Shifts in species abundance of large benthic foraminifera Amphistegina: the possible effects of tropical cyclone Ita

Prazeres, Martina, Roberts, T. Edward and Pandolfi, John M. (2016) Shifts in species abundance of large benthic foraminifera Amphistegina: the possible effects of tropical cyclone Ita. Coral Reefs, 1-5. doi:10.1007/s00338-016-1497-x


Author Prazeres, Martina
Roberts, T. Edward
Pandolfi, John M.
Title Shifts in species abundance of large benthic foraminifera Amphistegina: the possible effects of tropical cyclone Ita
Formatted title
Shifts in species abundance of large benthic foraminifera Amphistegina: the possible effects of tropical cyclone Ita
Journal name Coral Reefs   Check publisher's open access policy
ISSN 0722-4028
1432-0975
Publication date 2016-09-02
Sub-type Article (original research)
DOI 10.1007/s00338-016-1497-x
Open Access Status Not yet assessed
Start page 1
End page 5
Total pages 5
Place of publication Heidelberg, Germany
Publisher Springer
Language eng
Formatted abstract
On the Great Barrier Reef (GBR), the large benthic foraminifera Amphistegina lobifera, A. lessonii and A. radiata occur in shallow (<30 m) areas and have a clear distribution gradient. In April 2014, Severe Tropical Cyclone (TC) Ita impacted the northern region of the GBR. We surveyed the leeward slope of Yonge Reef at 6 and 18 m, in August 2013 and 2014. Results showed an overall decline in abundance of Amphistegina and a shift in proportion at both depths between 2013 and 2014. The shallow-dweller A. lobifera was severely affected; however, the deep-dweller A. radiata and the generalist A. lessonii only declined at 6 m and increased in abundance at 18 m. Patterns observed are likely linked to the occurrence of TC Ita. We propose that differing population-level source–sink dynamics should be considered when exploring persistence and recovery patterns over depth in foraminiferal communities.
Keyword Community structure
Depth distribution
Great Barrier Reef
Symbiont-bearing foraminifera
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: HERDC Pre-Audit
School of Biological Sciences Publications
 
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