Pau Colom
@paucolom.bsky.social
Postdoc at IRBio, University of Barcelona
Butterflies & global change 🦋🌍
Ecòleg i ecologista
Butterflies & global change 🦋🌍
Ecòleg i ecologista
Reposted by Pau Colom
🚨PhD offer 👩🎓:
Fascinated by island biodiversity, palaeoecology & human impacts on ecosystems? 🌴🦜🌍 Join @creaf.cat to explore how island life changed over the last 11,700 years.
Deadline: 27 Oct 2025
Selection: ~November
Starting: ~January 2026
Supervision: @sandranogue.bsky.social & me
More info👇
Fascinated by island biodiversity, palaeoecology & human impacts on ecosystems? 🌴🦜🌍 Join @creaf.cat to explore how island life changed over the last 11,700 years.
Deadline: 27 Oct 2025
Selection: ~November
Starting: ~January 2026
Supervision: @sandranogue.bsky.social & me
More info👇
September 25, 2025 at 10:36 AM
🚨PhD offer 👩🎓:
Fascinated by island biodiversity, palaeoecology & human impacts on ecosystems? 🌴🦜🌍 Join @creaf.cat to explore how island life changed over the last 11,700 years.
Deadline: 27 Oct 2025
Selection: ~November
Starting: ~January 2026
Supervision: @sandranogue.bsky.social & me
More info👇
Fascinated by island biodiversity, palaeoecology & human impacts on ecosystems? 🌴🦜🌍 Join @creaf.cat to explore how island life changed over the last 11,700 years.
Deadline: 27 Oct 2025
Selection: ~November
Starting: ~January 2026
Supervision: @sandranogue.bsky.social & me
More info👇
🤓👌
On Sep 23 I’ll be at Casa Golferichs for the #NitRecerCat24 with my talk:
“¿Dónde están las mariposas? Matemáticas para descubrir su futuro”. 🦋✨
Come join and explore how #mathematics & #AI help us understand and protect #biodiversity!
👉 lanitdelarecerca.cat/bloc-de-micr...
“¿Dónde están las mariposas? Matemáticas para descubrir su futuro”. 🦋✨
Come join and explore how #mathematics & #AI help us understand and protect #biodiversity!
👉 lanitdelarecerca.cat/bloc-de-micr...
September 15, 2025 at 8:26 AM
🤓👌
Reposted by Pau Colom
Five 3-year Postdoc positions open at @ebdonana.bsky.social. I am happy to sponsor and mentor good candidates working in my field, but note that these are quite independent positions aimed at helping stabilize new researchers in the system. www.dropbox.com/scl/fi/4nqkq...
www.dropbox.com
August 18, 2025 at 3:27 PM
Five 3-year Postdoc positions open at @ebdonana.bsky.social. I am happy to sponsor and mentor good candidates working in my field, but note that these are quite independent positions aimed at helping stabilize new researchers in the system. www.dropbox.com/scl/fi/4nqkq...
Reposted by Pau Colom
More bad news for butterflies. Our new paper led by Wendy Leuenberger shows common species are declining even more rapidly than rare ones. @ZipkinLab
Three decades of declines restructure butterfly communities in the Midwestern United States | PNAS www.pnas.org/doi/10.1073/pnas.2501340122
Three decades of declines restructure butterfly communities in the Midwestern United States | PNAS www.pnas.org/doi/10.1073/pnas.2501340122
Three decades of declines restructure butterfly communities in the Midwestern United States | PNAS
Insects are declining worldwide. These declines have been documented across taxonomic
groups and are worrisome given ecosystem services provided by...
www.pnas.org
August 4, 2025 at 10:10 PM
More bad news for butterflies. Our new paper led by Wendy Leuenberger shows common species are declining even more rapidly than rare ones. @ZipkinLab
Three decades of declines restructure butterfly communities in the Midwestern United States | PNAS www.pnas.org/doi/10.1073/pnas.2501340122
Three decades of declines restructure butterfly communities in the Midwestern United States | PNAS www.pnas.org/doi/10.1073/pnas.2501340122
Reposted by Pau Colom
A full report of our latest European Grassland Index has just been published. It gives individual species trends as well as the overall decline of 50% since 1991-2023. Another update will be coming soon to include 2024 (which was not a good year for many butterflies) doi.org/10.5281/zeno...
