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Publications (10 of 15) Show all publications
Leidenberger, S., Niklasson, M. & Berntsson, A. (2019). BIstånd till nordiska bin – en resurs för framtidens ekosystemtjänster. NordBi-Aktuellt (1), 5-6
Open this publication in new window or tab >>BIstånd till nordiska bin – en resurs för framtidens ekosystemtjänster
2019 (Swedish)In: NordBi-Aktuellt, no 1, p. 5-6Article in journal (Other (popular science, discussion, etc.)) Published
Place, publisher, year, edition, pages
Föreningen Nordbi, 2019
National Category
Environmental Sciences Ecology
Research subject
Ecological Modelling Group
Identifiers
urn:nbn:se:his:diva-18323 (URN)
Available from: 2020-03-17 Created: 2020-03-17 Last updated: 2020-03-19Bibliographically approved
Leidenberger, S. & Boström, S. (2019). Diversitet hos hakmaskar – tarmparasiter hos gråsälar i Östersjön. Fauna och flora : populär tidskrift för biologi, 114(2), 35-39
Open this publication in new window or tab >>Diversitet hos hakmaskar – tarmparasiter hos gråsälar i Östersjön
2019 (Swedish)In: Fauna och flora : populär tidskrift för biologi, ISSN 0014-8903, Vol. 114, no 2, p. 35-39Article in journal (Other (popular science, discussion, etc.)) Published
Abstract [sv]

Döda gråsälar i Östersjön har insamlats och undersökts genom obduktion på Naturhistoriska riksmuseet sedan 1970-talet. En relativt stor andel av de obducerade sälarna har haft sår i tarmarna,och troligen kan perforerade tarmsår vara en av orsakerna till att de har dött. Tarmsåren förorsakas av tre arter av hakmaskar i släktet Corynosoma, och dessa har blivit föremål för ingående morfologiska och ekologiska studier.

Place, publisher, year, edition, pages
Artdatabanken, 2019
National Category
Environmental Sciences Ecology
Research subject
Ecological Modelling Group
Identifiers
urn:nbn:se:his:diva-18329 (URN)
Available from: 2020-03-18 Created: 2020-03-18 Last updated: 2020-03-19Bibliographically approved
Leidenberger, S., Jonsson, A. & Bourlat, S. (2019). End biodiversity loss through improved tracking of marine threatened invertebrates. In: : . Paper presented at 8th International Barcode of Life Conference 2019, June 17-20, 2019, Trondheim, Norway.
Open this publication in new window or tab >>End biodiversity loss through improved tracking of marine threatened invertebrates
2019 (English)Conference paper, Poster (with or without abstract) (Refereed)
National Category
Ecology Environmental Sciences
Research subject
Ecological Modelling Group
Identifiers
urn:nbn:se:his:diva-18328 (URN)
Conference
8th International Barcode of Life Conference 2019, June 17-20, 2019, Trondheim, Norway
Available from: 2020-03-18 Created: 2020-03-18 Last updated: 2020-03-19Bibliographically approved
Kotta, J., Vanhatalo, J., Jänes, H., Orav-Kotta, H., Rugiu, L., Jormalainen, V., . . . Johannesson, K. (2019). Integrating experimental and distribution data to predict future species patterns. Scientific Reports, 9, Article ID 1821.
Open this publication in new window or tab >>Integrating experimental and distribution data to predict future species patterns
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2019 (English)In: Scientific Reports, ISSN 2045-2322, E-ISSN 2045-2322, Vol. 9, article id 1821Article in journal (Refereed) Published
Abstract [en]

Predictive species distribution models are mostly based on statistical dependence between environmental and distributional data and therefore may fail to account for physiological limits and biological interactions that are fundamental when modelling species distributions under future climate conditions. Here, we developed a state-of-the-art method integrating biological theory with survey and experimental data in a way that allows us to explicitly model both physical tolerance limits of species and inherent natural variability in regional conditions and thereby improve the reliability of species distribution predictions under future climate conditions. By using a macroalga-herbivore association (Fucus vesiculosus - Idotea balthica) as a case study, we illustrated how salinity reduction and temperature increase under future climate conditions may significantly reduce the occurrence and biomass of these important coastal species. Moreover, we showed that the reduction of herbivore occurrence is linked to reduction of their host macroalgae. Spatial predictive modelling and experimental biology have been traditionally seen as separate fields but stronger interlinkages between these disciplines can improve species distribution projections under climate change. Experiments enable qualitative prior knowledge to be defined and identify cause-effect relationships, and thereby better foresee alterations in ecosystem structure and functioning under future climate conditions that are not necessarily seen in projections based on non-causal statistical relationships alone.

