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Lluís Coll

@lluiscoll

Forestry engineer with a PhD in Forest Ecology. Professor at the #UniversityofLleida. Also researcher at the Joint Research Unit #CTFC-AGROTECNIO. Coordinator of ADAPTAFOR research group. Views my own. Web: https://sites.google.com/view/lluiscoll

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14.11.2024
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Latest posts by Lluís Coll @lluiscoll

Laboratori Forestal Català

🚀 We’re excited to announce the launch of ForestDrought, the new app from the Catalan Forest Laboratory!
With ForestDrought, you can visualize and download daily estimates of water balance for mainland Spain.
Check it out !
laboratoriforestal.creaf.cat/forestdrough...

30.01.2026 10:38 👍 4 🔁 5 💬 1 📌 1
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Fire severity shapes landscape heterogeneity in Mediterranean forest ecosystems - Landscape Ecology Context In Mediterranean forests, the increasing frequency of high severity fires poses a challenge to current landscape management. In addition, these areas are experiencing a generalized process of ...

📢New paper out in Landscape Ecology!
We show how wildfire effects on Mediterranean forests depend on pre-fire landscape structure and fire-severity variability. High fire severity variation reduces small/medium pre-fire patches but increases the size of larger ones!
link.springer.com/article/10.1...

06.11.2025 10:33 👍 5 🔁 2 💬 0 📌 0
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Today, #MaraPaneghel has brightly defended her PhD entitled ‘Early post-fire regeneration dynamics of Mediterranean forests under current climate and future scenarios’ at @udl.cat. Congrats Mara for such an impressive field-based piece of work! It’s been a pleasure to share this adventure with you 🤗

20.10.2025 20:36 👍 7 🔁 0 💬 0 📌 0
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Distal to proximal: a continuum of drivers shaping tree growth and carbon partitioning The relationship between tree carbon (C) assimilation and growth is central to understanding tree functioning and forecasting forest C sequestration, yet remains unresolved. The long-standing debate ...

🌳 New Tansley Insight!
What really limits tree growth—carbon source or sink? 🤔
I argue it’s not either/or but a distal → proximal continuum: from photosynthesis to transport and cell division, drivers act together to shape C allocation & growth 🌱🌍
🔗 nph.onlinelibrary.wiley.com/doi/10.1111/nph.70516

05.09.2025 09:54 👍 28 🔁 15 💬 1 📌 0
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The study found that drivers of post-fire regeneration influence canopy and shrub layers differently. While aspect and pre-fire canopy cover modulated pine abundance, woody species richness and cover were also shaped by fire severity and land-use history.
Thanks ‪@ageinves.bsky.social for funding!

03.09.2025 14:11 👍 1 🔁 0 💬 0 📌 0
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Key Factors Influencing Post‐Fire Vegetation Recovery in Pinus halepensis Forests: Divergent Effects for Canopy and Shrub Species Rapid revegetation of burnt forest is essential for recovering ecosystem functioning, especially in the context of climate change-driven shifts in fire regime. We provide a field-based assessment of ....

New paper out in ‪@jvegsci.bsky.social‬, brilliantly led by M. Paneguel and J. Solé. This field-based study assessed the factors driving the recovery of P. halepensis communities after a large wildfire occurred in Ribera d'Ebre (NE Iberian Peninsula) in 2019. onlinelibrary.wiley.com/doi/10.1111/...

03.09.2025 14:11 👍 5 🔁 2 💬 1 📌 0
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Back from a short research stay at CATIE (Costa Rica) with DecisionES project. An amazing institute, with an impressive campus (full of nature everywhere) and teams leading interesting projects involving local communities in the definition of restoration and adaptation actions.
I’d love to be back!

17.08.2025 19:19 👍 5 🔁 0 💬 0 📌 0
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Come work with us! We are looking to fill a PhD (mountain forest management) and PostDoc position (forest adaptive capacity, w/ @juditlecinadiaz.bsky.social). We'd be happy to have you as part of our dynamic team!

PhD: www.lss.ls.tum.de/fileadmin/w0...

PostDoc: www.lss.ls.tum.de/fileadmin/w0...

24.07.2025 19:36 👍 36 🔁 35 💬 0 📌 3
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📢 PhD Opportunity: Soil Ecohydrology of Agroforestry Systems in Sub-Saharan Africa 🌍🌱 | Aida Bargués Tobella 📢 PhD Opportunity: Soil Ecohydrology of Agroforestry Systems in Sub-Saharan Africa 🌍🌱 💧 Declining water availability and land degradation are pressing issues across Sub-Saharan Africa. Agroforestry ...

Interesting PhD offer on Soil Ecohydrology of Agroforestry Systems in Sub-Saharian Africa with an excellent researcher and in a very nice working-environment!
www.linkedin.com/posts/aida-b...

23.07.2025 18:07 👍 1 🔁 0 💬 0 📌 0
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The 2024 Park Fire was the fourth largest wildfire on record in California and burned through forests that also burned in the 1990 Campbell Fire. The image shows the Iron Mountain area.

24.06.2025 21:31 👍 3 🔁 1 💬 1 📌 0
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El milagro de la tierra quemada, ¿cómo se regenera un bosque después de un incendio? “El 10 de agosto de 2003 es un día marcado en negro en nuestra casa”. Unas 4.558 hectáreas quemadas, 500 personas evacuadas y cinco vidas perdidas por asfixia.

El milagro de la tierra quemada, ¿cómo se regenera un bosque después de un incendio? www.lavanguardia.com/participacio...

