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Population Dynamics of Polyploids: Testing the Mechanisms of Grassland Expansions in Madagascar

Project description

Conservation of Madagascar's grasslands

The extent to which grasslands have expanded and contracted in response to natural climate cycles rather than more recent agricultural practices remains unknown. The EU-funded MADGRASS project will address this knowledge gap by focusing on the grasslands of central Madagascar. Genomic and bioinformatic techniques will be used to test demographic hypotheses that will identify the timing of grassland expansions and contractions, population structure, and gene flow between populations. Recent advances in polyploid species analyses will also be applied. Results will be used to identify which of Madagascar's natural grasslands should be protected and which grasslands should be released from protected status for community and commercial use.

Objective

As a consequence of anthropogenic climate change, it has been hypothesized that human-mediated deforestation degraded closed-canopy forest into grasslands dominated by fire- and grazing-resistant grasses. There is accumulating evidence, however, that tropical grasslands are natural biomes with origins that predate human activities. The extent to which grasslands have expanded and contracted in response to natural climate cycles versus more recent agricultural practices remains an open question and is the motivation for the proposed research. MADGRASS focuses on the grasslands of central Madagascar, because identifying ancient grasslands and protecting them is of urgent conservation interest. Population genomic methods and novel bioinformatic approaches will be used to test demographic hypotheses that will identify the timing of grassland expansions and contractions, population structure, and gene flow between populations. Research goals are made possible by recent advances in the analysis of polyploid species, which will be implemented through MADGRASS. There are direct conservation policy outcomes expected from MADGRASS. Currently, tree-planting programs are attempting to re-forest the grasslands of central Madagascar. These programs often include invasive tree species that grow quickly and require more water than is available, which can unintentionally lead to increased frequency and intensity of fires and overall detrimental outcomes. We will identify the range of Madagascar’s natural grasslands that should be protected. Results will also be used to identify which grasslands should be released from protected status for community and commercial use, building respect and trust with local Malagasy people. All aspects of the proposed research will be conducted in close collaboration with Malagasy colleagues and include specific outreach activities for both local communities in Madagascar and broader scientific and lay groups.

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Programme(s)

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Topic(s)

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Funding Scheme

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MSCA-IF - Marie Skłodowska-Curie Individual Fellowships (IF)

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Call for proposal

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(opens in new window) H2020-MSCA-IF-2020

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Coordinator

ROYAL BOTANIC GARDENS KEW
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.

€ 224 933,76
Address
ROYAL BOTANIC GARDENS KEW
TW93AB Richmond
United Kingdom

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Region
London Outer London — West and North West Hounslow and Richmond upon Thames
Activity type
Research Organisations
Links
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.

€ 224 933,76
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