The phrase "dense for" does not make sense in written English.
It is likely a mistake or a typo. A correct and usable phrase would be "dense forest" or "dense population."
Aquatic literature can be awfully dense for the non-oceanographer.
It was far too dense for the ship to break through and, as the authorities would discover in the coming days, also too dense for even bigger icebreakers.
The coconut flan was also sweetly satisfying, if a tad too dense for my taste.
The kazandibi, a milk custard, was too dense for my taste.
But Mr. Stolar said the Cali-Plofker plan is too dense for a corner away from Bloomfield Avenue.
It was getting toward 7 a.m. and the bicycle traffic in Nanchang, China, was becoming somewhat dense for a runner.
The area also has lots of little green pockets, most of them too dense for cycling but great for hikes.
That is because breast tissue in younger women is typically too dense for routine mammograms to be effective.
The zoning commission denied the application on the ground that the development would be too dense for the site.
Indeed, some parts of "Christendom Destroyed" are quite dense for those not already familiar with the history.
With one song called "Marble Fields and the Hydrolight Head of Delusion", even the band were forced to admit it might be too dense for popular consumption.
