Matthias, Isabelle

[["dc.bibliographiccitation.firstpage","253"],["dc.bibliographiccitation.journal","Quaternary International"],["dc.bibliographiccitation.lastpage","264"],["dc.bibliographiccitation.volume","308"],["dc.contributor.author","Niemann, Holger"],["dc.contributor.author","Matthias, Isabelle"],["dc.contributor.author","Michalzik, Beate"],["dc.contributor.author","Behling, Hermann"],["dc.date.accessioned","2018-11-07T09:18:44Z"],["dc.date.available","2018-11-07T09:18:44Z"],["dc.date.issued","2013"],["dc.description.abstract","Late Holocene human impact and environmental changes were reconstructed from a sediment core of the Laguna Daniel Alvarez (2200 m asl) located on the outskirts of the city of Loja, southeastern Ecuador. Palaeoenvironmental changes were investigated by pollen, spore, algae and charcoal analysis in combination with X-Ray Fluorescence (XRF) scanning and element analysis of delta C-13, Total Organic Carbon (TOC), Total Nitrogen (TN) and radiocarbon dating. This multi-proxy study provides in detail the settlement history in the inner-Andean dry valley in southern Ecuador over the last ca. 1400 years. Between 630 and 1470 AD, Zea mays was intensively cultivated around the studied lake by the native Palta culture in the Loja region. After ca. 1470 AD, Z. mays cultivation collapsed, accompanied by an increase in fallow vegetation, such as Mimosa and Poaceae, probably as a result of the Inca invasion and occupation from 1463 to 1531 AD in southern Ecuador. After ca. 1570 AD, Amaranthaceae/Chenopodiaceae markedly increased, reflecting the beginning of the Spanish Conquest. In 1531 AD, Loja became Spanish and, during the first ca. 100 years of the Spanish regime, Loja developed into the fortified capital of the province. In the 17th century, crop growing strongly declined due to the diminished indigenous population that probably suffered from new diseases introduced by the Spanish invaders. Pinus and Eucalyptus as well as Plantago lanceolata were introduced in the Loja region about 220 years ago. (C) 2013 Elsevier Ltd and INQUA. All rights reserved."],["dc.description.sponsorship","Deutsche Forschungsgemeinschaft (DFG) [FOR 402/D1]"],["dc.identifier.doi","10.1016/j.quaint.2013.03.017"],["dc.identifier.isi","000325306800025"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/28473"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.relation.issn","1040-6182"],["dc.title","Late Holocene human impact and environmental change inferred from a multi-proxy lake sediment record in the Loja region, southeastern Ecuador"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","531"],["dc.bibliographiccitation.issue","6"],["dc.bibliographiccitation.journal","Vegetation History and Archaeobotany"],["dc.bibliographiccitation.lastpage","531"],["dc.bibliographiccitation.volume","22"],["dc.contributor.author","Davis, Basil A. S."],["dc.contributor.author","Zanon, Marco"],["dc.contributor.author","Collins, Pamella"],["dc.contributor.author","Mauri, Achille"],["dc.contributor.author","Bakker, Johan"],["dc.contributor.author","Barboni, Doris"],["dc.contributor.author","Barthelmes, Alexandra"],["dc.contributor.author","Beaudouin, Celia"],["dc.contributor.author","Birks, H. John B."],["dc.contributor.author","Bjune, Anne E."],["dc.contributor.author","Bozilova, Elissaveta"],["dc.contributor.author","Bradshaw, Richard H. W."],["dc.contributor.author","Brayshay, Barbara A."],["dc.contributor.author","Brewer, Simon"],["dc.contributor.author","Brugiapaglia, Elisabetta"],["dc.contributor.author","Bunting, Jane"],["dc.contributor.author","Connor, Simon E."],["dc.contributor.author","de Beaulieu, Jacques-Louis"],["dc.contributor.author","Edwards, Kevin J."],["dc.contributor.author","Ejarque, Ana"],["dc.contributor.author","Fall, Patricia"],["dc.contributor.author","Florenzano, Assunta"],["dc.contributor.author","Fyfe, Ralph"],["dc.contributor.author","Galop, Didier"],["dc.contributor.author","Giardini, Marco"],["dc.contributor.author","Giesecke, Thomas"],["dc.contributor.author","Grant, Michael J."],["dc.contributor.author","Guiot, Jöel"],["dc.contributor.author","Jahns, Susanne"],["dc.contributor.author","Jankovská, Vlasta"],["dc.contributor.author","Juggins, Stephen"],["dc.contributor.author","Kahrmann, Marina"],["dc.contributor.author","Karpińska-Kołaczek, Monika"],["dc.contributor.author","Kołaczek, Piotr"],["dc.contributor.author","Kühl, Norbert"],["dc.contributor.author","Kuneš, Petr"],["dc.contributor.author","Lapteva, Elena G."],["dc.contributor.author","Leroy, Suzanne