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A micro-scale perspective on alpine floras under climate change. Linking observations and models to improve our understanding of the future of European high mountain plants

Project description

Researching the effect of microclimatic refugia on Alpine flora biodiversity

The role of microclimatic refugia in moderating the response of biodiversity to climate change is under intense study today. It implies that the real impact of global warming can vary, depending on ecosystem or region specifics. Concerning the alpine flora, however, there are two opposing possibilities today: a massive loss of cold-adapted plants due to the increased heat or low consequences thanks to the microclimatic refugia effect in the topographically complex alpine terrain. The EU-funded MICROCLIM project will evaluate the evidence for these different probabilities by linking their aspects in a monitoring and predictive modelling framework of alpine plant distribution. This innovative framework will be developed and employed to evaluate the proposed rescue effect of microclimatic variation in alpine terrains.

Objective

The diversity of organisms, one of the most striking features of life on Earth, is under threat, and climate change may become a major driver of the biodiversity crisis in the decades to come. However, climate effects on species will vary across ecosystems and regions. The fate of the rich and peculiar alpine flora in a warming world is particularly contentious. While some researchers expect massive loss of cold-adapted plants because they have little options to escape the heat (mountaintop extinction), others assume low sensitivity of high-mountain floras due to widespread microclimatic refugia in the topographically complex alpine terrain.
MICROCLIM aims to assess the evidence for these contradictory expectations by linking so far separated research strands of monitoring and predictive modelling of alpine plant distribution. In particular, we will, first, provide a comprehensive evaluation of standard modelling approaches by comparing their predictions with Europe-wide monitoring of mountain top floras and analyse the role of spatial scale for possible mismatches between models and observations of change. Second, we will develop a novel modelling framework that simulates the simultaneous range dynamics of many interacting species. We will parameterise this model by means of experiments and observational data and evaluate it against monitoring data on an exemplary mountain. We will then apply the model to simulate the dynamics of the flora of this mountain over the 21st century at a very fine spatial resolution to evaluate the proposed rescue effect of microclimatic variation in alpine terrain. We will finally generalize the results achieved in these dynamic simulations to all summits included in the European mountaintop monitoring network.
The results of MICROCLIM will help understanding how threatened the unique alpine flora of Europe actually is in a warming world and whether mitigating conservation measures will be required to secure its long-term survival.

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Programme(s)

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Topic(s)

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Funding Scheme

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ERC-ADG - Advanced Grant

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Call for proposal

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(opens in new window) ERC-2019-ADG

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Host institution

UNIVERSITAT WIEN
Net EU contribution

Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.

€ 2 002 653,75
Address
UNIVERSITATSRING 1
1010 WIEN
Austria

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Region
Ostösterreich Wien Wien
Activity type
Higher or Secondary Education Establishments
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Total cost

The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.

€ 2 002 653,75

Beneficiaries (3)

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