image: A map showing the origin of the two tested mussel populations from Kiel Fjord in the Baltic Sea and the island of Sylt in the North Sea. Red dots mark the sampling and monitoring stations and the yellow line depicts the border between Denmark and Germany. This material relates to a paper that appeared in the April 26, 2017, issue of Science Advances, published by AAAS. The paper, by J. Thomsen at Helmholtz Centre for Ocean Research Kiel (GEOMAR) in Kiel, Germany, and colleagues was titled, "Naturally acidified habitat selects for ocean acidification-tolerant mussels." view more
Credit: [Credit: Thomsen <i>et al.</i> Sci. Adv. 2017;3:e1602411]