Raquel Divieso
@raqueldivieso
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PhD in Ecology and Conservation In a lifelong quest to unveil vertebrates macroecological and macroevolutionary patterns 💻 Ant enthusiast 🐜
Curitiba - PR
Joined July 2009
Despite her short life, Deborah Rabinowitz's research on the seven forms of rarity transformed ecology and continues to inspire and guide biodiversity protection. Her legacy will never be forgotten!
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Deborah Rabinowitz's pioneering research reshaped our understanding of plant ecology and biodiversity. Her framework on species rarity is a cornerstone in conservation biology.
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A significant part of my PhD was based on a woman's work and I feel the need to share about this incredible scientist: Deborah Rabinowitz (1947-1987), who was a professor in the Section of Ecology and Systematics at @Cornell University. #WomeninScience
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🌍🐾Grateful to @marciopie and Joaquín Hortal for their collaboration and supervision. Hope our findings help improve Earth's precious biodiversity protection!
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By building a model that combines the 3 rarity traits with other vulnerability drivers, we created a vulnerability index. Globally projecting the species' index values and land cover changes, we identified conflict areas with high potential vulnerability and future habitat loss.
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Classifying terrestrial mammal species by rarity shows that many IUCN 'least concern' species have high rarity, indicating a need for monitoring. Data-deficient species also show patterns similar to high-risk categories, highlighting an urgent need for focused attention.
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Rarer species are often more at risk of extinction. In 1979, Dr. Deborah Rabinowitz proposed a classification of rarity based on species' habitat number, population size, and distribution area. We applied Rabinowitz's approach to 4,472 terrestrial mammals!
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In a time when we're focused on saving as many species as possible from extinction, having effective strategies to identify species' vulnerabilities is a great way to allocate our limited conservation resources.
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On the macroecology of rarity and vulnerability to extinction in terrestrial mammals My new paper with @marciopie and Joaquín Hortal. See the🧵 below for a summary of our work!
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A todos os meus colegas, deixo aqui o meu conselho para nunca utilizarem os serviços da AVIANCA @avianca @aviancaescucha @aviancasam @SACAvianca_br foi uma péssima escolha para mim. Mesmo comprovando motivos de força maior, não aceitaram a minha remarcação da passagem.
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Macroevolution is truly impressive, isn't it? Very proud of our new work!
Sympatry with closely related species constrains speciation... or does it? @marciopie @raqueldivieso & @fercaron report that, for terrestrial vertebrates, probability of speciation is unaffected by number of other species already present in a lineage https://t.co/p1O6pgFLpW
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Clade density and the evolution of diversity-dependent diversification New paper with @raqueldivieso and @fercaron. See the 🧵below for a summary of the main ideas! https://t.co/BuPcJ1HjVx
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It's over!!!! We won!!! Love defeated hate!!! We are back!!! We can dream again!!!!
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Scientists have calculated how many ants are on Earth. The number is so big, it’s “unimaginable.”
washingtonpost.com
The staggering new estimate from scientists brings into relief ants’ astonishing ubiquity at a time of growing concern about insects dying off.
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Enquanto vemos o fogo consumir mais ciência brasileira por falta de investimentos.
Bolsonaro libera mais recursos do orçamento secreto e prejudica a cultura e ciência. Leia mais: https://t.co/2iXRxLUG46
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Today we have one more loss for Brazilian research: the Biology Institute #UNESPRioClaro. We can't just stand here and watch while our historical and scientific background burns to ashes. This has to be a priority for the next government, since we already lost hope in this one.
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Resumindo: Ciro mandou bem, gostei, vou votar no Lula
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The evolution of climatic niche breadth in terrestrial vertebrates New paper with @raqueldivieso and @fercaron. https://t.co/YePCHzhNRb
onlinelibrary.wiley.com
We integrate data on geographical distributions, bioclimatic variables and phylogenetic relationships of 18,404 vertebrates and show that evolutionary rates of upper and lower climatic niche bounda...
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Curious fact: in the first known map in which the word "America" is used (the Waldseemüller map, from 1507), the word is actually placed on Brazil.
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