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Assessing selection on traits in Krameria oil flowers mediated by oil-collecting bees in a geographical scale

Grant number: 15/19789-9
Support type:Scholarships abroad - Research Internship - Doctorate
Effective date (Start): November 04, 2015
Effective date (End): December 30, 2015
Field of knowledge:Biological Sciences - Ecology - Theoretical Ecology
Principal researcher:Isabel Alves dos Santos
Grantee:Liedson Tavares de Sousa Carneiro
Supervisor abroad: Andrea Aristides Cocucci
Home Institution: Instituto de Biociências (IB). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Research place: Universidad Nacional de Córdoba (UNC), Argentina  
Associated to the scholarship:13/00181-5 - Geographic mosaic structure of the interaction between Krameria Loefl. (Krameriaceae) species and oil collecting bees, BP.DR

Abstract

Pollinator and flowering plants are evolutionarily associated for millions of years and thus they may act reciprocally as selective force. In the pollination process, pollen transfer is the primary mechanism for natural selection occurs in this interaction, while pollinators and plants effectively need to feed and reproduce, respectively. Recently researchers developed methods for quantifying selection and plant-pollinator interactions became interesting systems for their application. These methods are used for measuring the association between fitness variation and phenotypic differences among individuals to infer on evolutionary outcomes in short term. In this proposal, we aim to apply those methods in the specialized bee-plant mutualism involving Krameria grandiflora and oil-collecting bees. We propose to evaluate whether flower shape/symmetry and oil-production are traits under pollinator-mediated selection.

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