[Coral-List] Crown-of-Thorns outbreaks

Todd Barber reefball at reefball.com
Wed Oct 10 12:41:49 EDT 2012

Why would you try to remove them instead of just killing them in situ with
injection (for example with sodium bicarbonate).....according to your
abstract even at the highest concentration of crown of thorns your
efficiency at removal was only 14 starfish per hour of diving effort.....I
would suspect that is hardly feasible in any major outbreak effort given
typically limited resources.

Not meaning to be critical, just a curious question.


Todd R Barber
Chairman, Reef Ball Foundation

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On Tue, Oct 9, 2012 at 4:55 AM, Arthur Bos <arthurrbos at yahoo.com> wrote:

> Dear colleagues,
> Considering the recent crown-of-thorns outbreak in the GBR, I would like
> to bring the latest publication about this topic to your attention:
> Management of Crown-of-Thorns Sea Star (Acanthaster planci L.) Outbreaks:
> Removal Success Depends on Reef Topography and Timing within the
> Reproduction Cycle. Ocean and Coastal Management
> http://www.sciencedirect.com/science/article/pii/S0964569112002669?v=s5
> Although this publication describes smaller-scale outbreaks, it contains
> useful information and recommendations for the management of the recent
> outbreak in the GBR: Removal initiatives should primarily focus on isolated
> reefs, and, considering that the southern hemisphere populations will
> reproduce in 1-2 months, it is crucial that removal efforts will be
> initiated, performed, and/or intensified within the next couple of weeks.
> Feel free to contact me for more information.
> Regards. Arthur
> Dr. Arthur R. Bos
> Assistant Professor Marine Biology
> Biology Department
> The American University in Cairo
> P.O. Box 74, New Cairo 11835
> Egypt
> Tel.: +20 2 2615 2903
> Email: arthurrbos at yahoo.com
> Website: http://science.naturalis.nl/bos
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