A. G."],["dc.contributor.author","Leydet, Michelle"],["dc.contributor.author","Sáez, José Antonio López"],["dc.contributor.author","Masi, Alessia"],["dc.contributor.author","Matthias, Isabelle"],["dc.contributor.author","Mazier, Florence"],["dc.contributor.author","Meltsov, Vivika"],["dc.contributor.author","Mercuri, Anna Maria"],["dc.contributor.author","Miras, Yannick"],["dc.contributor.author","Mitchell, Fraser J. G."],["dc.contributor.author","Morris, Jesse L."],["dc.contributor.author","Naughton, Filipa"],["dc.contributor.author","Nielsen, Anne Birgitte"],["dc.contributor.author","Novenko, Elena"],["dc.contributor.author","Odgaard, Bent"],["dc.contributor.author","Ortu, Elena"],["dc.contributor.author","Overballe-Petersen, Mette Venås"],["dc.contributor.author","Pardoe, Heather S."],["dc.contributor.author","Peglar, Silvia M."],["dc.contributor.author","Pidek, Irena A."],["dc.contributor.author","Sadori, Laura"],["dc.contributor.author","Seppä, Heikki"],["dc.contributor.author","Severova, Elena"],["dc.contributor.author","Shaw, Helen"],["dc.contributor.author","Święta-Musznicka, Joanna"],["dc.contributor.author","Theuerkauf, Martin"],["dc.contributor.author","Tonkov, Spassimir"],["dc.contributor.author","Veski, Siim"],["dc.contributor.author","van der Knaap, Pim"],["dc.contributor.author","van Leeuwen, Jacqueline F. N."],["dc.contributor.author","Woodbridge, Jessie"],["dc.contributor.author","Zimny, Marcelina"],["dc.contributor.author","Kaplan, Jed O."],["dc.date.accessioned","2020-03-16T09:46:38Z"],["dc.date.available","2020-03-16T09:46:38Z"],["dc.date.issued","2013"],["dc.description.abstract","Erratum to: Veget Hist Archaeobot DOI 10.1007/s00334-012-0388-5 Unfortunately, the list of authors contains a number of duplications, omissions and other errors in the original publication of the article. The correct list appears in this erratum. The complete list of author addresses and e-mails is contained in the electronic supplementary material, to which should be added: H. John B. Birks, Department of Biology and Bjerknes Centre for Climate Research, University of Bergen, Post Box 7803, N-5020 Bergen, Norway, e-mail: john.birks@bio.uib.no."],["dc.identifier.doi","10.1007/s00334-013-0408-0"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/63338"],["dc.language.iso","en"],["dc.relation.iserratumof","/handle/2/63337"],["dc.relation.issn","0939-6314"],["dc.relation.issn","1617-6278"],["dc.title","Erratum to: The European Modern Pollen Database (EMPD) project"],["dc.type","journal_article"],["dc.type.internalPublication","unknown"],["dc.type.subtype","erratum_ja"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","521"],["dc.bibliographiccitation.issue","6"],["dc.bibliographiccitation.journal","Vegetation History and Archaeobotany"],["dc.bibliographiccitation.lastpage","530"],["dc.bibliographiccitation.volume","22"],["dc.contributor.author","Davis, Basil A. S."],["dc.contributor.author","Zanon, Marco"],["dc.contributor.author","Collins, Pamella"],["dc.contributor.author","Mauri, Achille"],["dc.contributor.author","Bakker, Johan"],["dc.contributor.author","Barboni, Doris"],["dc.contributor.author","Barthelmes, Alexandra"],["dc.contributor.author","Beaudouin, Celia"],["dc.contributor.author","Bjune, Anne E."],["dc.contributor.author","Bozilova, Elissaveta"],["dc.contributor.author","Bradshaw, Richard H. W."],["dc.contributor.author","Brayshay, Barbara A."],["dc.contributor.author","Brewer, Simon"],["dc.contributor.author","Brugiapaglia, Elisabetta"],["dc.contributor.author","Bunting, Jane"],["dc.contributor.author","Connor, Simon E."],["dc.contributor.author","de Beaulieu, Jacques-Louis"],["dc.contributor.author","Edwards, Kevin"],["dc.contributor.author","Ejarque, Ana"],["dc.contributor.author","Fall, Patricia"],["dc.contributor.author","Florenzano, Assunta"],["dc.contributor.author","Fyfe, Ralph"],["dc.contributor.author","Galop, Didier"],["dc.contributor.author","Giardini, Marco"],["dc.contributor.author","Giesecke, Thomas"],["dc.contributor.author","Grant, Michael J."],["dc.contributor.author","Guiot, Jöel"],["dc.contributor.author","Jahns, Susanne"],["dc.contributor.author","Jankovská, Vlasta"],["dc.contributor.author","Juggins, Stephen"],["dc.contributor.author","Kahrmann, Marina"],["dc.contributor.author","Karpińska-Kołaczek, Monika"],["dc.contributor.author","Kołaczek, Piotr"],["dc.contributor.author","Kühl, Norbert"],["dc.contributor.author","Kuneš, Petr"],["dc.contributor.author","Lapteva, Elena G."],["dc.contributor.author","Leroy, Suzanne