Bergmeier, Erwin

[["dc.bibliographiccitation.firstpage","743"],["dc.bibliographiccitation.issue","5"],["dc.bibliographiccitation.journal","Journal of Vegetation Science"],["dc.bibliographiccitation.lastpage","750"],["dc.bibliographiccitation.volume","18"],["dc.contributor.author","Tsiripidis, Ioannis"],["dc.contributor.author","Bergmeier, Erwin"],["dc.contributor.author","Dimopoulos, Panayotis"],["dc.date.accessioned","2018-11-07T10:58:14Z"],["dc.date.available","2018-11-07T10:58:14Z"],["dc.date.issued","2007"],["dc.description.abstract","Question: Which are the gradients of floristic differentiation in Greek beech ( Fagus sylvatica) forests? Which is the role of geographical and ecological factors in this differentiation? Location: Beech forests of the plant geographical regions Northeast, North Central and East Central Greece. Methods: A total of 1404 published and unpublished phytosociological releves were used in the analyses. TWINSPAN and DCA were applied to classify and ordinate the releves. Altitude, Indicator Values of releves and their X and Y coordinates were used in a posteriori interpretation of the ordination axes. Kendall ' s correlation coeffcients were calculated between DCA releve scores and explanatory variables. Multiple linear regression was used to partition the variation explained by the. rst two DCA axes, between the geographical and the ecological variables. Results: Classiffication resulted in 14 vegetation units defined by species composition. Two types of gradients, ecological and geographical, were revealed by the DCA of all releves. The partition of the variation accounted for by the. rst and second DCA axis was attributed mainly to ecological and geographical variables, respectively. Conclusions: Beech forests of northeast and Central Greece show phytogeographical differences, while ecologically similar vegetation units occur in both regions. A west-east gradient is revealed in Greek beech forest vegetation. The extent of the study area, its position along regional gradients and the comprehensiveness of the data set that is analysed determine the types of the gradients which can be revealed in a vegetation study."],["dc.identifier.doi","10.1111/j.1654-1103.2007.tb02589.x"],["dc.identifier.isi","000248293400015"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/50433"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Wiley-blackwell"],["dc.relation.issn","1654-1103"],["dc.relation.issn","1100-9233"],["dc.title","Geographical and ecological differentiation in Greek Fagus forest vegetation"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","228"],["dc.bibliographiccitation.issue","2"],["dc.bibliographiccitation.journal","Plant Biosystems - An International Journal Dealing with all Aspects of Plant Biology"],["dc.bibliographiccitation.lastpage","254"],["dc.bibliographiccitation.volume","142"],["dc.contributor.author","Bergmeier, E."],["dc.contributor.author","Dimopoulos, Panayotis"],["dc.date.accessioned","2018-11-07T11:20:39Z"],["dc.date.available","2018-11-07T11:20:39Z"],["dc.date.issued","2008"],["dc.description.abstract","Thermophilous deciduous forest is widespread in northern mainland Greece and extends in patches further south to Peloponnisos and the bigger islands. In this paper, we provide a phytosociological survey of the plant communities of deciduous oak and mixed forest throughout Greece, based on about 370 releves from the literature and more than 300 personal unpublished ones. Assocation names of the thermophilous deciduous forest are re-evaluated, and syntaxonomic conclusions added. The releves are classified, and 13 associations and several additional subtypes described and presented in synoptic constancy tables. The following associations were recognized, and characterized by species composition, ecology and distribution: 1. Phillyreo-Carpinetum orientalis, 2. Dryopterido pallidae-Ostryetum carpinifoliae, 3. Tilio tomentosae-Castanetum; 4. Genisto carinalis-Quercetum petraeae, 5. Querco frainetto-Castanetum, 6. Cytiso villosi-Castanetum; 7. Lathyro laxiflori-Castanetum; 8. Symphyto ottomani-Quercetum frainetto, 9. Verbasco glabrati-Quercetum frainetto; 10. Huetio cynapioidis-Quercetum frainetto; 11. Digitali viridiflorae-Quercetum frainetto; 12. Geranio asphodeloidis-Quercetum frainetto; 13. Oenantho pimpinelloidis-Quercetum frainetto. Associations 1-2 are assigned to the alliance Fraxino orni-Ostryion, 4-6 and 8-13 to the Quercion frainetto (both Quercetalia pubescentis), 3 interim to the Tilio-Acerion, and 7 to the Quercetalia ilicis. The two Quercetalia pubescentis alliances co-occur in northern Greece; their habitats differ chiefly in terms of soil conditions, bedrock and topography, rather than in overall climatic character."],["dc.identifier.doi","10.1080/11263500802150357"],["dc.identifier.isi","000258265900006"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/55591"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Taylor & Francis Ltd"],["dc.relation.issn","1126-3504"],["dc.title","Identifying plant communities of thermophilous deciduous forest in Greece: Species composition, distribution, ecology and syntaxonomy"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","47"],["dc.bibliographiccitation.journal","Journal