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Tytuł:
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Prickly business: abundance of sea urchins on breakwaters and coral reefs in Dubai.
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Autorzy:
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Bauman AG; Experimental Marine Ecology Laboratory, Department of Biological Science, National University of Singapore, 117543, Singapore. Electronic address: .
Dunshea G; Ecological Marine Services, Bundaberg, Queensland 4670, Australia.
Feary DA; Ecology and Evolution Group, School of Life Sciences, University of Nottingham, NG7 2RD, United Kingdom.
Hoey AS; ARC Centre of Excellence for Coral Reef Studies, James Cook University, Townsville, Queensland 4811, Australia.
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Źródło:
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Marine pollution bulletin [Mar Pollut Bull] 2016 Apr 30; Vol. 105 (2), pp. 459-65. Date of Electronic Publication: 2015 Nov 10.
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Typ publikacji:
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Journal Article; Research Support, Non-U.S. Gov't
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Język:
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English
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Imprint Name(s):
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Publication: 2003- : Oxford : Elsevier
Original Publication: London, Macmillan.
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MeSH Terms:
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Animal Distribution*
Coral Reefs*
Sea Urchins/*physiology
Animals ; Indian Ocean ; Population Dynamics ; United Arab Emirates
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Contributed Indexing:
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Keywords: Coral reefs; Echinometra mathaei; Persian Gulf; Sea urchin; Spatio–temporal
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Entry Date(s):
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Date Created: 20151114 Date Completed: 20161215 Latest Revision: 20181202
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Update Code:
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20240104
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DOI:
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10.1016/j.marpolbul.2015.11.026
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PMID:
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26563547
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Echinometra mathaei is a common echinoid on tropical reefs and where abundant plays an important role in the control of algal communities. Despite high prevalence of E. mathaei on southern Persian/Arabian Gulf reefs, their abundance and distribution is poorly known. Spatial and temporal patterns in population abundance were examined at 12 sites between breakwater and natural reef habitats in Dubai (UAE) every 3 months from 2008 to 2010. Within the breakwater habitat, densities were greatest at shallow wave-exposed sites, and reduced with both decreasing wave-exposure and increasing depth. Interestingly, E. mathaei were significantly more abundant on exposed breakwaters than natural reef sites, presumably due to differences in habitat structure and benthic cover. Population abundances differed seasonally, with peak abundances during summer (July-September) and lower abundances in winter (December-February). Seasonal fluctuations are likely the result of peak annual recruitment pulses coupled with increased fish predation from summer to winter.
(Copyright © 2015 Elsevier Ltd. All rights reserved.)