23.06.2025 14:17 👍 0 🔁 0 💬 0 📌 0
Parcela quemada dos veces (1986 y 1995) sin presencia de Pinus halepensis

Parcela quemada dos veces (1986 y 1995) sin presencia de Pinus halepensis

Cistus albidus, Gladiolus illyricus, Thymus vulgaris y Phlomis lychnitis en plena floración

Cistus albidus, Gladiolus illyricus, Thymus vulgaris y Phlomis lychnitis en plena floración

Un intervalo corto entre incendios recurrentes (1986 y 1995) puede provocar la transición de un pinar de Pinus halepensis hacia un matorral dominado por Salvia rosmarinus y Thymus vulgaris sorprendentemente diverso!

Joncosa del Montmell, Tarragona

02.05.2025 11:12 👍 3 🔁 1 💬 0 📌 0
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Large uncultivated areas near home are colonized by this thistle (Silybum marianum, if I’m not wrong), creating impenetrable yet beautiful fields that shelter many rabbit colonies! 🐰

26.04.2025 15:03 👍 3 🔁 0 💬 0 📌 0
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Two inspiring days of discussions to better understand forests' adaptive capacity to disturbances! 🌳🔥🪲💨
Grateful for the inspiring group, the motivation, and the ideas we exchanged!
Thanks to @dfg.de for funding and to @edfm-tum.bsky.social for being part of the journey. Excited for what's ahead! 🚀

26.04.2025 08:40 👍 12 🔁 6 💬 0 📌 0

Gràcies David! Crèdits a @andreaduane.bsky.social, que és una crack! 😊

15.04.2025 17:20 👍 2 🔁 0 💬 1 📌 0
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Biophysical drivers of Pinus nigra subsp. salzmannii post-fire regeneration: role of fire refugia - Landscape Ecology Context Recent shifts in fire regimes challenge recovery of forest ecosystems. In Catalonia, Spain, the capacity of Pinus nigra to persist has been affected by recent high severity fires. Objectives T...

The second paper from Ana L. Méndez’s PhD is just out. It highlights the role of fire refugia in the post-fire recovery of a non-serotinous pine, serving not only as seed sources but also as shelters that reduce the exposure of pine regeneration to abiotic stress.
link.springer.com/article/10.1...

14.04.2025 08:41 👍 0 🔁 0 💬 0 📌 0
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We’ve been resampling the permanent plots established by Mara Paneghel during her PhD, shortly after the Santa Coloma de Queralt fire (2021). Mara is studying how climate warming (along with other factors) is influencing post-fire vegetation dynamics in Aleppo pine forests #fieldwork #permanentplots

09.04.2025 21:09 👍 7 🔁 0 💬 0 📌 0
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Me too…

09.04.2025 14:55 👍 2 🔁 0 💬 0 📌 0
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Thinning treatments applied to Aleppo pine stands by @diputaciobarcelona.bsky.social to reduce fire risk. In the images a control (left) and a thinned plot (right) established by @udl.cat as part of the #LIFEAdaptAleppo project.

27.03.2025 21:57 👍 8 🔁 0 💬 0 📌 0
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Found yesterday a Scots pine cone serving as a substrate for a couple of mushrooms 😊 (maybe @hcochard.bsky.social can help identify the species…?)

15.02.2025 13:26 👍 3 🔁 0 💬 1 📌 0
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How can we define a wildfire as extraordinarily large across regions?

What constitutes a large fire event varies regionally depending on biophysical attributes and fire response.

In our latest publication, we introduce a new approach using return periods to identify contextually large fires. ⬇️

13.02.2025 01:28 👍 5 🔁 1 💬 1 📌 0
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Recently learned from Yaacoub Nassif’s PhD (brilliantly defended yesterday in @agroparistech.bsky.social) about the intensive use of Cedrus libani by ancient civilizations, as demonstrated by this beautiful relief showing the transport of Cedrus logs by ship, dated around 713-716 BC.

24.01.2025 18:00 👍 5 🔁 0 💬 0 📌 0
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The use of low-intensity warm-appearing light sources not only reduces light pollution but also creates beautiful scenes, like this autumn snow falling and accumulating on the remaining Sorbus aucuparia fruits 😍 #Pyrenees #Llessui

07.12.2024 19:27 👍 5 🔁 0 💬 0 📌 0
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Disturbance impacts on Mediterranean forests across climate and management scenarios In the climate-vulnerable Mediterranean basin, the severity and frequency of disturbances such as windthrows, droughts and fires are intensifying. For…

New paper out in #JEMA brilliantly led by A. Ameztegui on the impact of management alternatives on multiple disturbances and service provision. Such a nice feeling to work and share co-authorship with excellent researchers and friends like Aitor, Miquel & Ale 😊
www.sciencedirect.com/science/arti...

29.11.2024 16:42 👍 5 🔁 0 💬 0 📌 0
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Field trips are essential in forestry education. This week, we learned with #ETSEAFiV students about mycosilviculture, resin extraction, and Scots and Maritime pine management in Soria. Big thanks to all the professionals who hosted us for the warm welcome and insights. We’ll be back!

27.11.2024 22:20 👍 5 🔁 1 💬 0 📌 0
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I really enjoyed visiting these sub-Mediterranean Pinus nigra stands located in the Catalan Pre-Pyrenees (Solsonès region). I was happy to see the forest owner as proud of his tall, straight trees as he was of the beautiful Acer opalus growing here and there adding some color to the understory.

20.11.2024 22:54 👍 6 🔁 1 💬 0 📌 0