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The impact of artificial light at night on an owl-malaria-vector system.

Project description

Artificial light at night and its impacts on malaria transmission in owls

As cities expand, sensory pollutants such as artificial lighting increasingly disrupt ecological relationships. The connection with vector-borne disease in night-active wildlife has received little attention. With the support of the Marie Skłodowska-Curie Actions programme, the UrbanLightOwl project aims to determine how nocturnal light exposure shapes interactions between owls, avian blood malaria parasites and the insects that transmit them. Leveraging a network of 200 nest boxes in various light intensities, the project will deploy observational methods alongside molecular techniques to study immune and physiological markers. Studies will shed light on the consequences of artificial light at night for owl health and reproduction and on vector-borne disease dynamics in nocturnal birds.

Objective

Urbanisation is a major driver of biodiversity loss, often by altering species interactions, including those between parasites and hosts. Birds, avian malaria parasites, and their insect vectors form a key system for studying these effects. Artificial light at night (ALAN) is recognised as an important urban sensory pollutant that significantly affects wildlife behaviour and physiology. Previous studies in diurnal birds have shown that ALAN influences avian health, infection risk, parasite load, and vector activity. However, in nocturnal species such as owls (potentially more exposed to both ALAN and malaria vectors), the role of ALAN in modulating vector-borne disease transmission remains poorly studied. This project aims to assess the impact of ALAN on host-parasite-vector interactions using the Tawny owl (Strix aluco), avian malaria parasites (Plasmodium and the related genera Haemoproteus and Leucocytozoon), and their insect vectors as a model system. Leveraging a network of 200 nest boxes across an urbanization gradient in Glasgow, I will integrate correlational and experimental approaches to 1) quantify the effect of ALAN on the health, immunocompetence and reproductive success of owls, 2) identify how ALAN modifies vector-borne pathogen infection dynamics and its synergistic impact on owls, and 3) assess the influence of ALAN on vector ecology and vector-host pathogen transmission. I will combine molecular techniques for parasite identification with physiological and immune biomarkers for health and immunocompetence assessment. This pioneering project will enhance our understanding of wildlife disease ecology in an increasingly light-polluted world, providing crucial insights into how light pollution may alter vector-borne disease dynamics in nocturnal birds, with broad implications for disease management under a One Health framework and for biodiversity conservation in urban environments.

Fields of science (EuroSciVoc)

Keywords

Programme(s)

Topic(s)

Funding Scheme

HORIZON-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships

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Call for proposal

(opens in new window) HORIZON-MSCA-2025-PF

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Coordinator

UNIVERSITY OF GLASGOW
Net EU contribution
€ 260 347,92
Address
UNIVERSITY AVENUE
G12 8QQ Glasgow
United Kingdom
Region
Scotland West Central Scotland Glasgow City
Activity type
Higher or Secondary Education Establishments
Links
Total cost
No data