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Biogeography and conservation of Byttnerioideae, Helicterioideae and Sterculioideae (Malvaceae) in Atlantic Forest, with a synopsis of their species in Southeastern Brazil

Grant number: 17/19295-1
Support Opportunities:Scholarships in Brazil - Master
Effective date (Start): January 01, 2018
Effective date (End): May 01, 2020
Field of knowledge:Biological Sciences - Botany - Plant Taxonomy
Principal Investigator:José Rubens Pirani
Grantee:Matheus Colli Silva
Host Institution: Instituto de Biociências (IB). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Associated scholarship(s):19/04530-0 - Big-data insights into the biogeographic niche, conservation status and collection bias in the cocoa group (Malvaceae) in South America, BE.EP.MS


Byttnerioideae, Helicterioideae and Sterculioideae are monophyletic groups traditionally grouped within Sterculiaceae, which is no more recognized, because it is not monophyletic. Currently they are part of Malvaceae sensu lato, an important pantropical family whose species in Brazil occur in all domains. Nowadays, the need of more collecting efforts throughout Brazilian Southeast region persists, especially within protected areas, leading to proposals of floristic survey as the present one. Besides, the fact that there are few active researchers on Malvaceae encourages formation and specialization of new taxonomists. Hence, this work aims to contribute to the biogeography, conservation and taxonomy of the three subfamilies mentioned above, focusing on the Southeast region of Brazil, where they are a prominent group. Available data indicates nine genera and 53 species of the three subfamilies in the Atlantic Forest, 39 of them occurring in Southeastern Region. The study will be based on exploration of three guiding issues: (1) to map distributions of species within Atlantic Forest, and to analyze biogeographic patterns of the three subfamilies within this domain, defining centers of diversity and areas of endemism and biogeographic limits; (2) to study occurrence and distribution of the studied species within protected areas of Atlantic Forest, evaluating conservation potential of such areas and detecting protection gaps; and (3) to provide a synoptic treatment of species of the three subfamilies in Southeastern Region, providing diagnostic descriptions, identification keys, and a compilation of ecological and geographical data. Fundamental hypothesis to be explored in this project are: do Byttnerioideae, Helicterioideae and Sterculioideae groups contribute with spatial evidence corroborating richness, diversity and endemism patterns already proposed in the literature about the Atlantic Forest biota? Do they contribute with relevant subsidies for management and conservation initiatives of this vegetation, mostly concerning Southeast Brazil? (AU)

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Scientific publications (7)
(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)
COLLI-SILVA, MATHEUS; REGINATO, MARCELO; CABRAL, ANDRESSA; FORZZA, RAFAELA CAMPOSTRINI; PIRANI, JOSE RUBENS; VASCONCELOS, THAIS N. DA C.. Evaluating shortfalls and spatial accuracy of biodiversity documentation in the Atlantic Forest, the most diverse and threatened Brazilian phytogeographic domain. Taxon, v. 69, n. 3, . (18/02191-1, 17/19295-1, 17/09447-9)
COLLI-SILVA, MATHEUS; PIRANI, JOSE RUBENS; ZIZKA, ALEXANDER. Ecological niche models and point distribution data reveal a differential coverage of the cacao relatives (Malvaceae) in South American protected areas. ECOLOGICAL INFORMATICS, v. 69, p. 9-pg., . (17/19295-1, 19/04530-0)
THALES SILVA COUTINHO; MATHEUS COLLI-SILVA; MARCCUS ALVES. Novelties in Brazilian Waltheria L. (Byttnerioideae, Malvaceae): two new species and one re-establishment. Acta Botanica Brasilica, v. 34, n. 3, p. 449-459, . (17/19295-1)
COLLI-SILVA, MATHEUS; VASCONCELOS, THAIS N. C.; PIRANI, JOSE RUBENS. Outstanding plant endemism levels strongly support the recognition of campo rupestre provinces in mountaintops of eastern South America. Journal of Biogeography, v. 46, n. 8, p. 1723-1733, . (18/02191-1, 17/19295-1)
MATHEUS COLLI-SILVA; JOSÉ RUBENS PIRANI. A synopsis of Byttnerieae (Malvaceae, Byttnerioideae) from the Atlantic Forest, with notes on geographical distribution, nomenclature, and conservation. Acta Botanica Brasilica, v. 35, n. 2, p. 248-268, . (17/19295-1)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
SILVA, Matheus Colli. Biogeography abd conservation of Byttnerioideae, Helicteroideae and Sterculioideae (Malvaceae) in South America, with a taxonomical synopsis in the Atlantic Forest. 2020. Master's Dissertation - Universidade de São Paulo (USP). Instituto de Biociências (IBIOC/SB) São Paulo.

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