
What do work-focused and occasionally weary coral conservationists do on a Saturday? Why, attend coral workshops of course! The California Academy of Sciences, which is temporarily housed in downtown San Francisco until their new digs are completed in Golden Gate Park, hosted a BioForum today titled
Coral Reefs: How They Survive--Will They Survive? Despite the ominously somber title, the line up of speakers seemed interesting. Since it was marketed towards local Bay Area teachers and Academy members, we were invited to attend and also set-up a resource table to provide info on our conservation projects–that's our tireless Program Associate Anja Mondragon, above, working the crowd. Oh, and did I mention the free lunch?

Anyway, I dragged myself out of bed at 7am on a rainy morning to make it in time (barely) for registration. Since Cal Academy has limited space in its temporary home, the event was hosted at
Zeum. The official Zeum PR claims they are
a multimedia arts and technology museum dedicated to fostering creativity and innovation in young people and their families. 
Us locals know it as the downtown place with the merry-go-round and the bowling alley. Already crabby since I had yet to jump-start my day with coffee, I noticed this strange art installation in the courtyard. Its a big bronze globe with a big bronze man standing on top of it and reaching out with big bronze arms and looking all
Terminator-like with big, empty bronze eyes. The whole juxtaposition of a seminar with a gloomy subtitle of "Will Reefs Survive?" while staring at art depicting a mechanical human standing triumphantly atop the planet on Earth Day weekend–while being seriously un-caffeinated–convinced me that this would be a strange day.

The proceedings kicked-off with a welcome and overview by moderator, Monica Medina, a coral scientist at UC Merced who immediately launched into a 45 minute primer on gene sequencing
zooxanthellae, the photo-endosymbionts that live inside the tissue of their coral hosts. The juicy stuff mostly concerned the relatively recent findings that zooxanthellae, contrary to previous notions, are not a single species of algae but now appear to be many genetically distinct species. If it had ended there, it would have been a great set-up for the rest of the day and panel of speakers. But no, there were many
cladograms to explain, slides of
protein sequences, talk of
restriction enzymes used after performing
polymerase chain reactions. This for an audience mostly of K-12 teachers, students, and Cal Academy members. As god is my witness, I could feel the caffeine-deprived centers of my brain screaming. I started dwelling on the half-empty cup of coffee I saw someone discard outside the auditorium, but before I could fully calculate the personal and professional tradeoffs of getting caught reaching into the garbage can, it was time for the moderator to turn things over to the first speaker.
Jere Lipps, Professor of Integrative Biology and Curator of Paleontology at UC Berkeley looked good on paper. I've attended a few presentations he's previously delivered at the University of California Museum of Paleontology and
AAAS conferences and he's an articulate and talented orator. Lipps' area of specialty, foraminiferans (pictured here), single-celled marine organisms with a fossil record stretching back to the
Cambrian, gives him a unique perspective on changes to oceanic ecosystems. His slated presentation,
Three Billion Years of Reefs, portended a peek at reef systems as seen through the eyes of a world-class paleontologist with a feel for deep time.
We certainly got the hyper-verbal Lipps at his best, shifting from self effacing to self assured as easily as he shifts in and out of technical jargon. It can be entertaining when you're down for that whole cantankerous yet brilliant scientist shtick. He described some of the weird and wonderful ways reef systems (coral and otherwise) have evolved, thrived, and gone extinct. But it becomes apparent that he's crafting a story of peaks and valleys of coral diversity through geologic time leading-up to his rather alarming dénouement:
Coral reefs have faced adversity in the past and have come back from the brink. So while we should try to limit the damage we contribute, reefs will rebound in a few hundred or thousand years.
I had to blink a few times and scratch my uncaffeinated skull. Did I just hear a UC Berkeley scientist tell a room full of teachers, students, and Cal Academy docents to remain sanguine in the face of global and local assaults currently diminishing coral reefs? So what are the next generations supposed to think of us when all we have to show of once vibrant, diverse reefs are photos and the sage assurance of a retired Professor that "
They'll be back"? He even takes a swipe at polar bears, reminding us to relax since they survived the last
interglacial without drowning due to ice loss. Sure, climate change, storms, ecological competition, and shifting geologic real estate have impacted reef diversity and even polar bears through time. But is this paleontologist with a "feel" for deep time really forgetting that humans, having only appeared on the scene (geologically speaking) a mere blink-of-an eye ago, are now contributing stressors and direct attacks on coral reef and marine biodiversity that reefs have never faced in 3 billion years of reef history? And did the last interglacial also toss
PCBs and other organic chemical pollutants at polar bears as well?
My colleagues and I exchange incredulous glances, and during Q&A my hand shoots up:
Prof. Lipps, you certainly lay out a compelling argument for coral's ability to recover from adversity through geologic time. But surely you would agree that humans, a recent addition in the history of life, are likely catching coral reefs by surprise through coastal development, commercial fishing, offshore mining and oil drilling, blast fishing, coral harvesting in developing nations for building material, increased CO2 loading, and a variety of other assaults, all in addition to the non-human induced stressors they have to deal with. Wouldn't you say that deserves added caution and attention on our part?I get "the glare" for a portion of my "question" mixed with an occasional grin and nod. When I finish, Lipps quickly dispatches me with:
Of course, of course. Human pressures from population growth are a real problem. And as far as blast fishing is concerned, coral reefs recover from hurricanes, so they can recover from blast fishing too. Now while I don't know a thing about foraminiferans, I have some experience in the impacts of blast fishing.