EU Grassland Butterfly Index 1991-2023 Technical report
Executive Summary Butterflies have been systematically monitored in Europe for several decades using standard protocols that are now adopted in over 30 countries. Butterflies are ideal biological indi...
doi.org
July 29, 2025 at 2:32 PM
A full report of our latest European Grassland Index has just been published. It gives individual species trends as well as the overall decline of 50% since 1991-2023. Another update will be coming soon to include 2024 (which was not a good year for many butterflies) doi.org/10.5281/zeno...
Reposted by Pau Colom
🌆 Urban Ecology goes beyond the themed sessions!
All week, check out additional presentations in:
📍 Seminarios 1 & 7, Auditorio, Balconada, and Cova dos Libros
Hear @paucolom.bsky.social or @pauguzman.bsky.social talking about butterflies 🦋 and @hernandezaguero.com on nature-based solutions 🌿🔧
All week, check out additional presentations in:
📍 Seminarios 1 & 7, Auditorio, Balconada, and Cova dos Libros
Hear @paucolom.bsky.social or @pauguzman.bsky.social talking about butterflies 🦋 and @hernandezaguero.com on nature-based solutions 🌿🔧
May 29, 2025 at 4:46 PM
🌆 Urban Ecology goes beyond the themed sessions!
All week, check out additional presentations in:
📍 Seminarios 1 & 7, Auditorio, Balconada, and Cova dos Libros
Hear @paucolom.bsky.social or @pauguzman.bsky.social talking about butterflies 🦋 and @hernandezaguero.com on nature-based solutions 🌿🔧
All week, check out additional presentations in:
📍 Seminarios 1 & 7, Auditorio, Balconada, and Cova dos Libros
Hear @paucolom.bsky.social or @pauguzman.bsky.social talking about butterflies 🦋 and @hernandezaguero.com on nature-based solutions 🌿🔧
Reposted by Pau Colom
🌿 Our new study in @natplants.nature.com: Most European temperate forest plants are associated with semi-open, herbivore-shaped habitats—not closed-canopy #forests 🐎🌳🔆🌸 Highlights the need for trophic #rewilding in #conservation & need to avoid uniform dense #reforestation🌿
📄 doi.org/10.1038/s414...
📄 doi.org/10.1038/s414...
Temperate forest plants are associated with heterogeneous semi-open canopy conditions shaped by large herbivores - Nature Plants
Temperate forest plants favour heterogeneous semi-open woodlands associated with high herbivore densities, rather than uniform closed-canopy forests. Herbivore loss is therefore a probable driver of e...
doi.org
April 14, 2025 at 11:30 AM
🌿 Our new study in @natplants.nature.com: Most European temperate forest plants are associated with semi-open, herbivore-shaped habitats—not closed-canopy #forests 🐎🌳🔆🌸 Highlights the need for trophic #rewilding in #conservation & need to avoid uniform dense #reforestation🌿
📄 doi.org/10.1038/s414...
📄 doi.org/10.1038/s414...
Reposted by Pau Colom
Constantí Stefanescu summarises the results of 30 years of the Catalunya Butterfly Monitoring Scheme. Nearly 60% of species are declining significantly and only 10% increasing #FutureofButterflies
April 3, 2025 at 12:13 PM
Constantí Stefanescu summarises the results of 30 years of the Catalunya Butterfly Monitoring Scheme. Nearly 60% of species are declining significantly and only 10% increasing #FutureofButterflies
Reposted by Pau Colom
New paper with Erica Henry & @nickhaddad.bsky.social
Q: What happens when butterflies, responding to climate warming, attempt an extra generation as summers get longer?
A: Long-term monitoring shows overwinter population growth increases! 🧪🦋🐛https://onlinelibrary.wiley.com/doi/10.1111/ele.70018
Q: What happens when butterflies, responding to climate warming, attempt an extra generation as summers get longer?
A: Long-term monitoring shows overwinter population growth increases! 🧪🦋🐛https://onlinelibrary.wiley.com/doi/10.1111/ele.70018
Voltinism Shifts in Response to Climate Warming Generally Benefit Populations of Multivoltine Butterflies
Insects may respond to climate warming by advancing phenology and increasing the number of generations each year (voltinism). However, one concern is that earlier phenology changes cue-response relat...
onlinelibrary.wiley.com
April 2, 2025 at 4:34 PM
New paper with Erica Henry & @nickhaddad.bsky.social
Q: What happens when butterflies, responding to climate warming, attempt an extra generation as summers get longer?
A: Long-term monitoring shows overwinter population growth increases! 🧪🦋🐛https://onlinelibrary.wiley.com/doi/10.1111/ele.70018
Q: What happens when butterflies, responding to climate warming, attempt an extra generation as summers get longer?
