Tag Archives: Jacksonville

IMG_1451

Notes from the Field: From Technician to Tourist

Lately, the Hugh-Bro (Hughes and Kimbro) Lab has covered a lot of miles.  Dr. David Kimbro and Dr. Randall Hughes have accepted positions at Northeastern University in Boston.  Tanya Rogers is David’s first graduate student at NEU, though her dissertation is on Bay Mouth Bar at the mouth of Alligator Harbor.  Hanna Garland (who had spent a year living in Saint Augustine Beach for her graduate work with David) and Stephanie Buhler are covering Apalachicola Bay, though Stephanie will start her PhD. work in the Bahamas soon.  We’ll let Ryan Coker tell you of his East coast adventures helping Meagan Murdock wrap her National Park Service tile experiment
Ryan Coker FSU Coastal & Marine Lab

Timucuan - Here I am inspecting a tile as we made our way to the next reef. Looks like these particular oysters didn't fare well, but we saw plenty that did!

For the last couple months, a lot of my responsibilities around the lab have shifted from working out in the field to processing samples from our salt marsh projects (recently, measuring the organic content of sediment samples, i.e. setting dirt on fire and calculating the missing weight). This past week I was happy to be recruited from my normal lab duties to help out on Meagan’s National Park Service oyster experiment, recovering our oyster-covered paving bricks from the experimental reefs for analysis. This meant packing my bags to leave for a six-day field trip to visit our reef sites at Timucuan Ecological & Historic Preserve in Jacksonville and Cumberland Island National Seashore, a barrier island off of Georgia’s coastline. I was told to prepare for precarious treks through oystershell, leg-swallowing mud, and swarms of no-see-ums who, in spite of their name, were determined to get noticed. I prepared for these challenges in earnest, with thick boots and quick feet and enough bug spray to at least suggest that eating me alive wasn’t in any insect’s best interest. But what I wasn’t ready for was the sheer beauty of these places. I feel immensely lucky to have found my calling in ecology—I do the work I love, and I get to do it in the loveliest places.

Timucuan - Meagan decided to test the depth of this mudflat to see if we could access one of our oyster reefs at very low tidal height. As she progressed downward at a rate far exceeding her forward gains, it was clear that we were going to have to wait out the tide and try again. Thank you, Meagan, for being such a champ and getting completely mud-covered while I waited on the boat, laughing and taking pictures. Here she is using my leg to pull herself out of the muck as I perched on the ledge of the pontoon boat.

Because we had a free half-day on Cumberland Island while we waited for the National Park Service to come and ferry us back to the mainland, Meagan and I set off to explore the island. We traded our boots and waders for sneakers and shorts long, bug-proof pants. Transitioning from a field tech to a tourist for just a few hours, I ran up and down the island in an attempt to see it all. It was gorgeous.

The forest was intercut with dirt paths canopied by towering palms and the twisting limbs of immense Live Oaks. The infinite beach, its width rolled out flat from delicate high-blown dunes to where it dips below the lapping ocean tide, is home to shorebirds and “wild” packs of roaming horses.

What I found most striking, though, were the crumbling skeletal remains of Dungeness, a mansion built in the 1880s, abandoned in 1925, and burnt to ruins by the 1960s.

Imagining this place in its glory, I filled in the gaps of the walls and floors where they were collapsed and covered by weeds and rubble. There’s not much left, and I didn’t dwell on my fiction overmuch, but I sure would have loved to see that mansion as it stood. It made me think about the impacts we make on the world, the legacies we’re trying to build before we go. I feel really good about the work I contribute to in the lab. To the metaphorical library of scientific knowledge, I’d like to think the work I do is helping to add-on another room. We’re in the ecology wing, expanding it out, adding just a bit to the collection. It’s our mansion, and at the very least, it’s fireproof.

Of course, mostly I just thought “Holy cow, this is gorgeous,” as I snapped away, already daydreaming about the next spectacular place I might have the opportunity to visit with the lab.

In the Grass, On the Reef is funded by a grant from the National Science Foundation.

