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Biogeosciences An interactive open-access journal of the European Geosciences Union
© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.
Research article
02 Oct 2014
Review status
This discussion paper is a preprint. It has been under review for the journal Biogeosciences (BG). The revised manuscript was not accepted.
Nematode diversity, abundance and community structure 50 years after the formation of the volcanic island of Surtsey
K. Ilieva-Makulec1, B. Bjarnadottir2, and B. D. Sigurdsson3 1Cardinal St. Wyszynski University in Warsaw, 01-938 Warsaw, Poland
2University of Akureyri, Sólborg v. Norðurslóð 600 Akureyri, Iceland
3Agricultural University of Iceland, Hvanneyri, 311 Borgarnes, Iceland
Abstract. The soil nematode fauna can give important insights into soil development and other habitat changes that occur during primary succession. We investigated the generic composition, density, distribution and community structure of nematodes 50 years after the formation of a pristine volcanic island, Surtsey, Iceland. Part of the island has received additional nutrient inputs from seagulls breeding there since 1985, while the reminder has been much less affected and is at present found at a different successional sere. In total, 25 genera of nematodes were identified, of which 14 were reported on Surtsey for the first time. Nematode communities were more diverse in the more infertile area outside the gull colony, where 24 genera were found, compared to 18 inside. The trophic structure of the nematode communities showed relatively higher abundance of fungal feeders in the infertile areas, but relatively more bacterial- and plant-feeders inside the colony. Nematode abundance in surface soil was, however, significantly higher within the gull colony, with 16.7 ind. cm−2 compared to 3.6 ind. cm−2 outside. A multivariate analysis indicated that the nematode abundance and distribution on Surtsey were most strongly related to the soil C : N ratio, soil acidity, plant cover and biomass, soil temperature and soil depth.
Citation: Ilieva-Makulec, K., Bjarnadottir, B., and Sigurdsson, B. D.: Nematode diversity, abundance and community structure 50 years after the formation of the volcanic island of Surtsey, Biogeosciences Discuss., 11, 14239-14267,, 2014.
K. Ilieva-Makulec et al.
K. Ilieva-Makulec et al.


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