dc.notes.intern","DOI Import GROB-354"],["dc.title","Effects of bedrock type and soil chemistry on the fine roots of European beech – A study on the belowground plasticity of trees"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","309"],["dc.bibliographiccitation.issue","3"],["dc.bibliographiccitation.journal","Environmental and Experimental Botany"],["dc.bibliographiccitation.lastpage","313"],["dc.bibliographiccitation.volume","68"],["dc.contributor.author","Hauck, Markus"],["dc.contributor.author","Juergens, Sascha-Rene"],["dc.contributor.author","Leuschner, Christoph"],["dc.date.accessioned","2018-11-07T08:43:30Z"],["dc.date.available","2018-11-07T08:43:30Z"],["dc.date.issued","2010"],["dc.description.abstract","The depsidone norstictic acid is a widespread secondary metabolite produced by lichen-forming fungi. Like other lichen substances, most of the norstictic acid is deposited as crystals in the apoplast of lichens, whereas only a small proportion is soluble in water. Since recent studies suggested a role of lichen substances in shaping the preferences of lichens for specific pH conditions and metal availabilities in their environment, we studied physico-chemical properties of norstictic acid to test the hypothesis that the dissociation and metal-binding behavior of this substance could explain the ecological characteristics of norstictic acid-producing lichens with respect to pH and metal availability. UV spectroscopy was used to study the dissociation and the pH dependence of the metal-binding behavior of isolated norstictic acid in methanol. Metals applied were selected macro- and micro-nutrients (Ce2+, Fe2+, Fe3+, Mg2+, Mn2+, Zn2+). The first dissociation constant (pK(a1)) of norstictic acid amounts to 4.0. It is higher than that of other lichen substances produced by lichens at strongly acidic sites but equals that of the dibenzofuran usnic acid. In solutions containing norstictic acid and Cu2+, Mn2+ or Zn2+ increasing absorbance was observed at pH > 7.5 indicating increasing affinity of the metal ions for the norstictic acid along with pH. Fe2+ and Mg2+ do not form complexes with norstictic acid. The relative high pK(a1) value of norstictic acid is probably responsible for the lack of norstictic acid-producing lichens on strongly acidic substrata. At pH << 4, norstictic acid is thought to damage lichens by shuttling protons into the cytoplasm. Moderate affinity of norstictic acid to Cu2+, Fe3+, Mn2+ and Zn2+ suggests a potential role at controlling the uptake of these ions at slightly alkaline conditions. (C) 2010 Elsevier B.V. All rights reserved."],["dc.description.sponsorship","Deutsche Forschungsgemeinschaft [Ha 3152/8-1]"],["dc.identifier.doi","10.1016/j.envexpbot.2010.01.003"],["dc.identifier.isi","000276741400010"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/19979"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Pergamon-elsevier Science Ltd"],["dc.relation.issn","0098-8472"],["dc.title","Norstictic acid: Correlations between its physico-chemical characteristics and ecological preferences of lichens producing this depsidone"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","31"],["dc.bibliographiccitation.lastpage","116"],["dc.contributor.author","Leuschner, Christoph"],["dc.contributor.author","Ellenberg, Heinz"],["dc.date.accessioned","2018-02-26T10:24:39Z"],["dc.date.available","2018-02-26T10:24:39Z"],["dc.date.issued","2017"],["dc.identifier.doi","10.1007/978-3-319-43042-3_3"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/12590"],["dc.notes.status","zu prüfen"],["dc.relation.isbn","978-3-319-43040-9"],["dc.relation.isbn","978-3-319-43042-3"],["dc.relation.ispartof","Ecology of Central European Forests"],["dc.title","The Central European Vegetation as the Result of Millennia of Human Activity"],["dc.type","book_chapter"],["dc.type.internalPublication","unknown"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","359"],["dc.bibliographiccitation.issue","2"],["dc.bibliographiccitation.journal","Annals of Botany"],["dc.bibliographiccitation.lastpage","366"],["dc.bibliographiccitation.volume","108"],["dc.contributor.author","Hauck, Markus"],["dc.contributor.author","Otto, Philipp I."],["dc.contributor.author","Dittrich, Sebastian"],["dc.contributor.author","Jacob, Mascha"],["dc.contributor.author","Bade, Claudia"],["dc.contributor.author","Doerfler, Inken"],["dc.contributor.author","Leuschner, Christoph"],["dc.date.accessioned","2018-11-07T08:53:44Z"],["dc.date.available","2018-11-07T08:53:44Z"],["dc.date.issued","2011"],["dc.description.abstract","Backgrounds and Aims Lecanora conizaeoides was until recently western and central Europe's most abundant epiphytic lichen species or at least one of the most common epiphytes. The species is adapted to very acidic conditions at pH values around 3 and high concentrations of SO(2) and its derivatives formed in aqueous solution, and thus spread with increasing SO(2) deposition during the 19th and 20th centuries. With the recent decrease of SO(2) emissions to nearly pre-industrial levels within 20 years, L. conizaeoides declined from most of its former range. If still present, the species is no longer the dominant epiphyte, but is occurring in small densities only. The rapid spread of the L. conizaeoides in Europe from an extremely rare species to the probably most frequent epiphytic lichen and the subsequent rapid dieback are unprecedented by any other organism. The present study aimed at identifying the magnitude of deacidification needed to cause the dieback of the lichen. Methods The epiphytic lichen diversity and bark chemistry of montane spruce forests in the Harz Mountains, northern Germany, were studied and the results were compared with data recorded with the same methods 13-15 years ago. Key Results Lecanora conizaeoides, which was the dominant epiphyte of the study area until 15 years ago, is still found on most trees, but only with small cover values of <= 1%. The bark pH increased by only 0.4 pH units. Conclusions The data suggest that only slight deacidification of the substratum causes the breakdown of the L. conizaeoides populations. Neither competitors nor parasites of L. conizaeoides that may have profited from reduced SO(2) concentrations are likely causes of the rapid dieback of the species."],["dc.description.sponsorship","Stemmler Foundation"],["dc.identifier.doi","10.1093/aob/mcr136"],["dc.identifier.isi","000293300500012"],["dc.identifier.pmid","21788378"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/22492"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Oxford Univ Press"],["dc.relation.issn","0305-7364"],["dc.title","Small increase in sub-stratum pH causes the dieback of one of Europe's most common lichens, Lecanora conizaeoides"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]