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  • 1.
    Bisang, Irene
    et al.
    Naturhistoriska riksmuseet, Enheten för botanik.
    Hedenäs, Lars
    Naturhistoriska riksmuseet, Enheten för botanik.
    Drepanocladus turgescens (T. Jensen) Broth. doch im Engadin2017Inngår i: Meylania, ISSN 1018-8142, Vol. 59, s. 9-13Artikkel i tidsskrift (Annet (populærvitenskap, debatt, mm))
  • 2.
    Danielsson, Sara
    et al.
    Naturhistoriska riksmuseet, Enheten för miljöforskning och övervakning.
    Benskin, Jonathan
    Department of Environmental Science and Analytical Chemistry, Stockholm University.
    Bignert, Anders
    Naturhistoriska riksmuseet, Enheten för miljöforskning och övervakning.
    Bizkarguenaga, Ekhine
    Department of Environmental Science and Analytical Chemistry, Stockholm University..
    de Wit, Cynthia
    Department of Environmental Science and Analytical Chemistry, Stockholm University..
    Egebäck, Anna-Lena
    Department of Environmental Science and Analytical Chemistry, Stockholm University..
    Eriksson, Ulla
    Department of Environmental Science and Analytical Chemistry, Stockholm University..
    Faxneld, Suzanne
    Naturhistoriska riksmuseet, Enheten för miljöforskning och övervakning.
    Hjelmquist, Pär
    Department of Environmental Science and Analytical Chemistry, Stockholm University..
    Johansson, Ann-Marie
    Department of Environmental Science and Analytical Chemistry, Stockholm University..
    Jones, Douglas
    Naturhistoriska riksmuseet, Enheten för miljöforskning och övervakning.
    Kruså, Martin
    Department of Environmental Science and Analytical Chemistry, Stockholm University..
    Kylberg, Eva
    Naturhistoriska riksmuseet, Enheten för miljöforskning och övervakning.
    Mechedal, Jan
    Department of Environmental Science and Analytical Chemistry, Stockholm University..
    Nyberg, Elisabeth
    Naturhistoriska riksmuseet, Enheten för miljöforskning och övervakning.
    Sundbom, Marcus
    Department of Environmental Science and Analytical Chemistry, Stockholm University..
    Distribution and conversions of metal- and POP concentrations among various tissues in herring2018Rapport (Annet vitenskapelig)
  • 3. Díez, Beatriz
    et al.
    Nylander, Johan A A
    Naturhistoriska riksmuseet, Enheten för bioinformatik och genetik. BILS.
    Ininbergs, Karolina
    Dupont, Christopher L
    Allen, Andrew E
    Yooseph, Shibu
    Rusch, Douglas B
    Bergman, Birgitta
    Metagenomic Analysis of the Indian Ocean Picocyanobacterial Community: Structure, Potential Function and Evolution.2016Inngår i: PLoS ONE, ISSN 1932-6203, E-ISSN 1932-6203, Vol. 11, nr 5Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Unicellular cyanobacteria are ubiquitous photoautotrophic microbes that contribute substantially to global primary production. Picocyanobacteria such as Synechococcus and Prochlorococcus depend on chlorophyll a-binding protein complexes to capture light energy. In addition, Synechococcus has accessory pigments organized into phycobilisomes, and Prochlorococcus contains chlorophyll b. Across a surface water transect spanning the sparsely studied tropical Indian Ocean, we examined Synechococcus and Prochlorococcus occurrence, taxonomy and habitat preference in an evolutionary context. Shotgun sequencing of size fractionated microbial communities from 0.1 μm to 20 μm and subsequent phylogenetic analysis indicated that cyanobacteria account for up to 15% of annotated reads, with the genera Prochlorococcus and Synechococcus comprising 90% of the cyanobacterial reads, even in the largest size fraction (3.0-20 mm). Phylogenetic analyses of cyanobacterial light-harvesting genes (chl-binding pcb/isiA, allophycocyanin (apcAB), phycocyanin (cpcAB) and phycoerythin (cpeAB)) mostly identified picocyanobacteria clades comprised of overlapping sequences obtained from Indian Ocean, Atlantic and/or Pacific Oceans samples. Habitat reconstructions coupled with phylogenetic analysis of the Indian Ocean samples suggested that large Synechococcus-like ancestors in coastal waters expanded their ecological niche towards open oligotrophic waters in the Indian Ocean through lineage diversification and associated streamlining of genomes (e.g. loss of phycobilisomes and acquisition of Chl b); resulting in contemporary small celled Prochlorococcus. Comparative metagenomic analysis with picocyanobacteria populations in other oceans suggests that this evolutionary scenario may be globally important.

