The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
Phytoplankton iron limitation in the Humboldt Current and Peru Upwelling
Open accessAbstract
We investigated phytoplankton Fe limitation using shipboard incubation experiments in the highߚnutrient South American eastern boundary current regime. Low ambient Fe concentrations (~0.1 nM) in water collected from the Humboldt and Peru Currents were supplemented with a range of added Fe levels up to 2.5 nM. Phytoplankton chlorophyll a, photosystem II photosynthetic efficiency, and nitrate and phosphate drawdown increased in proportion to the amount of Fe added. The Humboldt Current algal community after Fe additions included colonial and flagellated Phaeocystis globosa and large pennate diatoms, whereas the Peru Upwelling assemblage was dominated by coccolithophorids and small pennate diatoms. Apparent halfߚsaturation constants for growth of the two communities were 0.17 nM Fe (Humboldt Current) and 0.26 nM Fe (Peru Upwelling). Net molar dissolved Si(OH)4 : NO 3- drawdown ratios were low in both experiments (~0.2ߝ0.7), but net particulate silica to nitrogen production ratios were higher. Fe limitation decreased net NO 3-:PO 43- utilization ratios in the Humboldt Current incubation to well below Redfield values. Phytoplankton community sinking rates were decreased by Fe additions in the Peru Upwelling, suggesting potential Fe effects on carbon export. Our results confirm that primary producers in the Peru Upwelling/Humboldt Current system can be limited by Fe, but the biological and biogeochemical consequences of Fe limitation differ from Feߚlimited California coastal upwelling waters that have been previously studied.
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Coale, K. H., Johnson, K. S., Fitzwater, S. E., Gordon, R. M., Tanner, S., Chavez, F. P., Ferioli, L., Sakamoto, C., Rogers, P., Millero, F., et al. (1996) · Nature · doi:10.1038/383495a0 · Cited by 1,479
Cited by
Primary production in the eastern tropical Pacific: A review
Pennington, J. T., Mahoney, K. L., Kuwahara, V. S., Kolber, D. D., Calienes, R., & Chavez, F. P. (2006) · Progress in Oceanography · doi:10.1016/j.pocean.2006.03.012 · Cited by 730
Microbial oceanography of anoxic oxygen minimum zones
Ulloa, O., Canfield, D. E., DeLong, E. F., Letelier, R. M., & Stewart, F. J. (2012) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.1205009109 · Cited by 465
Feedback Interactions between Trace Metal Nutrients and Phytoplankton in the Ocean
Sunda, W. G. (2012) · Frontiers in Microbiology · doi:10.3389/fmicb.2012.00204 · Cited by 431
Iron, macronutrients and diatom blooms in the Peru upwelling regime: brown and blue waters of Peru
Bruland, K. W., Rue, E. L., Smith, G. J., & DiTullio, G. R. (2005) · Marine Chemistry · doi:10.1016/j.marchem.2004.06.011 · Cited by 329
Self-citationEnvironmental control of open‐ocean phytoplankton groups: Now and in the future
Boyd, P. W., Strzepek, R., Fu, F., & Hutchins, D. A. (2010) · Limnology and Oceanography · doi:10.4319/lo.2010.55.3.1353 · Cited by 329
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Metadata
- Authors
- Hutchins, D. A., Hare, C. E., Weaver, R. S., Zhang, Y., Firme, G. F., DiTullio, G. R., Alm, M. B., Riseman, S. F., Maucher, J. M., Geesey, M. E., Trick, C. G., Smith, G. J., Rue, E. L., Conn, J., & Bruland, K. W.
- Venue
- Limnology and Oceanography
- Publisher
- Wiley
- Published
- 2002-07
- Volume
- 47
- Issue
- 4
- Pages
- 997-1011
- ISSN
- 0024-3590 (ISSN-L)
- 1939-5590
- OpenAlex
- W2140091868
- Cited by
- 250
- References
- 1
- FWCI
- 12.18
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Hutchins, D. A., Hare, C. E., Weaver, R. S., Zhang, Y., Firme, G. F., DiTullio, G. R., Alm, M. B., Riseman, S. F., Maucher, J. M., Geesey, M. E., Trick, C. G., Smith, G. J., Rue, E. L., Conn, J., & Bruland, K. W. (2002). Phytoplankton iron limitation in the Humboldt Current and Peru Upwelling. Limnology and Oceanography. https://doi.org/10.4319/lo.2002.47.4.0997
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