of Biological Research-Thessaloniki"],["dc.bibliographiccitation.lastpage","57"],["dc.bibliographiccitation.volume","15"],["dc.contributor.author","Chaideftou, Evgenia"],["dc.contributor.author","Thanos, Costas A."],["dc.contributor.author","Bergmeier, Erwin"],["dc.contributor.author","Kallimanis, Athanasios S."],["dc.contributor.author","Dimopoulos, Panayotis"],["dc.date.accessioned","2018-11-07T09:01:31Z"],["dc.date.available","2018-11-07T09:01:31Z"],["dc.date.issued","2011"],["dc.description.abstract","We investigated the potential contribution of the persistent soil seed bank in post-disturbance restoration of the herb layer in a long-term overgrazed, mixed oak forest (NW Greece). We examined the impacts of grazing on plant richness and density in the soil seed bank in regard to the different dispersal and life strategy types of the herb layer taxa. Soil seed bank was qualitatively and quantitatively analyzed and contrasting plant guilds were defined according to life strategy type and dispersal mode. Soil seed bank differences between a) the upper and lower soil layers and b) plant functional guild pairs (ruderals vs. non ruderals, including typical forest taxa, and physically-vs. animal-dispersed plants) were statistically tested in overgrazed and sporadically grazed plots. Moreover, correlations in soil seed bank species dominance between overgrazed and sporadically grazed plots were examined by Spearman's Rank correlation. The majority of seeds were found in the upper (0-5 cm) soil layer. Seed density in the deeper (5-10 cm) soil layer was rather poor and did not differ significantly between overgrazed and sporadically grazed plots. In the upper soil layer, both seed density and plant species richness were significantly lower in the overgrazed plots. Overgrazing reduced both species richness and seed density of non-ruderal species in general and typical forest herbs in particular, while it did not affect ruderal species richness and density. Plant species richness and seed density of animal-dispersed taxa were reduced by overgrazing while physically-dispersed species were not affected; it is therefore concluded that large herds of grazers fenced in relatively small areas cannot act as efficient dispersal vectors of the former species. Our findings suggest that, upon cessation of grazing, the soil seed bank is rather inadequate to restore the herb layer of overgrazed forest sites."],["dc.identifier.isi","000289718800005"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/24450"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Aristotle Univ Thessaloniki"],["dc.relation.issn","1790-045X"],["dc.title","The herb layer restoration potential of the soil seed bank in an overgrazed oak forest"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","255"],["dc.bibliographiccitation.issue","1"],["dc.bibliographiccitation.journal","Plant Ecology"],["dc.bibliographiccitation.lastpage","265"],["dc.bibliographiccitation.volume","201"],["dc.contributor.author","Chaideftou, Evgenia"],["dc.contributor.author","Thanos, Costas A."],["dc.contributor.author","Bergmeier, Erwin"],["dc.contributor.author","Kallimanis, Athanasios S."],["dc.contributor.author","Dimopoulos, Panayotis"],["dc.date.accessioned","2018-11-07T08:32:28Z"],["dc.date.available","2018-11-07T08:32:28Z"],["dc.date.issued","2009"],["dc.description.abstract","We investigate the persistent soil seed bank composition and its relation to the above-ground flora of grazed and non-grazed sub-Mediterranean deciduous oak forests of NW Greece. Twenty-eight taxa were recorded in the soil seed bank and 83 taxa (70 taxa in plots of seed bank sampling) in the above-ground vegetation. The dominant tree species and many woodland species found in the above-ground vegetation were absent from the soil seed bank. Similarity between the soil seed bank and the above-ground vegetation decreased with grazing, and grazing led to a decrease of species richness in above-ground vegetation and soil seed bank. Beta diversity of vegetation among grazed and among non-grazed plots did not differ, but was significantly higher between grazed and non-grazed areas. Beta diversity of the soil seed bank declined with grazing. When applying classification tree and logistic regression analyses, non-grazed forest sites are clearly differentiated by the presence of Phillyrea latifolia, Euphorbia amygdaloides and Brachypodium sylvaticum. PCA ordination of above-ground species composition reflected a gradient from sites grazed by ruminants to non-grazed sites, but no clear structure was detected in the seed bank."],["dc.identifier.doi","10.1007/s11258-008-9548-1"],["dc.identifier.isi","000263175800020"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/17348"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Springer"],["dc.relation.issn","1573-5052"],["dc.relation.issn","1385-0237"],["dc.title","Seed bank composition and above-ground vegetation in response to grazing in sub-Mediterranean oak forests (NW Greece)"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","253"],["dc.bibliographiccitation.issue","4"],["dc.bibliographiccitation.journal","Annales de Limnologie - International Journal of