Interdisciplinary Graduate Training to Understand and Inform Decision Processes Using Advanced Spatial Data Analysis and Visualization
Liliana M. Dávalos
Professor of Conservation Biology
I’m interested in how biology and the environment shape biodiversity in time and space.
- Global Union of Bat Diversity Networks (GBatNet)
- Bat goblet cells as immuno-hotspots for infection of coronavirus
- Inter-Species Modeling for Spillback/Spillover Avoidance
- The death and life of biodiversity: modeling extinction and resilience on islands
- Chance or necessity? Adaptive vs. non adaptive evolution in plant-frugivore interactions
Horizontal transfer of transposable elements is an important mechanism contributing to genetic diversity and innovation. Bats (order Chiroptera) have repeatedly been shown to experience horizontal transfer of transposable elements at what appears to be a high rate compared to other mammals. We investigated the occurrence of horizontally transferred DNA transposons involving bats. We found over 200 putative horizontally transferred elements within bats; sixteen transposons were shared across distantly related mammalian clades and two other elements were shared with a fish and two lizard species. Our results indicate that bats are a hotspot for horizontal transfer of DNA transposons. These events broadly coincide with the diversification of several bat clades, supporting the hypothesis that DNA transposon invasions have contributed to genetic diversification of bats.
Nicole S. Paulat, Jessica M. Storer, Diana D. Moreno-Santillán, Austin B. Osmanski, Kevin A.M. Sullivan, Jenna R Grimshaw, Jennifer Korstian, Michaela Halsey, Carlos Garcia, Claudia Crookshanks, Jaquelyn Roberts, Arian F.A. Smit, Robert Hubley, Jeb Rosen, Emma C. Teeling, Sonja C. Vernes, Eugene Myers, Martin Pippel, Thomas Brown, Michael Hiller, Zoonomia Consortium, Danny Rojas, Liliana M. Dávalos, Kerstin Lindblad-Toh, Elinor K. Karlsson, David A. Ray
Madagascar’s biota has suffered recent extinctions and many of its unique species are threatened. However, the severity of recent and potential extinctions in a global evolutionary context is unquantified. We compiled a phylogenetic dataset for the complete non-marine mammalian biota of Madagascar and estimated natural rates of extinction, colonization, and speciation. We measured how long it would take to restore Madagascar’s mammalian biodiversity under these rates, the “evolutionary return time” (ERT). We show the loss of currently threatened Malagasy mammal species would have a much deeper long-term impact than all the extinctions since human arrival to the island. A return from current to pre-human diversity would take 1.6 million years (Myr) for bats, and 2.9 Myr for non-volant mammals. However, if species currently classified as threatened go extinct, the ERT rises to 2.9 Myr for bats and 23 Myr for non-volant mammals. The evolutionary history currently under threat on Madagascar is much greater than on other islands, suggesting an extinction wave with deep evolutionary impact is imminent unless immediate conservation actions are taken.
A de novo assessment of TE content in 248 mammals finds informative trends in mammalian genome evolution.
Austin B. Osmanski, Nicole S. Paulat, Jenny Korstian, Jenna R. Grimshaw, Michaela Halsey, Kevin A.M. Sullivan, Diana D. Moreno-Santillán, Claudia Crookshanks, Jacquelyn Roberts, Carlos Garcia, Matthew G. Johnson, Llewellyn D. Densmore, Richard D. Stevens, Zoonomia Consortium, Jeb Rosen, Jessica M. Storer, Robert Hubley, Arian F.A. Smit, Liliana M. Dávalos, Kerstin Lindblad-Toh, Elinor K. Karlsson, David A. Ray
Actions needed to achieve ambitious objectives of net gains in natural ecosystem area by 2030 and beyond
In late 2021, experts from around the world were approached to provide input to the post-2020 Global Biodiversity Framework (GBF)—the new framework under the Convention on Biological Diversity (CBD) that will guide interventions to conserve biodiversity and ecosystem services for the next three decades.
Setting ambitious international restoration objectives for terrestrial ecosystems for 2030 and beyond
The post-2020 global biodiversity framework (GBF) is the new framework under the Convention on Biological Diversity (CBD) that will guide interventions to conserve biodiversity and ecosystem services for the next 3 decades. In this article, we discuss the science behind the GBF related to terrestrial ecosystem restoration and conclude by commenting on the state of play of negotiations and what might be expected at the upcoming CBD COP-15 in December 2022.
