Anyone have a marine biology textbook they adore? I’m thinking “Ocean Ecology” by Emmett Duffy but would need to supplement it with something like “Biology of the Invertebrates” by Pechenik

One of my Environmental Science students was so inspired by the documentary I assigned, @pbs.org’s H20: The Molecule that Made Us, that they wrote a letter to their senator!

Moved out of my University of Massachusetts Boston grad student desk space today. Feeling very nostalgic and a little emotional. Did a lot of great work here, processed a decent amount of trauma, made some lifelong friends and countless memories. Anyway, now it’s official. #PhDone

@dkokamoto.bsky.social I make my oceanography students report ocean news during the semester and yesterday someone reported this: news.berkeley.edu/2025/11/14/e... you are now famous at the other Berklee!

Even moderate heat waves depress sea urchin reproduction along the Pacific coast - Berkeley News

Biologists thought that marine heat waves lowered urchin reproduction only at lethal temperatures. A new study shows reproductive shutdown even earlier.

news.berkeley.edu

It’s Doctor McCollum now! 🎉

It’s probably just a music school thing but sometimes I get applause after a lecture and it feels really nice

You guys, it’s finally happening!

I’m trying to find a seminal paper explaining how species ranges are shifting up attitudinally. I think it might be C. Parmesan’s 1996 Nature Paper “Climate and species’ ranges” but I don’t have access to it via my institution. Any help or advice would be super appreciated! DOI 10.1038/382765a0

First dive of the year is in the books! Canoe Beach, Nahant, MA. 56 minutes at 16ft (hah!), a chilly 47 degrees F. Always nice to find out that your wetsuit still fits! 😅

I haven’t even finished reading it yet, but I have to tell you all to go check out Lotze et al., 2022 “Long-term (~4000 years!) ocean and resource dynamics in a hot-spot of climate change”, especially if you’re interested in the Gulf of Maine! DOI: 10.1139/facets-2021-0197

Although NOAA's page on atmospheric CO2 levels has vanished, you can still get this vital information from Ralph Keeling's team at the Scripps Institution of Oceanography, UC San Diego keelingcurve.ucsd.edu Please follow bsky.app/profile/keel... for updates and share Don't let science be hidden

Another excellent final project for oceanography:

Strongly recommend having your students write haiku about your lecture topics! Here are my favorites: Divergent boundary Convergent boundaries and Transform boundaries Continental shelf Separates the land and sea Slope to the abyss Baby volcano I live above the mantle Feed me some magma

For the last question on my Environmental Science final, I have my students fill out @ayanaeliza.bsky.social’s joy in climate action Venn diagram. The responses are so heartwarming! ❤️ my @berklee.bsky.social students

Probably the hardest question on my exam, but who remembers how Coriolis Effect modifies prevailing wind directions? #popquiz #oceanography #finalsweek ignore that the down arrow is there twice (hint: it’s a red herring)

One of my oceanography students made Medusa and Polyp (Cnidarian) treats for our final exam today!

Just ate fries made out of spam while waiting for my flight out of SeaTac. After 3 hours of delays, they were a weird choice but not the worst part of my travel day!

Hi All, happy to be here with you! Loved and missed our Twitter community over the last few years. Looking forward to reconnecting and catching up on all the amazing marine ecology research out there!