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Aggressive interactions between corals at different depths at Davies Reef, central Great Barrier Reef

Name: Aggressive interactions between corals at different depths at Davies Reef, central Great Barrier Reef
Published: 2025

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/19c99c3f-e1a2-440e-bab3-b93fbfd5fac8&rft.title=Aggressive interactions between corals at different depths at Davies Reef, central Great Barrier Reef&rft.identifier=https://apps.aims.gov.au/metadata/view/19c99c3f-e1a2-440e-bab3-b93fbfd5fac8&rft.publisher=Australian Institute of Marine Science (AIMS)&rft.description=Observations of aggressive interactions between scleractinian corals were made on the southeast side of Davies Reef. In the first survey, conducted at a depth of 10 m, pairs of coral species involved in interactions were identified and the coral sustaining tissue death noted. The minimum distance between the living tissue of each was also measured (the reach). In the second survey, a 3x3 m rope grid, divided into nine 1 m² quadrats was laid on the reef flat at a depth of 1m. In each quadrat the number of interactions involving tissue death of one party was recorded. Coral pairs, positioned close enough to be within interaction reach of one of them were also recorded, including cases where no interaction occurred. The number of coral colonies and visual estimates of coral cover in each quadrat were also recorded. This procedure was repeated at 7 intervals down the reef slope to a depth of 30 m. Surveys were conducted to:1. measure the interaction reach of a range of coral species. Reach is defined as the distance from the retracted tissue of the dominant coral to the nearest living tissue of the subordinate coral2. determine if there are differences in the frequency of aggressive interactions with depthThe interaction mechanism causing tissue death was not investigated.Maintenance and Update Frequency: notPlannedStatement: Statement: The number of interactions is likely to be an underestimate, as only corals that were partially affected and still remained visible were recorded. Small, totally killed colonies would be quickly overgrown.&rft.creator=Australian Institute of Marine Science (AIMS) &rft.date=2025&rft.coverage=westlimit=147.623172; southlimit=-18.852712; eastlimit=147.672736; northlimit=-18.800362&rft.coverage=westlimit=147.623172; southlimit=-18.852712; eastlimit=147.672736; northlimit=-18.800362&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). (2010). Aggressive interactions between corals at different depths at Davies Reef, central Great Barrier Reef. https://apps.aims.gov.au/metadata/view/19c99c3f-e1a2-440e-bab3-b93fbfd5fac8, 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). (2010). Aggressive interactions between corals at different depths at Davies Reef, central Great Barrier Reef. https://apps.aims.gov.au/metadata/view/19c99c3f-e1a2-440e-bab3-b93fbfd5fac8, 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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Observations of aggressive interactions between scleractinian corals were made on the southeast side of Davies Reef. In the first survey, conducted at a depth of 10 m, pairs of coral species involved in interactions were identified and the coral sustaining tissue death noted. The minimum distance between the living tissue of each was also measured (the reach). In the second survey, a 3x3 m rope grid, divided into nine 1 m² quadrats was laid on the reef flat at a depth of 1m. In each quadrat the number of interactions involving tissue death of one party was recorded. Coral pairs, positioned close enough to be within interaction reach of one of them were also recorded, including cases where no interaction occurred. The number of coral colonies and visual estimates of coral cover in each quadrat were also recorded. This procedure was repeated at 7 intervals down the reef slope to a depth of 30 m.
Surveys were conducted to:1. measure the interaction reach of a range of coral species. "Reach" is defined as the distance from the retracted tissue of the dominant coral to the nearest living tissue of the subordinate coral2. determine if there are differences in the frequency of aggressive interactions with depthThe interaction mechanism causing tissue death was not investigated.

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Maintenance and Update Frequency: notPlanned

Statement: Statement: The number of interactions is likely to be an underestimate, as only corals that were partially affected and still remained visible were recorded. Small, totally killed colonies would be quickly overgrown.

Notes

Credit
Sheppard, Charles RC, Dr (Principal Investigator)

Modified: 19 09 2025

This dataset is part of a larger collection

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text: westlimit=147.623172; southlimit=-18.852712; eastlimit=147.672736; northlimit=-18.800362

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Other Information

'Reach' of aggressively interacting corals, and relative importance of interactions at different depths: Sheppard CRC (1982) 'Reach' of aggressively interacting corals, and relative importance of interactions at different depths. 2: 363-368. In: Gomez E, Birkeland CE, Buddemeier RW, Johannes RE, Marsh JA and Tsuda RT (eds) The Reef and Man. Proceedings of the 4th International Coral Reef Symposium, Manila Philippines, 18-22 May 1981. Marine Sciences Center, University of the Philippines.

local : articleId=3476

Identifiers

global : 19c99c3f-e1a2-440e-bab3-b93fbfd5fac8