Mass mortality following disturbance in Holocene coral reefs from Papua New Guinea

Pandolfi, J. M., Tudhope, A., Burr, G., Chappell, J., Edinger, E., Frey, M., Steneck, R., Sharma, C., Yeates, A., Jennions, M., Lescinsky, H. and Newton, A. (2006) Mass mortality following disturbance in Holocene coral reefs from Papua New Guinea. Geology, 34 11: 949-952. doi:10.1130/G22814A.1

Author Pandolfi, J. M.
Tudhope, A.
Burr, G.
Chappell, J.
Edinger, E.
Frey, M.
Steneck, R.
Sharma, C.
Yeates, A.
Jennions, M.
Lescinsky, H.
Newton, A.
Title Mass mortality following disturbance in Holocene coral reefs from Papua New Guinea
Journal name Geology   Check publisher's open access policy
ISSN 0091-7613
Publication date 2006-01-01
Year available 2006
Sub-type Article (original research)
DOI 10.1130/G22814A.1
Open Access Status Not yet assessed
Volume 34
Issue 11
Start page 949
End page 952
Total pages 4
Editor Jeanette Hammann
Place of publication Boulder
Publisher The Geological Society of America Inc.
Language eng
Subject C1
270705 Palaeoecology
760200 Environmental and Resource Evaluation
060206 Palaeoecology
Abstract The frequency and intensity of disturbance on living coral reefs have been accelerating for the past few decades, resulting in a changed seascape. What is unclear but vital for management is whether this acceleration is natural or coincident only with recent human impact. We surveyed nine uplifted early to mid-Holocene (11,000-3700 calendar [cal] yr B.P.) fringing and barrier reefs along similar to 27 km at the Huon Peninsula, Papua New Guinea. We found evidence for several episodes of coral mass mortality, but frequency was < 1 in 1500 yr. The most striking mortality event extends > 16 km along the ancient coastline, occurred ca. 9100-9400 cal yr B.P., and is associated with a volcanic ash horizon. Recolonization of the reef surface and resumption of vertical reef accretion was rapid (< 100 yr), but the post-disturbance reef communities contrasted with their pre-disturbance counterparts. Assessing the frequency, nature, and long-term ecological consequences of mass-mortality events in fossil coral reefs may provide important insights to guide management of modern reefs in this time of environmental degradation and change.
Keyword Coral Reefs
Mass Mortality
Papua New Guinea
Age Calibration
Q-Index Code C1
Institutional Status UQ

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Created: Wed, 15 Aug 2007, 18:54:37 EST