A. G."],["dc.contributor.author","Leydet, Michelle"],["dc.contributor.author","Guiot, José"],["dc.contributor.author","López Sáez, José Antonio"],["dc.contributor.author","Masi, Alessia"],["dc.contributor.author","Matthias, Isabelle"],["dc.contributor.author","Mazier, Florence"],["dc.contributor.author","Meltsov, Vivika"],["dc.contributor.author","Mercuri, Anna Maria"],["dc.contributor.author","Miras, Yannick"],["dc.contributor.author","Mitchell, Fraser J. G."],["dc.contributor.author","Morris, Jesse L."],["dc.contributor.author","Naughton, Filipa"],["dc.contributor.author","Nielsen, Anne Birgitte"],["dc.contributor.author","Novenko, Elena"],["dc.contributor.author","Odgaard, Bent"],["dc.contributor.author","Ortu, Elena"],["dc.contributor.author","Overballe-Petersen, Mette Venås"],["dc.contributor.author","Pardoe, Heather S."],["dc.contributor.author","Peglar, Silvia M."],["dc.contributor.author","Pidek, Irena A."],["dc.contributor.author","Sadori, Laura"],["dc.contributor.author","Seppä, Heikki"],["dc.contributor.author","Severova, Elena"],["dc.contributor.author","Shaw, Helen"],["dc.contributor.author","Swieta-Musznicka, Joanna"],["dc.contributor.author","Theuerkauf, Martin"],["dc.contributor.author","Tonkov, Spassimir"],["dc.contributor.author","Veski, Siim"],["dc.contributor.author","van der Knaap, W. O."],["dc.contributor.author","van Leeuwen, Jacqueline F. N."],["dc.contributor.author","Woodbridge, Jessie"],["dc.contributor.author","Zimny, Marcelina"],["dc.contributor.author","Kaplan, Jed O."],["dc.date.accessioned","2020-03-16T09:44:04Z"],["dc.date.available","2020-03-16T09:44:04Z"],["dc.date.issued","2013"],["dc.description.abstract","Modern pollen samples provide an invaluable research tool for helping to interpret the Quaternary fossil pollen record, allowing investigation of the relationship between pollen as the proxy and the environmental parameters such as vegetation, land-use, and climate that the pollen proxy represents. The European Modern Pollen Database (EMPD) is a new initiative within the European Pollen Database (EPD) to establish a publicly accessible repository of modern (surface sample) pollen data. This new database will complement the EPD, which at present holds only fossil sedimentary pollen data. The EMPD is freely available online to the scientific community and currently has information on almost 5000 pollen samples from throughout the Euro- Siberian and Mediterranean regions, contributed by over 40 individuals and research groups. Here we describe how the EMPD was constructed, the various tables and their fields, problems and errors, quality controls, and continuing efforts to improve the available data."],["dc.identifier.doi","10.1007/s00334-012-0388-5"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/63337"],["dc.language.iso","en"],["dc.relation.haserratum","/handle/2/63338"],["dc.relation.issn","0939-6314"],["dc.relation.issn","1617-6278"],["dc.title","The European Modern Pollen Database (EMPD) project"],["dc.type","journal_article"],["dc.type.internalPublication","unknown"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","880"],["dc.bibliographiccitation.issue","4"],["dc.bibliographiccitation.journal","Journal of Ecology"],["dc.bibliographiccitation.lastpage","890"],["dc.bibliographiccitation.volume","103"],["dc.contributor.author","Matthias, Isabelle"],["dc.contributor.author","Semmler, Malte Sebastian Swen"],["dc.contributor.author","Giesecke, Thomas"],["dc.date.accessioned","2018-11-07T09:55:22Z"],["dc.date.available","2018-11-07T09:55:22Z"],["dc.date.issued","2015"],["dc.description.abstract","Past changes in plant and landscape diversity can be evaluated through pollen analysis, however, pollen-based diversity indexes are potentially biased by differential pollen production and deposition. Studies examining the relationship between pollen and landscape diversity are therefore needed. The aim of this study was to evaluate how different pollen-based indexes capture aspects of landscape diversity. Pollen counts were obtained from surface samples of 50 small- to medium-sized lakes in Brandenburg (north-east Germany) and compiled into two sets, with one containing all pollen counts from terrestrial plants and the second restricted to wind-pollinated taxa. Both sets were adjusted for the pollen production/dispersal bias using the REVEALS model. A high-resolution biotope map was used to extract the density of total biotopes and different biotopes per area as parameters describing landscape