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Julián A. Velasco

@juvelas.bsky.social
2K followers 843 following 98 posts

Instituto de Ciencias de la Atmósfera y Cambio Climático, Universidad Nacional Autónoma de México Macroecology, climate change, urban biodiversity, scale, juvelas.github.io 🇨🇴 in 🇲🇽

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Reposted by Julián A. Velasco
Jhan C. Salazar, PhD @jhancsalazar.bsky.social · 06/10/2026
Happy to share that the last chapter of my dissertation is finally out in Evolution! 🦎⛰️ I'll share a longer thread soon about what we did and found. Huge thanks to all my coauthors: @jblosos.bsky.social, @juvelas.bsky.social, Steven Poe and Adam Algar doi.org/10.1093/evol...
doi.org
Repeated evolution of high-elevation occupation in tropical lizards
Abstract. Since Darwin and Humboldt, researchers have sought to understand how species adapt to elevation. Although tropical reptiles are typically most di
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Reposted by Julián A. Velasco
Fabricio Villalobos @fabrovillalobos.bsky.social · 05/10/2026
Ever wondered how to combine biodiversity analyses in geographic space with those in environmental space, while also considering species' traits in an attribute space? Wonder no more! shorturl.at/Qsbdk
shorturl.at
Mapping diversity through geographical, environmental and attribute spaces
Understanding biodiversity patterns requires integrating information across the interrelated dimensions that organize life. Species occupy specific regions in geographic space, respond to environm...
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Julián A. Velasco @juvelas.bsky.social · 20/09/2026
Suena a chiste pero no. Este fue el que liberó los globos en el norte de México sin autorización. Estos "experimentos" de jardín escolar no están y no deberían estar permitidos, y menos si son llevados a cabo por estos techno-charlatanes.
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Covering Climate Now @coveringclimatenow.org · 12/08/2026
Where did all the federal climate data go? “Academics, journalists, and nonprofit organizations are working to rebuild what has been lost.” Here's a guide... buff.ly/r7Bx9zt
yaleclimateconnections.org
A review of rescued climate data » Yale Climate Connections
The Trump administration has shut down websites like climate.gov and other climate data projects. Academics, journalists, and nonprofit organizations are working to rebuild what has been lost.
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Julián A. Velasco @juvelas.bsky.social · 08/08/2026
Hehehe I'm sorry, but I will come back!
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Julián A. Velasco @juvelas.bsky.social · 08/08/2026
Encontré tu firma en el CT scan
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Julián A. Velasco @juvelas.bsky.social · 07/08/2026
Primera visita a Canadá y no se ve tan mal ... quedan ganas de volver
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Reposted by Julián A. Velasco
Fabricio Villalobos @fabrovillalobos.bsky.social · 04/08/2026
Lo and behold the "Macroecotoxicology" approach 👇We present a macroecological framework to scale up ecotoxicology and study the emergent patterns of biodiversity under the effect of contaminants
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Julián A. Velasco @juvelas.bsky.social · 07/08/2026
Toronto's bay and the final day of Ecological Forecasting meeting 2026.
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Reposted by Julián A. Velasco
Nicolas Urbina-Cardona @bothrops77.bsky.social · 17/07/2026
🌎 Where is alpine biodiversity concentrated across the world’s mountains? Our study in @natcomms.nature.com shows that alpine biodiversity hotspots are concentrated in Neotropical regions, especially the Andes 🌐 🔗 doi.org/10.1038/s414... 🧵👇 #MountainBiodiversity #AlpineBiodiversity
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Julián A. Velasco @juvelas.bsky.social · 04/07/2026
Latin American scientists lead SRM biodiversity workshop in Bogotá degrees.ngo/latin-americ...
degrees.ngo
Latin American scientists lead SRM biodiversity workshop in Bogotá
In early June, more than 24 biodiversity and ecology researchers from across Latin America met in Bogotá, Colombia, for a three-day workshop on modelling the potential impacts of solar radiation modif...
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Reposted by Julián A. Velasco
Covering Climate Now @coveringclimatenow.org · 23/06/2026
It's not all bad news! Here's some good news on the climate front that we've recently shared in our #ClimateBeat newsletter...
grist.org
For first time, Americans are getting more of their electricity from solar than coal
Solar provides more than twice the share of electricity it did five years ago.
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Julián A. Velasco @juvelas.bsky.social · 23/06/2026
qué está esperando para devolverlo?
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Julián A. Velasco @juvelas.bsky.social · 23/06/2026
saliste a votar?
