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Effects of damselfish on corals at Britomart Reef, Great Barrier Reef

Australian Institute of Marine Science
Australian Institute of Marine Science (AIMS)
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ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=https://apps.aims.gov.au/metadata/view/e181589b-d9a4-4d0f-88de-99d12f25ef7b&rft.title=Effects of damselfish on corals at Britomart Reef, Great Barrier Reef&rft.identifier=https://apps.aims.gov.au/metadata/view/e181589b-d9a4-4d0f-88de-99d12f25ef7b&rft.publisher=Australian Institute of Marine Science (AIMS)&rft.description=A series of photographs were taken of experimental conditions over a two-year period and analysed using digitizing techniques to determine direct and indirect effects of fish grazing, damselfish territoriality, and external bioerosion of dead coral substratumPieces of the freshly killed plating coral Pachyseris speciosa were placed under four experimental conditions on Britomart Reef: (1) within cages designed to exclude grazing fish; (2) within the territories of the damselfish Hemiglyphidodon plagiometopon; (3) beneath shade-tops to control for a decrease in light; and (4) outside damselfish territories, fully exposed to fish grazing.Three replicates (A, B, C) were conducted for each set of conditions, placed on the reef 9-11 m deep, and time-lapse photographs taken.Of the 12 plates, 3 subsets were exposed for 8, 12, 24 months.A parallel study was run at the same location and time using the same experimental design to examine the effects of fish grazing on coral recruitment. The number of competitive interactions and successful outcomes (for coral) were recorded between Acropora spat and other sessile epibiota (green alga - Palmophyllum sp.; Foram; red algae - Ceramium procumbens, Centroceras clavulatum, Gracilariopsis rhodotricha, Polysiphonia subtilissima; bryozoans; filamentous green algae; sessile polychaete - sandy tube). To determine the relationship between fish grazing, damselfish territoriality, and external bioerosion of dead coral substratum. Taxa: scarids (parrotfish); ;acanthurids (surgeonfish); small fish (Pomacentrus molluccensis, blennies); small invertebrates (pagurid and galatheid crabs - Galathea subsquamata). Three categories of borers were identified: Cliothosa hancocki; other sponges (Cliona viridis complex); and 'worms' (included polychaetes and sipunculids - Cleosiphon aspergillum).Coral recruit taxa: Acroporidae (Acropora, Seriatopora hystrix); Caryophylliid or Pectiniid (A); Fungiidae (Fungia A?, B, Compound Fungiid A); Faviid A; Mussid (A, B, C); Oculinidae (Galaxea?); Pocilloporidae (Stylophora?, possibly Pocillipora); Poritidae (Alueopora?, Porites probably P. andrewsi); Unidentified.Maintenance and Update Frequency: notPlannedStatement: Statement: Only series greater than or equal to 4 sample points were considered for analysis.&rft.creator=Australian Institute of Marine Science (AIMS) &rft.date=2024&rft.coverage=westlimit=146.75; southlimit=-18.23333; eastlimit=146.75; northlimit=-18.23333&rft.coverage=westlimit=146.75; southlimit=-18.23333; eastlimit=146.75; northlimit=-18.23333&rft_rights=Creative Commons Attribution-NonCommercial 3.0 Australia License http://creativecommons.org/licenses/by-nc/3.0/au/&rft_rights=Use Limitation: All AIMS data, products and services are provided as is and AIMS does not warrant their fitness for a particular purpose or non-infringement. While AIMS has made every reasonable effort to ensure high quality of the data, products and services, to the extent permitted by law the data, products and services are provided without any warranties of any kind, either expressed or implied, including without limitation any implied warranties of title, merchantability, and fitness for a particular purpose or non-infringement. AIMS make no representation or warranty that the data, products and services are accurate, complete, reliable or current. To the extent permitted by law, AIMS exclude all liability to any person arising directly or indirectly from the use of the data, products and services.&rft_rights=Attribution: Format for citation of metadata sourced from Australian Institute of Marine Science (AIMS) in a list of reference is as follows: Australian Institute of Marine Science (AIMS). (2009). Effects of damselfish on corals at Britomart Reef, Great Barrier Reef. https://apps.aims.gov.au/metadata/view/e181589b-d9a4-4d0f-88de-99d12f25ef7b, accessed[date-of-access].&rft_rights=Resource Usage:Use of the AIMS data is for not-for-profit applications only. All other users shall seek permission for use by contacting AIMS. Acknowledgements as prescribed must be clearly set out in the user's formal communications or publications.&rft_subject=oceans&rft.type=dataset&rft.language=English Access the data
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Creative Commons Attribution-NonCommercial 3.0 Australia License
http://creativecommons.org/licenses/by-nc/3.0/au/

