Saborowski, Joachim

[["dc.bibliographiccitation.firstpage","1697"],["dc.bibliographiccitation.issue","4"],["dc.bibliographiccitation.journal","Plant Physiology"],["dc.bibliographiccitation.lastpage","1709"],["dc.bibliographiccitation.volume","154"],["dc.contributor.author","Brinker, Monika"],["dc.contributor.author","Brosche, Mikael"],["dc.contributor.author","Vinocur, Basia"],["dc.contributor.author","Abo-Ogiala, Atef"],["dc.contributor.author","Fayyaz, Payam"],["dc.contributor.author","Janz, Dennis"],["dc.contributor.author","Ottow, Eric A."],["dc.contributor.author","Cullmann, Andreas D."],["dc.contributor.author","Saborowski, Joachim"],["dc.contributor.author","Kangasjärvi, Jaakko"],["dc.contributor.author","Altman, Arie"],["dc.contributor.author","Polle, Andrea"],["dc.date.accessioned","2017-09-07T11:49:11Z"],["dc.date.available","2017-09-07T11:49:11Z"],["dc.date.issued","2010"],["dc.description.abstract","To investigate early salt acclimation mechanisms in a salt-tolerant poplar species (Populus euphratica), the kinetics of molecular, metabolic, and physiological changes during a 24-h salt exposure were measured. Three distinct phases of salt stress were identified by analyses of the osmotic pressure and the shoot water potential: dehydration, salt accumulation, and osmotic restoration associated with ionic stress. The duration and intensity of these phases differed between leaves and roots. Transcriptome analysis using P. euphratica-specific microarrays revealed clusters of coexpressed genes in these phases, with only 3% overlapping salt-responsive genes in leaves and roots. Acclimation of cellular metabolism to high salt concentrations involved remodeling of amino acid and protein biosynthesis and increased expression of molecular chaperones (dehydrins, osmotin). Leaves suffered initially from dehydration, which resulted in changes in transcript levels of mitochondrial and photosynthetic genes, indicating adjustment of energy metabolism. Initially, decreases in stress-related genes were found, whereas increases occurred only when leaves had restored the osmotic balance by salt accumulation. Comparative in silico analysis of the poplar stress regulon with Arabidopsis (Arabidopsis thaliana) orthologs was used as a strategy to reduce the number of candidate genes for functional analysis. Analysis of Arabidopsis knockout lines identified a lipocalin-like gene (AtTIL) and a gene encoding a protein with previously unknown functions (AtSIS) to play roles in salt tolerance. In conclusion, by dissecting the stress transcriptome of tolerant species, novel genes important for salt endurance can be identified."],["dc.identifier.doi","10.1104/pp.110.164152"],["dc.identifier.gro","3147214"],["dc.identifier.pmid","20959419"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/7447"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/4847"],["dc.language.iso","en"],["dc.notes.intern","Merged from goescholar"],["dc.notes.status","final"],["dc.notes.submitter","chake"],["dc.relation.issn","0032-0889"],["dc.relation.orgunit","Abteilung Ökosystemmodellierung"],["dc.rights","Goescholar"],["dc.rights.uri","https://goescholar.uni-goettingen.de/licenses"],["dc.title","Linking the Salt Transcriptome with Physiological Responses of a Salt-Resistant Populus Species as a Strategy to Identify Genes Important for Stress Acclimation"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","no"],["dc.type.subtype","original_ja"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","1979"],["dc.bibliographiccitation.issue","6"],["dc.bibliographiccitation.journal","European Journal of Forest Research"],["dc.bibliographiccitation.lastpage","1990"],["dc.bibliographiccitation.volume","131"],["dc.contributor.author","von Luepke, Nikolas"],["dc.contributor.author","Hansen, Jan"],["dc.contributor.author","Saborowski, Joachim"],["dc.date.accessioned","2018-11-07T09:03:45Z"],["dc.date.available","2018-11-07T09:03:45Z"],["dc.date.issued","2012"],["dc.description.abstract","For a current inventory using double sampling for stratification with a reduced second-phase sample size, compared with a previous inventory, we develop a three-phase sampling procedure that exploits plot data from the previous inventory or their updates based on a growth model to increase precision. The three-phase procedure combines double sampling for stratification with a two-phase regression estimator within strata. We consider sampling from an infinite population in the first phase. The combined estimator is tested in a case study using data from two consecutive inventories in four State Forest Districts in Lower Saxony, Germany. Data from a reduced number of sample plots from the second occasion are combined with (1) volumes from the first occasion or (2) growth simulations on the sample plots from the first occasion. The data from the previous inventory or their updates serve as the auxiliary variable for the regression estimator of the strata means of the target variable. This case study indicates a remarkable increase in precision and thereby an enormous cost-saving potential for reduced intermediate inventories in a periodic inventory design with both types of auxiliary variables."],["dc.description.sponsorship","German Science Foundation (DFG) [Sachbeihilfe SA 