Blooms of the cyanobacterium Lyngbya majuscula in coastal Queensland, Australia: disparate sites, common factors

Albert, S, ONeil, JM, Udy, JW, Ahern, KS, OSullivan, CM and Dennison, WC (2005) Blooms of the cyanobacterium Lyngbya majuscula in coastal Queensland, Australia: disparate sites, common factors. Marine Pollution Bulletin, 51 1-4: 428-437. doi:10.1016/j.marpolbul.2004.10.016


Author Albert, S
ONeil, JM
Udy, JW
Ahern, KS
OSullivan, CM
Dennison, WC
Title Blooms of the cyanobacterium Lyngbya majuscula in coastal Queensland, Australia: disparate sites, common factors
Journal name Marine Pollution Bulletin   Check publisher's open access policy
ISSN 0025-326X
Publication date 2005
Sub-type Article (original research)
DOI 10.1016/j.marpolbul.2004.10.016
Volume 51
Issue 1-4
Start page 428
End page 437
Total pages 10
Editor Charles Sheppard
J Pearce
Place of publication United Kingdom
Publisher Pergamon
Collection year 2005
Language eng
Subject C1
270702 Marine and Estuarine Ecology (incl. Marine Ichthyology)
770406 Integrated (ecosystem) assessment and management
Abstract During the last decade there has been a significant rise in observations of blooms of the toxic cyanobacterium, Lyngbya majuscula along the east coast of Queensland, Australia. Whether the increase in cyanobacterial abundance is a biological indicator of widespread water quality degradation or also a function of other environmental change is unknown. A bioassay approach was used to assesses the potential for runoff from various land uses to stimulate productivity of L. majuscula. In Moreton Bay, L. majuscula productivity was significantly (p < 0.05) stimulated by soil extracts, which were high in phosphorus, iron and organic carbon. Productivity of L. majuscula from the Great Barrier Reef was also significantly (p < 0.05) elevated by iron and phosphorus rich extracts, in this case seabird guano adjacent to the bloom site. Hence, it is possible that other L. majuscula blooms are a result of similar stimulating factors (iron, phosphorus and organic carbon), delivered through different mechanisms. (c) 2004 Elsevier Ltd. All rights reserved.
Keyword Environmental Sciences
Marine & Freshwater Biology
Lyngbya Majuscula
Bioassay
Nutrients
Land Use
Organic Carbon
Iron
Organic-matter
Oxidation-kinetics
Nitrogen-fixation
Upwelling Regime
N-2 Fixation
Moreton Bay
Phosphorus
Growth
Phytoplankton
Q-Index Code C1

 
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Created: Wed, 15 Aug 2007, 05:35:56 EST