Coral Tissue Thickness as a Bioindicator of Mine-Related Turbidity Stress on Coral Reefs at Lihir Island, Papua New Guinea

ABSTRACT. Work described here assessed the feasibility of using variations intissue thickness in massive Porites corals as a bioindicator for mine-related sediment stress. We examined parameters influencing coral tissue thickness, including water depth, location, season, and time period within the l...

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Veröffentlicht in:Oceanography. - Oceanography Society. - 25(2012), 4, Seite 52-63
1. Verfasser: ROTMANN, SEA (VerfasserIn)
Weitere Verfasser: THOMAS, SÉVERINE
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2012
Zugriff auf das übergeordnete Werk:Oceanography
Schlagworte:Biological sciences Physical sciences Health sciences Business Applied sciences
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520 |a ABSTRACT. Work described here assessed the feasibility of using variations intissue thickness in massive Porites corals as a bioindicator for mine-related sediment stress. We examined parameters influencing coral tissue thickness, including water depth, location, season, and time period within the lunar month. Coral tissue thickness was observed to grow linearly over the lunar cycle until it dropped abruptly by about 20% after the day of the full moon. Although some relationship was observed between tissue thickness reduction and turbidity, no systematic relationship was found between turbidity zones and light levels. The aim was to develop sampling protocols that minimized the effect of natural variability and maximized the potential use of tissue thickness by mine management as a cheap, reliable, real-time indicator of coral stress response to increased turbidity on Lihir Island, Papua New Guinea. This method could prove particularly useful at remote locations or where a fast assessment of coral stress response (< 1 month) needs to be made. 
540 |a ©2012 The Oceanography Society, Inc. 
650 4 |a Biological sciences  |x Biology  |x Zoology  |x Animals  |x Invertebrates  |x Aquatic invertebrates  |x Corals 
650 4 |a Biological sciences  |x Ecology  |x Population ecology  |x Synecology  |x Habitats  |x Aquatic habitats  |x Coral reefs 
650 4 |a Physical sciences  |x Chemistry  |x Physical chemistry  |x Colloidal chemistry  |x Turbidity 
650 4 |a Physical sciences  |x Earth sciences  |x Geology  |x Petrology  |x Sedimentary petrology  |x Sediments 
650 4 |a Health sciences  |x Medical diagnosis  |x Diagnostic methods  |x Bioassay  |x Biological markers 
650 4 |a Physical sciences  |x Earth sciences  |x Geography  |x Geomorphology  |x Landforms  |x Coastal landforms  |x Coastal barriers  |x Reefs 
650 4 |a Health sciences  |x Medical sciences  |x Medical research  |x Biomedical research  |x Tissue samples 
650 4 |a Biological sciences  |x Ecology  |x Aquatic ecology  |x Marine ecology  |x Coastal ecology 
650 4 |a Business  |x Industry  |x Industrial sectors  |x Extractive industries  |x Mining industries  |x Mining  |x Metals mining  |x Precious metals mining  |x Gold mining 
650 4 |a Applied sciences  |x Technology  |x Tools  |x Measuring instruments  |x Sensors  |x REGULAR ISSUE FEATURE: MINE WASTE DISPOSAL IN THE OCEAN 
655 4 |a research-article 
700 1 |a THOMAS, SÉVERINE  |e verfasserin  |4 aut 
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