Contacts

CANTU SALAZAR Lisette

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VRAY Sarah

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Financial supports

MONIPOL

Wild pollinator monitoring programme Luxembourg

Inspiration

Pollinating insects – such as wild bees, hoverflies, beetles, and many other species – play a crucial role in maintaining ecosystems and supporting human well-being. They contribute to plant reproduction, food production, and overall biodiversity.

However, there is growing evidence that wild pollinators are declining at both regional and global scales, largely due to human activities such as land-use change, pollution, climate change, and habitat loss. Despite their importance, significant knowledge gaps remain regarding their status, long-term trends, and the drivers of their decline.

Addressing these gaps has become a priority for biodiversity conservation, with multiple national, European, and international initiatives calling for improved monitoring systems. Luxembourg is actively committed to protecting pollinators and their habitats, but effective action requires robust, long-term data to understand how populations change and how environmental pressures affect them.

Innovation

The MONIPOL project responds to this need by establishing a standardized, long-term, and nationwide monitoring scheme for wild pollinating insects in Luxembourg. Along with the Luxembourg Butterfly Monitoring Scheme (LUBMS), MONIPOL is part of the Luxembourg Pollinator Monitoring Scheme (LUPoMS) coordinated by LIST.

Each year, from April to September, scientists conduct systematic surveys across a network of sites distributed throughout the country. These locations are selected to represent a wide range of environmental conditions, ensuring that the data collected reflect national-scale patterns.

Monitoring is based on two complementary and standardized methods:

  • Transect walks, where observers follow fixed routes to record and count visible pollinators, with a focus on bumblebees
  • Pan trapping, where coloured bowls are used to passively collect a broad diversity of insects over a 24-hour period. All collected specimens are identified and processed in the laboratory, generating high-quality datasets that support detailed ecological analyses and long-term comparisons

These approaches provide both targeted and comprehensive insights into pollinator communities. Field efforts are strengthened through the involvement of citizen scientists, increasing data collection capacity while promoting public engagement.

Impact

By implementing a coordinated, country-wide monitoring program, MONIPOL establishes a critical foundation for understanding and protecting pollinators in Luxembourg.

Scientifically, the project generates standardized datasets that enable the analysis of long-term population trends, species distributions, and community dynamics. These data are essential for identifying drivers of change and for advancing research on biodiversity and ecosystem services such as pollination.

At the policy level, MONIPOL directly supports national and European conservation strategies. Its standardized methodology aligns with broader initiatives to harmonize pollinator monitoring across countries, contributing to comparable indicators and supporting reporting obligations. This strengthens Luxembourg’s capacity to contribute to international biodiversity assessments and to track progress toward conservation targets.

From a societal perspective, the project highlights the importance of pollinators for food security, ecosystem stability, and human well-being. By involving citizen scientists, it fosters public awareness, environmental literacy, and active participation in biodiversity conservation.

Ultimately, the project supports a transition toward evidence-based environmental management, where high-quality data, scientific expertise, and public engagement come together to safeguard pollinators and the ecosystems they sustain.

Partners

People

CANTU SALAZAR Lisette

Biodiversity Monitoring and Assessment

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CHARLES Cyrille

Biodiversity Monitoring and Assessment

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DEHU Charlotte

Biodiversity Monitoring and Assessment

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DE SLOOVER Marc

Biodiversity Monitoring and Assessment

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L'HOSTE Lionel

Biodiversity Monitoring and Assessment

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MARTIN Youri

Biodiversity Monitoring and Assessment

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MESTDAGH Xavier

MESTDAGH Xavier

Biodiversity Monitoring and Assessment

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TITEUX Nicolas

Biodiversity Monitoring and Assessment

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VRAY Sarah

Biodiversity Monitoring and Assessment

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Publications

National records of 3000 European bee and hoverfly species: A contribution to pollinator conservation

Reverté S., Miličić M., Ačanski J., Andrić A., Aracil A., Aubert M., Balzan M.V., Bartomeus I., Bogusch P., Bosch J., Budrys E., Cantú-Salazar L., Castro S., Cornalba M., Demeter I., Devalez J., Dorchin A., Dufrêne E., Đorđević A., Fisler L., Fitzpatrick Ú., Flaminio S., Földesi R., Gaspar H., Genoud D., Geslin B., Ghisbain G., Gilbert F., Gogala A., Grković A., Heimburg H., Herrera-Mesías F., Jacobs M., Janković Milosavljević M., Janssen K., Jensen J.K., Ješovnik A., Józan Z., Karlis G., Kasparek M., Kovács-Hostyánszki A., Kuhlmann M., Le Divelec R., Leclercq N., Likov L., Litman J., Ljubomirov T., Madsen H.B., Marshall L., Mazánek L., Milić D., Mignot M., Mudri-Stojnić S., Müller A., Nedeljković Z., Nikolić P., Ødegaard F., Patiny S., Paukkunen J., Pennards G., Pérez-Bañón C., Perrard A., Petanidou T., Pettersson L.B., Popov G., Popov S., Praz C., Prokhorov A., Quaranta M., Radchenko V.G., Radenković S., Rasmont P., Rasmussen C., Reemer M., Ricarte A., Risch S., Roberts S.P.M., Rojo S., Ropars L., Rosa P., Ruiz C., Sentil A., Shparyk V., Smit J., Sommaggio D., Soon V., Ssymank A., Ståhls G., Stavrinides M., Straka J., Tarlap P., Terzo M., Tomozii B., Tot T., van der Ent L.J., van Steenis J., van Steenis W., Varnava A.I., Vereecken N.J., Veselić S.

Insect Conservation and Diversity, vol. 16, n° 6, pp. 758-775, 2023

Associated projects

BIODIV
National Biodiversity Monitoring Programme in Luxembourg
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