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4th International Abalone Symposium Schedule of Events Main venue: Education Building, University of Cape Town |
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Saturday 5thth February 2000 |
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Technical Tour To Saldanha Bay – buses depart at 8.30am from Education Bldg Upper Entrance |
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Sunday 6th February 2000 Education Building Foyer (level 3) |
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3.30 – 5.30pm |
Registration |
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6.30pm - later. |
Welcome cocktails and finger supper Education Building Foyer (level 3) |
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Monday 7th February 2000 Education Building LT1 |
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7.00am – 8.30am |
Registration |
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8.30am – 8.45am |
Welcome and Opening of the Symposium - Peter Cook (Symposium Chairperson) |
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8.45am – 9.00am |
Opening address – Dr Scoresby Shepherd (President of the IAS) |
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9.00am – 9.15 am |
Announcements, directions, bits and pieces, Q & A – Neville Sweijd (Symposium Organiser) |
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Session 1 |
International Abalone Supply, Markets and Pricing (Chaired by H. Roy Gordon) |
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10 minute period for each speaker. |
H. Roy Gordon - Overview |
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Nagashisi Uki - Japan |
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Nie Zong Qing - China and Taiwan |
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Ray Fields - USA |
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Roberto Flores - Mexico |
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10.30am – 11.00am |
TEA |
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Session 1 Cont’d |
International Abalone Supply, Markets and Pricing continued (Chaired by H. Roy Gordon) |
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10 minute period for each speaker. |
Atilio Ziomi - South America |
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Michael Tokley - Australia |
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Rodney Roberts - New Zealand |
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André Du Plesis - South Africa |
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Gavin Burnell - Ireland and Europe |
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Alawi Salim Al-Hafidh - Oman |
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H. Roy Gordon - Iceland and other countries and summary |
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Questions and Discussion |
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Session 2 |
Larval Biology and Settlement (Chaired by Ricardo Searcy-Bernal) |
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12.30pm – 1.00pm |
Roberts, R. A review of larval settlement cues for abalone (Haliotis spp.). |
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1.00pm – 2.00pm |
LUNCH |
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Session 2 Cont’d |
Larval Biology and Settlement Continued (Chaired by Ricardo Searcy Bernal) |
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2.00pm - 2.20pm |
Sasaki, R. Post-settlement observation of Ezo abalone, Haliotis discus hannai in conjunction with flora. |
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2.20pm - 2.40pm |
Daume, S.*, Krsinich, A., Farrell, S. and M. Gervis Growth and survival of Haliotis rubra post-larvae feeding on different algal species. |
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2.40pm - 3.00pm |
Anguiano Beltrán, C.*, Searcy Bernal, R. and A. Esparza Hernández The effect of irradiance on the survival and growth of abalone post-larvae of Haliotis fulgens fed with Navicula incerta. |
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3.00pm - 3.20pm |
Roberts, R.* and C. Lapworth Starvation tolerance of post-larval abalone (Haliotis iris) |
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3.20pm- 3.50pm |
TEA |
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Session 2 Cont’d |
Larval Biology and Settlement Continued (Chaired Susan McBride) |
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3.50pm – 4.10pm |
Kawamura, T.*, Takami, H. and Y. Yamashita Effects of delayed metamorphosis on survival and growth of newly metamorphosed Haliotis discus hannai. |
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4.10pm – 4.30pm |
Searcy Bernal, R.*, Vélez Espino, L. A. and C. Anguiano Beltrán Effect of biofilm density on grazing rates of Haliotis fulgens postlarvae. |
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4.30pm – 4.50pm |
Sawatpeera, S.*, Suchart Upatham, E., Kruatrachue, M.,Chitramvong, Y. P., Sonchaeng, P., Pumthong, T. and J. Nugranad Larval development of Haliotis asinina Linnaeus |
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4.50pm – 5.10pm |
Searcy Bernal, R.*, Vélez Espino, L. A. and C. Anguiano Beltrán The effect of starvation on grazing rates of Haliotis fulgens postlarvae. |
