In the deeper Great Barrier Reef, between depths of about 30m to 100m, lie ancient coral reefs formed when sea levels were lower. Now drowned, these deep reefs are the habitat for mesophotic (light dependent) corals and algae attached to the hard coral rock.
The northern GBR has the world’s largest area of Halimeda bioherms, or mounds of calcareous sediment built up by this green algae. These deep reefs provide scientists with information about the reef’s resilience that can be used for its conservation
PUBLICATIONS
Abbey, E., Webster, J.M., Beaman, R.J., 2011. Geomorphology of submerged reefs on the shelf edge of the Great Barrier Reef: The influence of oscillating Pleistocene sea-levels. Marine Geology 288(1-4), 61-78. doi: 10.1016/j.margeo.2011.08.006
Beaman, R.J., Bridge, T.C.L., Lüter, C., Reitner, J., Wörheide, G., 2016. Spatial patterns in the distribution of benthic assemblages across a large depth gradient in the Coral Sea, Australia. Marine Biodiversity 46(4), 795-808. doi: 10.1007/s12526-015-0434-5
Beaman, R.J., Webster, J.M., Wust, R.A.J., 2008. New evidence for drowned shelf edge reefs in the Great Barrier Reef, Australia. Marine Geology 247, 17-34. doi: 10.1016/j.margeo.2007.08.001
Bongaerts, P., Bridge, T.C.L., Kline, D.I., Muir, P.R., Wallace, C.C., Beaman, R.J., Hoegh-Guldberg, O., 2011. Mesophotic coral ecosystems on the walls of Coral Sea atolls. Coral Reefs 30(2), 335. doi: 10.1007/s00338-011-0725-7
Bridge, T., Beaman, R., Done, T., Webster, J., 2012. Predicting the location and spatial extent of submerged coral reef habitat in the Great Barrier Reef World Heritage Area, Australia. PLOS ONE 7(10), e48203. doi: 10.1371/journal.pone.0048203
Bridge, T.C.L., Done, T.J., Beaman, R.J., Friedman, A., Williams, S.B., Pizarro, O., Webster, J.M., 2011a. Topography, substratum and benthic macrofaunal relationships on a tropical mesophotic shelf margin, central Great Barrier Reef, Australia. Coral Reefs 30(1), 143-153. doi: 10.1007/s00338-010-0677-3
Bridge, T.C.L., Done, T.J., Friedman, A., Beaman, R.J., Williams, S.B., Pizarro, O., Webster, J.M., 2011b. Variability in mesophotic coral reef communities along the Great Barrier Reef, Australia. Marine Ecology Progress Series 428, 63-75. doi: 10.3354/meps09046
Brooke, B.P., Nichol, S.L., Huang, Z., Beaman, R.J., 2017. Palaeoshorelines on the Australian continental shelf: Morphology, sea-level relationship and applications to environmental management and archaeology. Continental Shelf Research 134, 26-38. doi: 10.1016/j.csr.2016.12.012
Harris, P.T., Bridge, T.C.L., Beaman, R.J., Webster, J.M., Nichol, S., Brooke, B., 2013. Submerged banks in the Great Barrier Reef, Australia, greatly increase available coral reef habitat. ICES Journal of Marine Science 70(2), 284-293. doi: 10.1093/icesjms/fss165
Hinestrosa, G., Webster, J.M., Beaman, R.J., 2016. Postglacial sediment deposition along a mixed carbonate-siliciclastic margin: New constraints from the drowned shelf-edge reefs of the Great Barrier Reef, Australia. Palaeogeography, Palaeoclimatology, Palaeoecology 446, 168-185. doi: 10.1016/j.palaeo.2016.01.023
Hinestrosa, G., Webster, J.M., Beaman, R.J., Anderson, L.M., 2014. Seismic stratigraphy and development of the shelf-edge reefs of the Great Barrier Reef, Australia. Marine Geology 353, 1-20. doi: 10.1016/j.margeo.2014.03.016
Lindsay, D.J., Yoshida, H., Uemura, K., Yamamoto, H., Ishibashi, S., Nishikawa, J., Reimer, J.D., Beaman, R.J., Fitzpatrick, R., Fujikura, K., Maruyama, T., 2012. The untethered remotely operated vehicle PICASSO-1 and its deployment from chartered dive vessels for deep sea surveys off Okinawa, Japan, and Osprey Reef, Coral Sea, Australia. Marine Technology Society Journal 46(2), 20-32. doi: 10.4031/MTSJ.46.4.3
McNeil, M.A., Webster, J.M., Beaman, R.J., Graham, T.L., 2016. New constraints on the spatial distribution and morphology of the Halimeda bioherms of the Great Barrier Reef, Australia. Coral Reefs 35(4), 1343-1355. doi: 10.1007/s00338-016-1492-2
Nishikawa, J., Fitzpatrick, R., Reimer, J.D., Beaman, R.J., Yamamoto, H., Lindsay, D.J., 2011. In situ observation of Denise’s pygmy seahorse Hippocampus denise associated with a gorgonian coral Annella reticulata at Osprey Reef, Australia. Galaxea, Journal of Coral Reef Studies 13(1), 25-26. doi: 10.3755/galaxea.13.25