[Coral-List] Rugosity of artifical reefs

[yusri yusuf]

Hi,
i think there few papers by Dr Martin Speight of Oxford U that look at
this effect, mainly on the complexity, artificial reefs, habitat and
fish
tq
yusri


On Thu, Oct 14, 2010 at 4:28 AM, Clifford J. Hearn
<clifford_hearn at yahoo.com> wrote:
> Sorry, about the confusion. Better to call it rugosity. We are not talking about surface roughness. In the topographic world we use the tern 'roughness' which is the log of rugosity.
>
> Let me try again:
>
>  I wonder whether it would be worthwhile our comparing the rugosity of artificial reefs with that for natural reefs. If rugosity is a good measure of topographic complexity and this is related to ecology and fish habitat, we could see some important science. We have good bathymetry for some natural reefs and would just need bathy/topo data for artificial reefs.
>
> Cliff
>
>
> Clifford J. Hearn
>
> --- On Wed, 10/13/10, Steven Jachec <sjachec at fit.edu> wrote:
>
>
> From: Steven Jachec <sjachec at fit.edu>
> Subject: Re: [Coral-List] Roughness of artifical reefs
> To: "Clifford J. Hearn" <clifford_hearn at yahoo.com>
> Cc: "coral-list at coral.aoml.noaa.gov" <coral-list at coral.aoml.noaa.gov>
> Date: Wednesday, October 13, 2010, 4:02 PM
>
>
> I believe the roughness over natural reefs has been pursued by Stanford folks:  graduate students C MacDonald, R Lowe, M Reidenbach. Profs Koseff and Monismith.
>
> Cheers
> Dr Steven Jachec
>
> Sent from my iPhone...forgive any  mis-spellings.
>
> On Oct 13, 2010, at 3:27 PM, "Clifford J. Hearn" <clifford_hearn at yahoo.com> wrote:
>
>> Dear Listers
>>
>> I wonder whether it would be worthwhile our comparing the rugosity (roughness) of artificial reefs with that for natural reefs. If rugosity is a good measure of topographic complexity and this is related to ecology and fish habitat, we could see some important science. We have good bathymetry for some natural reefs and would just need bathy/topo data for artificial reefs..
>> Your thoughts?
>> Cliff
>> Clifford J. Hearn
>> Working Science Consultancies
>> 200, 2nd Avenue South #519, St Petersburg, Florida 33701
>>
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-- 
Yusri Yusuf
Institute of Oceanography,
Universiti Malaysia Terengganu, Mengabang Telipot,
21030 Kuala Terengganu, Malaysia.
Tel: 609-6683163
Fax: 609-6692166
http://staff.umt.edu.my/~yusriyusuf/