Incongruence between the distribution of a common coral reef sponge and photosynthesis

Bannister, R. J., Hoogenboom, M. O., Anthony, K. R. N., Battershill, C. N., Whalan, S., Webster, N. S. and de Nys, R. (2011) Incongruence between the distribution of a common coral reef sponge and photosynthesis. Marine Ecology-Progress Series, 423 95-100. doi:10.3354/meps08886


Author Bannister, R. J.
Hoogenboom, M. O.
Anthony, K. R. N.
Battershill, C. N.
Whalan, S.
Webster, N. S.
de Nys, R.
Title Incongruence between the distribution of a common coral reef sponge and photosynthesis
Journal name Marine Ecology-Progress Series   Check publisher's open access policy
ISSN 0171-8630
1616-1599
Publication date 2011
Year available 2011
Sub-type Article (original research)
DOI 10.3354/meps08886
Open Access Status DOI
Volume 423
Start page 95
End page 100
Total pages 6
Place of publication Oldendorf, Germany
Publisher Inter-Research
Collection year 2012
Language eng
Formatted abstract
Symbiosis between coral reef fauna and microorganisms drives the growth, maintenance and diversity of coral reef habitats. Sponges, a key faunal component of coral reefs, form complex symbiotic relationships with microorganisms which may supply over half of their nutritional requirements through photosynthesis. The habitat distribution of the coral reef sponge Rhopaloeides odorabile correlates with light availability, suggestive of photosynthesis. The present study directly investigated the hypothesis that habitat distribution of R. odorabile is correlated with photosynthesis. Results of photorespirometry trials of 30 ind. exposed to light intensities between 0 and 900 µmol photons m–2 s–1 showed no evidence of photosynthesis. Furthermore, no photopigments were present in these sponges and no cyanobacteria could be detected within the tissue. These results did not vary between sponges collected from nutrient rich inner- and mid-shelf reefs, or from oligotrophic outer-shelf reefs. These findings demonstrate that R. odorabile is not a phototrophic sponge and that habitat distributions clearly correlated with light can be due to factors other than photosynthesis.
Keyword Symbiosis
Photosynthesis
Porifera
Rhopaloeides odorabile
Great Barrier Reef
Cyanobacteria
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Online publication date: February 10, 2011

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2012 Collection
Centre for Marine Studies Publications
 
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Created: Sun, 27 Mar 2011, 00:05:26 EST