There are 12 Trophies that can be collected.
BRONZE
Step by step
Complete all the tutorials.
Gardener
Add 10 plants or fungi.
Engineer
Add 10 artefacts.
Farmer
Add 10 creatures.
Leader of the pack
Achieve 5 alpha creatures in a single ecosystem.
Variety is the spice of life
Achieve a biodiversity of level 8.
Shopkeeper
Exchange 20 creatures or artefacts in the auction.
SILVER
Against wind and tide
Complete ecosystem challenges 1, 2 and 3.
Tough guy
Create a level-10 alpha creature.
Collector
Obtain 20 different tokens.
Coloniser
Colonise 3 ecosystems in free mode.
GOLD
Competitive spirit
Finish among the top 100 in an online challenge.
http://www.ps3trophies.org/game/ecolibrium/trophies/