Has anyone ever made an ecosphere at home - a single, self contained, ecosystem?

There's usually a plant, some rocks, algae, perhaps a withering plant, and some tiny sea creatures. The capped off container manages to thrive for years on end - provided the ecosphere rests in the sun.

The traditional orb and egg shaped ecospheres take up too much desk space, so I thought, why not put one inside a beer bottle.

Anyone have some good ecosphere recipes?

Derek Merdinyan

These are also refered to as Biospheres.

Here are a few pictures:

http://www.funsci.com/fun3_en/exper1/exper1_07.jpg

https://home.comcast.net/~davejanelle/alg1.jpg

http://www.euronet.nl/users/rkohm/biosphere/7a-t.jpg

Derek Merdinyan