  • 4.
    Hedenäs, Lars
    Naturhistoriska riksmuseet, Enheten för botanik.
    Artfakta: Oncophorus demetrii Fjällknölmossa2018Annet (Annet vitenskapelig)
  • 5.
    Hedenäs, Lars
    Naturhistoriska riksmuseet, Enheten för botanik.
    Artfakta: Oncophorus elongatus Smalbladig knölmossa2018Annet (Annet vitenskapelig)
  • 6.
    Hedenäs, Lars
    Naturhistoriska riksmuseet, Enheten för botanik.
    Artfakta: Oncophorus integerrimus Slät skruvknölmossa2018Annet (Annet vitenskapelig)
  • 7.
    Hedenäs, Lars
    Naturhistoriska riksmuseet, Enheten för botanik.
    Artfakta: Oncophorus virens Sågad skruvknölmossa2018Annet (Annet vitenskapelig)
  • 8.
    Hedenäs, Lars
    Naturhistoriska riksmuseet, Enheten för botanik.
    Artfakta: Oncophorus wahlenbergii Liten knölmossa2018Annet (Annet vitenskapelig)
  • 9.
    Hedenäs, Lars
    Naturhistoriska riksmuseet, Enheten för botanik.
    Intraspecific genetic variation in selected mosses of Scandinavian interglacial refugia suggests contrasting distribution history patterns2014Inngår i: Botanical journal of the Linnean Society, ISSN 0024-4074, E-ISSN 1095-8339, Vol. 176, s. 295-310Artikkel i tidsskrift (Fagfellevurdert)
  • 10.
    Hedenäs, Lars
    Naturhistoriska riksmuseet, Enheten för botanik.
    Resultat av laboratorieanalys av tre molekylära markörer för två kryptiska Hamatocaulis vernicosus-arter, för att bedöma dessas utbredning och förekomst i naturskyddade områden i södra Sverige2017Rapport (Annet vitenskapelig)
    Abstract [en]

    Based on three molecular markers, the nuclearITS and the plastid rpl16 and trnL-trnF,the Swedish geographical distributions of the two cryptic species of the moss Hamatocaulis vernicosus (Mitt.) Hedenäsare evaluated. New sequences for all three markers were generated for 47 SSwedish samples; for two additional samples, the sequence for one marker couldbe generated. The aim was to cover as many occurrences of the species inprotected areas in S Sweden as possible. The geographical distributions of thenew samples and an additional 42 Swedish ones from an earlier study show thatthe southern cryptic species reaches northwards to N Uppland and the LakeSiljan area in Dalarna, whereas the northern cryptic species occurs in most ofSweden. In both the cryptic species of H.vernicsosus, haplotypes (approx. = ‘genotypes’) that are frequent in Swedenare also well represented in protected areas; of the four haplotypes that werefound only once, one is from a protected area.

  • 11.
    Hedenäs, Lars
    et al.
    Naturhistoriska riksmuseet, Enheten för botanik.
    Bisang, Irene
    Naturhistoriska riksmuseet, Enheten för botanik.
    Brukar du samla mossor när du reser utomlands?2015Inngår i: Myrinia, ISSN 1102-4194, Vol. 25, nr 1Artikkel i tidsskrift (Annet (populærvitenskap, debatt, mm))
    Abstract [en]

    The 'Nagoya Protocol' and its implications on collecting bryophytes abroad are discussed