Limnology"],["dc.bibliographiccitation.lastpage","266"],["dc.bibliographiccitation.volume","44"],["dc.contributor.author","Zacharias, I."],["dc.contributor.author","Parasidoy, A."],["dc.contributor.author","Bergmeier, E."],["dc.contributor.author","Kehayias, G."],["dc.contributor.author","Dimitriou, E."],["dc.contributor.author","Dimopoulos, Panayotis"],["dc.date.accessioned","2018-11-07T11:19:22Z"],["dc.date.available","2018-11-07T11:19:22Z"],["dc.date.issued","2008"],["dc.description.abstract","Mediterranean Temporary Ponds (MTPs) are priority habitats (Natura 2000) of great importance according to the European Legislation (Habitats Directive 92/43/EEC). They are being destroyed mostly because Of public ignorance of their significant value. Today, MTPs are Subject to high pressures from several human activities (agriculture, livestock, tourism etc.). In this work, the \"Drivers-Pressures-State-impacts-Responses\" (DPSIR) model has been used, because it allows to evaluate the impact of the human socioeconomic pressure. We estimated the present condition of West Crete's MTPs, in order to propose management practices for their restoration. A comparison with the Greek and European MTPs is also developed."],["dc.description.sponsorship","LIFE Nature project"],["dc.identifier.doi","10.1051/limn:2008009"],["dc.identifier.isi","000262148700004"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/55260"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Edp Sciences S A"],["dc.relation.issn","0003-4088"],["dc.title","A \"DPSIR\" model for Mediterranean temporary ponds: European, national and local scale comparisons"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","88"],["dc.bibliographiccitation.issue","1"],["dc.bibliographiccitation.journal","Community Ecology"],["dc.bibliographiccitation.lastpage","96"],["dc.bibliographiccitation.volume","13"],["dc.contributor.author","Chaideftou, Evgenia"],["dc.contributor.author","Kallimanis, Athanasios S."],["dc.contributor.author","Bergmeier, Erwin"],["dc.contributor.author","Dimopoulos, Panayotis"],["dc.date.accessioned","2018-11-07T09:09:46Z"],["dc.date.available","2018-11-07T09:09:46Z"],["dc.date.issued","2012"],["dc.description.abstract","Over millions of years there is a long-term increase in species richness, accompanied by substantial turnover in species composition. However, little is known about species temporal turnover over shorter, ecologically relevant time periods, such as years. In the present study, we examine the inter-annual temporal turnover in species composition in 100 m(2) plots of the herbaceous layer in a submediterranean oak woodland over six years. We found that approximately half of the accumulated number of species over the six years is accommodated as temporal turnover. We also found that species temporal turnover in undisturbed control plots was not significantly different from that in plots where vegetation was recovering naturally without assistance, i.e., plots undergoing ecological succession. Only in the most disturbed (continuously overgrazed) plots temporal turnover was low to non-existent. We therefore suggest that diversity estimates based on a single year of observations may seriously underestimate species richness or the detrimental effects of disturbance, at least at the 100 m(2) scale. Furthermore, we found that, with the exception of the heavily grazed plots, short-lived species (annuals and biennials) did not display significantly greater temporal turnover than long-lived (perennial) species. Our analysis also supports that the space for time substitution applies in the patterns of species turnover. Spatial species turnover was comparable to temporal turnover. Species that are observed in many plots are also present in many years, and vice versa. Also, the similarity in species composition decreased as the time period between observations increased, as is the case with distance decay. Overall we conclude that the patterns of species turnover in time resemble those in space, and thus temporal turnover makes an important contribution to total biodiversity that should not be ignored."],["dc.identifier.doi","10.1556/ComEc.13.2012.1.11"],["dc.identifier.isi","000305074400011"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/26337"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.relation.issn","1585-8553"],["dc.title","How does plant species composition change from year to year? A case study from the herbaceous layer of a submediterranean oak woodland"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","233"],["dc.bibliographiccitation.issue","2"],["dc.bibliographiccitation.journal","Journal of Vegetation Science"],["dc.bibliographiccitation.lastpage","240"],["dc.bibliographiccitation.volume","20"],["dc.contributor.author","Tsiripidis, Ioannis"],["dc.contributor.author","Bergmeier, Erwin"],["dc.contributor.author","Fotiadis, Georgios"],["dc.contributor.author","Dimopoulos, Panayotis"],["dc.date.accessioned","2018-11-07T08:31:13Z"],["dc.date.available","2018-11-07T08:31:13Z"],["dc.date.issued","2009"],["dc.description.abstract","How can we determine differential taxa in a vegetation data set? The new algorithm presented here uses an intuitive fidelity threshold based on relative constancy differences. It