Re: Ecology of the Planted Aquarium

["Daniel Larsson" <defdac at hotmail_com>]

> A:  Yes and it is because alleopathy is reduced in these tanks. Generally,
> high-tech systems advocate frequent water changes. Also, many tanks have
> substrate heating cables, which induce water circulation into and out of
the
> substrate. In essence, the substrate is continuously 'washed' so that the
> alleochemicals are brought into the overlying water where they can either
be
> metabolized or diluted out.

TAG vol 15 No. 3 "Allelopathy - Chemical Warfare Between Aquatic Plants"
by Dr. Ole Pedersen quote:

"I am sure Diana Walstad in her book exaggerates the prevalence of true
allelopathy in planted aquaria"


// Daniel.