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Geographic mosaic structure of the interaction between Krameria Loefl. (Krameriaceae) species and oil collecting bees

Grant number: 13/00181-5
Support type:Scholarships in Brazil - Doctorate
Effective date (Start): May 01, 2013
Effective date (End): June 30, 2017
Field of knowledge:Biological Sciences - Ecology
Principal researcher:Isabel Alves dos Santos
Grantee:Liedson Tavares de Sousa Carneiro
Home Institution: Instituto de Biociências (IB). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Associated scholarship(s):16/11483-0 - Phenotypic integration on the complex oil flowers of Krameria grandiflora across its geographical range, BE.EP.DR   15/19789-9 - Assessing selection on traits in Krameria oil flowers mediated by oil-collecting bees in a geographical scale, BE.EP.DR


The interactions between species resulting in evolutionary responses can be defined by how a species uses the other as a resource. Pollination is a passive process performed while flower visitors explore resources produced by the flowers. Variations in plant-pollinator interactions can be observed along the distribution of the interacting species forming a geographic mosaic in which the interaction benefits the partners in some local communities and prejudices one of them in others. This study proposes to evaluate the degree of reciprocity in the interaction between species of Krameria occurring in Brazil and oil collecting bees (Centridini) along their geographic range, based on the geographic mosaic theory of coevolution. The genus Krameria is represented in Brazil by the species K. argentea Mart. ex Spreng., K. bahiana B. Simpson, K. grandiflora A.St.-Hil., K. spartioides Klotzsch ex O.Berg and K. tomentosa A.St.-Hil. The study will follow as its starting point the distribution of K tomentosa which has been the most recorded and, apparently, the most spread occurring mainly in Atlantic Forest, Caatinga and Cerrado. Areas of Conservation and where K. tomentosa co-occurs with other species of the genus will be prioritized. In each field, three populations of K. tomentosa and its pollinators will be sampled. Variables involved in the interaction will be measured and evaluated among populations. Finding populations at different levels of reciprocal interaction along the distribution of the interacting species is expected.

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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)
CARNEIRO, LIEDSON TAVARES; DANNY SILVA ANDRE, CAMILA BARBARA; TAKAHASI, ADRIANA; ALVES-DOS-SANTOS, ISABEL. Interactions between oil-collecting bees and Krameria grandiflora (Krameriaceae) with emphasis on the role of specialized floral traits in the mutual fit. ARTHROPOD-PLANT INTERACTIONS, v. 13, n. 2, SI, p. 213-226, APR 2019. Web of Science Citations: 0.
CARNEIRO, LIEDSON TAVARES; CAMILLO AGUIAR, ANTONIO JOSE; MARTINS, CELSO FEITOSA; MACHADO, ISABEL CRISTINA; ALVES-DOS-SANTOS, ISABEL. Krameria tomentosa oil flowers and their pollinators: Bees specialized on trichome elaiophores exploit its epithelial oil glands. FLORA, v. 215, p. 1-8, 2015. Web of Science Citations: 7.

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