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Acadia National Park is home to several low-elevation ⛰️ with alpine or subalpine 🌸, thought to be remnants of tundra that tracked the melting glaciers northward some 13,000 years ago. What does their long history of persistence mean for these plants in a warming world?
#BEASTLab undergraduate Cas Carroll (they/them) wanted to find out! They worked with former postdoc @CaitlinInMaine (she/her) on a sediment core from Sargent Mountain Pond to identify plant macrofossils—fragments of leaves, needles, and seeds from plants growing around the pond.
Cas’ senior capstone at @UMaine has now been published as part of a special issue of @FrontEcolEvol devoted to conservation paleobiology—using the past to help inform how we manage and protect biodiversity. Check it out: frontiersin.org/articles/10.33…
Congratulations to #BEASTLab alum @DulcineaGroff, whose first PhD paper was accepted just as she’s about to drive to Wyoming to start a new postdoc with @WyClimate! It’s the first of a few #FalklandsPaleo papers currently in review.
biogeosciences-discuss.net/bg-2019-487/
biogeosciences-discuss.net/bg-2019-487/
For this paper, Dulcinea tested how well modern tussac grass leaves capture the chemistry of seasonal rainfall. It turns out, really well! Tussac forms thick peatlands on islands in the South Atlantic, so in the future, we can analyze ancient leaves and recreate past climates.
You can learn more about tussac and the fascinating ecosystems of the Falklands by following #TussacTuesday, @SAERI_FI, and @FI_Conservation.
This work was made possible by hundreds of crowd-founders via @lets_experiment, and by #IsoCamp, a great isotope science short course.
This work was made possible by hundreds of crowd-founders via @lets_experiment, and by #IsoCamp, a great isotope science short course.
