[Coral-List] Bleaching refuges
beridl at g.cofc.edu
Wed Mar 30 21:57:01 EDT 2016
I agree, where would funding come from?
Sent from my iPhone
> On Mar 29, 2016, at 4:03 PM, Douglas Fenner <douglasfennertassi at gmail.com> wrote:
> Well said, thank you very much for this idea. I think this idea is a
> good one, and well worth trying. We don't seem to have any other options
> at this point, and it could well work. Cheers, Doug
>> On Mon, Mar 28, 2016 at 12:40 PM, Paul Muir <paul.muir at qm.qld.gov.au> wrote:
>> I proposed this idea many years ago (~2005!) on coral list and am
>> wondering if anyone ever tried anything like this? Given the current
>> bleaching on the northern GBR and likelihood of other areas being hit soon
>> perhaps it's worth someone doing a trial? Desperate times..
>> Severe coral bleaching events can cause very high levels of coral morality
>> and the recovery of reefs following such events can be very slow. For
>> example, recovery of corals in the Seychelles Islands following the severe
>> 1998 bleaching event was extremely slow and regional extinction of some
>> species a possibility. Localised extinctions and slow recovery could be
>> mitigated if small areas of reef were protected during bleaching events:
>> corals have extremely high fecundity and only a few healthy individuals of
>> each species would needed to accelerate recovery. Field observations and
>> studies of the physiology of coral bleaching suggest that shading corals
>> during a high temperature event can reduce mortality rates. Small areas of
>> reef (to 10,000m2 area) could be provided with moderate shading by the use
>> of floating covers similar to those used in farm dams and industrial ponds.
>> Such covers are light, float upon the water surface and could be rapidly
>> deployed from a small boat during a high-temperature event. The covers
>> would be held in place with small anchors and inflatable seams would
>> provide a flexible, semi-rigid structure that would resist small waves and
>> swells at a protected site. High temperature bleaching events typically
>> occur during very flat, calm conditions over just a few weeks which makes
>> deploying floating covers such as this feasible. Real-time monitoring of
>> the development of bleaching conditions and small-scale engineering
>> solutions may become increasingly important for the preservation of
>> thermally sensitive species at local scales.
>> I can supply some ideas for a test-scale floating cover on request.
>> Dr. Paul Muir
>> Research Officer/ Collection Manager Corals, Biodiversity &
>> Geosciences Program
>> Museum of Tropical Queensland | Queensland Museum
>> 70 - 102 Flinders Street | Townsville | Queensland 4810 | Australia
>> t +61 7 47 260 642 | f +61 7 47 212 093 | m +61 407 117 998 |
>> Affiliate, Global Change Institute, University of Queensland
>> ResearchGate | Google Scholar | Staghorn Corals Website
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> Douglas Fenner
> Consultant, corals, coral reefs, coral identification
> "have regulator, will travel"
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