diversity. In addition, tree species diversity was obtained from forest inventory data. The Shannon index and the number of taxa in a sample of 10 pollen grains are highly correlated and provide a useful measure of pollen type diversity which corresponds best to landscape diversity within one km of the lake and the proportion of non-forested area within seven km. Adjustments of the pollen production/dispersal bias only slightly improve the relationships between pollen diversity and landscape diversity for the restricted data set as well as for the forest inventory data and corresponding pollen types. Using rarefaction analysis, we propose the following convention: pollen type diversity is represented by the number of types in a small sample (low count e.g. 10), pollen type richness is the number of types in a large sample (high count e.g. 500), and pollen sample evenness is characterized by the ratio of the two.Synthesis. Pollen type diversity is a robust index that captures vegetation structure and landscape diversity. It is ideally suited for between site comparisons as it does not require high pollen counts. In concert with pollen type richness and evenness, it helps evaluating the effect of climate change and human land use on vegetation structure on long timescales."],["dc.description.sponsorship","German Research Foundation (DFG) [GI 732/1-1]"],["dc.identifier.doi","10.1111/1365-2745.12404"],["dc.identifier.isi","000356630600011"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/36723"],["dc.language.iso","en"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.relation.issn","1365-2745"],["dc.relation.issn","0022-0477"],["dc.title","Pollen diversity captures landscape structure and diversity"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","1662"],["dc.bibliographiccitation.issue","4"],["dc.bibliographiccitation.journal","Journal of Ecology"],["dc.bibliographiccitation.lastpage","1677"],["dc.bibliographiccitation.volume","107"],["dc.contributor.author","Reitalu, Triin"],["dc.contributor.author","Bjune, Anne E."],["dc.contributor.author","Blaus, Ansis"],["dc.contributor.author","Giesecke, Thomas"],["dc.contributor.author","Helm, Aveliina"],["dc.contributor.author","Matthias, Isabelle"],["dc.contributor.author","Peglar, Sylvia M."],["dc.contributor.author","Salonen, J. Sakari"],["dc.contributor.author","Seppa, Heikki"],["dc.contributor.author","Väli, Vivika"],["dc.contributor.author","Birks, H. John B."],["dc.contributor.editor","de Lafontaine, Guillaume"],["dc.date.accessioned","2020-03-16T09:38:18Z"],["dc.date.available","2020-03-16T09:38:18Z"],["dc.date.issued","2019"],["dc.description.abstract","Sedimentary pollen offers excellent opportunities to reconstruct vegetation changes over past millennia. Number of different pollen taxa or pollen richness is used to characterise past plant richness. To improve the interpretation of sedimentary pollen richness, it is essential to understand the relationship between pollen and plant richness in contemporary landscapes. This study presents a regional‐scale comparison of pollen and plant richness from northern Europe and evaluates the importance of environmental variables on pollen and plant richness. We use a pollen dataset of 511 lake‐surface pollen samples ranging through temperate, boreal and tundra biomes. To characterise plant diversity, we use a dataset formulated from the two largest plant atlases available in Europe. We compare pollen and plant richness estimates in different groups of taxa (wind‐pollinated vs. non‐wind‐pollinated, trees and shrubs vs. herbs and grasses) and test their relationships with climate and landscape variables. Pollen richness is significantly positively correlated with plant richness (r = 0.53). The pollen plant richness correlation improves (r = 0.63) when high pollen producers are downweighted prior to estimating richness minimising the influence of pollen production on the pollen richness estimate. This suggests that methods accommodating pollen‐production differences in richness estimates deserve further attention and should become more widely used in Quaternary pollen diversity studies. The highest correlations are found between pollen and plant richness of trees and shrubs (r = 0.83) and of wind‐pollinated taxa (r = 0.75) suggesting that these are the best measures of broad‐scale plant richness over several thousands of square kilometres. Mean annual temperature is the strongest predictor of both pollen and plant richness. Landscape openness is positively