Paul Leadley, Emma Archer, Barbara Bendandi, Jeannine Cavender-Bares, Liliana M. Dávalos, Fabrice DeClerck, George D. Gann, Emily K. Gonzales, Cornelia B. Krug, Jean Paul Metzger, Emily Nicholson, Ülo Niinemets, David Obura, Bernardo Strassburg, Bob Tansey, Peter H. Verburg, Adriana Vidal, James E. M. Watson, Stephen Woodley, Moriaki Yasuhara
Understanding variation of traits within and among species through time and across space is central to many questions in biology. Many …
Meghan A. Balk, John Deck, Kitty F. Emery, Ramona L. Walls, Dana Reuter, Raphael LaFrance, Joaquín Arroyo-Cabrales, Paul Barrett, Jessica Blois, Arianne Boileau, Laura Brenskelle, Nicole R. Cannarozzi, J. Alberto Cruz, Liliana M. Dávalos, Noé U. de la Sancha, Prasiddhi Gyawali, Maggie M. Hantak, Samantha Hopkins, Brooks Kohli, Jessica N. King, Michelle S. Koo, A. Michelle Lawing, Helena Machado, Samantha M. McCrane, Bryan McLean, Michèle E. Morgan, Suzanne Pilaar Birch, Denne Reed, Elizabeth J. Reitz, Neeka Sewnath, Nathan S. Upham, Amelia Villaseñor, Laurel R. Yohe, Edward B. Davis, Robert P. Guralnick
Governments are negotiating actions intended to halt biodiversity loss and put it on a path to recovery by 2050. Here, we show that bending the curve for biodiversity is possible, but only if actions are implemented urgently and in an integrated manner. Connecting these actions to biodiversity outcomes and tracking prog- ress remain a challenge.
Paul Leadley, Cornelia B. Krug, David Obura, Lynne Shannon, Andrew Gonzalez, Maria Cecilia Londoño-Murcia, Adriana Radulovici, Katie Millette, Aleksandar Rankovic, Emma Archer, Frederick Ato Armah, Nic Bax, Anchor Kutchhi, Mark John Costello, Liliana M. Dávalos, Fabio de Oliveira Roque, Fabrice DeClerck, Laura Dee, Franz Essl, Simon Ferrier, Shizuka Hashimoto, Chinwe Ifejika Speranza, Forest Isbell, Marcel Kok, Shane Lavery, David Leclère, Rafael Loyola, Shuaib Lwasa, Melodie McGeoch, Akira S. Mori, Emily Nicholson, Jose Manuel Ochoa, Kinga Öllerer, Stephen Polasky, Carlo Rondinini, Odirilwe Selomane, Bernardo Strassburg, Rashid Sumaila, Derek P. Tittensor, Eren Turak, Luis Urbina, Maria Vallejos, Ella Vázquez-Domínguez, Peter Verburg, Piero Visconti, Stephen Woodley, Sean Jellesmark
Using Case Studies to Improve the Critical Thinking Skills of Undergraduate Conservation Biology Students
Critical thinking (CT) underpins the analytical and systems-thinking capacities needed for effective conservation in the 21st century …
Population growth with weak economic development can promote tropical deforestation, but government infrastructure investment can also …
Fire plays a dominant role in deforestation, particularly in the tropics, but the relative extent of transformations and influence of …
No peace for the forest: Rapid, widespread land changes in the Andes-Amazon region following the Colombian civil war
Negative environmental impacts of violent conflict have been observed worldwide. Whether or not active global conflicts are declining …
Where the wild things were: intrinsic and extrinsic extinction predictors in the world's most depleted mammal fauna
Preventing extinctions requires understanding macroecological patterns of vulnerability or persistence. However, correlates of risk can …
Journal letter to the editor. Despite international conservation efforts 1, deforestation in the Amazon continues apace. While the …
Colombia is the largest supplier of coca leaf in the world, and fields smaller than one-hectare account for more than 60 per cent of …
Armed conflict, and its end, can have powerful effects on natural resources, but the influence of war and peace on highly biodiverse …
This study examines determinants of leftist violence at the municipal level in Colombia from 2000 through 2010. A multilevel GLMM model …
Generalized linear models are often used to identify covariates of landscape processes and to model land‐use change. Generalized linear …