Place, publisher, year, edition, pages
Nature Publishing Group, 2019
National Category
Ecology
Research subject
Ecological Modelling Group
Identifiers
urn:nbn:se:his:diva-16667 (URN)10.1038/s41598-018-38416-3 (DOI)000458401500024 ()30755688 (PubMedID)2-s2.0-85061499547 (Scopus ID)
Available from: 2019-03-01 Created: 2019-03-01 Last updated: 2019-05-09Bibliographically approved
Leidenberger, S. & Norrström, N. (2019). Lägesrapport inom INTERREG-projektet: BIstånd till nordiska bin. NordBi-Aktuellt (2), 5-6
Open this publication in new window or tab >>Lägesrapport inom INTERREG-projektet: BIstånd till nordiska bin
2019 (Swedish)In: NordBi-Aktuellt, no 2, p. 5-6Article in journal (Other (popular science, discussion, etc.)) Published
Place, publisher, year, edition, pages
Föreningen Nordbi, 2019
National Category
Environmental Sciences Ecology
Research subject
Ecological Modelling Group
Identifiers
urn:nbn:se:his:diva-18322 (URN)
Available from: 2020-03-17 Created: 2020-03-17 Last updated: 2020-03-19Bibliographically approved
Leidenberger, S., Boström, S. & Wayland, M. T. (2019). Morphological observations on three Baltic species of Corynosoma Lühe, 1905 (Acanthocephala, Polymorphidae). European Journal of Taxonomy, 514, 1-19
Open this publication in new window or tab >>Morphological observations on three Baltic species of Corynosoma Lühe, 1905 (Acanthocephala, Polymorphidae)
2019 (English)In: European Journal of Taxonomy, ISSN 2118-9773, Vol. 514, p. 1-19Article in journal (Refereed) Published
Abstract [en]

Necropsies of Baltic grey (Halichoerus grypus) and ringed seals (Pusa hispida) presented a rare opportunity to study their acanthocephalan fauna. Both species hosted adults of three species of the genus Corynosoma Lithe, 1904, namely C. magdaleni Montreuil, 1958, C. semerme (Forsell, 1904) Lithe 1911 and C. strumosum (Rudolphi, 1802) Lithe 1904. A comparative morphological analysis of these three species of Corynosoma, combining both light and scanning electron microscopy, was performed for the first time. Sexual dimorphism in the size and shape of the trunk was observed in both C. magdaleni and C. semerme, but there was insufficient material to investigate this phenomenon in C. strumosum. Genital spines were not observed in any of the female acanthocephalans. Three possible explanations for the presence of genital spines in some females, but not others are (i) cryptic speciation, (ii) phenotypic variation and (iii) loss by extraction or shearing when the copulatory cap is released. Copulatory caps were observed on female C. semerme. The size and morphology showed considerable variability and all caps were strongly autofluoresecent.

Place, publisher, year, edition, pages
Museum Natl Histoire Naturelle, 2019
Keywords
Baltic Sea, grey seals, ringed seals, SEM, thorny-headed worms
National Category
Biological Systematics
Research subject
Ecological Modelling Group
Identifiers
urn:nbn:se:his:diva-16838 (URN)10.5852/ejt.2019.514 (DOI)000464156800001 ()2-s2.0-85065305678 (Scopus ID)
Available from: 2019-04-25 Created: 2019-04-25 Last updated: 2019-08-06
Leidenberger, S., Berntsson, A.-C. & Niklasson, M. (2019). Nordiskt honungsbi studeras på Nordens ark. Yrfän (3), 22-25
Open this publication in new window or tab >>Nordiskt honungsbi studeras på Nordens ark
2019 (Swedish)In: Yrfän, ISSN 2002-1151, no 3, p. 22-25Article in journal (Other (popular science, discussion, etc.)) Published
Place, publisher, year, edition, pages
Sveriges entomologiska förening, 2019
National Category
Environmental Sciences
Research subject
Ecological Modelling Group
Identifiers
urn:nbn:se:his:diva-18321 (URN)
Available from: 2020-03-17 Created: 2020-03-17 Last updated: 2020-03-19Bibliographically approved
Panova, M., Nygren, A., Jonsson, P. R. & Leidenberger, S. (2017). A molecular phylogeny of the north-east Atlantic species of the genus Idotea (Isopoda) with focus on the Baltic Sea. Zoologica Scripta, 46(2), 188-199
Open this publication in new window or tab >>A molecular phylogeny of the north-east Atlantic species of the genus Idotea (Isopoda) with focus on the Baltic Sea
2017 (English)In: Zoologica Scripta, ISSN 0300-3256, E-ISSN 1463-6409, Vol. 46, no 2, p. 188-199Article in journal (Refereed) Published
Abstract [en]

