Industrial ecosystem |
Phase |
Number of firms (nodes) |
Number of firms involved in symbiosis (nodes) |
Number of materials / resources in interaction |
Number of industries (diversification) |
Network structure |
Kalundborg |
Creature (till 1980) |
8 |
7 |
5 |
8 |
Preferential Attachment, Single Core |
Development (1980-2000) |
12 |
12 |
19 |
11 |
Preferential Attachment, Single Core |
Maturity (from 2000) |
23 |
22 |
27 |
11 |
Preferential Attachment, Multi-Core |
Kwinana |
Maturity (from 2008) |
52 |
37 |
47 |
11 |
Random, many unnecessary interactions |
Styria |
Maturity (from 1997) |
39 |
39 |
44 |
14 |
Random, many unnecessary interactions |
Barceloneta |
Creature (till 1990) |
10 |
10 |
9 |
3 |
Preferential Attachment, Single Core |
Maturity (till 2005) |
20 |
14 |
20 |
7 |
Preferential Attachment, Single Core |
Decline (from 2005) |
8 |
9 |
0 |
3 |
No current network |