The Sea fishery is a very unitary type of ecosystem in that if one species fails, there are no alternative branches to bypass that vacant link in the food chain, thus the entire ecosystem could fail quickly.
(The Sea fishery; is; a very unitary type of ecosystem) (one species; fails; ) (no alternative branches; to bypass; that vacant link) (the entire ecosystem; could fail quickly; )
The Sea fishery one species no alternative branches the entire ecosystem
is fails to bypass could fail quickly
a very unitary type of ecosystem
that vacant link