associated with pollen richness but not with plant richness. Pollen richness values from extremely open and/or cold areas where pollen production is low should be interpreted with caution because low local pollen production increases the proportion of extra‐regional pollen. Synthesis. Our results confirm that pollen data can provide insights into past plant richness changes in northern Europe, and with careful consideration of pollen‐production differences and spatial scale represented, pollen data make it possible to investigate vegetation diversity trends over long time‐scales and under changing climatic and habitat conditions."],["dc.identifier.doi","10.1111/1365-2745.13134"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/63335"],["dc.language.iso","en"],["dc.relation.issn","0022-0477"],["dc.relation.issn","1365-2745"],["dc.title","Patterns of modern pollen and plant richness across northern Europe"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","12"],["dc.bibliographiccitation.journal","Quaternary Science Reviews"],["dc.bibliographiccitation.lastpage","23"],["dc.bibliographiccitation.volume","87"],["dc.contributor.author","Matthias, Isabelle"],["dc.contributor.author","Giesecke, Thomas"],["dc.date.accessioned","2018-11-07T09:42:51Z"],["dc.date.available","2018-11-07T09:42:51Z"],["dc.date.issued","2014"],["dc.description.abstract","Pollen accumulation rates (PAR) from late Quaternary deposits can provide direct estimates of past plant abundance. They are influenced by lake internal processes and therefore rarely used in between site comparisons, although few studies from Fennoscandia have applied them successfully. This study aims to explore how PARs from selected lakes from Northeast Germany reflect differences in plant abundance as a step towards quantitative vegetation reconstructions from PARS. Short sediment cores were collected from 18 lakes of which 16 could be dated by Pb-210. PARs were estimated for the youngest sediment, representing approximately two years before sampling in 2009, and samples dated to around 1993. Forest inventory data for the two time slices were obtained for 15 km around the sites and standing volume (SV) was estimated as a measure of above ground biomass. PARs were compared to the total SV within increasing areas around the lakes, as well as to distance-weighted SV using the Prentice/Sugita model of pollen dispersal and deposition. Both assessments of the vegetation data yielded strong linear relationships with PARs already over distances of tens of metres to a few kilometres documenting the importance of the local vegetation. This indicates the importance of the often neglected trunk space component of pollen transport for small lakes. Results from the small number of large lakes suggest that these sites receive a larger absolute input of pollen from regional sources. These observations indicate that small lakes may be somewhat sheltered from pollen transported above the canopy. We demonstrate that PARs of the major tree taxa obtained from lake sediments are linear related to the lake surrounding biomass. This confirms that PAR can be used to infer past changes in plant biomass, although absolute pollen deposition may also be determined by net primary productivity of the biomass. (C) 2014 Elsevier Ltd. All rights reserved."],["dc.description.sponsorship","German Research Foundation (DFG) [GI 732/1-1]"],["dc.identifier.doi","10.1016/j.quascirev.2013.12.015"],["dc.identifier.isi","000335876900002"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/34053"],["dc.language.iso","en"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.relation.issn","0277-3791"],["dc.title","Insights into pollen source area, transport and deposition from modern pollen accumulation rates in lake sediments"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","12"],["dc.bibliographiccitation.journal","Quaternary International"],["dc.bibliographiccitation.lastpage","21"],["dc.bibliographiccitation.volume","449"],["dc.contributor.author","Alizadeh, Kamaleddin"],["dc.contributor.author","Matthias, Isabelle"],["dc.contributor.author","Rodríguez-Zorro, Paula A."],["dc.contributor.author","Hermanowski, Barbara"],["dc.contributor.author","da Costa, Marcondes Lima"],["dc.contributor.author","Behling, Hermann"],["dc.date.accessioned","2020-03-16T09:40:21Z"],["dc.date.available","2020-03-16T09:40:21Z"],["dc.date.issued","2017"],["dc.description.abstract","The vegetation history of the savanna on the plateau of Serra Sul dos Carajás (PSSC) is well