Functional Interdependences of a Seaport Functional Interdependences of a Seaport Seaports interact with other nodes such as overseas and neighboring seaports, intermodal terminals, and inland logistics platforms. They rarely operate in isolation from other ports. Share this:Click to share on LinkedIn (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Reddit (Opens in new window)