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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Regeneration of artificial injuries on scleractinian corals and coral/algal competition for newly formed substrate
Journal of Experimental Marine Biology and Ecology, Volume 323, No. 1, Year 2005
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Description
Porites cylindrica and Porites lutea fragments of colonies were inflicted with five different injury types: chisel, file, Water Pik, osmotic and cement injuries. The fragments were maintained in outdoor aquaria for a period of 240 days under light intensities varying from 2-5% to 70-90% of incident surface photosynthetic active radiation (PAR0). During the exposure, changes in weight of the fragments, the rates of regeneration of the injuries, abundance of algae and animals settled onto injured areas were monitored. The regeneration rate of the injuries depended on interspecific differences in corals, injury types, number and composition of algae and animals settled onto the lesions, and light and temperature conditions. Competitive interactions between polyps and settlers occurred after colonizers settled onto the damaged surface or the live tissue. It is noteworthy that recovered coral tissue generally overgrew about 100 algal species with or without inhibition of coral growth by algae. In the summer period, the cyanobacterium Lyngbya majuscula covered some lesions (osmotic and cement) by 100%, thus reducing dramatically the regeneration rate of the inflicted injuries and also caused coral bleaching when in direct contact. © 2005 Elsevier B.V. All rights reserved.
Authors & Co-Authors
Yakovleva, Irina M.
Russian Federation, Vladivostok
Far Eastern Branch, Russian Academy of Sciences
Japan, Nishihara
University of the Ryukyus
Bhagooli, Ranjeet
Japan, Nishihara
University of the Ryukyus
Statistics
Citations: 51
Authors: 2
Affiliations: 2
Identifiers
Doi:
10.1016/j.jembe.2005.02.015
ISSN:
00220981
Research Areas
Cancer
Environmental
Violence And Injury