wow! that's a cool topic and just the thing for a biologist. What a splendid surprise for my return to here!
Sorry that I was awol for almost 3 months - real life was a bit demanding lately: tons of deadlines to meet, meetings to attend, samples to take and examine, 4 shipwrecks (why the [insert un-ladylike vocabulary here] can't people read their nautical maps and hire a certified pilot?!), slight health issues & spring cleaning
Not to mention the axial tilt problem.