Impacts of aeolian dust deposition on phytoplankton dynamics in Queensland coastal waters

Shaw, Emily C., Gabric, Albert J. and McTainsh, Grant H. (2008) Impacts of aeolian dust deposition on phytoplankton dynamics in Queensland coastal waters. Marine and Freshwater Research, 59 11: 951-962. doi:10.1071/MF08087


Author Shaw, Emily C.
Gabric, Albert J.
McTainsh, Grant H.
Title Impacts of aeolian dust deposition on phytoplankton dynamics in Queensland coastal waters
Journal name Marine and Freshwater Research   Check publisher's open access policy
ISSN 1323-1650
1448-6059
Publication date 2008-01
Year available 2008
Sub-type Article (original research)
DOI 10.1071/MF08087
Open Access Status
Volume 59
Issue 11
Start page 951
End page 962
Total pages 12
Place of publication Collingwood, VIC Australia
Publisher C S I R O Publishing
Collection year 2009
Language eng
Formatted abstract
Aeolian dust deposition has been shown to stimulate phytoplankton growth in various oligotrophic oceanic regions of the northern hemisphere. The present study investigated the relationship between the change in phytoplankton biomass in Queensland coastal waters and aeolian dust deposition during the severe October 2002 dust storm, using satellite-derived chlorophyll concentrations. A response in phytoplankton standing stock immediately following dust deposition from this event was found in the area of maximal dust deposition, as defined by a previous dust transport modelling analysis. Standing stock levels increased to 1.5–2 times the long-term mean. This is the first documented episode of a dust fertilisation event in Australian coastal waters and, given the high frequency of dust storms in northern Australia, demonstrates that aeolian delivery of nutrients may be an important factor in future regional nutrient budget analyses. 
Keyword Cyanobacteria
Great Barrier Reef
Iron
Marine
Moreton Bay
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Geography, Planning and Environmental Management Publications
 
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