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Near-surface remote phenology and leaf attributes of seasonal vegetation

Grant number: 17/17380-1
Support type:Scholarships in Brazil - Post-Doctorate
Effective date (Start): September 01, 2017
Effective date (End): August 31, 2019
Field of knowledge:Biological Sciences - Ecology
Cooperation agreement: NERC, UKRI ; Newton Fund, with FAPESP as a partner institution in Brazil
Principal Investigator:Leonor Patricia Cerdeira Morellato
Grantee:Desirée Marques Ramos
Home Institution: Instituto de Biociências (IB). Universidade Estadual Paulista (UNESP). Campus de Rio Claro. Rio Claro , SP, Brazil
Associated research grant:15/50488-5 - Nordeste: new science for a neglected biome, AP.SPEC
Associated scholarship(s):18/23845-0 - Leafing strategies of trees from Seasonally Dry Tropical Forests: the importance of rainfall variability, BE.EP.PD


Drivers of leafing phenology are still unknown for several tropical system holding most of the global diversity of species. Remote sensing estimates leafing time over continental (satellite) and regional/local scales (digital cameras - near-surface phenology) by applying several greenness indices. Near-surface remote phenology using digital cameras enhances the temporal resolution of phenological information at individual tree, species, and community scale. The present project proposes to investigate, based on near-surface phenology, the proximate drivers of seasonal tropical plant phenology, i.e., which climatic factors are responsible for changes in leaf phenophases in two ecosystems: cerrado and caatinga. How climate affect the timing of leafing season in communities varying in their degree of seasonality and in time and length of growing (leafing) season? How is the timing of growth linked to plant physiology (i.e., which plant traits change first, e.g., water contents prior to mineral contents during leafing or before flowering)? Determine major plant phenology strategies based on leafing timing and leaf traits. How many functional groups are detected in the caatinga compared to cerrado? (AU)

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