Glaciers retreat, frogs advance: rapid adaptation, genetic drift, and infection dynamics during the climate-driven range expansion of an Andean frog

All over the world, species are shifting their geographic distributions in response to climate change. We know from studies of other range expansion and contraction scenarios—like those driven by species invasions or by the end of the last Ice Age—that they affect ecological interactions and the evolutionary trajectories of species. The impacts of range expansions and contractions driven specifically by contemporary climate change, though, are still profoundly uncertain. Understanding these ecological and evolutionary impacts will be important for biodiversity conservation and management under rapid global change. To address this critical knowledge gap, I combine fieldwork, molecular work, and analyses of population genetics and disease ecology over the course of three dissertation chapters. My research illuminates how the whole genome diversity, genetic adaptation, and infection dynamics of a host species were affected by its climate-driven range expansion. Specifically, my dissertation examines the expansion of the Marbled four-eyed frog (Pleurodema marmoratum) into upslope, mountain pass habitat that deglaciated over the last 150 years in the Cordillera Vilcanota, Peru

Effects of decreased anthropogenic food availability on an opportunistic gull: evidence for a size‐mediated response in breeding females

Depto. de Biodiversidad, Ecología y EvoluciónFac. de Ciencias BiológicasTRUEpu

Elevational range extension of the marsupial frog, Gastrotheca marsupiata (Duméril & Bibron, 1841) (Anura, Hemiphractidae), from southern Peru

We extend by 300 m the known upper elevational range of the Marsupial frog, Gastrotheca marsupiata (Dumeril & Bibron, 1841), to 4,660 m a.s.l. This record makes G. marsupiata the highest occurring frog in its genus, which is already characterized by high-elevation distributions. We suggest that this record may represent a case of climate-induced range shifting and discuss this record in the context of our still limited understanding of how amphibian distributions are being affected by climate change

Overcoming Language Barriers in Academia: Machine Translation Tools and a Vision for a Multilingual Future.

Having a central scientific language remains crucial for advancing and globally sharing science. Nevertheless, maintaining one dominant language also creates barriers to accessing scientific careers and knowledge. From an interdisciplinary perspective, we describe how, when, and why to make scientific literature more readily available in multiple languages through the practice of translation. We broadly review the advantages and limitations of neural machine translation systems and propose that translation can serve as both a short- and a long-term solution for making science more resilient, accessible, globally representative, and impactful beyond the academy. We outline actions that individuals and institutions can take to support multilingual science and scientists, including structural changes that encourage and value translating scientific literature. In the long term, improvements to machine translation technologies and collective efforts to change academic norms can transform a monolingual scientific hub into a multilingual scientific network. Translations are available in the supplemental material