415/5-1]"],["dc.identifier.doi","10.1007/s10342-012-0648-z"],["dc.identifier.isi","000313036900027"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/8836"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/24962"],["dc.language.iso","en"],["dc.notes.intern","Merged from goescholar"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.relation.issn","1612-4669"],["dc.relation.orgunit","Abteilung Ökosystemmodellierung"],["dc.rights","Goescholar"],["dc.rights.uri","https://goescholar.uni-goettingen.de/licenses"],["dc.subject.gro","Continuous forest inventory"],["dc.subject.gro","Double sampling for regression"],["dc.subject.gro","Double sampling for stratification"],["dc.subject.gro","Forest growth models"],["dc.title","A three-phase sampling procedure for continuous forest inventory with partial re-measurement and updating of terrestrial sample plots"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.subtype","original_ja"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","241"],["dc.bibliographiccitation.issue","3"],["dc.bibliographiccitation.journal","European Journal of Forest Research"],["dc.bibliographiccitation.lastpage","251"],["dc.bibliographiccitation.volume","128"],["dc.contributor.author","Nothdurft, Arne"],["dc.contributor.author","Saborowski, Joachim"],["dc.contributor.author","Breidenbach, Johannes"],["dc.date.accessioned","2018-11-07T08:30:14Z"],["dc.date.available","2018-11-07T08:30:14Z"],["dc.date.issued","2009"],["dc.description.abstract","This study aims at the development of a model to predict forest stand variables in management units (stands) from sample plot inventory data. For this purpose we apply a non-parametric most similar neighbour (MSN) approach. The study area is the municipal forest of Waldkirch, 13 km north-east of Freiburg, Germany, which comprises 328 forest stands and 834 sample plots. Low-resolution laser scanning data, classification variables as well rough estimations from the forest management planning serve as auxiliary variables. In order to avoid common problems of k-NN-approaches caused by asymmetry at the boundaries of the regression spaces and distorted distributions, forest stands are tessellated into subunits with an area approximately equivalent to an inventory sample plot. For each subunit only the one nearest neighbour is consulted. Predictions for target variables in stands are obtained by averaging the predictions for all subunits. After formulating a random parameter model with variance components, we calibrate the prior predictions by means of sample plot data within the forest stands via BLUPs (best linear unbiased predictors). Based on bootstrap simulations, prediction errors for most management units finally prove to be smaller than the design-based sampling error of the mean. The calibration approach shows superiority compared with pure non-parametric MSN predictions."],["dc.identifier.doi","10.1007/s10342-009-0260-z"],["dc.identifier.isi","000264945100004"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?goescholar/3570"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/16844"],["dc.language.iso","en"],["dc.notes.intern","Merged from goescholar"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.relation.issn","1612-4677"],["dc.relation.issn","1612-4669"],["dc.relation.orgunit","Abteilung Ökosystemmodellierung"],["dc.rights","Goescholar"],["dc.rights.uri","https://goescholar.uni-goettingen.de/licenses"],["dc.subject.gro","BLUP"],["dc.subject.gro","Calibration method"],["dc.subject.gro","Forest inventory"],["dc.subject.gro","Imputation"],["dc.subject.gro","Laser data"],["dc.subject.gro","Lidar"],["dc.subject.gro","k-NN"],["dc.title","Spatial prediction of forest stand variables"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.subtype","original_ja"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","1"],["dc.bibliographiccitation.issue","7"],["dc.bibliographiccitation.journal","BMC Ecology"],["dc.bibliographiccitation.lastpage","15"],["dc.bibliographiccitation.volume","15"],["dc.contributor.author","Schäffler, Livia"],["dc.contributor.author","Saborowski, Joachim"],["dc.contributor.author","Kappeler, Peter"],["dc.date.accessioned","2017-09-07T11:48:23Z"],["dc.date.available","2017-09-07T11:48:23Z"],["dc.date.issued","2015"],["dc.description.abstract","BackgroundSpatio-temporal distribution patterns of species in response to natural and anthropogenic drivers provide insight into the ecological processes that determine community composition. We investigated determinants of ecological structure in a species assemblage of 4 closely related primate species of the family Cheirogaleidae (Microcebus berthae, Microcebus murinus, Cheirogaleus medius, Mirza coquereli) in western Madagascar by extensive line transect surveys across spatial and temporal heterogeneities with the specific goal of elucidating the mechanisms stabilizing competitive coexistence of the two mouse lemur species (Microcebus spp.).ResultsInterspecific competition between the mouse lemurs was indicated by negative spatial associations in degraded habitat and by habitat partitioning along anthropogenic disturbance gradients during dry seasons with resource scarcity. In non-degraded habitat, intraguild predator M. coquereli, but not C. medius, was negatively associated with M. murinus on the population level, whereas its regional distribution overlapped spatially with that of M. berthae. The species’ interspecific distribution pattern across spatial and temporal heterogeneities