Today, the marine isopods of the genus Idotea Fabricius, 1798 consist of 26 accepted species. Most species can be found in the Northern Hemisphere. While some species have a cosmopolitan distribution, others are endemic to a few coastlines. In the Baltic Sea, Idotea species have a key role as important meso-grazers. Only three species can be found in this brackish environment, I.balthica, I.chelipes and I.granulosa, while nine species are described from the whole European coast. The goal of the present study was to reconstruct the phylogeny of the genus Idotea and to test whether the Baltic low-salinity tolerant species represent a single lineage within the genus. The phylogeny of north-east Atlantic Idotea species was investigated based on a fragment of the nuclear gene 28S and the mitochondrial gene COI for eight Idotea species. The phylogenetic reconstructions showed that the genus Idotea might not be monophyletic. Neither I.linearis nor I.urotoma did belong to the separated and well-supported Idotea clade of I.balthica, I.chelipes, I.emarginata, I.granulosa, I.metallica and I.pelagica. The three Idotea species found in the Baltic belonged to different lineages, with estimated COI-based divergence time older than 7 Myr. This suggests that the tolerance to low salinity has likely evolved in the genus Idotea more than once.

Place, publisher, year, edition, pages
Wiley-Blackwell Publishing Inc., 2017
National Category
Ecology Environmental Sciences
Identifiers
urn:nbn:se:his:diva-18326 (URN)10.1111/zsc.12200 (DOI)000395084200006 ()2-s2.0-84979498426 (Scopus ID)
Available from: 2020-03-18 Created: 2020-03-18 Last updated: 2020-03-19Bibliographically approved
Huggenberger, S., Leidenberger, S. & Oelschläger, H. H. (2017). Asymmetry of the nasofacial skull in toothed whales (Odontoceti). Journal of Zoology, 302(1), 15-23
Open this publication in new window or tab >>Asymmetry of the nasofacial skull in toothed whales (Odontoceti)
2017 (English)In: Journal of Zoology, ISSN 0952-8369, E-ISSN 1469-7998, Vol. 302, no 1, p. 15-23Article in journal (Refereed) Published
Abstract [en]

In this study, the nasal asymmetry of odontocetes (toothed whales) was analyzed morphometrically by placing landmarks on photographed nasofacial skulls from 12 different species and genera that belong to four odontocete families. The results show that the degree of asymmetry tends to be linked with the mechanism of click sound generation in odontocetes. The narrow-banded high-frequency echolocators, such as Phocoenidae, Inia geoffrensis, Pontoporia blainvillei and Cephalorhynchus commersonii, show a more symmetric skull than the broad-banded low-frequency species (most delphinids). Exceptions to this tendency are, for example Kogia sima, with narrow-banded high-frequency clicks and a high degree of nasofacial asymmetry, and Feresa attenuata, a delphinid with broad-banded low-frequency clicks and a moderate degree of nasofacial asymmetry. Accordingly, there is no consistent functional correlation between click type and skull asymmetry probably because the nasofacial skull does not strictly reflect the anatomy of the sound generating nasal soft structures.

Place, publisher, year, edition, pages
Wiley-Blackwell Publishing Inc., 2017
Keywords
toothed whales, odontocetes, dolphins, porpoises, skull, asymmetry, echolocation, morphometry
National Category
Zoology Environmental Sciences
Identifiers
urn:nbn:se:his:diva-18325 (URN)10.1111/jzo.12425 (DOI)000400303200003 ()2-s2.0-85006826700 (Scopus ID)
Available from: 2020-03-18 Created: 2020-03-18 Last updated: 2020-03-19Bibliographically approved
Ripple, W. J., Wolf, C., Newsome, T. M., Galetti, M., Alamgir, M., Crist, E., . . . Laurance, W. F. (2017). World Scientists’ Warning to Humanity: A Second Notice. BioScience, 67(12), 1026-1028
Open this publication in new window or tab >>World Scientists’ Warning to Humanity: A Second Notice
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2017 (English)In: BioScience, ISSN 0006-3568, E-ISSN 1525-3244, Vol. 67, no 12, p. 1026-1028Article in journal (Other (popular science, discussion, etc.)) Published
Place, publisher, year, edition, pages
Oxford University Press, 2017
National Category
Environmental Sciences Ecology
Identifiers
urn:nbn:se:his:diva-18324 (URN)10.1093/biosci/bix125 (DOI)000422959300004 ()2-s2.0-85039982854 (Scopus ID)
Note

and 15,364 scientist signatories from 184 countries [including Leidenberger, Sonja, Scientist/ Biology, Swedish Museum of Natural History, Sweden, now - 2020-03-19 - at University of Skövde, Sweden]

Available from: 2020-03-17 Created: 2020-03-17 Last updated: 2020-03-19Bibliographically approved
Organisations
Identifiers
ORCID iD: ORCID iD iconorcid.org/0000-0002-3985-8405

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