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Unravelling early dinosaur success through fossil digestive contents and trophic dynamics

Project description

What dinosaurs ate, and why it mattered

The rise of dinosaurs stretched over 30 million years amid shifting climates, collapsing ecosystems, and fierce competition. The ecological strategies that allowed dinosaurs to outlast rivals remain elusive. With this in mind, the ERC-funded DINO-DIGEST project aims to study fossilised digestive remains to learn about the ‘who-ate-whom’ dynamics. By analysing bromalites with high-resolution imaging and biomolecular techniques, researchers are reconstructing ancient food webs and predator-prey relationships. The project traces how early dinosaur diets and ecological roles evolved. The result is a new, ecosystem-level view of dinosaur success, one that may also shed light on how life responds to environmental upheaval, past and present.

Objective

The early radiation of dinosaurs, spanning approximately 30 million years from their emergence to dominance of terrestrial ecosystems, remains a complex and poorly understood evolutionary event. While previous studies have focused mainly on phylogenetic aspects, less attention has been given to the ecological dynamics that drove their success. This project aims to fill that gap by employing a novel, multidisciplinary approach to investigate the early evolution of dinosaurs through the lens of their dietary and trophic interactions. By analysing bromalites (fossil digestive remains) using cutting-edge methods like synchrotron microtomography, I will infer the food webs in which early dinosaurs participated, shedding light on how their diets and ecological roles evolved. Comparative analysis across Pangean regions and different time periods will enable the construction of a comprehensive palaeoecological model, highlighting key factors in their rise to dominance. Furthermore, I will apply biomolecular techniques adapted from archaeological geochemistry to identify preserved organics within these fossils, providing unprecedented insights into predator-prey relationships. These findings will be integrated into a holistic eco-evolutionary model, offering new perspectives on dinosaur success with broader implications for understanding mass extinction dynamics and current biodiversity crises. To achieve this, I will collaborate with leading experts and engage a team of PhD students and postdocs, ensuring the project’s multidisciplinary goals are met.

Fields of science (EuroSciVoc)

Keywords

Programme(s)

Topic(s)

Funding Scheme

HORIZON-ERC - HORIZON ERC Grants

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Call for proposal

(opens in new window) ERC-2025-STG

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Host institution

UPPSALA UNIVERSITET
Net EU contribution
€ 1 500 000,00
Address
VON KRAEMERS ALLE 4
751 05 Uppsala
Sweden
Region
Östra Sverige Östra Mellansverige Uppsala län
Activity type
Higher or Secondary Education Establishments
Links
Total cost
€ 1 500 000,00

Beneficiaries (1)