Marion Lestienne

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Verified

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• PhD
• PostDoc Position at Mediterranean Institute of Marine and Terrestrial Biodiversity and Ecology

In the Mediterranean region, Corsica represents one of the most important hotspots of biodiversity, partly due to the high number of endemics species. This region is also one of the most affected by forest fires worldwide. The present vegetation is adapted to a wide range of disturbance regimes, but a change in fire frequency or intensity in the fu...

Currently, indexes from the Fire Weather Index System (FWI) are used to predict the daily fire hazard, but there is no reliable index available in the Mediterranean region to be compared with paleofire records and check for their long-term reliability. In order to assess the past fire hazard and the fire-season length, based on data availability an...

In the Mediterranean basin, Corsica (French island) harbours among the best-preserved Mediterranean forest ecosystems. However, its high biodiversity could be threatened by the climate and disturbance-regime changes due to the global warming. This study aims (i) to estimate the future climate-related fire hazard in Corsica for the current century (...

Aim In recent decades, a surge in the number of significant and uncontrolled wildfires has occurred worldwide. Global warming may amplify this trend and threaten most ecosystems worldwide. Deciduous forests are characterized by high plant diversity, and understanding their long‐term dynamics is crucial to anticipate changes in these ecosystems duri...

Background The global human footprint has fundamentally altered wildfire regimes, creating serious consequences for human health, biodiversity, and climate. However, it remains difficult to project how long-term interactions among land use, management, and climate change will affect fire behavior, representing a key knowledge gap for sustainable ma...

This research breaks new ground by showing that, contrary to generally accepted key role of re in shaping plant communities, herbivores shaped both landscape heterogeneity and re-prone habitats in the Mediterranean area. The interconnected roles of re and herbivores predisposed habitat resilience, highlighting the need to integrate grazing for re r...

Human activity has fundamentally altered wildfire on Earth, creating serious consequences for human health, global biodiversity, and climate change. However, it remains difficult to predict fire interactions with land use, management, and climate change, representing a serious knowledge gap and vulnerability. We used expert assessment to combine op...

Corsican biodiversity is threatened by both climate and disturbance-regime changes. Here, we simulate the future impacts of fires and discuss how integrated paleomodeling approaches can help assess future trends, in the context of the millennial-scale fire variability.

In the Mediterranean basin, Corsica (French island) harbours among the best-preserved Mediterranean forest ecosystems and its high biodiversity could be threatened by the climate and disturbance-regime changes due to the global warming. This study aims i) to estimate the future climate-related fire hazard in Corsica for the current century (2020–21...

In the Mediterranean basin, Corsica (French island) harbours among the best-preserved Mediterranean forest ecosystems. However, its high biodiversity could be threatened by the climate and disturbance-regime changes due to the global warming. This study aims (i) to estimate the future climate-related fire hazard in Corsica for the current century (...

This Policy Brief results from a workshop held at Royal Holloway University of London and funded by PAGES, the Quaternary Research Association (QRA), and Chrono-environnement CNRS/Université de Franche-Comté. The workshop gathered 30 international participants from 15 countries to discuss ongoing challenges on biodiversity conservation and fire pol...

Au sein du Bassin Méditerranéen, la Corse abrite les écosystèmes parmi les mieux préservés en termes de richesse d’habitats et de type de végétation. C’est également la région française la plus touchée par les feux de forêt. Ces dernières années la déprise pastorale et le réchauffement climatique ont très fortement augmenté la probabilité d'occurre...

https://eos.org/meeting-reports/how-paleofire-research-can-better-inform-ecosystem-management

La quantification et l’identification de charbons de bois échantillonnés le long de trois transects ont permis de mettre en évidence des variations spatiales dans la production de charbons produits lors des feux de forêts. Les transects relient deux milieux : une pinède composée principalement de pins gris (Pinus banksiana) et d’Ericaceae, et une p...

Sujet : Réponses des végétaux aux changements globaux : implications pours les risques d’inondations futures (Rapport de stage de master 1, réalisé en Irlande au sein de l'équipe "UCD Plant Palaeoecology and Palaeobiology Group".)