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The swan amongst the sludge

By johnboy - 29 May 2012 40

swan in algae

We really don’t want to harp on about the Blue Green Algae in Lake Burley Griffin.

But this picture by Mark really does tell a story.

We couldn’t be skimming this?

What’s Your opinion?


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40 Responses to
The swan amongst the sludge
Thumper 5:34 pm 29 May 12

Thumper said :

SnapperJack said :

Stinger said :

We need to keep carping on about it till something is done about it.

Yes, but what *can* be done about it? To get rid of the algae you would have to spray chemicals on it which would kill the fish and other wildlife. We are caught between a rock and a hard place.

Firstly, and foremost, restrict nutrients getting into the lake, ie fertilizers, leaf litter, etc.

Also sediment traps (reed beds) on all inflows, ie Sullies Creek.

wildturkeycanoe 5:30 pm 29 May 12

Is this green stuff what stank as we drove through the tunnel under the ANU on Parks Way? Even with the air vents closed you can smell some horrible stench, all the way from Glenloch to the big birdbath roundabout.

Stinger 5:27 pm 29 May 12

SnapperJack said :

Stinger said :

We need to keep carping on about it till something is done about it.

Yes, but what *can* be done about it? To get rid of the algae you would have to spray chemicals on it which would kill the fish and other wildlife. We are caught between a rock and a hard place.

Perth’s Swan River has had serious algal blooms in the past, but have put in nutrient sinks to reduce the inflow of fertiliser run off, to great success. It’s not fool proof, and we do have to contend with the low funding available for this, but I think getting rid of the cow paddock and turf farm at the eastern end of LBG would be a start.

AAMC 5:02 pm 29 May 12

I reiterate my previous comments from an earlier article; Drain it, remove the high nutrient sediment, make the lake deeper, close dam and allow refilling. You may even be able to put in some sort of mitigation measure while the lake is empty.

poetix 4:46 pm 29 May 12

It looks as if the swan is made of rubber and it is dissolving in the green as it swims. Soon it will be a little black duck.

DrKoresh 4:15 pm 29 May 12

Thumper said :

DrKoresh said :

I used to make fun of my English mates for that semi-solid “river” they call the Thames. I guess I should hold my tongue now.

When I lived in London as a kid the Thames was a putrid stinking tidal cesspool.

Today it is once again a beautiful and stunning river.

So I’ve come to understand. I don’t have a leg to stand on now. But there’s always the British Smile, I can still get some mileage out of that one.

Thumper 4:13 pm 29 May 12

SnapperJack said :

Stinger said :

We need to keep carping on about it till something is done about it.

Yes, but what *can* be done about it? To get rid of the algae you would have to spray chemicals on it which would kill the fish and other wildlife. We are caught between a rock and a hard place.

Firstly, and foremost, restrict nutrients getting into the lake, ie fertilizers, leaf litter, etc.

Erg0 4:12 pm 29 May 12

Insert “greening initiative” joke here.

Thumper 4:12 pm 29 May 12

DrKoresh said :

I used to make fun of my English mates for that semi-solid “river” they call the Thames. I guess I should hold my tongue now.

When I lived in London as a kid the Thames was a putrid stinking tidal cesspool.

Today it is once again a beautiful and stunning river.

SnapperJack 4:00 pm 29 May 12

Stinger said :

We need to keep carping on about it till something is done about it.

Yes, but what *can* be done about it? To get rid of the algae you would have to spray chemicals on it which would kill the fish and other wildlife. We are caught between a rock and a hard place.

LSWCHP 4:00 pm 29 May 12

Thumper said :

Stinger said :

We need to keep carping on about it till something is done about it. LBG is a magnificent recreational asset for Canberra, it should be maintained to swimming quality!

Exactly. It’s simply not good enough that the lake is now a slowly moving body of toxic sludge wandering through the heart of the capital.

Expending scarce resources on cleaning the lake would detract from more worthwhile activities like banning thin plastic bags at the supermarket so that they can be replaced by slightly thicker plastic bags. Or building wildly popular “art” works like the giant penis-bird on Belconnen Way.

Who cares that grown men can walk on the surface of the lake due to the presence of this attractively green and no doubt reasonably harmless sludge? I just sleep more peacefully at night knowing that all the shopping trolleys at the Kaleen Supabarn are safely corralled away in their stalls due to the efforts of the local government and the shopping trolley police.

Keijidosha 3:59 pm 29 May 12

The above image provides a very humorous counterpoint to previous discussions on the algae issue, especially the current Solarbee trial.

DrKoresh 3:58 pm 29 May 12

I used to make fun of my English mates for that semi-solid “river” they call the Thames. I guess I should hold my tongue now.

Thumper 3:40 pm 29 May 12

Stinger said :

We need to keep carping on about it till something is done about it. LBG is a magnificent recreational asset for Canberra, it should be maintained to swimming quality!

Exactly. It’s simply not good enough that the lake is now a slowly moving body of toxic sludge wandering through the heart of the capital.

Stinger 3:38 pm 29 May 12

We need to keep carping on about it till something is done about it. LBG is a magnificent recreational asset for Canberra, it should be maintained to swimming quality!

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