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Biogeochemical impact of land-use intensification and its legacy effects on tropical forest recovery through cation limitation

Objective

Biogeochemistry directs ecological recovery of secondary forests, and thereby impacts the rate of carbon accumulation along succession. Recent observations suggest that cations (calcium, magnesium, potassium) limit forest productivity in the tropics, although research to date has largely focused on nitrogen and phosphorus. Moreover, the intensification of land-use change impacts cation availability at the onset of succession, likely further constraining regrowth rates of secondary forests. FORECAT (legacy effects on tropical FOrest REcovery through CATion limitation) strives to understand the fundamental role of cations in limiting productivity of secondary forests in the tropics, and to quantify how land-use change and its intensification affect cation limitation on forest recovery rates. FORECAT will integrate observational, experimental and modelling approaches. This work will be conducted along tropical forest successional gradients and land-use intensity gradients, to disentangle how the legacy land-use history affects recovery trajectories through cation cycling. Additionally, a large scale nutrient addition experiment in different-aged forest will further uncover the role of changed nutrient availability along succession. The field-based data will constitute the most detailed nutrient mapping – including cations – of secondary tropical forests to date. These data will then be integrated in a state-of-the-art biogeochemical model to provide projections of long-term effects of different land-use change scenarios on forest recovery in the tropics. Due to the sheer magnitude of projected land-use intensification in the tropics, cation limitation on the carbon uptake rate of secondary forest regrowth will impact global carbon cycle. Furthermore, FORECAT will drastically improve our land-scape scale understanding of forest regrowth in the tropics, and will set the stage to inform managers and decision makers on optimal and sustainable land-use change planning.

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Programme(s)

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Topic(s)

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Funding Scheme

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HORIZON-ERC - HORIZON ERC Grants

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Call for proposal

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(opens in new window) ERC-2023-STG

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Host institution

UNIVERSITEIT GENT
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.

€ 1 500 000,00
Address
SINT PIETERSNIEUWSTRAAT 25
9000 GENT
Belgium

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Region
Vlaams Gewest Prov. Oost-Vlaanderen Arr. Gent
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.

€ 1 500 000,00

Beneficiaries (1)

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