Dynamite fishing, or blast fishing, is a profound and widespread threat to coral reefs. Though generally illegal, it is practiced in more than thirty countries. Unlike hurricanes, blast fishing kills fish indiscriminately and pulverizes living coral to particle or grain-sized fragments. Repeated blasting creates vast deserts of loose coral rubble that shifts easily in current flow creating unsuitable settling surface for coral larvae. Lacking suitable habitat, reef fish quickly abandon a demolished reef and local fisheries collapse.
Large blasted areas are slow to recover because coral
planula larvae have difficulty establishing on loose or sandy substrate. Young corals that successfully settle easily topple-over on the unstable substrate or quickly become smothered by sand or algae. Recent studies by Helen Fox and Roy Caldwell (who just so happen to hail from Lipps own UC Berkeley Dept. of Integrative Bio.) have referred to frequently blasted areas as “killing fields” for new coral recruits and indicate that if recovery is even possible it can take more than a century for a reef to rebound by natural means once the live coral cover has been destroyed. So again, Lipps' confidence in reef recovery is misinformed and measured in centuries, not that he will be around to answer for his disturbingly laissez-faire attitude should his predictions prove wrong.
Man, that was cathartic writing!

After a group stretch and still no coffee (but a boost of
theobromine from a bar of Scharffen Berger chocolate) my day was salvaged by the BioForum's final speaker, Professor Nancy Knowlton, Director of the
Center for Marine Biodiversity and Conservation (CMBC) and a Professor of marine biology at the Scripps Institution of Oceanography. Nancy is a living
legend in coral reef biology and conservation, an accomplished scientist who is gifted in
effectively communicating science to the public, and looks absolutely fabulous in the recent
Green Issue of Vanity Fair! Nancy earns the "Know" in Knowlton, and I'd obligingly endure a lecture by Jere Lipps just to hear her thoughts... in fact, I just had!
Knowlton concisely explained why coral reefs matter to everyone, how much coral has already been lost globally, and the connections between global and local threats. Of particular interest was her discussion of recent efforts to quantify reef resilience by monitoring the health of reef food webs and the volume of successful coral larval recruits. It was the sort of edge-of-your-seat science presentation that made the early wake-up, caffeine deprivation and Lipps overload headache worth the Saturday effort.
Recognizing that while talk of reef recovery in terms of centuries or millennia may be useful to geologists, it resonates very little to a public accustomed to more human time scales, Knowlton stressed that we need to frame the coral crisis issue in more compelling terms,
I'm frequently asked by developers or contractors hoping to build near coral reefs how much sediment, pollution, or effluent offshore reefs can tolerate. This is the wrong approach. Would we build bridges based on questions such as 'To save costs, how weak can we make the metal before it fails or how thin the cables before they snap?' Shouldn't we use the same precautionary approach to our planet, the only home we have?
I started this post on Saturday night, and it's now 1am on Sunday, Earth Day. A fitting morning, I think, to share these thoughts.