The Dirty Work

Tanya Rogers FSU Coastal & Marine Lab


IGOR chip- biogeographic 150IGOR chip- habitat 150IGOR chip- employment 150(Editor’s Note.  Although David refers to Randall’s participation on this study, her role was not elaborated upon in this video.  That will be a part of the next video, on David’s collaborators, as Randall is David’s Co-PI- or Primary Investigator)

P1010921

Tanya measures a fish caught in a gill net.

It’s been said that research techs are those who do the dirty work in science. Although true in many ways, I love being where the action is, collecting the data, turning ideas into reality. That said, here is some of my perspective on what went into our October trip and what days in the field were like.

A busy field trip like our October sampling push typically takes at least as many days to prepare for as the length of the trip itself. Although the daily blog posts covered our time in action, David and I spent most of the previous couple weeks just planning for this trip so that it could run as smoothly as it did. I feel it worth mentioning the many hours I spent pouring over tide charts and editing and re-editing our complicated schedule so that we could accomplish everything as efficiently as possible, factoring in all manner of time and tidal constraints, travel time, land and sea transportation, overnight stays, and numerous other variables, plus designing it with enough flexibility that we could adjust our plans in the field at a moments notice (and indeed we did). In addition to scheduling I also had to make sure we had all the materials we needed to for our trip, that those materials were all in working order, and that they are all packaged up accordingly and conveniently in our two vehicles. The last thing you want is to be out in the field and realize you’re missing some critical piece of equipment.

striped burrfish

As they conduct these initial sampling trips every few months, they keep finding new and interesting species living in and around the reefs. Here, Tanya is taking measurement of one of her favorite finds of this last trip, a striped burrfish.

Out in the field, going to retrieve our traps and nets is always the most exciting for me, since you never know what we’re going to catch, and I was interested to see how the October fish community compared with that of July. We caught a few new fish species in our traps this round, including a beautiful spotfin butterflyfish (Chaetodon ocellatus), juvenile snapper (Lutjanus sp.), and a couple tiny pufferfish (technically striped burrfish, Chilomycterus schoepfi – they were very adorable). Equally exciting was getting to use the new motor on our skiff for the first time at our sites. Although noisy and bizarre-looking, it performed admirably in shallow water, as it was designed to. At least in terms of temperature and humidity, conditions on the reefs were considerably more pleasant for us than during the summer. It was wonderful not to be wiping sweat from your face every 10 minutes. The dramatic increase in the no-see-um population at dawn and dusk was not so pleasant however, as David has duly noted. The dawn low tide at Jacksonville brought the worst swarms we’d ever encountered in the field. Incredibly irritating both physically and mentally, they made work nearly impossible, and forced me to spend the subsequent week covered in uncountable numbers of ravenously itchy welts.

spotfin_butterflyfish

Despite its exotic look, the spotfin butterfly fish is a native of both the Gulf and Atlantic coasts of Florida.

When not out on the reefs, there was rarely a moment when something didn’t need to be done – whether filtering water samples, rinsing gear, or (most frequently) extracting spat. Our only breaks seemed to be for the necessities of eating, showering, sleeping, and making coffee. (For David, coffee appears to rank just below data and samples in terms of his most valued possessions in the field.) Our biggest and most time-consuming challenge was whether we could get all of the spat extracted and tiles made for our predator-exclusion experiment in the time allotted between netting and trapping. The process of isolating spat was incredibly tedious to say the least, and particularly frustrating when, after you’ve been working on a spat for several minutes, your tool slips and the spat gets crushed, or it flies across the patio, never to be seen again. You couldn’t help but feel the spat always picked the most inconvenient places to settle. It was also quite a messy process, with water and oyster bits flying everywhere and various crabs skittering across the counter. The oysters also love to slice your fingers open during the few moments when you neglect to wear gloves. Yet in spite of the tedium, we couldn’t help noticing new and interesting critters living amongst the oysters as we broke them apart. For instance, we noticed considerably more porcelain crabs (Petrolisthes sp.) and Boonea impressa (a small, white snail that parasitizes oysters) than we’d seen in previously collected oyster samples. We also found an oyster pea crab (Pinnotheres ostreum), which lives on and steals food from the gills of oysters, and a number of dark brown cylindrical mussels (Lithophaga bisulcata) that bore into the calcareous shells of oysters. It always amazes me how many different animals can be found living within the structurally complex habitat created by species like oysters.

