Periodic Reporting for period 1 - F-Pole (Significant or trivial: Fungi in Polar Ecosystems)
Reporting period: 2016-09-01 to 2018-08-31
Preliminary results of this project revealed a high diversity of unclassified marine fungi, particular in high Arctic regions. Comparisons with chytrid sequence data from public databases originating from different oceanographic regions showed a close phylogenetic relationship between chytrids from cold-water environments compared to those originating from temperate oceanographic regions. This finding suggests a potential biogeographic distribution of chytrids. To evaluate potential environmental factors, influencing fungal community structure and distribution, different parameters have been tested. The data revealed an effect for sea ice concentration and salinity. In terms of chytrids, this groups was mainly recovered in ‘low saline’, sea ice melt influenced sampling sites. Microbe-microbe co-association analyses, indicated a correlation between certain diatom species and chytrid prevalence. The results of this study are submitted for publication in a peer review journal.