studied by three palynological records. Nonetheless there is no record from the forests around this plateau so that the long term forest-savanna boundary shift can be investigated. In this study, a sediment core taken from the forests on the slopes of the plateau is studied using a multi-proxy analysis. The palynological result is compared with the records from adjacent savanna. This study reveals that well-established forests have been present around the plateau during the last 6600 cal yr BP. Since the mid-Holocene owing to a change to favorable climatic conditions, forests started to move toward the savanna and after 3400–4000 years reached their modern borders in the savanna region. Because during this long period forest borders moved horizontally a relatively short distance (ca. 250 m), we concluded that there might be limiting factors that delayed forest expansion. Among different possible factors, fire and human may play an important role. However, the evidence suggests that the slow process of soil formation to produce a soil layer with sufficient depth is the main limiting factor that delayed the forest expansion. According to the previous hydroclimatic and palaeo-ecological studies, the southward displacement of Inter Tropical Convergence Zone (ITCZ) is more likely the trigger of forest expansion in the area since the mid-Holocene."],["dc.identifier.doi","10.1016/j.quaint.2017.07.001"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/63336"],["dc.language.iso","en"],["dc.relation.issn","1040-6182"],["dc.title","Forest-savanna boundary shift on the plateau of Serra Sul dos Carajás (southeastern Amazonia) since the mid-Holocene; driving forces and limiting factors"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","471"],["dc.bibliographiccitation.issue","6"],["dc.bibliographiccitation.journal","Vegetation History and Archaeobotany"],["dc.bibliographiccitation.lastpage","484"],["dc.bibliographiccitation.volume","21"],["dc.contributor.author","Matthias, Isabelle"],["dc.contributor.author","Nielsen, Anne Birgitte"],["dc.contributor.author","Giesecke, Thomas"],["dc.date.accessioned","2018-11-07T09:04:18Z"],["dc.date.available","2018-11-07T09:04:18Z"],["dc.date.issued","2012"],["dc.description.abstract","Pollen productivity estimates (PPEs) are indispensable prerequisites for quantitative vegetation reconstructions. Estimates from different European regions show a large variability and it is uncertain whether this reflects regional differences in climate and soil or is brought about by different assessments of vegetation abundance. Forests represent a particular problem as they consist of several layers of vegetation and many tree species only start producing pollen after they have attained ages of several decades. Here we used detailed forest inventory data from north-eastern Germany to investigate the effect of flowering age and understory trees on PPEs. Pollen counts were obtained from 49 small to medium sized lakes chosen to represent the different forest types in the region. Surface samples from lakes within a closed forest of Fagus yielded disproportionate amounts of Fagus pollen, increasing its PPE and the variability of all other estimates. These samples were removed from further analysis but indicate a high trunk-space component that is not considered in the Prentice-Sugita pollen dispersal and deposition model. Results of the restricted dataset show important differences in PPEs based on the consideration of flowering age and understory position. The effect is largest for slow growing and/or late flowering trees like Fagus and Carpinus while it is minimal for species that flower early in their development like Betula and Alnus. The large relevant source area of pollen (RSAP) of 7 km obtained in this study is consistent with the landscape structure of the region."],["dc.description.sponsorship","German Research Foundation (DFG) [GI 732/1-1]"],["dc.identifier.doi","10.1007/s00334-012-0373-z"],["dc.identifier.isi","000310319600004"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/8802"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/25088"],["dc.notes.intern","Merged from goescholar"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Springer"],["dc.relation.issn","0939-6314"],["dc.rights","Goescholar"],["dc.rights.uri","https://goescholar.uni-goettingen.de/licenses"],["dc.title","Evaluating the effect of flowering age and forest structure on pollen productivity estimates"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]