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.
1997
Authors
Kåre Olav VennAbstract
No abstract has been registered
Authors
Lars StrandAbstract
No abstract has been registered
Authors
A.A. Dyrseth Sondre SkatterAbstract
No abstract has been registered
Authors
Yuichi Yamaoka Michael J. Wingfield Ikuo Takahashi Halvor SolheimAbstract
Fungi were isolated from the beetles, Ips typographus f. japonicus and Yezo spruce (Picea jezoensis) trees infested with the beetles in Hokkaido, Japan. Nine species of ophiostomatoid fungi including one new species were identied. They were Ceratocystiopsis minuta, Ceratocystis polonica, Ophiostoma ainoae, O. bicolor, O. cucullatum, O. europhioides, O. penicillatum, O. piceae, and a new species described here as O. japonicum. Based on frequencies of occurrence, O. ainoae, O. bicolor, O. penicillatum, and O. piceae were regarded as dominant associates of I. typographus japonicus, and C. minuta, C. polonica, O. europhinoides, and O. japonicum were subdominant. The species of ophiostomatoid fungi associated with I. typographus japonicus in Japan are almost identical to those associated with I. typographus infesting Norway spruce (P. abies) in Europe. This study improves our knowledge of the biogeography of the ophiostomatoid fungi and the insects with which they are associated.
Authors
Stein MagnesenAbstract
No abstract has been registered
Authors
B.J. Anderson K. Bishop G.C. Borg Reiner H. Giesler Magne Huse Filip Moldan L. Nyberg Per Holm NygaardAbstract
No abstract has been registered
Authors
Karl Hilding Thunes E. WillassenAbstract
Canonical correspondence analyses (CCA) of the beetle communities found in the polypore fungi Fomes fomentarius (L. ex Fr.) Kickx and Piptoporus betulinus (Bull. ex Fr.) Karst. from five localities in western Norway was applied to quantify the relative importance of various environmental variables. A total of 2266 adult specimens were identified to 57 species. Ecological qualities of different forest types were more important than qualities of the sporophores per se. The two polypore species have different communities of beetles, which can be explained by different habitat qualities offered by the two species. For F. fomentarius, the most explanatory variable turned out to be whether the sporophore was dead or alive. The sporophores weight at sampling time was the most explanatory variable for the beetles inhabiting P. betulinus.
Authors
Atle Hindar Petter Nilsen A. Skiple R. HøgbergetAbstract
No abstract has been registered
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Torstein OpheimAbstract
No abstract has been registered
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Tor MykingAbstract
No abstract has been registered