Effect of Elevated Carbon Dioxide on Two Scleractinian Corals:Porites cylindrica(Dana, 1846) andGalaxea fascicularis(Linnaeus, 1767)-Reference-Cited by-同舟云学术

Effect of Elevated Carbon Dioxide on Two Scleractinian Corals:Porites cylindrica(Dana, 1846) andGalaxea fascicularis(Linnaeus, 1767)

Published:2009 Issue: Volume:2009 Page:1-7
ISSN:1687-9481
Container-title:Journal of Marine Biology
language:en
Short-container-title:Journal of Marine Biology

Author:

Hii Yii-Siang¹,Ambok Bolong Abol Munafi¹,Yang Teng-Teng²,Liew Hock-Chark²

Affiliation:

1. Faculty of Agrotechnology and Food Science, University of Malaysia Terengganu, Kuala Terengganu 21030, Malaysia

2. Faculty of Maritime and Marine Science, University of Malaysia Terengganu, Kuala Terengganu 21030, Malaysia

Abstract

This study reveals the effect of elevatedpCO2onPorites cylindricaandGalaxea fascicularis. The corals responded differently under elevatedpCO2. Zooxanthellae cell density, cell mitotic index, and photosynthesis rate ofP. cylindricadecreased drastically under the elevatedpCO2. At the end of the experiment,P. cylindricasuffered from a declining calcium carbonate precipitation rate.G. fascicularisincreased its respiration rate and expelled 71% of its symbiotic zooxanthellae algae under elevatedpCO2. Photosynthetic pigments in the remaining zooxanthellae algae increased from 1.85 to 11.5 times to sustain its photosynthetic outputs. At the end of the experiment,G. fascicularismanaged to increase the rate of its calcium carbonate precipitation. IncreasepCO2in the atmosphere may affect species diversity of coral reefs.

Funder

Ministry of Science, Technology and Innovation of Malaysia

Publisher

Hindawi Limited

Subject

Animal Science and Zoology,Aquatic Science,Ecology, Evolution, Behavior and Systematics

Link

http://downloads.hindawi.com/journals/jmb/2009/215196.pdf

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