Finkeldey, Reiner

[["dc.bibliographiccitation.artnumber","e0147633"],["dc.bibliographiccitation.issue","1"],["dc.bibliographiccitation.journal","PLoS ONE"],["dc.bibliographiccitation.volume","11"],["dc.contributor.author","Hodac, Ladislav"],["dc.contributor.author","Ulum, Fuad Bahrul"],["dc.contributor.author","Opfermann, Nicole"],["dc.contributor.author","Breidenbach, Natalie"],["dc.contributor.author","Hojsgaard, Diego H."],["dc.contributor.author","Tjitrosoedirdjo, Sri Sudarmiyati"],["dc.contributor.author","Vornam, Barbara"],["dc.contributor.author","Finkeldey, Reiner"],["dc.contributor.author","Hoerand, Elvira"],["dc.date.accessioned","2018-11-07T10:19:13Z"],["dc.date.available","2018-11-07T10:19:13Z"],["dc.date.issued","2016"],["dc.description.abstract","Intensive transformation of lowland rainforest into oil palm and rubber monocultures is the most common land-use practice in Sumatra (Indonesia), accompanied by invasion of weeds. In the Jambi province, Centotheca lappacea is one of the most abundant alien grass species in plantations and in jungle rubber (an extensively used agroforest), but largely missing in natural rainforests. Here, we investigated putative genetic differentiation and signatures for adaptation in the introduced area. We studied reproductive mode and ploidy level as putative factors for invasiveness of the species. We sampled 19 populations in oil palm and rubber monocultures and in jungle rubber in two regions (Bukit Duabelas and Harapan). Amplified fragment length polymorphisms (AFLP) revealed a high diversity of individual genotypes and only a weak differentiation among populations (F-ST = 0.173) and between the two regions (F-ST = 0.065). There was no significant genetic differentiation between the three land-use systems. The metapopulation of C. lappacea consists of five genetic partitions with high levels of admixture; all partitions appeared in both regions, but with different proportions. Within the Bukit Duabelas region we observed significant isolation-by-distance. Nine AFLP loci (5.3% of all loci) were under natural diversifying selection. All studied populations of C. lappacea were diploid, outcrossing and self-incompatible, without any hints of apomixis. The estimated residence time of c. 100 years coincides with the onset of rubber and oil palm planting in Sumatra. In the colonization process, the species is already in a phase of establishment, which may be enhanced by efficient selection acting on a highly diverse gene pool. In the land-use systems, seed dispersalmight be enhanced by adhesive spikelets. At present, the abundance of established populations in intensively managed land-use systems might provide opportunities for rapid dispersal of C. lappacea across rural landscapes in Sumatra, while the invasion potential in rainforest ecosystems appears to bemoderate as long as they remain undisturbed."],["dc.description.sponsorship","Open-Access-Publikationsfonds 2016"],["dc.identifier.doi","10.1371/journal.pone.0147633"],["dc.identifier.isi","000369527800157"],["dc.identifier.pmid","26807958"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/12847"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/41618"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.relation","SFB 990: Ökologische und sozioökonomische Funktionen tropischer Tieflandregenwald-Transformationssysteme (Sumatra, Indonesien)"],["dc.relation","SFB 990 | B | B03: Plant genetic diversity in tropical lowland rainforest transformation systems"],["dc.relation","SFB 990 | B | B12: Reproductive strategies of weedy flowering plants in tropical rainforest transformation systems"],["dc.relation.issn","1932-6203"],["dc.rights.access","openAccess"],["dc.subject.gro","sfb990_journalarticles"],["dc.title","Population Genetic Structure and Reproductive Strategy of the Introduced Grass Centotheca lappacea in Tropical Land-Use Systems in Sumatra"],["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","1858"],["dc.bibliographiccitation.issue","4"],["dc.bibliographiccitation.journal","Ecology and Evolution"],["dc.bibliographiccitation.lastpage","1868"],["dc.bibliographiccitation.volume","9"],["dc.contributor.author","Amandita, Fitri Y."],["dc.contributor.author","Rembold, Katja"],["dc.contributor.author","Vornam, Barbara"],["dc.contributor.author","Rahayu, Sri"],["dc.contributor.author","Siregar, Iskandar Z."],["dc.contributor.author","Kreft, Holger"],["dc.contributor.author","Finkeldey, Reiner"],["dc.date.accessioned","2019-07-09T11:50:07Z"],["dc.date.available","2019-07-09T11:50:07Z"],["dc.date.issued","2019"],["dc.description.abstract","The rapid conversion of Southeast Asian lowland rainforests into monocultures calls for the development of rapid methods for species identification to support ecological research and sustainable land-use management. Here, we investigated the utilization of DNA barcodes for identifying flowering plants from Sumatra, Indonesia. A total of 1,207 matK barcodes (441 species) and 2,376 rbcL barcodes (750 species) were successfully generated. The barcode effectiveness is assessed using four approaches: (a) comparison between morphological and molecular identification results, (b) best-close match analysis with TaxonDNA, (c) barcoding gap analysis, and (d) formation of monophyletic groups. Results show that rbcL has a much higher level of sequence recoverability than matK (95% and 66%). The comparison between morphological and molecular identifications revealed that matK and rbcL worked best assigning a plant specimen to the genus level. Estimates of identification success using best-close match analysis showed that >70% of the investigated species were correctly identified when using single barcode. The use of two-loci barcodes was able to increase the identification success up to 80%. The barcoding gap analysis revealed that neither matK nor rbcL succeeded to create a clear gap between the intraspecific and interspecific divergences. However, these two barcodes were able to discriminate at least 70% of the species from each other. Fifteen genera and twenty-one species were found to be nonmonophyletic with both markers. The two-loci barcodes were sufficient to reconstruct evolutionary relationships among the plant taxa in the study area that are congruent with the broadly accepted APG III phylogeny."],["dc.identifier.doi","10.1002/ece3.4875"],["dc.identifier.pmid","30847077"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/15864"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/59706"],["dc.language.iso","en"],["dc.notes.intern","Merged from goescholar"],["dc.relation","SFB 990: Ökologische und sozioökonomische Funktionen tropischer Tieflandregenwald-Transformationssysteme (Sumatra, Indonesien)"],["dc.relation","SFB 990 | B | B06: Taxonomische, funktionelle, phylogenetische und biogeographische Diversität vaskulärer Pflanzen in Regenwald-Transformationssystemen auf Sumatra (Indonesien)"],["dc.relation","SFB 990 | Z | Z02: Central Scientific Support Unit"],["dc.relation.issn","2045-7758"],["dc.rights","CC BY 4.0"],["dc.rights.uri","https://creativecommons.org/licenses/by/4.0"],["dc.subject.ddc","630"],["dc.subject.gro","sfb990_journalarticles"],["dc.title","DNA barcoding of flowering plants in Sumatra, Indonesia"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.subtype","original_ja"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]