Journal
MARINE ECOLOGY-AN EVOLUTIONARY PERSPECTIVE
Volume 38, Issue 3, Pages -Publisher
WILEY
DOI: 10.1111/maec.12436
Keywords
diseases; Lakshadweep; macroalgae; mortality; predation; tissue loss
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Funding
- National Remote Sensing Centre, Hyderabad
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Tissue degradation and resulting mortality are major threats to coral reefs around the world. Information on interactions of the major environmental factors that mediate tissue loss and mortality in coral reefs is of great importance. It is essential to understand the prevailing reef health conditions and to develop appropriate management actions. In the present study, a series of benthic surveys conducted in the Lakshadweep Islands revealed the interaction of major biological factors in causing tissue loss and mortality. Hierarchical regression analysis revealed interactions of various environmental scenarios. Tissue loss was prevalent in islands with high cover of massive corals (m=20.91) and low in islands dominated by branching corals (m=0.61). Hierarchical regression analysis revealed black band disease (beta = .59; p < .001) and algal interactions (beta = .48; p < .001) to be major factors responsible for coral mortality caused by tissue loss in the region.
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