P1010934

Young oyster spat, beginning their new careers in science.

I remember on one of the last days of our trip, I kayaked out to our St. Augustine reefs for a final service and check while David finished up the dremeling. I remember looking upon reef #5, seeing our newly deployed, spat-covered tiles and cages, our cleaned tidal data logger housing, and our newly replaced spat stick, arranged so neatly on our marked reef, and feeling delighted at our accomplishment, knowing how much effort has gone into this setup. I remembered that in my position it’s easy to get sucked into the details, but it’s equally important to remember the big picture, and how this research will contribute to our greater understanding of oyster reef ecology.

After our field trip, as we recover from battle wounds and wait for the mud to work its way out from under our fingernails, work on the oyster project continues at the lab. For me this has meant entering lots of data and starting to process our many samples. Before you know it though, it’s time to start to preparing for our next journey onto the reefs and the adventures that await.

The Kimbro, Hughes, et al. biogeographic oyster study is funded by the National Science Foundation.
We want to hear from you! Add your question or comment.

Day 7: October Oyster Push- Last Day

Rob Diaz de Villegas WFSU-TV

Thursday, October 28- Finish up, head back home

P1020010

(Farthest to nearest) Hanna, Tanya, and Cristina perform some of the more glamorous work of this trip- cracking oysters apart and finding spat (oyster babies). David needed everyone on his team to perform, or this week would be wasted.

IGOR chip- biogeographic 150A while back, I was talking to Randall or David, I forget which one, and they were telling me about building a research crew.  Obviously you need people who have the knowledge and skills to do what needs to be done- from identifying fish to driving a boat, or setting a gill net.  But just as important, they said, was that you had people you could get along with, since you practically live with them sometimes.

Weeks like this one are where building the team pays off.  When you’re getting bitten up by gnats on an oyster reef at 6:45 in the morning, you don’t want a crew member sniping at another about losing a fish out of the gill net.  David remarked to me that the morale of this team had stayed strong, despite the schedule always changing and everyone having to shoulder more of the load while David got the tiles ready.  They did a lot of work on their own, and made it possible to get everything done even as plans shifted.

On a day like today, it was good that David has the crew he has.

P1010953

A swarm of gnats hovers over the oyster reef water.

6:45 AM- Retrieved fish from nets, deployed traps.

After a night of battling cockroaches in their “haunted” house, they might have been happier to be out on oyster reefs at this early hour.  They might have, had it not been for the no see-ums.  They were getting eaten alive, which made it hard to work.  And it got worse from there, as if the universe decided to pile it on in this last day.

As early as it was, the birds had gotten to their fish before they did and there were no stomachs to examine.  And then there were the injuries.  David cut his finger on a catfish spine, and then, within about ten minutes, a stone crab got a hold of Hanna’s finger and inflicted some pain.  They’re both okay.  Their truck, however, is a little worse off.

Truck accident in Jacksonville

Banged up over the course of the week, the crew- and their truck- are ready to come home.

When they got back, they glued spat onto tiles one more time to deploy this afternoon.

3:00 PM- Tanya, Hanna, and Cristina retrieved the traps and set the tiles.

7:00 PM- The girls headed back to the FSU Coastal & Marine Lab.  When they got there, they cleaned all of their gear, even though it was late.  They figured that it was better to wash the salt off sooner than later.

So that was the week.  They’ll go back to each of the sites about every six weeks, though it won’t always be this intensive.  David, Jeb (SC/ GA), and Jon (NC) will start to see seasonal patterns in the fish that they find- when do certain fish tend to show up on what reef?  They’ll check in on their tiles and take photos, and over the months the photos should play like a flip book in showing the growth of the oysters on each site.  They’ll gain understanding, and they’ll run into more road blocks.  They have about two-and-a-half years left on this study, so while Thursday was the last day of the push, they’re nowhere near the end of the road.

P1010964

Assuming no one tampers with them, we should be able to watch these oysters grow up over the next year.

