Cited by 128Marine and coastal ecosystemsPaleontology and Stratigraphy of FossilsAquatic Ecosystems and Phytoplankton Dynamics

The co-evolution of phytoplankton and trace element cycles in the oceans

MOREL, FRANÇOIS M. M.·2008·Geobiology

Abstract

The composition of the oceans and of its biota have influenced each other through Earth's history. Of all the biologically essential elements, nitrogen is the only one whose seawater concentration is clearly controlled biologically; this is presumably the main reason why the stoichiometry of nitrogen (defined as its mol ratio to phosphorus), but not that of the trace nutrients manganese, iron, cobalt, nickel, copper, zinc and cadmium, is the same in seawater and in the plankton. Like the major nutrients, the trace nutrients are depleted in surface seawater as a result of quasi-complete utilization by the biota. This is made possible in part by the ability of marine phytoplankton to replace one trace metal by another in various biochemical functions. This replacement also results in an equalization of the availability of most essential trace metals in surface seawater. The difference in the stoichiometric composition of the plankton and of deep seawater, which is the dominant source of new nutrients to the surface, indicates that some nutrients are likely recycled with different efficiencies in the photic zone. The difference in the composition of the ocean and its biota provides insight into the coupling of biochemistry and biogeochemistry in seawater.

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Crossref · 10.1111/j.1472-4669.2008.00144.x

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  • Given low levels of trace metals in modern oceans, organisms have had to develop strategies for dealing with possible micronutrient limitation.

    “Finally, given the low levels of trace metals in modern oceans, organisms have had to develop strategies for dealing with the possibility of micronutrient limitation (e.g., Morel and Price, 2003;Morel, 2008).”
  • Morel (2008) related elemental stoichiometry of modern phytoplankton to cycling of trace elements in the oceans and suggested trace metal cycles may have been affected by the advent of strong biological recycling to fulfill microbial needs.

    “As well, Morel (2008) related the elemental stoichiometry of modern phytoplankton to the cycling of trace elements in the oceans, and further suggested that the trace metal cycles may have been affected by the advent of strong biological recycling in order to fulfill microbial needs.”

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Authors
MOREL, F. M. M.
Affiliations
Princeton University (US)
Corresponding author
MOREL, FRANÇOIS M. M.
Venue
Geobiology
Publisher
Wiley
Published
2008-03-27
Volume
6
Issue
3
Pages
318-324
ISSN
  • 1472-4669 (ISSN-L)
  • 1472-4677
OpenAlex
W2147177078
Cited by
128
References
36
Citations by year
2026: 1 · 2025: 4 · 2024: 9 · 2023: 6 · 2022: 15 · 2021: 5 · 2020: 3 · 2019: 17 · 2018: 4 · 2017: 4 · 2016: 9 · 2015: 6 · 2014: 6 · 2013: 5 · 2012: 13
FWCI
0.37
Type
journal article
Language
en
Open access
closed
Locations
  • Geobiology (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Science Foundation
Topics
  • Physical Sciences › Earth and Planetary Sciences › Oceanography › Marine and coastal ecosystems
  • Physical Sciences › Earth and Planetary Sciences › Paleontology › Paleontology and Stratigraphy of Fossils
  • Physical Sciences › Environmental Science › Environmental Chemistry › Aquatic Ecosystems and Phytoplankton Dynamics
Keywords
phytoplankton, trace metals, nitrogen-phosphorus stoichiometry, nutrient depletion, deep-sea water, nutrient cycling, biogeochemistry, coevolution
MeSH terms
Environment, Biological Evolution, Models, Biological, Oceans and Seas, Phytoplankton, Seawater, Metals, Heavy

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