is tested on a simulated and a real data set. The results of the proposed algorithm are discussed in comparison with other methods used for the determination of differential taxa. The new algorithm defines each taxon in each group of relevEs as: (1) positively differentiating, (2) positively-negatively differentiating, (3) negatively differentiating, or (4) non-differentiating. Each taxon in a data set may be: (1) positively, positively-negatively or negatively differentiating for each group in the data set, (2) differentiating for some groups and non-differentiating for the remaining groups, or (3) non-differentiating for all groups in the data set. The new algorithm finds the relevE groups that are positively differentiated against other groups that are negatively differentiated. It reveals differentiating structures in the data set and thus makes quantification of the relations among and between different syntaxonomic ranks conceivable. As it distinguishes between different types of differential taxa, it might improve standards of typification in vegetation classification."],["dc.identifier.doi","10.1111/j.1654-1103.2009.05273.x"],["dc.identifier.isi","000264568200005"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/17073"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Wiley-blackwell Publishing, Inc"],["dc.relation.issn","1100-9233"],["dc.title","A new algorithm for the determination of differential taxa"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","65"],["dc.bibliographiccitation.issue","2"],["dc.bibliographiccitation.journal","Acta Oecologica"],["dc.bibliographiccitation.lastpage","70"],["dc.bibliographiccitation.volume","37"],["dc.contributor.author","Kallimanis, Athanasios S."],["dc.contributor.author","Panitsa, M."],["dc.contributor.author","Bergmeier, E."],["dc.contributor.author","Dimopoulos, Panayotis"],["dc.date.accessioned","2018-11-07T08:58:27Z"],["dc.date.available","2018-11-07T08:58:27Z"],["dc.date.issued","2011"],["dc.description.abstract","Recently, Emerson and Kolm (2005) hypothesized that diversity begets speciation (DBS hypothesis). The relationship between total species richness and single island endemic diversity (as a proportion of the total species richness of the island) has been used as evidence for the DBS hypothesis. This relationship has been documented in oceanic archipelagos, but many criticisms have been raised on whether this relationship truly supports the DBS hypothesis. In this study we tested if this hypothesis holds in the Aegean archipelago (a continental archipelago with continuous human presence over millennia). Endemism in the Aegean includes mainly neo-endemic species but also relictual populations of formerly more widespread species (i.e. palaeo-endemics). Contrary to the DBS hypothesis, we found that total species richness was not significantly correlated to single island endemics (neither neo-endemics nor palaeo-endemics) as a proportion of the island flora. Furthermore, we found that neo-endemic diversity (either as species richness or as a proportion of the islands flora) is mainly correlated to island maximum elevation, while area and isolation were less important. So if this ratio is indeed an index of speciation, then an alternative explanation might be that elevation (interpreted as a proxy for habitat heterogeneity) is the driver of speciation in our case. Palaeo-endemics, on the other hand, were present in only six of the largest islands in the Aegean and their diversity was strongly correlated only with island area, perhaps implying that larger islands support larger population sizes that buffer stochastic extinctions risks. (C) 2010 Elsevier Masson SAS. All rights reserved."],["dc.identifier.doi","10.1016/j.actao.2010.11.008"],["dc.identifier.isi","000288767800003"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/23645"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.relation.issn","1873-6238"],["dc.relation.issn","1146-609X"],["dc.title","Examining the relationship between total species richness and single island palaeo- and neo-endemics"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","869"],["dc.bibliographiccitation.issue","3"],["dc.bibliographiccitation.journal","Biodiversity and Conservation"],["dc.bibliographiccitation.lastpage","891"],["dc.bibliographiccitation.volume","29"],["dc.contributor.author","Panitsa, Maria"],["dc.contributor.author","Iliadou, Eleni"],["dc.contributor.author","Kokkoris, Ioannis"],["dc.contributor.author","Kallimanis, Athanasios"],["dc.contributor.author","Patelodimou, Constantia"],["dc.contributor.author","Strid, Arne"],["dc.contributor.author","Raus, Thomas"],["dc.contributor.author","Bergmeier, Erwin"],["dc.contributor.author","Dimopoulos, Panayotis"],["dc.date.accessioned","2020-12-10T14:11:23Z"],["dc.date.available","2020-12-10T14:11:23Z"],["dc.date.issued","2019"],["dc.identifier.doi","10.1007/s10531-019-01915-4"],["dc.identifier.eissn","1572-9710"],["dc.identifier.issn","0960-3115"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/71065"],["dc.language.iso","en"],["dc.notes.intern","DOI Import GROB-354"],["dc.title","Distribution patterns of ruderal plant diversity in Greece"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]