Wicklow Mountains Field Day – Peatlands Rock!

This summer, the Plant-Climate Interaction Lab spent a day in the Wicklow Mountains to deepen our understanding of Irish upland ecosystems. Guided by Kamila, our route took us up Tonelagee, one of Wicklow’s highest peaks, with stunning views over the heart-shaped Lough Ouler.

Along the way, we explored the unique ecology of Irish peatlands. Jenny offered fascinating insights into how these boggy landscapes formed over thousands of years and their crucial role in carbon storage and climate resilience. Blanka brought a geological perspective, explaining the processes that shaped the Wicklow Mountains, including their granite composition and glacial history.

We observed all three native types of Irish heather: ling heather (Calluna vulgaris), bell heather (Erica cinerea), and cross-leaved heath (Erica tetralix). Bilberries were also plentiful, alongside striking cup lichens with red apothecia (Cladonia species). One of the botanical highlights of the day was spotting the rare marsh clubmoss (Lycopodiella inundata), a species of conservation concern in Ireland.

And just when we thought the day couldn’t offer more surprises, we encountered a spectacular emperor moth caterpillar (Saturnia pavonia) with its vivid green body and yellow-ringed eye spots, a beautiful reminder of the biodiversity hidden in these upland habitats.

This field day was not only an opportunity to learn but also a chance to spend time together in nature, sharing knowledge, curiosity, and inspiration.

Plant/Climate Interaction Lab
Botany Department, School of Natural Sciences, Trinity College Dublin, Dublin 2, Ireland

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