But what caught my eye was this:
I paid too little attention to the research side of my vita. Because publications tended to count less than did good teaching evaluations when I went after short-term appointments, I began to treat my scholarship as a luxury rather than as a career necessity.
I can't imagine a better way to put the catch-22 you face as an adjunct. To get short-term job security, you need to do work that makes long-term job security less likely.