Publications
NIBIOs employees contribute to several hundred scientific articles and research reports every year. You can browse or search in our collection which contains references and links to these publications as well as other research and dissemination activities. The collection is continously updated with new and historical material.
2018
Authors
Simo MadunaAbstract
No abstract has been registered
Authors
Simo MadunaAbstract
No abstract has been registered
Authors
Hallvard JensenAbstract
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Authors
Ivan N. Bolotov Alexander A. Makhrov Mikhail Yu. Gofarov Olga V. Aksenova Paul Eric Aspholm Yulia V. Bespalaya Mikhail B. Kabakov Yulia S. Kolosova Alexander V. Kondakov Thomas Ofenböck Andrew N. Ostrovsky Igor Yu. Popov Ted von Proschwitz Mudite Rudzite Maris Rudzitis Svetlana E. Sokolova Ilmari Valovirta Ilya V. Vikhrev Maxim V. Vinarski Alexey A. ZotinAbstract
The effects of climate change on oligotrophic rivers and their communities are almost unknown, albeit these ecosystems are the primary habitat of the critically endangered freshwater pearl mussel and its host fishes, salmonids. The distribution and abundance of pearl mussels have drastically decreased throughout Europe over the last century, particularly within the southern part of the range, but causes of this wide-scale extinction process are unclear. Here we estimate the effects of climate change on pearl mussels based on historical and recent samples from 50 rivers and 6 countries across Europe. We found that the shell convexity may be considered an indicator of the thermal effects on pearl mussel populations under warming climate because it reflects shifts in summer temperatures and is significantly different in viable and declining populations. Spatial and temporal modeling of the relationship between shell convexity and population status show that global climate change could have accelerated the population decline of pearl mussels over the last 100 years through rapidly decreasing suitable distribution areas. Simulation predicts future warming-induced range reduction, particularly in southern regions. These results highlight the importance of large-scale studies of keystone species, which can underscore the hidden effects of climate warming on freshwater ecosystems.
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The apple fruit moth Argyresthia conjugella (Lepidoptera, Yponomeutidae) is a seed predator of rowan (Sorbus aucuparia) and is distributed in Europe and Asia. In Fennoscandia (Finland, Norway and Sweden), rowan fruit production is low every 2–4 years, and apple (Malus domestica) functions as an alternative host, resulting in economic loss in apple crops in inter-mast years. We have used Illumina MiSeq sequencing to identify a set of 19 novel tetra-nucleotide short tandem repeats (STRs) in Argyresthia conjugella. Such motifs are recommended for genetic monitoring, which may help to determine the eco-evolutionary processes acting on this pest insect. The 19 STRs were optimized and amplified into five multiplex PCR reactions. We tested individuals collected from Norway and Sweden (n = 64), and detected very high genetic variation (average 13.6 alleles, He = 0.75) compared to most other Lepidoptera species studied so far. Spatial genetic differentiation was low and gene flow was high in the test populations, although two non-spatial clusters could be detected. We conclude that this set of genetic markers may be a useful resource for population genetic monitoring of this economical important insect species.
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No abstract has been registered
Authors
Jiska Joanneke van Dijk Graciela Rusch Hilde Karine Wam Paul Eric Aspholm Even Bergseng Vegard GundersenAbstract
No abstract has been registered
Authors
Jiska Joanneke van Dijk Graciela Rusch Hilde Karine Wam Paul Eric Aspholm Even Bergseng Vegard GundersenAbstract
No abstract has been registered