caa a22 4500 445819847 CHVBK 20180317145240.0 cr unu---uuuuu 170323e20111201xx s 000 0 eng 10.1007/s00338-011-0806-7 doi (NATIONALLICENCE)springer-10.1007/s00338-011-0806-7 Modal analysis of the deep-water solitary scleractinian, Desmophyllum dianthus , on SW Pacific seamounts: inferred recruitment periodicity, growth, and mortality rates [Elektronische Daten] [R. Thresher, J. Adkins, N. Thiagarajan] Little is known about the demography of corals inhabiting deep-sea features due to the logistical difficulties of working at the extreme depths they inhabit. To obtain basic information about growth, mortality, and recruitment dynamics for such a coral, we applied modal analysis to the size frequency distributions of live-caught and sub-fossil specimens of the widely distributed solitary cup coral, Desmophyllum dianthus, collected on SW Pacific seamounts. Comparison of live-caught material collected in 1997 and 2007-2009 indicated modal progression over time and an implied maximum age of approximately 190years, which is similar to ages determined previously for D. dianthus using radiometric techniques. A log-linear decline in the number of individuals with increasing size further implies a constant adult mortality rate, of 15.1% per annum in 1997 and 9.2% per annum in 2007-2009. The spacing of size modes in the 2007-2009 samples suggests regularly episodic recruitment events, at 22- to 32-year intervals, which may relate to periodic variability in large-scale Southern Ocean circulation. Preliminary analyses of size frequency distributions of the sub-fossil material suggest that the trophodynamics, growth, and adult mortality schedules of D. dianthus in the SW Pacific have remained basically similar throughout the Holocene. Springer-Verlag, 2011 Demography nationallicence Deep-sea nationallicence Scleractinia nationallicence Modal analysis nationallicence Holocene nationallicence Thresher R. CSIRO Climate Adaptation Flagship, GPO Box 1538, 7001, Hobart, TAS, Australia aut Adkins J. California Institute of Technology, Pasadena, CA, USA aut Thiagarajan N. California Institute of Technology, Pasadena, CA, USA aut Coral Reefs Springer-Verlag 30/4(2011-12-01), 1063-1070 0722-4028 30:4<1063 2011 30 338 https://doi.org/10.1007/s00338-011-0806-7 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s00338-011-0806-7 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Thresher R. CSIRO Climate Adaptation Flagship, GPO Box 1538, 7001, Hobart, TAS, Australia aut NATIONALLICENCE 700 1- Adkins J. California Institute of Technology, Pasadena, CA, USA aut NATIONALLICENCE 700 1- Thiagarajan N. California Institute of Technology, Pasadena, CA, USA aut NATIONALLICENCE 773 0- Coral Reefs Springer-Verlag 30/4(2011-12-01), 1063-1070 0722-4028 30:4<1063 2011 30 338 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer