Cardiff: Mathematics Helps Bat Conservation and Industry


Recent advancements in mathematical modelling are revolutionising how we track bat movements and locate their roosts, providing valuable insights for industries and conservationists alike. Our research combines mathematical algorithms with acoustic data, offering a breakthrough in reducing the labour-intensive search for bat habitats.

Picture of a ringed bat
When Bats are found by researchers, they’re tagged with a little ring, which allows their development to be tracked over multiple years. Photo taken by Lorraine Woolley (no reuse permitted).

Why Bats Matter

Bats are crucial to ecosystems, acting as natural pest controllers, pollinators, and seed dispersers. However, their populations are under threat from habitat loss, climate change, and light pollution. For industries such as agriculture and construction, understanding bat ecology can ensure that operations are environmentally sustainable and in compliance with regulations. Protecting bat habitats is not just an ecological necessity but also a legal and ethical responsibility for businesses involved in land development and planning.

Mathematics Meets Conservation

Our team developed a new algorithm that drastically reduces the area required for searching bat roosts by combining previous models of bat flight behaviour with acoustic data. Traditional methods like radio-tracking are labour-intensive and expensive, often requiring experts to capture bats and follow their movements. With our mathematical model, the search area can be reduced by up to 99%, saving both time and resources.

The benefits of this innovation extend to various sectors. In agriculture, understanding bat foraging patterns can lead to better pest management strategies. For urban planning and construction, identifying potential bat roosts early can streamline development processes, reducing the risk of legal complications due to habitat destruction. Our research also supports conservation efforts by creating predictive tools that allow authorities to plan around known bat activity, thus balancing economic growth with environmental stewardship.

Prediction map of bat roost location. The more yellow a region, the more likely the region is to contain the roost. The x points are the detectors, the circle is the actual roost, and the diamond is our single best point prediction.
Prediction map of bat roost location. The more yellow a region, the more likely the region is to contain the roost. The x points are the detectors, the circle is the actual roost, and the diamond is our single best point prediction. Image created by Thomas E. Woolley

Predicting Bat Flightlines with the Bat Flight Lines App

Another innovation is our Bat Flighlines App, which predicts bat flight paths based on land usage. This tool allows users to model changes in bat flightlines due to new developments such as roads, buildings, and artificial lighting. This valuable feature provides industries with critical data to support building applications, demonstrating how construction projects may affect bat populations and enabling adjustments to minimise impact.

Leapfrogging Bats: A New Discovery

In another study, we uncovered how bats use a leapfrogging mechanism to navigate back to their roosts after foraging. This insight could simplify tracking bat movements and identifying their core habitats, further reducing the need for extensive radio-tracking surveys.

Industries like renewable energy, particularly wind farms, stand to gain from this research. With bats being vulnerable to wind turbines, having precise data on their movements can help mitigate risks, making installations more bat-friendly while maintaining efficiency.

The Future of Bat Conservation and Industry

These findings are just the beginning. By harnessing mathematical models and tools like the Bat Flightlines App, industries can make more informed decisions that support both economic activity and environmental sustainability. As businesses become increasingly accountable for their ecological footprint, this research offers practical tools for balancing progress with conservation.