An example of such an ecosystem might be the South Florida Ecosystem, Upper Yellowstone Ecosystem, the Chesapeake Bay Ecosystem, or the Lake Michigan Ecosystem, where geographic boundaries can be drawn around an interacting area of concern.
(An example of such an ecosystem; might be; the South Florida Ecosystem, Upper Yellowstone Ecosystem, the Chesapeake Bay Ecosystem, or the Lake Michigan Ecosystem) (geographic boundaries; can be drawn; around an interacting area of concern)
An example of such an ecosystem geographic boundaries
might be can be drawn
the South Florida Ecosystem, Upper Yellowstone Ecosystem, the Chesapeake Bay Ecosystem, or the Lake Michigan Ecosystem
around an interacting area of concern