ArticleFrontiers in microbiology2022
Biocrusts from Iceland and Svalbard: Does microbial community composition differ substantially?
Article in Frontiers in microbiology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- A Pilot Investigation of the Hidden Communities Associated With Dryas octopetala L. (Rosaceae) in Svalbard Using DNA Metabarcoding.Environmental microbiology reports · 2025Article
- Summer and autumn photosynthetic activity in High Arctic biological soil crusts and their winter recovery.Frontiers in microbiology · 2025Article
- Role of Climate and Edaphic Factors on the Community Composition of Biocrusts Along an Elevation Gradient in the High Arctic.Microorganisms · 2024Article
- The symbiotic alga Trebouxia fuels a coherent soil ecosystem on the landscape scale in the Atacama Desert.Environmental microbiome · 2024Article
- Article
- Microbial community composition of terrestrial habitats in East Antarctica with a focus on microphototrophs.Frontiers in microbiology · 2023Article
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Authors and funding
5 authors.
Funding
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Abstract
A wide range of microorganisms inhabit biocrusts of arctic and sub-arctic regions. These taxa live and thrive under extreme conditions and, moreover, play important roles in biogeochemical cycling. Nevertheless, their diversity and abundance remain ambiguous. Here, we studied microbial community composition in biocrusts from Svalbard and Iceland using amplicon sequencing and epifluorescence microscopy. Sequencing of 16S rRNA gene revealed the dominance of Chloroflexi in the biocrusts from Iceland and Longyearbyen, and Acidobacteria in the biocrusts from Ny-Ålesund and South Svalbard. Within the 18S rRNA gene sequencing dataset, Chloroplastida prevailed in all the samples with dominance of Trebouxiophyceae in the biocrusts from Ny-Ålesund and Embryophyta in the biocrusts from the other localities. Furthermore, cyanobacterial number of cells and biovolume exceeded the microalgal in the biocrusts. Community compositions in the studied sites were correlated to the measured chemical parameters such as conductivity, pH, soil organic matter and mineral nitrogen contents. In addition, co-occurrence analysis showed the dominance of positive potential interactions and, bacterial and eukaryotic taxa co-occurred more frequently together.
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