Skip to main content
. 2012 Mar 8;6(9):1728–1739. doi: 10.1038/ismej.2012.13

Figure 1.

Figure 1

Map of cruise tracks. (a) OC399-4 (stations 4–12) in the Sargasso Sea in March 2004. SJ0609 (Stations 13–21) east-to-west transect across the equatorial Atlantic Ocean in July 2006. (b) KM0701 north-to-south transect through the Western Pacific Warm Pool during January and February 2007. Open circles mark all stations from each cruise. Numbered stations represent where Trichodesmium colonies were collected. Filled circles represent where isiB expression was above threshold value indicative of Fe limitation.