A: Long-term monitoring shows overwinter population growth increases! 🧪🦋🐛https://onlinelibrary.wiley.com/doi/10.1111/ele.70018
Reposted by Pau Colom
"In conclusion, our results underscore the adverse impact of a zero-fire policy on insect communities, including fruit-feeding butterflies, within this unique ecosystem." Freire-Jr et al.
🧪🌍🌿🔥🌳 wildfire 🦋
onlinelibrary.wiley.com/doi/10.1111/...
🧪🌍🌿🔥🌳 wildfire 🦋
onlinelibrary.wiley.com/doi/10.1111/...
Fostering Biodiversity in Neotropical Savannahs: Fire as a Diversity Driver for Fruit‐Feeding Butterfly Assemblages in the Cerrado
The more frequently burnt areas with shorter time intervals since the last burn episode exhibited higher levels of biodiversity compared to sites where fires were less frequent and under longer inter...
onlinelibrary.wiley.com
March 26, 2025 at 8:59 PM
"In conclusion, our results underscore the adverse impact of a zero-fire policy on insect communities, including fruit-feeding butterflies, within this unique ecosystem." Freire-Jr et al.
🧪🌍🌿🔥🌳 wildfire 🦋
onlinelibrary.wiley.com/doi/10.1111/...
🧪🌍🌿🔥🌳 wildfire 🦋
onlinelibrary.wiley.com/doi/10.1111/...
Reposted by Pau Colom
IMHO, given the international political havoc and the attacks on the US science system, the EU had a chance to be smart—investing in an ambitious plan to attract international talent to our R&D system. Instead, we fell into the trap and chose to buy more weapons.
www.politico.eu/article/ursu...
www.politico.eu/article/ursu...
Von der Leyen calls for collective arms purchases by 2030
Europe has to rely more on its own resources, the Commission chief said.
www.politico.eu
March 19, 2025 at 10:29 AM
IMHO, given the international political havoc and the attacks on the US science system, the EU had a chance to be smart—investing in an ambitious plan to attract international talent to our R&D system. Instead, we fell into the trap and chose to buy more weapons.
www.politico.eu/article/ursu...
www.politico.eu/article/ursu...
Reposted by Pau Colom
In a review led by Spanish researchers David Peris and Ricardo Pérez-de la Fuente, we explored why a deep time perspective on insect pollination is relevant to our current understanding of plant-pollinator relationships. Read more here:
jeffollerton.co.uk/2025/03/12/e...
#pollinators #biodiversity
jeffollerton.co.uk/2025/03/12/e...
#pollinators #biodiversity
Evolutionary implications of a deep-time perspective on insect pollination – a new review just published
When we think of pollination, we often picture bees buzzing around flowers or butterflies flitting from bloom to bloom. This relationship between plants and pollinators is one of the most well-know…
jeffollerton.co.uk
March 12, 2025 at 11:29 AM
In a review led by Spanish researchers David Peris and Ricardo Pérez-de la Fuente, we explored why a deep time perspective on insect pollination is relevant to our current understanding of plant-pollinator relationships. Read more here:
jeffollerton.co.uk/2025/03/12/e...
#pollinators #biodiversity
jeffollerton.co.uk/2025/03/12/e...
#pollinators #biodiversity
Reposted by Pau Colom
Our latest Activity Report is now available on our website. It shows the amazing growth of the European Butterfly Monitoring Scheme and some exciting projects now underway to help slow the decline of butterflies, moths and other pollinators assets.vlinderstichting.nl/docs/28d3ebc...
March 12, 2025 at 7:14 AM
Our latest Activity Report is now available on our website. It shows the amazing growth of the European Butterfly Monitoring Scheme and some exciting projects now underway to help slow the decline of butterflies, moths and other pollinators assets.vlinderstichting.nl/docs/28d3ebc...
Reposted by Pau Colom
I'm so excited to share my new Science publication documenting the decline of butterflies across the USA!! The bottom line is that we saw widespread, concerning declines between 2000 and 2020: 22% reduction in total numbers of butterflies, 33% of species declined while less than 3% increased.
March 6, 2025 at 10:32 PM
I'm so excited to share my new Science publication documenting the decline of butterflies across the USA!! The bottom line is that we saw widespread, concerning declines between 2000 and 2020: 22% reduction in total numbers of butterflies, 33% of species declined while less than 3% increased.
