As a contributor to a number of marine science projects I've spent quite a bit of time wrangling my ever growing underwater photo collection into a functional database. And recently Ive had a few divers (and marine scientists) ask me about how to better use and modify metadata fields in Lightroom - things like species, depth, temperature, and relevant keywords. I've written up a short piece on how I make the most of Lightroom's database features and a couple of the very effective plugins I use t