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6.30pm –Onwards Dinner: Braai at the UCT Club Sports Centre – Upper Campus |
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Tuesday 8th February 2000 Morning Parallel Session Education Building LT1 |
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Session 3 |
Abalone Diseases (Chaired by Rob Day) |
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8.30am – 9.00am |
Friedman, C. S.*, Robbins, T., Jacobsen, J. L. and J. D. Shields The cellular immune response of black abalone, Haliotis cracherodii Leach, with and without Withering Syndrome. |
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9.00am – 9.20am |
Tai-wu, L.*, Xiang, J. and R. Liu Studies on phage control of pustule disease in abalone Haliotis discus hannai |
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9.20am – 9.40am |
Cáceres-Martínez, J.*, Alvarez-Tinajero, J., González Avilés, G. and Y. Guerrero Rentería .Rikettsiales-like prokaryotes in cultured and natural populations of the red abalone Haliotis rufescens, blue abalone Haliotis fulgens and the yellow abalone Haliotis corrugata from Baja California, México. |
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9.40am – 10.00am |
Moore, J. D.*, Robbins, T. T. and C. S. Friedman The role of a Rickettsia-like prokaryote in Withering Syndrome in California red abalone, Haliotis rufescens |
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10.00am – 10.20am |
A. Mouton Health management and disease surveillance in abalone, Haliotis midae, in South Africa |
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10.20 – 10.50am |
TEA |
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Session 3 Cont’d |
Abalone Diseases Continued (Chaired by Muki Shpigel) |
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10.50am – 11.10am |
Friedman, C. S.*, Andree, K. B., Robbins, T. T., Shields, J. D., Moore, J. D., Beauchamp, K. and R. P. Hedrick "Candidatus Xenohaliotis californiensis", a newly described bacterial pathogen and etiological agent of Withering Syndrome found in abalone, Haliotis spp., along the west coast of North America. |
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11.10am – 11.30am |
Pitcher, G.*, Franco, J., Whyte, K. and C. Viljoen Abalone (Haliotis midae) farming and paralytic shellfish poisoning on the coast of South Africa |
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11.30am – 11.50pm |
Loubser, N.C.* and N. Dormehl The use of ultrasound in the treatment of sabellid infestations in South African abalone |
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11.50pm – 12.10pm |
Day, R.*, Culver, C., Kuris, A., Belcher, A. and D. Morse The parasite Terebrasabella heterouncinata (Polychaeta) manipulates shell synthesis in Haliotis rufescens |
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Session 5 |
Fisheries Management (Chaired by Muki Shpigel) |
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12.10pm – 12.40pm |
R.J.Q. Tarr The South African abalone (Haliotis midae) fishery: a decade of challenges and change |
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12.40pm – 1.30pm |
LUNCH (Demonstration of Tammy the SAPS abalone sniffer dog) |
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Tuesday 8th February 2000 Morning Parallel Session Education Building LT2 |
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Session 4 |
Stock Assessment (Chaired by Scoresby Shepherd) |
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8.30am – 9.00am |
R. A. Officer Distance-based abundance estimation for abalone |
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9.00am – 9.20am |
Lucas, B. G.*, Campbell, A., Clapp, B. and G.S. Jamieson Growth and ageing of pinto abalone, Haliotis kamtschatkana in Barkley Sound, British Columbia |
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9.20am – 9.40am |
Ortiz Quintanilla, M.*, Lucero M., G. and J. E. Patron V. Status of the abalone fishery between 1996 and 1999 on abalone locations of the fishing co-operative production society "La Purisima", S.C. de R.l., Baja California Sur, Mexico |
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9.40am – 10.00am |
Carreón Palau, L., Guzmán del Próo, S. A.*, Belmar P., J., Carrillo L., J., Herrera F., R. and A. Villa B. Microhabitat, distribution and abundance of juveniles of Haliotis fulgens and H. corrugata in Bahía Tortugas, Mexico |
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Session 6 |
Fisheries Modelling (Chaired by Rick Officer) |
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10.00am – 10.20am |
Gorfine, H. K.* and C. D. Dixon A behavioural rather than resource-focussed approach may be needed to ensure sustainability of quota managed abalone fisheries |
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10.20 – 10.50am |
TEA |
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10.50am – 11.10am |
Taylor, N. A.*, McGarvey, R. and S. J. Hall A parameter estimation model for greenlip abalone (Haliotis laevigata) population dynamics |
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11.10am – 11.30am |
Plagányi, É. E.* and D. S. Butterworth Clues and questions from population models applied to the South African abalone (Haliotis midae) fishery. |
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11.30am – 11.50pm |
M. Haddon Size-structured models of abalone populations with a cryptic component to the stock |