Use Limitation: All AIMS data, products and services are provided "as is" and AIMS does not warrant their fitness for a particular purpose or non-infringement. While AIMS has made every reasonable effort to ensure high quality of the data, products and services, to the extent permitted by law the data, products and services are provided without any warranties of any kind, either expressed or implied, including without limitation any implied warranties of title, merchantability, and fitness for a particular purpose or non-infringement. AIMS make no representation or warranty that the data, products and services are accurate, complete, reliable or current. To the extent permitted by law, AIMS exclude all liability to any person arising directly or indirectly from the use of the data, products and services.

Attribution: Format for citation of metadata sourced from Australian Institute of Marine Science (AIMS) in a list of reference is as follows: "Australian Institute of Marine Science (AIMS). (2009). Effects of damselfish on corals at Britomart Reef, Great Barrier Reef. https://apps.aims.gov.au/metadata/view/e181589b-d9a4-4d0f-88de-99d12f25ef7b, accessed[date-of-access]".

Resource Usage:Use of the AIMS data is for not-for-profit applications only. All other users shall seek permission for use by contacting AIMS. Acknowledgements as prescribed must be clearly set out in the user's formal communications or publications.

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Brief description

A series of photographs were taken of experimental conditions over a two-year period and analysed using digitizing techniques to determine direct and indirect effects of fish grazing, damselfish territoriality, and external bioerosion of dead coral substratumPieces of the freshly killed plating coral Pachyseris speciosa were placed under four experimental conditions on Britomart Reef: (1) within cages designed to exclude grazing fish; (2) within the territories of the damselfish Hemiglyphidodon plagiometopon; (3) beneath shade-tops to control for a decrease in light; and (4) outside damselfish territories, fully exposed to fish grazing.Three replicates (A, B, C) were conducted for each set of conditions, placed on the reef 9-11 m deep, and time-lapse photographs taken.Of the 12 plates, 3 subsets were exposed for 8, 12, 24 months.A parallel study was run at the same location and time using the same experimental design to examine the effects of fish grazing on coral recruitment. The number of competitive interactions and successful outcomes (for coral) were recorded between Acropora spat and other sessile epibiota (green alga - Palmophyllum sp.; Foram; red algae - Ceramium procumbens, Centroceras clavulatum, Gracilariopsis rhodotricha, Polysiphonia subtilissima; bryozoans; filamentous green algae; sessile polychaete - sandy tube). To determine the relationship between fish grazing, damselfish territoriality, and external bioerosion of dead coral substratum. Taxa: scarids (parrotfish); ;acanthurids (surgeonfish); small fish (Pomacentrus molluccensis, blennies); small invertebrates (pagurid and galatheid crabs - Galathea subsquamata). Three categories of borers were identified: Cliothosa hancocki; other sponges (Cliona viridis complex); and 'worms' (included polychaetes and sipunculids - Cleosiphon aspergillum).Coral recruit taxa: Acroporidae (Acropora, Seriatopora hystrix); Caryophylliid or Pectiniid (A); Fungiidae (Fungia A?, B, Compound Fungiid A); Faviid A; Mussid (A, B, C); Oculinidae (Galaxea?); Pocilloporidae (Stylophora?, possibly Pocillipora); Poritidae (Alueopora?, Porites probably P. andrewsi); Unidentified.

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Maintenance and Update Frequency: notPlanned
Statement: Statement: Only series greater than or equal to 4 sample points were considered for analysis.

Notes

Credit
Sammarco, Paul W, Dr (Principal Investigator)

Modified: 17 10 2024

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146.75,-18.23333

146.75,-18.23333

text: westlimit=146.75; southlimit=-18.23333; eastlimit=146.75; northlimit=-18.23333

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Other Information
Effects of grazing and damselfish territoriality on bioerosion of dead corals: direct effects: Sammarco PW, Carleton JH and Risk MJ (1986) Effects of grazing and damselfish territoriality on bioerosion of dead corals: direct effects. Journal of Experimental Marine Biology and Ecology 98: 1-19.

local : articleId=1945

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  • global : e181589b-d9a4-4d0f-88de-99d12f25ef7b
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