corresponded to predictions for agent-mediated coexistence and thus confirmed M. coquereli’s stabilizing impact on the coexistence of mouse lemurs.ConclusionsInterspecific interactions contribute to ecological structure in this cheirogaleid assemblage and determinants vary across spatio-temporal heterogeneities. Coexistence of Microcebus spp. is stabilized by an agent-mediated spatial storage effect: M. coquereli creates refuges from competition for M. berthae in intact habitat, whereas anthropogenic environments provide M. murinus with an escape from resource competition and intraguild predation. Species persistence in the assemblage therefore depends on the conservation of habitat content and context that stabilizing mechanisms rely on. Our large-scale population level approach did not allow for considering all potential functional and stochastic drivers of ecological structure, a key limitation that accounts for the large proportion of unexplained variance in our models."],["dc.identifier.doi","10.1186/s12898-015-0040-1"],["dc.identifier.gro","3150788"],["dc.identifier.pmid","25888023"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/12468"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/7579"],["dc.language.iso","en"],["dc.notes.status","final"],["dc.relation.issn","1472-6785"],["dc.relation.orgunit","Abteilung Ökosystemmodellierung"],["dc.relation.orgunit","Abteilung Ökoinformatik, Biometrie und Waldwachstum"],["dc.rights.access","openAccess"],["dc.rights.holder","Schäffler et al.; licensee BioMed Central."],["dc.subject.gro","Agent-mediated coexistence"],["dc.subject.gro","Competition"],["dc.subject.gro","Ecological structure"],["dc.subject.gro","Interspecific interactions"],["dc.subject.gro","Intraguild predation"],["dc.subject.gro","Lemurs"],["dc.subject.gro","Spatial storage effect"],["dc.subject.gro","Species assemblage"],["dc.title","Agent-mediated spatial storage effect in heterogeneous habitat stabilizes competitive mouse lemur coexistence in Menabe Central, Western Madagascar"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.subtype","original_ja"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","220"],["dc.bibliographiccitation.journal","Global Ecology and Conservation"],["dc.bibliographiccitation.lastpage","229"],["dc.bibliographiccitation.volume","8"],["dc.contributor.author","Dao, Thi Hoa Hong"],["dc.contributor.author","Saborowski, Joachim"],["dc.contributor.author","Hölscher, Dirk"],["dc.date.accessioned","2017-09-07T11:45:48Z"],["dc.date.available","2017-09-07T11:45:48Z"],["dc.date.issued","2016"],["dc.description.abstract","In tropical forest conservation, areas with full statutory protection are often surrounded by buffer zones. Information on the patterns of tree community structure differences in these zones is helpful to evaluate the conservation efficacy. Our study was implemented within a biodiversity hotspot, in the Ta Xua Nature Reserve of north-western Vietnam, which has a statutorily protected core zone and a buffer zone, where local H’Mong people are permitted low intensity forest use. The forests are rich in tree species (249 observed). Many of these tree species provide non-timber forest products (NTFPs) (48%) or valuable timber (22%), and 18 species are red-listed. Overall tree density was not different in the two zones, but tree diameter and species richness were lower in the buffer zone. At the tree level, logistic regression analysis indicated that red-listed status, large diameter, and low density of conspecifics increased the probability of tree absence from the buffer zone but not the potential use as a NTFP. However, most NTFP species had different densities in the core and buffer zones, and this correlated with signs of human interference. At the species level, the density of species was the most important variable, and rarity strongly increased the probability of species absence. Our results also indicate that rare and red-listed trees were depleted in the buffer zone. In consideration of conservation goals, the future monitoring of these species at the Ta Xua Nature Reserve and other protected areas is needed, and conservation measures most likely need to be improved."],["dc.description.sponsorship","Open-Access-Publikationsfonds 2016"],["dc.identifier.doi","10.1016/j.gecco.2016.09.011"],["dc.identifier.gro","3149105"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/14093"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/5753"],["dc.language.iso","en"],["dc.notes.intern","Hoelscher Crossref import"],["dc.notes.intern","Merged from goescholar"],["dc.notes.status","final"],["dc.notes.submitter","chake"],["dc.relation.issn","2351-9894"],["dc.relation.orgunit","Abteilung Ökosystemmodellierung"],["dc.relation.orgunit","Abteilung Ökoinformatik, Biometrie und Waldwachstum"],["dc.rights","CC BY-NC-ND 4.0"],["dc.rights.uri","https://creativecommons.org/licenses/by-nc-nd/4.0"],["dc.subject.gro","Conservation"],["dc.subject.gro","Diversity"],["dc.subject.gro","Logistic model"],["dc.subject.gro","Non-timber forest products"],["dc.subject.gro","Rarity"],["dc.subject.gro","Timber"],["dc.title","Patterns of tree community differences in the core and buffer zones of a nature reserve in north-western Vietnam"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","no"],["dc.type.subtype","original_ja"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]