  • 12.
    Hedenäs, Lars
    et al.
    Naturhistoriska riksmuseet, Enheten för botanik.
    Heinrichs, Jochen
    Schmidt, Alexander R.
    Bryophytes of the Burmese amber forest: Amending and expanding the circumscription of the Cretaceous moss genus Vetiplanaxis2014Inngår i: Review of Palaeobotany and Palynology, ISSN 0034-6667, E-ISSN 1879-0615, Vol. 209, s. 1-10Artikkel i tidsskrift (Fagfellevurdert)
  • 13. Heinrichs, Jochen
    et al.
    Hedenäs, Lars
    Naturhistoriska riksmuseet, Enheten för botanik.
    Schäfer-Verwimp, Alfons
    Feldberg, Kathrin
    Schmidt, Alexander R.
    An in situ preserved moss community in Eocene Baltic amber2014Inngår i: Review of Palaeobotany and Palynology, ISSN 0034-6667, E-ISSN 1879-0615, Vol. 210, s. 113-118Artikkel i tidsskrift (Fagfellevurdert)
  • 14.
    Härkönen, Tero
    et al.
    Naturhistoriska riksmuseet, Enheten för miljöforskning och övervakning.
    Karlsson, Olle
    Naturhistoriska riksmuseet, Enheten för miljöforskning och övervakning.
    Bäcklin, Britt-Marie
    Naturhistoriska riksmuseet, Enheten för miljöforskning och övervakning.
    Moraeus, Charlotta
    Naturhistoriska riksmuseet, Enheten för miljöforskning och övervakning.
    Sälpopulationer och sälhälsa2014Inngår i: Havet, ISSN 1654-6741, s. 93-94Artikkel i tidsskrift (Annet (populærvitenskap, debatt, mm))
  • 15. Jonsell, Bengt
    et al.
    Åhlander, Erik
    Naturhistoriska riksmuseet, Enheten för zoologi.
    The Linnean Anders Sparrman as traveller and collector in South Africa2016Inngår i: Symbolae Botanicae Upsalienses, ISSN 0082-0644, Vol. 38, s. 75-80Artikkel i tidsskrift (Fagfellevurdert)
  • 16. Rams, Susana
    et al.
    Hedenäs, Lars
    Naturhistoriska riksmuseet, Enheten för botanik.
    Werner, Olaf
    Ros, Rosa María
    Nuevos datos sobre la presencia de Pseudotaxiphyllum laetevirens en España2014Inngår i: Boletín de la Sociedad Española de Briología, Vol. 42-43, s. 19-24Artikkel i tidsskrift (Annet vitenskapelig)
  • 17.
    Ritenberga, Olga
    et al.
    University of Latvia Faculty of Geography and Earth Sciences.
    Sofiev, Mikhail
    Finnish Meteorological Institute.
    Siljamo, Pilvi
    Finnish Meteorological Institute.
    Saarto, Annika
    Unit of Aerobiology, University of Turku.
    Dahl, Aslog
    Department of Biological and Environmental Sciences, University of Gothenburg.
    Ekebom, Agneta
    Naturhistoriska riksmuseet, Enheten för miljöforskning och övervakning.
    Sauliene, Ingrida
    Research Institute, Siauliai University.
    Shalaboda, Valentina
    Institute for Experimental Botany of the NAS of Belarus.
    Severova, Elena
    Moscow State University.
    Hoebeke, Lucie
    Belgian Aerobiological Network, Mycology and Aerobiology service, Scientific Institute of Public Health.
    Ramfjord, Hallvard
    Department of Biology, Norwegian University of Science and Technology.
    A statistical model for predicting the inter-annual variability of birchpollen abundance in Northern and North-Eastern Europe2018Inngår i: Science of the Total Environment, ISSN 0048-9697, E-ISSN 1879-1026, Vol. 615, s. 228-239Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    The paper suggests amethodology for predicting next-year seasonal pollen index (SPI, a sumof daily-mean pollen concentrations)over large regions and demonstrates its performance for birch in Northern andNorth-Eastern Europe. Astatistical model is constructed using meteorological, geophysical and biological characteristics of the previous year).A cluster analysis of multi-annual data of European Aeroallergen Network (EAN) revealed several large regions inEurope, where the observed SPI exhibits similar patterns of the multi-annual variability.We built the model for thenorthern cluster of stations, which covers Finland, Sweden, Baltic States, part of Belarus, and, probably, Russia andNorway,where the lack of data did not allow for conclusive analysis. The constructed modelwas capable of predictingthe SPI with correlation coefficient reaching up to 0.9 for somestations, odds ratio is infinitely high for 50% of sites insidethe region and the fraction of prediction fallingwithin factor of 2 from observations, stays within 40–70%. In particular,model successfully reproduced both the bi-annual cycle of the SPI and years when this cycle breaks down.

  • 18.
    Werdelin, Lars
    et al.
    Naturhistoriska riksmuseet, Enheten för paleobiologi.
    Fortelius, Mikael
    Biogeographic characterisation of MN unit reference localities1997Inngår i: Actes du Congrès BiochroM’97 / [ed] Aguilar, J.-P., Legendre, S. & Michaux, J., 1997, s. 67-73Konferansepaper (Fagfellevurdert)
1 - 18 of 18
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