Bry wrote:

big snip
If someone pulls up
vast ammounts of a peat bog, eventually they stop producing peat,

....... usually because the water table has been lowered. Not an
irretrievable situation.

and
as we have no way of making a new bog I can say they are
irreplaceable.

Of course we can make a new bog. As with all new environments, it wont
happen overnight but I am sure it is not outwith the ingenuity of man
(David Bellamy for one) to grow sphagnam moss, tend it, care for it
and wait.

--
ned