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11.50pm – 12.10pm |
Taylor, N. A.*, Hall, S. J. and R. McGarvey Simulations of random fishing behaviour as an independent test for active targeting of greenlip abalone (Haliotis laevigata) aggregations |
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12.10pm –12.40pm |
Session 5 - See LT1 above |
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12.40pm – 1.30pm |
LUNCH (Demonstration of Tammy the SAPS abalone sniffer dog) |
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Tuesday 8th February 2000 Education Building LT1 |
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Session 5 Cont’d |
Fisheries Management Continued (Chaired by Sergio Guzmán del Próo) Education LT1 |
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1.30pm – 2.00pm |
Tegner, M.J.*, Haaker, P. L., Riser, K. L. and L. I. Vilchis Climate variability, kelps, and the Southern California red abalone fishery |
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2.00pm – 2.20pm |
Shepherd, S. A.* and K. R. Rodda A chronicle of collapse: the dynamics of two overfished greenlip abalone populations |
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2.20pm- 2.40pm |
Rogers-Bennett, L., Haaker, P. and K. Karpov Selecting and evaluating Marine Protected Areas for abalone in California |
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2.40pm – 3.00pm |
H.K. Gorfine Triggers and targets: What are we aiming for with abalone fisheries models? |
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3.00.pm- 3.20pm |
T. Horii Assessment of the effects of fishing intensity on stock levels in the abalone diving fishery |
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3.20pm –3.40pm |
M. Tokley Industry perspective on abalone management in South Australia |
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3.40pm – 4.00pm |
TEA |
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Session 5 Cont’d |
Fisheries Management Continued (Chaired by Rob Tarr) |
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4.00pm- 4.20pm |
M. Hauck An overview of state and non-state responses to abalone poaching in South Africa |
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4.20pm – 4.40pm |
O’Loughlin, J. L.* and S. A. Shepherd Biological reference points for the greenlip abalone (Haliotis laevigata) in different habitats across its geographic range |
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4.40pm – 5.00pm |
Guzmán del Próo, S. A.*, Salinas, F., Zaytsev, O., Belmar Pérez, J. and J. Carrillo Laguna Dispersion potential of reproductive products and larval stages of abalone (Haliotis spp.; Mollusca:Gastropoda) in relation to the hydrodynamics of Bahía Tortugas, Mexico |
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5.00pm- 5.20pm |
Tegner, M. J., Karpov, K. A.* and P. Kalvass Abalones and sea urchins: biological and fisheries interactions |
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5.20pm – 5.40pm |
Shepherd, S. A.* and K. M. Rodda Serial decline of the South Australian greenlip and blacklip abalone fishery: time for a requiem mass or a revival hymn ? |
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6.30pm – 10.00pm |
Sundowners at the Two Oceans Aquarium V&A Waterfront Buses Leave from Education Building Upper Entrance at 6.15pm |
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Wednesday 9th February 2000 Workshop Day |
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8.30am – 4.30pm |
Diatoms Workshop (convener: Rodney Roberts) 3rd Yr Lab. Zoology Dept. Upper Campus |
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8.30am – 4.30pm |
Shellfish Disease Workshop (convener: Carolyn Friedman) 4th Yr Lab. Zoology Dept. Upper Campus |
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10.30am-11.00am |
TEA |
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8.30am – 12.30pm |
Compliance Workshop (convener: Brian Hemming) Education LT1 |
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12.30pm-2.00pm |
LUNCH |
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2.00pm – 4.30pm |
Stock Assessment Workshop (convener Rick Officer) Education LT1 |
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3.00pm-3.30pm |
TEA |
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5.00pm |
Post-Workshop Drinks / Shell Trading Education Foyer (Level 3) |
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Thursday 10th February 2000 Education Building LT1 |
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Session 7 |
Abalone Aquaculture (Chaired by Mia Tegner) |
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8.30am-8.50am |
McBride, S. C.*, Rotem, E., Ben-Ezra, D. and M. Shpigel Evaluation of seasonal bioenergetics of Haliotis fulgens and Haliotis tuberculata |
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8.50am-9.10am |
Hindrum, S.*, Burke, C., Edwards, S. and D. Johns Effect of simulated systems failure on growth of greenlip (Haliotis laevigata) and blacklip (H. Rubra) abalone. |
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9.10am-9.30am |
De Waal, S.* and P. Cook Quantifying the physical and biological attributes of successful ocean seeding sites for farm reared juvenile abalone (Haliotis midae) |
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9.30am-9.50am |
