Species Location represented Time Study type Concentration (pmol/L) Reference
Notes Southern Ocean Jan-Feb 2002 Field 1.8 out of patch; 7.3 in patch Wingenter et al. 2004 [23 ] Southern Ocean Iron Enrichment Experiment (SOFEX) Northeast Pacific Jul 2002 Field 2–6.5 out of patch; 5.5–12 in patch Moore and Wang 2006 [24 ] iron fertilization experiment Bellinghausen Sea (Southern Ocean) Nov-Dec 1992 Field 1–20 Broadgate et al. 1997 [3 ] diatoms correlated with highest concentrations Mediterranean Sea May and Oct 1990 Field 6.7–25 Bonsang et al. 1992 [2 ] Seawater Mace Head, Ireland Sep-Oct 1998 Field 10–20.8 Broadgate et al. 2004 [20 ] at coast and 3 km offshore Florida Straits, Gulf Stream Sep 1993 Field 9.8–50.8 at surface Milne et al. 1995 [25 ] to 91.2 at subsurface maxima North Sea Jun 1993–Jul 1994 Field 0.7–90 Broadgate et al. 1997 [3 ] 3 miles offshore; concentrations during Phaeocystis bloom (mucus-forming colony) lower than expected; diatoms correlated with highest concentrations; <2 in December, >10 in June Primarily diatoms; dinoflagellates eastern Atlantic Ocean May 1997 Field 5–55 Baker et al. 2000 [26 ] correlation to chlorophyll only accounts for a small portion of the variability Pacific Ocean Apr–Jun 1987–1990 Field 3.6–98 Bonsang et al. 1992 [2 ] North Pacific May 2001 Field <12–94; avg day 56, avg night 27 Matsunaga et al. 2002 [27 ] Colne Estuary, UK Mar 2009 Field enclosure 0.7–900 Acuna-Alvarez et al. 2009 [28 ] high values are freshwater end of estuary, low values marine end Seaweed-filled rockpools Mace Head, Ireland Sep-Oct 1998 Field enclosure 24.9–865 (333 average) Broadgate et al. 2004 [20 ] concentration range over 9.5 hr monitoring in sunny day gyre 1998 annual Remote sensing (SeaWIFS) 0.2–5 Erickson and Hernandez 2002 [29 ] coastal and mid-latitude 1998 annual Remote sensing (SeaWIFS) 5–80 Erickson and Hernandez 2002 [29 ] North Sea 1998 annual Remote sensing (SeaWIFS) 20–80 Erickson and Hernandez 2002 [29 ] Diatoms Southern Ocean Jan-Feb 2002 Remote sensing (SeaWiFS) (A) 3–130 (30 mean) in patch; (B) 1.4–34 (8.4 mean) in patch Meskhidze and Nenes 2006, 2007 [17 , 30 ] (A) use Palmer and Shaw 2005 for isoprene-chlorophyll relationship; (B) SOFEX scaled to SeaWiFS chlorophyll [23 , 31 ]