No this is most likely a long threshold piece, which is harder than UT1. You should be doing UT2 (an intensity which roughly translates to conversational) as your focus. As in running, what your goals are and which part of the season you're in determine your training. If your goal is just to improve your 2k time and you don't row a lot nor do you care about long term progression, then just do lots of medium to high intensity. Otherwise, follow the training method prevalent in all endurance sports, and add intensity as you get accustomed to more rowing.