disolved oxygen in water

[Phone]

John,

 

A "SSSI" is """"A Site of Special Scientific Interest (SSSI) is a conservation designation denoting a protected area in the United Kingdom."""" (WIKI). Is this what you have?

 

What is the suspected cause of the degradation?

 

It almost sound like you need a septic tank additive. (Don't do this - consult professional)

 

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[John Weddup]

Correct about SSSI

 

It is designated to be one because of dragonflies.

 

Everything done there has to be cleared with Natural England before hand. They have more control than the owners in certain things.

 

The problem is the waters are stagnating with fallen leaves silt washed in from river and rotting vegetation. I don't think this will be a good environement for dragonflies but I am not sure what they require.

 

John

[Phone]

All,

 

Where's ayjay?

 

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