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Phytoplankton Blooms on the Western Shelf of Tasmania: Evidence of a Highly Productive Ecosystem : Volume 11, Issue 5 (15/09/2014)

By Kämpf, J.

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Book Id: WPLBN0004020803
Format Type: PDF Article :
File Size: Pages 32
Reproduction Date: 2015

Title: Phytoplankton Blooms on the Western Shelf of Tasmania: Evidence of a Highly Productive Ecosystem : Volume 11, Issue 5 (15/09/2014)  
Author: Kämpf, J.
Volume: Vol. 11, Issue 5
Language: English
Subject: Science, Ocean, Science
Collections: Periodicals: Journal and Magazine Collection (Contemporary), Copernicus GmbH
Publication Date:
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications


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Kämpf, J. (2014). Phytoplankton Blooms on the Western Shelf of Tasmania: Evidence of a Highly Productive Ecosystem : Volume 11, Issue 5 (15/09/2014). Retrieved from

Description: School of the Environment, Flinders University, Adelaide, Australia. Analyses of >10 years of satellite-derived ocean-color data reveal the existence of a highly productive ecosystem on the west Tasmanian shelf. A closer event-based analysis indicates that the nutrient supply for this system has two different dynamical origins: (a) wind-driven coastal upwelling and (b) river plumes. During austral summer months, the west Tasmanian shelf forms a previously unknown upwelling center of the Great South Australian Coastal Upwelling System, presumably injecting nutrient-rich water into western Bass Strait. Surprisingly, river discharges render the study region productive during other seasons of the year, except when nutrient-poor water of the South Australian Current reaches the region. Overall, the west Tasmanian shelf is more phytoplankton-productive than the long-known coastal upwelling along the Bonney Coast. The existence of phytoplankton blooms during the off-upwelling-season may explain the wintertime spawing aggregations of the blue grenadier (Macruronus novaezelandiae) and the associated regionally high abundance of Australian fur seals (Arctocephalus pusillus doriferus).

Phytoplankton blooms on the western shelf of Tasmania: evidence of a highly productive ecosystem

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