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Global status, trends, drivers and impacts of non-native plant species in mountain ecosystems

Project description

Tracking the cold frontier

Mountains are no longer the last refuge of untouched nature. Non-native plants are spreading uphill along mountain roads and trails, using these routes to enter habitats once undisturbed. By the time such species are officially labelled invasive, they are often too well established to remove, putting the unique mountain biodiversity at risk. The ERC-funded GloNoMo project aims to design the first global effort to track this spread. From fertile valleys to the upper limits of plant life, researchers are identifying which species are most likely to move from roadsides into natural ecosystems. The project will also deliver a predictive tool that will help design policies to protect the planet’s most fragile ecosystems.

Objective

The current biodiversity crisis is characterized by unprecedented rates of species extinctions, and invasive species are one of the most important drivers of this loss. Yet, many invasive species were only recognized as such when already widely naturalized in a region. A major challenge is thus to identify which non-native species have the potential to spread into natural ecosystems and become invasive before their eradication becomes unfeasible. Mountain ecosystems remained comparatively natural and harbour high levels of unique biodiversity but are disproportionately affected by climate change. So far, they are considered to be only minimally affected by non-native species and are thus the frontiers of their distributions. Yet, many non-native plant species spread upslope along roads, from where they might continue to spread into the surrounding undisturbed habitats. Indeed, non-native plant species have been recorded in mountains on all populated continents, and might hence be substantially more widespread than assumed. However, due to data deficiency, it remains unknown whether non-native plant species already occur in undisturbed habitats, which species have the potential to spread and which drivers besides roads are decisive. Even less is known about their impacts in mountains and thus which species should be classified as invasive, as impacts are least investigated in mountains of all terrestrial habitats. This project will fill these knowledge gaps by integrating field observations, experiments and macroecological analyses based on so far untapped global monitoring data from all populated continents, ranging from valleys to the upper limits of plant life in disturbed to undisturbed habitats. It will conduct the first global quantification of the status, trends, drivers and impacts of non-native plant species in mountains. The outcomes have thus not only a high scientific relevance but are also essential for the conservation of the world’s biodiversity.

Fields of science (EuroSciVoc)

Keywords

Programme(s)

Topic(s)

Funding Scheme

HORIZON-ERC - HORIZON ERC Grants

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Call for proposal

(opens in new window) ERC-2025-STG

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Host institution

UNIVERSITAT BASEL
Net EU contribution
€ 1 499 606,00
Address
PETERSPLATZ 1
4051 Basel
Switzerland
Region
Schweiz/Suisse/Svizzera Nordwestschweiz Basel-Stadt
Activity type
Higher or Secondary Education Establishments
Links
Total cost
€ 1 499 606,00

Beneficiaries (1)