This short post gives us more tips on fostering note-taking, and them gives two very good suggestion for note-taking styles. I really like and use the Mind Map method of note-taking, and find it helps my students retain information better.
Here you can find the results of a study into the effectiveness of note-taking, as well as a description of what good note-taking looks like. One interesting idea is to help students develop an abbreviation system to help speed note-taking and deter "mindless transcription."
This article discusses why note-taking can be so important, and then gives teachers a great list of tips! My favorite example is to have students compare and contrast each other's notes as a way of closing a lesson.