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Julián A. Velasco @juvelas.bsky.social · 17/06/2026
mutante.org/contenidos/e...
mutante.org
MUTANTE - El fin del petróleo aún está lejos, pero varios países ya lo imaginan
Colombia lideró la primera cumbre global para abandonar los combustibles fósiles. En el fondo, la discusión sobre el fin del petróleo desafía la forma en la que funciona el poder en el mundo, y plante...
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Julián A. Velasco @juvelas.bsky.social · 02/06/2026
Así está Colombia ahora mismo eligiendo presidente.
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Flo Grattarola @flograttarola.bsky.social · 22/05/2026
📢 Uruguay #Biodiversidata invita al taller teórico-práctico de dos días “Gestión y publicación de datos de biodiversidad”. 📅 lunes 8 y martes 9 de junio, 2026 🕤 9:30 a 15:30 hs 📍 CURE (Universidad de la República), Maldonado Inscripciones forms.gle/LXT3NYfTq4SC... (hasta el 1 de junio) @gbif.org
Flyer del taller indicando que el taller será el 8 y 9 de junio, de 9:30 a 15:30 hs en el CURE de Maldonado. Docentes invitados: Clara Baringo (Sistema de Informação sobre a Biodiversidade Brasileira, Brasil), Ricardo Ortiz (Instituto Humboldt, Colombia) y Ricardo Segovia (Instituto de Ecologia y Biodiversidad, Chile)
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Julián A. Velasco @juvelas.bsky.social · 25/04/2026
The planet has been warming more rapidly in recent decades, and species are likely affected by this. In this paper, we explore how this recent increase in temperature relates to the risk of extinction in carnivores. www.sciencedirect.com/science/arti...
sciencedirect.com
Recent acceleration of climate change increases extinction risk of the world's carnivores
Carnivoran species are increasingly threatened by human-induced environmental changes, making them especially vulnerable to extinction risk. We used B…
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Julián A. Velasco @juvelas.bsky.social · 21/04/2026
Dinámicas Evolutivas y de Diversificación en Regiones Montañosas Tropicales www.anoleannals.org/2026/04/19/d...
anoleannals.org
Dinámicas Evolutivas y de Diversificación en Regiones Montañosas Tropicales
Al igual que cuando era estudiante de pregrado, me demoré un buen rato en decidir qué hacer para mi tesis doctoral, ya que tuve que replantear la mayor parte debido a la pandemia de COVID. Meses an…
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Julián A. Velasco @juvelas.bsky.social · 17/04/2026
Voy para ese tierrero en junio, para que nos veamos
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IPBES en español @ipbeses.bsky.social · 17/03/2026
La nueva Evaluación #BizBiodiversity de la IPBES refleja la cruda realidad de los efectos del desarrollo industrial en los territorios indígenas. 🌍 1/4 de los territorios indígenas se encuentran bajo una fuerte presión debido a la explotación de recursos. 🧪 🏡 Saber más: bit.ly/IPBES12Media
Cifra clave de la Evaluación de Biodiversidad Empresarial de la IPBES indica "60 % DE TIERRAS INDÍGENAS A NIVEL MUNDIAL" con "CIFRA CLAVE" arriba y "AMENAZADAS POR EL DESARROLLO INDUSTRIAL" abajo. El logotipo de la IPBES aparece en la esquina superior izquierda con el lema "Ciencia y Políticas para las Personas y la Naturaleza".
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Jhan C. Salazar, PhD @jhancsalazar.bsky.social · 14/03/2026
I’m happy to share that the third chapter of my doctoral dissertation has been published in Global Ecology and Biogeography: Diversification and Evolutionary Dynamics in Tropical Montane Regions Huge thanks to my co-authors for their support! doi.org/10.1111/geb....
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Julián A. Velasco @juvelas.bsky.social · 13/03/2026
Colaboren que no es pa' vicio 👇🫰
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Nicolas Mouquet @nmouquet.bsky.social · 09/03/2026
‪ 🌳 Do you want to contribute to research on how humans perceive forests? Take this quick, anonymous 10-min survey 🌲 👉 www.biodiful.org#/forest This will help us explore how people experience forest biodiversity! Please share on 🦋 & tag @biodiful.bsky.social to reach more participants 🙏💚 🌐🌍🦤🦑🪴🍁🧪
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Fabricio Villalobos @fabrovillalobos.bsky.social · 23/01/2026
We know that marine fishes 🐠 have an inverse gradient of speciation compared to that of spp richness, with higher speciation at higher latitudes. But, what about freshwater 🐟? Find out in the new PhD paper by Juliana Herrera-Pérez and friends (not just colleagues) 🤿 👇 shorturl.at/zgKfA
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Center for Climate Integrity @climateintegrity.org · 05/01/2026
Big Oil has a long history of interference in Latin America. Documents reveal that "Exxon funded rightwing thinktanks to spread climate change denial," invest in "market-oriented public policies" and ensure "continued strong returns to Exxon’s investors.” 😑
theguardian.com
Exxon funded thinktanks to spread climate denial in Latin America, documents reveal
Texas-based fossil fuel company financed Atlas Network in attempt to derail UN-led climate treaty process
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Reposted by Julián A. Velasco
Sofia Moutinho @sofiamoutinho.bsky.social · 18/12/2025
The future of the Amazon may rely on its past. According to study, landscape interventions by the forest’s pre-Columbian Indigenous inhabitants might still affect its ecological functions, including its capacity to store biomass, absorb carbon, and withstand climate change eos.org/articles/how...
