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Effects of climate variation on growth and hydraulic functioning of jatobá xylem (Hymenaea courbaril - Fabaceae) in two contrasting phytophysiognomies: rainforest and Cerrado

Grant number: 19/21579-3
Support Opportunities:Scholarships in Brazil - Master
Effective date (Start): May 01, 2020
Effective date (End): April 30, 2021
Field of knowledge:Biological Sciences - Ecology
Principal Investigator:Peter Stoltenborg Groenendyk
Grantee:Welington Luis Sachetti Júnior
Host Institution: Instituto de Biologia (IB). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil
Associated research grant:18/01847-0 - DendroGrad: Tree-rings, wood anatomy and hydraulic traits do evaluate long-term CO2-fertilisation effects across environmental gradients on three tropical tree species, AP.JP


Several studies have pointed to changes in climate such as variations in precipitation, temperature and CO2 concentration of the atmosphere. Such variations affect numerous ecosystems, especially rainforests, which occupy about 40% of the earth and harbor large biodiversity. One way to analyze these impacts is to observe tree growth and its relationship to climate changes over time in two distinct phytophysiognomies, thus contributing to a greater understanding of tree growth in environments with limiting and non-limiting climate factors, as is the case with water availability, limiting in biomes such as cerrado and caatinga, but not limiting in biomes such as the rainforest and the Amazon rainforest. In order to understand how two contrasting phytophysiognomies, wet and dry rainforests, responded to these climate changes, we will use a retrospective tool: growth ring analysis. From this analysis we will seek to understand the responses about tree growth and anatomy to climate variability and how these responses vary in two contrasting environments over time. In this way, we aim to provide a better understanding of tropical tree responses to future climate change. (AU)

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Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
SACHETTI JÚNIOR, Welington Luis. Differences in growth rates of jatobá (Hymenaea courbaril - Fabaceae) in two contrasting phytophysiognomies: tropical seasonal evergreen forest and cerrado. 2021. Master's Dissertation - Universidade Estadual de Campinas (UNICAMP). Instituto de Biologia Campinas, SP.

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