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The effect of fire on phenology, seed and germination traits of cerrado species

Grant number: 17/16149-4
Support Opportunities:Scholarships in Brazil - Master
Effective date (Start): January 01, 2018
Effective date (End): June 06, 2019
Field of knowledge:Biological Sciences - Ecology - Applied Ecology
Principal Investigator:Alessandra Tomaselli Fidelis
Grantee:Heloiza Lourenço Zirondi
Host Institution: Instituto de Biociências (IB). Universidade Estadual Paulista (UNESP). Campus de Rio Claro. Rio Claro , SP, Brazil
Associated research grant:15/06743-0 - How does fire season affect Cerrado vegetation?, AP.JP
Associated scholarship(s):18/08017-3 - Seed traits in fire-prone ecossystems, BE.EP.MS


In the Cerrado, one of the abiotic factors that influence plant phenology is fire, which is a natural disturbance that interferes with several ecosystems in the world. The fire changes the conditions of the habitat and can affect the flowering, fruiting, seeds and germination traits. Therefore, this project aims to understand the effect of fire on the reproductive phenology of the Cerrado community, as well as on the fitness of the dominant species. In this way, we intend to evaluate communities in areas with different fire histories, analyzing the production of flowers, fruits and seeds, as well as the seeds and germination traits. For this, vegetation surveys will be carried out in areas with different fire histories (> 6 years without burning and recently burned). Surveys, including cover (%) and number of branches (vegetative and reproductive) per species, will be performed in 30 subplots of 1x1m. Individuals of different dominant species in the area belonging to three functional groups (grasses, herbaceous and shrubs) will also be marked. These individuals will have their flowering and seed production tracked shortly after the burning. The seed traits and germination of dominant species of the area will be measured, for example, seed size and mass, permeability,% germination, average germination time, etc. Thus, it is intended to understand the influence and importance of fire in the dynamics and assembly of Cerrado herbaceous plant communities. (AU)

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
ZIRONDI, HELOIZA L.; OOI, MARK K. J.; FIDELIS, ALESSANDRA. Fire-triggered flowering is the dominant post-fire strategy in a tropical savanna. JOURNAL OF VEGETATION SCIENCE, v. 32, n. 2, . (15/06743-0, 18/08017-3, 17/16149-4)
FIDELIS, ALESSANDRA; ZIRONDI, HELOIZA L.. And after fire, the Cerrado flowers: A review of post-fire flowering in a tropical savanna. FLORA, v. 280, . (15/06743-0, 17/16149-4)
RODRIGUES, CASSY ANNE; ZIRONDI, HELOIZA LOURENCO; FIDELIS, ALESSANDRA. Fire frequency affects fire behavior in open savannas of the Cerrado. FOREST ECOLOGY AND MANAGEMENT, v. 482, . (17/16149-4, 15/06743-0)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
ZIRONDI, Heloiza Lourenço. The effect of fire history on reproductive phenology and seed and germination traits of Cerrado species. 2019. Master's Dissertation - Universidade Estadual Paulista (Unesp). Instituto de Biociências. Rio Claro Rio Claro.

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