eos.org
How Ancient Indigenous Societies Made Today’s Amazon More Resilient - Eos
Portions of the forest managed by pre-Columbian populations hold higher biomass and are more able to withstand climate change.
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Reposted by Julián A. Velasco
Ed Hawkins @edhawkins.org · 15/12/2025
The new GloSAT temperature dataset extends our observational estimates of global temperature change back to 1781 Blog: climatelabbook.substack.com/p/new-estima... Paper by Morice et al.: essd.copernicus.org/articles/17/...
climatelabbook.substack.com
New estimates of surface temperature change since the late 18th century
Releasing an observation-based global temperature dataset extending back to 1781
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Julián A. Velasco @juvelas.bsky.social · 15/12/2025
En teoría, si la mayoría de tus cercanos migraron para acá, se debería mantener eso, no? Casi toda la banda académica que seguía y me seguía se movió acá
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Julián A. Velasco @juvelas.bsky.social · 15/12/2025
Yo por el contrario no, pero creo que es porque ya me saturé de la interacción social virtual
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Andrew Abraham @andrewabraham.bsky.social · 09/12/2025
Earth's largest land animals are limited by salt. Sodium availability constrains the density and distribution of elephants, giraffes and rhinos across Africa, and offers a new explanation for the so-called 'missing megaherbivores'. www.nature.com/articles/s41... Free access: rdcu.be/eTPY2
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Julián A. Velasco @juvelas.bsky.social · 04/12/2025
Cuando les instalen una dictadura militar, no vayan a estar llorando... contralinea.com.mx/interno/sema...
contralinea.com.mx
Faculta Senado a la Guardia Nacional a vigilar Áreas Naturales Protegidas
Senado aprueba reforma: Guardia Nacional vigilará Áreas Naturales Protegidas y Bosque de Agua para combatir tala ilegal y tráfico de fauna.
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Harim B. Gutiérrez @harimbgutierrez.bsky.social · 29/11/2025
1- El truculento caso de la revista "Science of the Total Environment" que cobra 3600 euros por publicar un paper, y cuyo director figuró como coautor de 200 artículos publicados allí mismo. elpais.com/ciencia/2025...
elpais.com
La caída de una megarrevista científica expone el pelotazo de las editoriales en la ciencia
Una de las cabeceras que más estudios publican en el mundo, expulsada del sistema por irregularidades. Su editorial, Elsevier, supera los 1.300 millones de euros de beneficios al año
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Jhan C. Salazar, PhD @jhancsalazar.bsky.social · 27/11/2025
I'm happy to share that, together with @juvelas.bsky.social and Daniel Vásquez-Restrepo to examine how Andean uplift influenced the evolution of South American squamates as part of the book Andean Herpetofauna: Explorations of Diversity, Ecology and Conservation by @springernature.com (1/3)
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Gabriel M. Moulatlet @gabrielmoulatlet.bsky.social · 12/11/2025
We are glad to share our recent article pulbished in @pnas.org, where we we demonstrate that plant species that occupy larger geographic ranges tend to have broader climatic niches and are more likely to achieve high local abundances.
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Fabricio Villalobos @fabrovillalobos.bsky.social · 12/11/2025
Very happy to finally see this out in @pnas.org. Great work (masterfully) led by my dear friend @gabrielmoulatlet.bsky.social on a classic question on range sizes, climatic niches and dominance for plants at the global scale! Thanks for the collab, Gabriel!