Edwards, S.*, Burke, C., Hindrum, S. and D. Johns Recovery and growth effects of anaesthetic and mechanical removal on greenlip (Haliotis laevigata) and blacklip (Haliotis rubra) abalone. |
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9.50am-10.10am |
Ragg, N. L. C.*, Taylor, H. H. and J. Behrens Stress and weight loss associated with handling in the blackfoot abalone, Haliotis iris |
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10.10am-10.30am |
Harris, J. O.*, Burke, C. M., Edwards, S. J. and D. R. Johns Effect of oxygen supersaturation and temperature on juvenile greenlip, Haliotis laevigata, and blacklip, Haliotis rubra, abalone |
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10.30am-11.00am |
TEA |
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Session 7 Cont’d |
Abalone Aquaculture continued (Chaired by Gavin Burnell) |
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11.00am-11.20am |
Z. Hongen. Research into a new technology for artificial abalone breeding |
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11.20am-11.40am |
Friedman, K. J., Maguire, G. and K. O. Hahn* Evaluation of on-shore and sea-based culture systems for Roe’s abalone (Haliotis roei) in Western Australia |
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Session 8 |
Genetics (Chaired by Gavin Burnell) |
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11.40am-12.10pm |
Elliott, N. G.*, Evans, B., Conod, N., Bartlett, J., Officer, R. and N.A. Sweijd Application of molecular genetics to the understanding of abalone population structure – Australian and South African case studies. |
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12.10pm-12.30pm |
M. A. del Río Portilla Population genetics of the yellow abalone, Haliotis corrugata, in Cedros and San Benito Islands |
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12.30pm-12.50pm |
Lopata, A. L.*, Luijkx, T., Sweijd, N. A. and P.A. Cook Immunological detection of various abalone species. |
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12.50pm-1.50pm |
LUNCH |
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Session 8 Cont’d |
Genetics Continued (Chaired by Peter Hanna) |
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1.50pm-2.10pm |
Sweijd, N. A.*, Evans, B., Elliott, N. G. and P. A. Cook Molecular tools for compliance enforcement – the identification of southern hemisphere abalone species from abalone products |
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2.10pm-2.30pm |
Evans, B.*, White, R. W. G. and N. G. Elliott The use of microsatellite markers for parentage analysis in Australian Blacklip and hybrid abalone |
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2.30pm-2.50pm |
Gutiérrez González, J. L., Ibarra, A. M. and M. A. del Río Portilla* Genetic variability of the blue abalone Haliotis fulgens in the West coast of Baja California, Mexico |
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2.50pm – 3.10pm |
Selvamani, M. J. P.*, Degnan, S. M., Paetkau, D. and B. M. Degnan Isolation and characterization of microsatellite DNA markers for the tropical abalone, Haliotis asinina |
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3.10pm – 3.40pm |
TEA |
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Session 8 Cont’d |
Genetics Continued (Chaired by Peter Hanna) |
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3.40pm-4.00pm |
Zhang, G.*, Wang, Z., Chang, Y., Song, J., Ding, J., Zhao, S. and X. Guo Tetraploid induction in the Pacific abalone Haliotis discus hannai Ino with 6-DMAP and CB |
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4.00pm-4.20pm |
Licona Chávez, A. L. and M. A. del Río Portilla* Genetic analysis of a cultured population of the red abalone, Haliotis rufescens, in Mexico |
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4.20pm-4.40pm |
T.A. Hancock Genetic subdivision of the abalone Haliotis roei in south western Australia |
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4.40pm-5.00pm |
Cummins, S., Thongkukiatkul, A. and P. J. Hanna* Location of egg-laying hormone in reproductive structures and neurons of Haliotis using antibodies raised against recombinant fusion proteins. |
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7.00pm – late |
Symposium Banquet Groot Constantia Tavern Buses Leave from Education Building Upper Entrance at 6.30pm |
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Friday 11th February 2000 Morning Parallel Session Education Building LT1 |
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Session 9 |
Abalone Nutrition (Chaired by Anne Fleming) |
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8.15am-8.35am |
Cuthbert, C., Burnell, G.* and J. Connolly Preliminary trials with "green" artificial diets for juvenile abalone and sea urchins. |
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8.35am-8.55am |
Shipton, T. A.* and P. J. Britz Partial and total substitution of fishmeal with plant protein concentrates in formulated diets for the South African abalone, Haliotis midae |
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8.55am-9.15am |
Jackson, D. J.*, Williams, K. and B. Degnan Analysis of the suitability of Australian formulated diets for the aquaculture of the tropical abalone, Haliotis asinina Linneus |
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9.15am-9.35am |
