[permaculture] Floating Gardens (wide shade trees)

Paul Wheaton paul at richsoil.com
Mon Feb 7 10:40:18 EST 2005


Do you know of a web page that can tell me more about doing this?

--- DAVIDMATTHEWEDGE at aol.com wrote:

> Paul, you wrote:
>  
> What would be the impact of a floating swamp garden on the oxygen exchange  
> in the water?
>  
> Here's the beginning of an answer:
>  
>     In addition to the gaseous exchange of the plants  in a floating swamp 
> garden, which could vary depending on species, partial  shading of a pond, by 
> anything, causes movement and additional oxygenation of  the water.  
>     Cool water in the shaded areas flows to the  bottom, surface water is 
> drawn into the shaded area to replace it,  etc.  In this way much more of the 
> water in the pond comes into contact  with the air than in a pond in which all of 
> the water is exposed to sunlight or  is shaded.
>  
> Thes floating gardens also mean that much more edge, that many more bugs  for 
> the trout, etc.
>  
> I hope this is useful.
>  
> David Edge
> 
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