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Modelling and mapping the potential spread and impact of invasive marine species for Ireland

People: Morane Clavel-Henry, Rebecca Giesler, Tasman Crowe, Jon Yearsley

Pacific oysters This project studies the spread of two target marine invasive species along Ireland's coastline. The project is a combination of larval biophysical modelling and the marine ecology of invasive species.

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Biodiversity, resilience and food security: understanding the role of biodiversity in maintaining food production

People: Hannah White, Lupe Leon Sanchez, Dina Sadykova, Willson Gaul, Mark Emmerson, Tomas Murray, Tim Benton, Jon Yearsley

Irish grassland This project studies the resilience of grassland production systems and their capacity to resist, recover and adapt to future environmental change, whilst sustainably producing food for a growing global population.

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The phenology of perennial ryegrass and its potential contribution to grassland carbon sequestration

People: Postdoc (position available), Rainer Melzer, Hannah White, Charilaos Yiotis, Jon Yearsley

Irish grassland This project studies the phenology of perenial rye grass pastures in Ireland (primarily the length of the growing season) and the variation in phenology between different varieties of rye grass. Increasing the growing season of perennial rye grass pasture has the potential to increase the ability of Irish grasslands to sequester carbon.

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Deep-sea larval dispersal and ecosystem connectivity

People: Julia Sigwart, Cindy van Dover, Jens Carlsson, Jon Yearsley

Deep-sea simulated dispersal What is the dispersal capacity of marine larvae in the deep-sea? How are deep-sea ecosystems colonised and from where? We are using oceanographic and genetic data to address such questions.

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Population Genetics of Collective Dispersal

People: Thomas Broquet, Frederique Viard, Glenn Yannic, Jon Yearsley

dog whelk We are developing population genetic theory that describes collective dispersal, where multiple individuals show similar dispersal pathways. This type of dispersal is seen for marine invertebrate larvae, wind dispersed organisms, and is also applicable to dispersal at a species' range margin.

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Modelling Airborne Spread of Ash Dieback Disease

People: Paul Burns, Forest Service, Chris Gilligan, Matt Castle, Maarten Nieuwenhuis, Jon Yearsley

This project used a Lagrangian particle tracking model to assess the dispersal potential of ash dieback disease across Ireland.

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Smouldering Fire in Peatlands

People: Nuria Prat, Claire Belcher, Rory Hadden, Guillermo Rein, Jon Yearsley

Ignited peat in a burn box We study the propagation of smouldering fire through organic soils (principally peat) using a combination of controlled laboratory experiments and models of smouldering fire.

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Range Expansion of the Greater White-Toothed Shrew in Ireland

People: Allan McDevitt, Jon Yearsley

Small mammal trapping The greater white-toothed shrew (Crocidura russula) was first discovered in Ireland in 2007. Ever since it has been gradually expanding its distribution. The study uses the greater white-toothed shrew as a model species to study evolutionary processes at an expaning range margin. We are also collaborating with colleagues in Queen's University Belfast (Ian Montgomery, Neil Reid, David Tosh) to quantify the rate at which this shrew is spreading across Ireland and its ecological impact.

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