Enríquez, A., Shimada, A., Vásquez, C. and M. T. Viana* In vitro digestion of cellulose with stomach extracts from abalone (Haliotis fulgens) |
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9.35am-9.55am |
Vandepeer, M. E.*, Hone, P. W., van Barneveld, R. J. and J. N. Havenhand The digestibility of raw, autoclaved and phytase treated legumes in greenlip abalone, Halitois laevigata |
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9.55am-10.15am |
Fermin, A. C., Bautista Teruel, M. and S. M. Buen Compensatory growth after intermittent food deprivation and refeeding in the donkey's ear abalone, Haliotis asinina (Linnaeus 1758) |
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10.15am-10.45am |
TEA |
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Session 9 Cont’d |
Abalone Nutrition continued (Chaired by Anne Fleming) |
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10.45am-11.05am |
Boarder, S. J.* and M. Shpigel Comparative growth performance of juvenile Haliotis roei fed on enriched Ulva rigida and various artificial diets |
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11.05am-11.25am |
Litaay, M.* and S. S. De Silva Reproductive performance indices based on physical characteristics of the female blacklip abalone Haliotis rubra L. |
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11.25am-11.45am |
Shpigel, M.*, Ragg, N. L. C., Lupatsch, I. and A. Neori Protein content determines the nutritional value of the seaweed Ulva lactuca for the abalone Haliotis tuberculata, H. discus hannai and H. fulgens |
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11.45am-12.05pm |
Bautista Teruel, M. N.* and O. M. Millamena Diet development and evaluation for juvenile donkey’s ear abalone, Haliotis asinina, Linne. lipid levels |
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12.05pm-12.40pm |
Tan, B. and K. Mai* Availability and dietary requirements for phosphorus in juvenile abalone, Haliotis discus hannai Ino Mai, K*. and B. Tan Zinc and Iron in the forms of methionine chelation or sulfates as dietary mineral sources for juvenile abalone, Haliotis discus hannai Ino. |
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12.40pm-1.40pm |
LUNCH |
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Friday 11th February 2000 Morning Parallel Session Education Building LT2 |
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8.30am-10.15am |
Genetics Workshop (Convener: Nick Elliott) |
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10.15am-10.45am |
TEA |
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10.30am-12.30am |
Genetics Workshop continued (Convener by Nick Elliott) |
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12.40pm-1.40pm |
LUNCH |
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Friday 11th February 2000 Education Building LT1 |
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Session 10 |
Biology and Physiology (Chaired by Maria Teresa Viana) |
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1.40pm-2.00pm |
Day, R. W.*, Hawkes, G. P. and V. Gomelyuck Are abalone shell layers deposited annually? Validation using manganese vital staining. |
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2.00pm-2.20pm |
B. Gray Variation in mineralogy in the New Zealand blackfoot abalone Haliotis iris shell. |
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2.20pm-2.40pm |
He, G. and K. Mai* Ontogenetic trends of shell biomineralization in abalone, Haliotis discus hannai Ino. |
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2.40pm-3.00pm |
Thongkukiatkul, A., Kruatrachue, M.*, Suchart Upatham, E., Sobhon, P., Wanichanon, C., Chitramvong, Y. and T. Pumthong Ultrastructure of neurosecretory cells in the cerebral and pleuro-pedal ganglia of Haliotis asinina Linnaeus |
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3.00pm-3.20pm |
Reddy-Lopata, K.*, Lopata, A. L. and P. A. Cook Toxicity and tolerance levels of ammonia in abalone (Haliotis midae) |
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3.20pm-3.40pm |
Drew, B., Miller, D., Toop, T. and P. Hanna* Identification of expressed HSPs in blacklip abalone (Haliotis rubra) during heat and salinity stresses |
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3.40pm-4.00pm |
TEA |
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4.00pm-4.30pm |
Poster Feedback Session. |
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4.30pm-5.00pm |
Open meeting of the International Abalone Society. |
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5.00pm |
Announcement of the next IAS meeting and closing. |
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Saturday 12th February 2000 Education Building LT1 |
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8.30am – 4.30pm |
Diatoms Workshop (convener: Rodney Roberts) 3rd Yr Lab. Zoology Dept. Upper Campus |
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8.30am – 4.30pm |
Shellfish Disease Workshop (convener: Carolyn Friedman) 4th Yr Lab. Zoology Dept. Upper Campus |
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Technical Tour To Saldanha Bay – buses depart at 8.30am from Education Bldg Upper Entrance |
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Sunday 13th February 2000 Education Building LT1 |
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Technical Tour To Hermanus Bay – buses depart at 8.30am from Education Bldg Upper Entrance |