International Mobility Research Fellowship Program for Latin American and Caribbean early-career scientists on past global changes







Summary of results IAI-PAGES fellows researching past global changes in Latin America and Caribbean 2021-2022

IAI-PAGES call 2022


IAI-PAGES “International mobility research Fellowship Program for Latin American and Caribbean early-career scientists on past global changes.” The program is part of a collaborative agreement signed on April 21, 2021 between the IAI Directorate and the Past Global Changes (PAGES) Project. The IAI-PAGES International mobility research fellowship aims to develop collaborative research and promote paleoscience networks in Latin America and the Caribbean. Funded by PAGES and implemented by the IAI, the initiative supports the costs associated with international travel and living expenses while abroad. The results of young scientists and six countries from the 2021-2022 cohort included cross-disciplinary collaboration and strengthening research links across the Americas. The publication of the articles prepared by the fellows The publication of the articles prepared by the fellows will be available at the PAGES Magazine in June 2023.

Marcos Echeverría (Argentina)

This project allowed Dr. Echeverría to improve new insights into sedimentary DNA analysis (sedaDNA) from Universidad Nacional de Mar del Plata (Argentina) by the coordination of Dra. Moguel, who has an extensive experience in exploring sedaDNA, aDNA and working in metagenomic studies, at UNAM-Juriquilla (Mexico). Palaeoecological studies in Latin-America have provided information about changes in vegetation and climate during the late Quaternary at various spatial and temporal resolutions. Pollen analysis has been the technique commonly used to reconstruct the history of vegetation in Latin-America and to infer the palaeobotanical, palaeoecological and palaeoclimatic history of Quaternary sedimentary sequences. This study of joint research contributes to an overall effort to intensify the collaboration between Argentinian and Mexican researchers in the field of palaeoenvironmental research, with the aim of extending this novel sedaDNA network over Latin America. This opportunity highlights the necessity to join efforts between Latin-American researchers and continue doing high-impact science in multidisciplinary and multi-country projects.


Matías Baranzelli (Argentina)

Combining the bioinformatic and conceptual capabilities of both institutions, Universidad Nacional de Córdoba (Argentina) and the Instituto de Biología of Universidad Nacional Autónoma de México (UNAM) it is expected to obtain relevant models to understand the effect of past climate changes on current patterns of global biodiversity, considering all its dimensions. The main goal was evaluating the relationship between phylogenetic diversity and past climate change at different temporal and spatial scales also estimated phylogenetic diversity for three groups of terrestrial vertebrates across the globe (mammals, birds, and amphibians) (results not shown). The main results of these analyzes were reported at the VII Mexican Congress of Ecology during the IAI-PAGES fellowship.


Mónica Vicente (Bolivia)

Bolivia has the highest proportion of tropical dry forests in South America; however, there is strong pressure on forest areas due to anthropogenic activities. The highest deforestation rates are found in the lowlands where most of the tropical dry forests are located. This study was conducted in the municipality of Concepción, department of Santa Cruz, Bolivia in sites under forest management called Mercedes In coordination with Universidad Autónoma Gabriel Rene Moreno, Santa Cruz (Bolivia) and Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales/Consejo Nacional de Investigaciones Científicas y Técnicas, Mendoza (Argentina).



Paul Szejner (Guatemala)

The information and data generated from this collaboration address topics related to the emergence of climate change effects on forested regions in South America. There are currently very few studies in isotope dendrochronology in the area. However, developing more records will enable us to interpret the ecophysiological information recorded in the tree rings, information that the ring width measurements alone cannot offer. Hoping to advance isotope dendrochronology in Latin America. This is because its objective was to establish and strengthen a collaborative network between tree-ring research groups from Mexico and Chile on studies of global change and paleoclimate. This collaboration brings together the Stable Isotope lab at the Laboratorio Nacional de Geoquímica y Mineralogía at the Geology Institute from the Universidad Nacional Autonoma de Mexico UNAM, the leading climate change Research Center, the Institute of Ecology and Biodiversity, the Universidad Austral and Universidad de Chile.




Patricia Piacsek (Brazil)

The objective of the research was to optimize the reconstruction of precipitation anomalies in central Brazil during the last thousand years based on monitoring samples in a well-ventilated cave. This project aims to expand our understanding of climatic controls on the composition of uranium isotopes in dripping water from caves and speleothems. The results show that U concentration in cave seepage solution is strongly tied to changes in water recharge and suggest that U/Ca values in speleothems from continuous drip are excellent proxies for rainfall variability. However, the competing process related to water residence time and prior-calcite precipitation may lead to opposite behaviors between the dripping in response to changes in hydrology. The monitoring results will support the reconstruction of the hydrological variability of the last centuries for the São Francisco River Basin. This research had the participation of Centro de Geociencias, Universidad Nacional Autónoma de México (UNAM), México, Departamento de Geoquímica Ambiental, Fluminense Federal University (UFF), and Departamento de Química Analítica, University of Rio de Janeiro (UFRJ) from Brazil.

Please find more information about the fellows and the program here.

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