Check back in a couple of weeks for wrap-up posts from David and Tanya.

Tide Times and height (ft.) for Jacksonville, October 28, 2010
Low- 6:44 AM (0.3)

David’s research is funded by the National Science Foundation.

We’d love to hear from you! Leave your comments and questions below:

Day 6: October Oyster Push- Home Stretch

Rob Diaz de Villegas WFSU-TV

Wednesday, October 27- Finish tiles, go to Jacksonville

P1020009

When not losing sleep over whether the tile experiment will work, David dreams of making the tiles. They'll be back in six weeks to check on the progress of the baby oysters they set upon the reefs.

IGOR chip- biogeographic 150Walking down the hall of our dorm at 7 AM, I heard the familiar sound of the dremel from across the street in the lab area.  This time the whole crew was there- Tanya, Hanna, and Cristina cleaning and separating oysters and David Kimbro slicing shells into similarly sized pieces.  The Jacksonville oysters they’re processing have an entirely different kind of predator than the Marineland oysters have in crown conchs.  The Jax shells were speckled with little greenish spots- these are boring sponges.  They bore holes through the shell and take up residence within it.  The specks were making it harder to spot spat.

I was thinking about predators when I was driving today, in particular the crown conchs here.  A1A runs alongside the intercoastal waterway where the oyster reefs are.  Driving north towards the Matanzas Inlet, which is the northern boundary of the crown conch problem, there is a bridge under construction.  While getting some footage of oyster reefs earlier, I noticed how close many of the reefs are to the road and its runoff.  Overall, the area is more heavily settled than the Forgotten Coast sites where David and Randall do their studies.  This drive I took today put a slightly different light on the work they do.  When I’m shooting on the reefs, or in the salt marshes, it sometimes seem like a different world.  But it isn’t, really.  Not that this sudden and very focused problem may not have an entirely natural cause.  But there are a lot of potential factors in play outside of trophic cascades and water salinity.

P1020005

Those innocuous looking spots are trying to kill the oyster and take over its shell.

2:00 PM- Hanna, and Cristina drove to Jacksonville to deploy nets at low tide.  Cristina found a deep spot in the mud and sank in waist deep, which is a concern at this site.  The new boat was purchased specifically for this site, as it’s a long kayak trip in somewhat treacherous waters.

P1010983

So far, so good for the Saint Augustine spat tiles.

4:30 PM- David and Tanya finish making the Jacksonville tiles and spend about two hours cleaning up the lab space.  Tanya kayaked out to check on the St. Augustine tiles they deployed yesterday before heading to Jax.  David said he had lost sleep last night over whether the tiles would still be there, or if the glue would even hold the spat onto the tile.  Jon Grabowski (NC team leader) has a site with easy public access.  This morning he showed up to find his sites being harvested, the tiles already removed.  So you can see where David would worry.  But, at least over the first night, the SA tiles were fine.

David and Tanya joined the rest of the team in Jacksonville for another awesome Tanya-cooked meal.  I feel I did her a disservice yesterday by not mentioning the zucchini bread and double chocolate biscotti she made, so I’ll do so now.  Yum!  Perhaps On the Reef needs a cooking segment.  Everyone is now settled into a house they all think is haunted.  Hanna put together a makeshift tub on their screened-in porch to keep the spat alive to deploy tomorrow.  One more day to go…

P1010893

On Thursday, the October oyster push concludes and the FL, GA/ SC, and NC teams will start looking at the data and continue establishing patterns.

Tide Times and height (ft.) for Jacksonville, October 27, 2010
Low- 5:56 AM (0.2)
High- 12:25 PM (5.7)
Low- 6:42 PM (0.5)

David’s research is funded by the National Science Foundation.

We’d love to hear from you! Leave your comments and questions below:

A closer look into the reefs

IGOR chip- habitat 150The following photos are of samples taken at each of Dr. Kimbro’s sites, as mentioned in his previous post.  After surveying the reefs to see what large fish and crabs were living in the reefs, he and his team turned to looking at the oysters and the creatures living under them in the mud.  That’s what you’re seeing here.  Click on any photo to make it larger.

Continue reading