A chapter from my PhD working with our #SitkaNSF team! Click to learn more!
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CO2 X warming treatment in a tide pool. Black boxes on the high ledge hold batteries & circuit boards, with tubes leading to heating elements in the pool. The smaller black box generates CO2, which bubbles into the pool.
Just out in @jexpbiol.bsky.social: Great work by @racinerangel.bsky.social documenting effects of a 6-month factorial field manipulation of warming X CO2 on intertidal mussel shell thickness, strength, & corrosion. #SitkaNSF @cascadejbs.bsky.social journals.biologists.com/jeb/article/...
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New paper based on our #SitkaNSF fieldwork! Tidepool community respiration rates differ dramatically night & day due to differences in temperature & O2, w/ implications for how we quantify ecosystem responses (e.g., productivity) to global change....
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One last view of Sitka, as we head south. Our #SitkaNSF field site at John Brown’s Beach is at the north (left) end of the runway. @CascadeJBS
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Spent a fun morning leading a low-tide walk for the public w/ @CascadeJBS at the Sitka Sound Science Center! #SitkaNSF @SitkaScience
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Now you see them…. Now you don’t! Measuring species’ cover, then removing them (here, #mussels, *Mytilus trossulus*) to convert cover to biomass. @CascadeJBS #SitkaNSF
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At high latitudes “night” sampling of tidepool O2 fluxes means dark enough that the light meter doesn’t register photosynthetically active radiation. #SitkaNSF @CascadeJBS
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So happy to see this pallet arrive at the #UCIBioSci loading dock here at @UCIrvine today, after a ⛴ & 🚚 journey of ~2,000 miles from AK to CA! Ready to come pick up your gear, @millerlp @gabkalb? #SitkaNSF @CascadeJBS
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Our 500-pound tower of #SitkaNSF field gear, getting weighed & wrapped for barge shipment back to California ⛴🚚 @millerlp
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The final crew on the final day @ John Brown’s Beach. It’s tough leaving a favorite site not knowing when you’ll be back, especially after working there night & day in all seasons for years. #SitkaNSF @millerlp @gabkalb @gallaher_grant @zofiadanielson @CascadeJBS @KristyKroeker
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Carrying the very last backpack of batteries away from our #SitkaNSF study site. Since we started warming tidepools at John Brown’s Beach in spring of 2019, >20 TONS of batteries have been carried on this trail. Many thanks to all who helped! @CascadeJBS @millerlp @KristyKroeker
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I spent the morning at our #SitkaNSF field site taking final photos of the tidepools & beginning to remove temperature dataloggers. We protect the loggers w/ pieces of bicycle inner tube, & critters - like this #Idotea #isopod - sometimes hide in them. @CascadeJBS
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Final night of #SitkaNSF water sampling. Perfect weather & a perfect team. Thanks, everyone! @millerlp @gabkalb @zofiadanielson @gallaher_grant
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Dusk falls as we prepare for our final round of #SitkaNSF water sampling to assess changes in O2, pH, alkalinity, salinity, & temperature. w/ @millerlp @zofiadanielson @gallaher_grant @gabkalb
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We finished our final #SitkaNSF tidepool productivity measurements this morning! Here, @gallaher_grant measures light intensity, which we will relate to changes in [O2]. @gabkalb @millerlp
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Final tidepool biodiversity survey for our #SitkaNSF project! Many thanks to @zofiadanielson, @gabkalb, & @gallaher_grant for working w/ me to survey 15 pools in 2 days. Now to analyze the data...
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Our local hosts at the @uasoutheast Sitka campus kindly labeled a cart for us to haul our hundreds of pounds of batteries around the building on weekends, when our usual access door is blocked. #TeamSorte #InATidepoolNearYou #SitkaNSF @CascadeJBS
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