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Zinc marine biogeochemistry in seawater: A review

journal contribution
posted on 2023-05-17, 15:55 authored by Sinoir, M, Butler, ECV, Andrew BowieAndrew Bowie, Mongin, M, Nesterenko, PN, Hassler, CS
The interest in trace element biogeochemistry has arisen from the well demonstrated iron hypothesis that revealed the central role that iron exerts on oceanic primary and associated biogeochemical cycles. The essentiality of zinc for key biological enzymes, coupled with a nutrient-like vertical distribution with low dissolved concentrations in many marine surface waters, provided motivation to study zinc in marine systems. Laboratory studies have confirmed the importance of zinc to sustain phytoplankton growth and its influence on the composition of the phytoplankton community. However, mixed results were obtained in the field, which suggest a more subtle effect of zinc on oceanic phytoplankton growth than iron. As a consequence, consensus on its biological role, mechanisms at play or regional versus global relevance is currently lacking and highlights the need for new conceptual models of zinc in marine systems. The recent GEOTRACES program is generating new data approaches to discuss and understand further zinc behaviour in the ocean.

History

Publication title

Marine and Freshwater Research

Volume

63

Issue

7

Pagination

644-657

ISSN

1323-1650

Department/School

Institute for Marine and Antarctic Studies

Publisher

CSIRO Publishing

Place of publication

150 Oxford St, Po Box 1139, Collingwood, Australia, Victoria, 3066

Rights statement

Copyright 2012 CSIRO

Repository Status

  • Restricted

Socio-economic Objectives

Measurement and assessment of marine water quality and condition

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