_:b670488618 . _:b670488618 . _:b670488618 . _:b670471330 . _:b670471330 . _:b670471330 . _:b670488618 . . . "An environmental zone in which the rates of two or more processes are roughly equal to one another." . _:b670471330 . _:b670471330 . "environmental zone of processual equilibrium"@en . _:b670488618 . .