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Fabricio Villalobos @fabrovillalobos.bsky.social · 07/11/2025
Hot off the press! From the PhD thesis of @lopezreyeska.bsky.social where we explored the connection between biogeographic processes and climatic niche dynamics in spiny lizards 👇
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Julián A. Velasco @juvelas.bsky.social · 22/10/2025
¿Qué factores determinan la biodiversidad urbana en México? Este viernes en Datos Vivos 2025 hablaré un poco de eso con algunas actualizaciones de los datos que usamos y los factores de riesgo conjunto www.livingdata2025.com/program.html...
livingdata2025.com
Living Data 2025 - Conference Program
Explore the complete conference program with 700+ presentations across 4 days
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@biogeographyjfab @biogeographyjfab.bsky.social · 19/10/2025
We are honored to be collaborating with @stanfordpress.bsky.social + @pkp.sfu.ca on this project! #BetterPublishing.
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Stanford University Press @stanfordpress.bsky.social · 30/09/2025
The new journals are: Biogeography (BIOG) is a peer-reviewed journal that publishes articles ranging from biological work that is geographically situated to geographical work that is biologically relevant. biog.journals.sup.org/index.php/biog
biog.journals.sup.org
Biogeography
Biogeography is an academic-owned, diamond Open Access journal, published by the academic, non-profit, Stanford University Press (SUP), using the Public Knowledge Project’s Open Journal Systems platfo...
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@biogeographyjfab @biogeographyjfab.bsky.social · 19/10/2025
@peeer.bsky.social We are delighted to announce @sse-evolution.bsky.social has joined 9 other scientific societies in endorsing a Joint Statement on Scientific Publishing peeer.net/societies/ We look forward to developing more affordable, accessible, equitable publishing together #BetterPublishing
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Julián A. Velasco @juvelas.bsky.social · 18/09/2025
Le diré a mis compas que entren a probar los tacos de ullucos.
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Julián A. Velasco @juvelas.bsky.social · 17/09/2025
Buscando dizque restaurantes para cenar en Bogotá y aparecen dizque opciones con ofertas de tacos. Qué gonorrea.
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Nature Portfolio @natureportfolio.nature.com · 08/09/2025
Why are some species widespread while others are found only in small, isolated areas? A study in Nature Communications shows that species with narrow ranges, and thus higher extinction risk, are often island-restricted, poor dispersers, and have evolved relatively recently. #evosky 🧪
go.nature.com
Evolutionary age correlates with range size across plants and animals - Nature Communications
Why are some species widespread while others are found only in small, isolated areas? This study shows that species with narrow ranges, and thus higher extinction risk, are often island-restricted, poor dispersers, and have evolved relatively recently.
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iDiv Biodiversity Research @idiv-research.bsky.social · 27/08/2025
A new @natcomms.nature.com study led by iDiv alumna @adrianaalzate.bsky.social @naturalis.bsky.social uncovered that across >26,000 species evolutionary age is positively linked to range size, except in marine mammals. #Biodiversity #Evolution #iDivResearch www.idiv.de/older-specie...
idiv.de
Older species tend to have large ranges – unless they live on islands
New Nature Communication publications sheds light on how ecological, evolutionary, and geographical processes can simultaneously shape species’ vulnerability to extinction.
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Oxfam en América Latina y el Caribe @oxfamlac.bsky.social · 24/08/2025
¡Hola! Tenemos una oportunidad increíble que compartir 🎉 Si tienes entre 18 y 35 años y eres de Latinoamérica, este taller es para ti. Buscamos jóvenes que tengan una historia real y poderosa sobre cómo el cambio climático está afectando sus vidas y sus comunidades.
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Julián A. Velasco @juvelas.bsky.social · 23/08/2025
Convocatoria para ocupar plaza de investigador(a): Cambio Climático, Biodiversidad, Seguridad Alimentaria #UNAM #ICAyCC www.atmosfera.unam.mx/convocatoria...
atmosfera.unam.mx
Convocatoria para ocupar la posición equivalente a Investigador(a) Asociado(a) 'C' de Tiempo Completo en el área de Cambio climático y su impacto en la biodiversidad y seguridad alimentaria
Convocatoria: Posición equivalente a Investigador(a) Asociado(a) C de Tiempo Completo en el área de Cambio climático y su impacto en la biodiversidad y seguridad alimentaria,
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Michael E. Mann @michaelemann.bsky.social · 22/08/2025
"predictions are hard, especially about the future" (and ESPECIALLY when driven by ideology rather than science)
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Julián A. Velasco @juvelas.bsky.social · 25/07/2025
Muchas gracias, voy a revisarlos.
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Lauri Myllyvirta @laurimyllyvirta.bsky.social · 22/07/2025
New from me: How China's clean energy manufacturing boom is helping reduce CO2 emissions overseas. In 2024, China’s exports of solar panels, batteries and electric vehicles are shaved 1% off global emissions outside of China.
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