Three species distribution models for the marine diatom Fragilariopsis kerguelensis of the Southern Ocean, links to NetCDF files ...

• Main Authors: Pinkernell, Stefan, Beszteri, Bánk
• Format: Dataset
• Language: English
• Published: PANGAEA 2014
• Subjects: File content; File name; File size; Uniform resource locator/link to model result file; Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas SPP1158; Arctic; Antarctic; Southern Ocean; The Antarctic; Antarc*; Climate change; Phytoplankton; Sea ice
• Online Access: https://dx.doi.org/10.1594/pangaea.834760; https://doi.pangaea.de/10.1594/PANGAEA.834760

Fragilariopsis kerguelensis, a dominant diatom species throughout the Antarctic Circumpolar Current, is coined to be one of the main drivers of the biological silicate pump. Here, we study the distribution of this important species and expected consequences of climate change upon it, using correlative species distribution modeling and publicly available presence-only data. As experience with SDM is scarce for marine phytoplankton, this also serves as a pilot study for this organism group. We used the maximum entropy method to calculate distribution models for the diatom F. kerguelensis based on yearly and monthly environmental data (sea surface temperature, salinity, nitrate and silicate concentrations). Observation data were harvested from GBIF and the Global Diatom Database, and for further analyses also from the Hustedt Diatom Collection (BRM). The models were projected on current yearly and seasonal environmental data to study current distribution and its seasonality. Furthermore, we projected the ... : Supplement to: Pinkernell, Stefan; Beszteri, Bánk (2014): Potential effects of climate change on the distribution range of the main silicate sinker of the Southern Ocean. Ecology and Evolution, 4(16), 3147-3161 ...