Bwgan wrote:Just a thought that me and a few friends had over the weekend whilst being bored waiting for the tide to drop. Would it be possible to build a 'reef' type structure out of sand bags? Obviously it would have to be marked with a bouy etc to make it safe for boats, but would it in theory work? As there is a beach where I live that is always deserted and boats never go there and it always picks up a bit of swell on a Westerly - Northerly wind????
PapaWoolacombe wrote: Its funny you should say this cause we;ve been toying with the idea of getting a crew together to move rocks and dig sand to build a bank at a spot on Anglesey. SO yes it IS possible. But it won't last long.
..true true .. and darhlin , never apologise for showing that all your hard work at uni is obviously paying offSorry for being a kill joy, in theory i reckon it would be a fun thing to try, but just think - you might start a trend with people who are less responsible than you.............
Libby wrote:Well i'm afraid i'm one of those sensitive people!
I fully agree that artificial reefs can have massive benefit in terms of creating a new substrate for a natural reef to form, however the disruption caused when doing it, potentially could have negative effects. Also there is always the potential that even a small man made structure could negatively affect the swash regime of a beach, which is one of the main factors which influences all the little beasties feeding living in the sand.
I realise that this was a hypothetical question as in ' could it be done', so sorry if i'm going a bit zealot on everybody but i've just spent 6 months researching the many ways human mess up sandy shores. I just dont so why any one would think its necessary, like someone has already said there are so many natural reefs, and lets face it, if it took hundreds of thousands of dollars, a s**t load of divers, some pretty serious engineering and months of work to make a semi decent wave at the Mount then the chances of you and a few mates shoving some sandbags down and hoping for the best is not likely to work.
Sorry for being a kill joy, in theory i reckon it would be a fun thing to try, but just think - you might start a trend with people who are less responsible than you.............
Libby wrote:Please dont do anything to mess up marine ecosystems anymore. My whole dissertation is about humand messing up sandy shores and its very depressing.
Fair enough, one little reef wont make much difference but imagine if everyone starts trying it
Doubt it would work anyway, they've had to spend hundreds of thousands of dollars on the one at Mt Maunganui and its benefits are somewhat dubious or so im told.
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