Cada vez más evidencias apuntan al declive global de las mariposas. Esta semana, un nuevo trabajo revela un declive generalizado en EEUU en las últimas dos décadas: www.science.org/doi/10.1126/.... Comentarios de colegas y míos sobre la situación en España y Europa: elpais.com/ciencia/2025...
Rapid butterfly declines across the United States during the 21st century
Numerous declines have been documented across insect groups, and the potential consequences of insect losses are dire. Butterflies are the most surveyed insect taxa, yet analyses have been limited in ...
www.science.org
March 9, 2025 at 11:54 AM
Cada vez más evidencias apuntan al declive global de las mariposas. Esta semana, un nuevo trabajo revela un declive generalizado en EEUU en las últimas dos décadas: www.science.org/doi/10.1126/.... Comentarios de colegas y míos sobre la situación en España y Europa: elpais.com/ciencia/2025...
That feeling when you achieve excellence but still fall short. Sometimes the ball hits the net and falls on the wrong side. I guess that's part of the game. Let's keep pushing! #MCSA2024
February 10, 2025 at 11:17 AM
That feeling when you achieve excellence but still fall short. Sometimes the ball hits the net and falls on the wrong side. I guess that's part of the game. Let's keep pushing! #MCSA2024
Reposted by Pau Colom
[new paper] EuPPollNet: A European Database of Plant-Pollinator Networks
onlinelibrary.wiley.com/doi/10.1111/... Another wonderful paper of @joseblanuza.bsky.social making open more than >1500 networks and looking at their properties. Come for the data, stay for the cool figures!
onlinelibrary.wiley.com/doi/10.1111/... Another wonderful paper of @joseblanuza.bsky.social making open more than >1500 networks and looking at their properties. Come for the data, stay for the cool figures!
EuPPollNet: A European Database of Plant‐Pollinator Networks
Motivation Pollinators play a crucial role in maintaining Earth's terrestrial biodiversity. However, rapid human-induced environmental changes are compromising the long-term persistence of plant-pol...
onlinelibrary.wiley.com
February 4, 2025 at 8:01 AM
[new paper] EuPPollNet: A European Database of Plant-Pollinator Networks
onlinelibrary.wiley.com/doi/10.1111/... Another wonderful paper of @joseblanuza.bsky.social making open more than >1500 networks and looking at their properties. Come for the data, stay for the cool figures!
onlinelibrary.wiley.com/doi/10.1111/... Another wonderful paper of @joseblanuza.bsky.social making open more than >1500 networks and looking at their properties. Come for the data, stay for the cool figures!
Reposted by Pau Colom
How does local climate influence ecological communities? Answer: #Thermophilisation caused by #colonisation and local #extinction. Check out the new paper by
@guim091.bsky.social on #mountain #butterflies in Central Spain. #ClimateChange #Refugia
doi.org/10.1111/ddi....
@guim091.bsky.social on #mountain #butterflies in Central Spain. #ClimateChange #Refugia
doi.org/10.1111/ddi....
January 23, 2025 at 4:52 PM
How does local climate influence ecological communities? Answer: #Thermophilisation caused by #colonisation and local #extinction. Check out the new paper by
@guim091.bsky.social on #mountain #butterflies in Central Spain. #ClimateChange #Refugia
doi.org/10.1111/ddi....
@guim091.bsky.social on #mountain #butterflies in Central Spain. #ClimateChange #Refugia
doi.org/10.1111/ddi....
Reposted by Pau Colom
This post by @jeffollerton.bsky.social shows we had online plant-pollinator databases since 1995!! jeffollerton.co.uk/2025/01/07/w... The next big one is coming soon, lead by @joseblanuza.bsky.social within the #safeguard pollinators project with more than 1000 networks
The 31st Annual Meeting of the Scandinavian Association for Pollination Ecology (SCAPE 2017) – registration closes 15th September
SCAPE is my favourite annual conference by a long margin: small, friendly, welcoming (especially for Master’s and PhD students, and postdocs), and packed full of great science. It’s th…
jeffollerton.co.uk
January 8, 2025 at 7:22 AM
This post by @jeffollerton.bsky.social shows we had online plant-pollinator databases since 1995!! jeffollerton.co.uk/2025/01/07/w... The next big one is coming soon, lead by @joseblanuza.bsky.social within the #safeguard pollinators project with more than 1000 networks
Reposted by Pau Colom
Arrived!! @callejas.bsky.social @paucolom.bsky.social
December 10, 2024 at 10:31 PM
Arrived!! @callejas.bsky.social @paucolom.bsky.social