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Relation between variation in the availability of nectar of a keystone species and the abundance and richness of floral visitors in a Cerrado afforested area

Grant number: 17/27177-9
Support Opportunities:Scholarships in Brazil - Scientific Initiation
Effective date (Start): May 01, 2018
Effective date (End): June 30, 2019
Field of knowledge:Biological Sciences - Ecology
Principal Investigator:Felipe Wanderley de Amorim
Grantee:Caio Simões Ballarin
Host Institution: Instituto de Biociências (IBB). Universidade Estadual Paulista (UNESP). Campus de Botucatu. Botucatu , SP, Brazil

Abstract

Nectar is the main floral reward produced by angiosperms to pollinators, and can be consumed by both vertebrates and invertebrates. The temporal variation in nectar availability can affect the population dynamics and phenology of pollinators, which in turn are able to respond even to small variations in nectar production. Species with generalist pollination systems, nectar is the main resource responsible for attracting a wide variety of floral visitors. Species of the genus Inga (Fabaceae) produce flowers with brush-like morphology that secrete copious amounts of nectar, and are visited by many animal groups, including vertebrates and invertebrates of both diurnal and nocturnal. Inga vera is a mass flowering species widely used in restoration programs in Brazil. Since habitat restoration in biodiversity hotspots should also include the restoration of pollination services, it is important to understand the role of a keystone species on the dynamics of the local fauna pollinators as well as its indirect effects on the pollination of sympatric species. In this sense the aim of this study is to test whether the flowering and nectar production of a population of Inga vera affect the richness and abundance of bees, hummingbirds and hawkmoths in a restoration area of Cerrado, also, to test whether the flowering of I. vera produces indirect effects on sympatric hummingbird-pollinated species. To accomplish this, we will analyze the relationship between nectar production and the richness and abundance of floral visitors, and conduct an experiment with feeders to test the occurrence of indirect effects of I. vera on the visitation frequency of sympatric species. (AU)

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Scientific publications (6)
(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)
BALLARIN, CAIO S.; HACHUY-FILHO, LEANDRO; SANZ-VEIGA, PRISCILA A.; AMORIM, FELIPE W.. The resource-mediated modular structure of a non-symbiotic ant-plant mutualism. ECOLOGICAL ENTOMOLOGY, v. 45, n. 1, . (17/27177-9)
AMORIM, FELIPE W.; BALLARIN, CAIO S.; MARIANO, GABRIEL; LACERDA-BARBOSA, PEDRO AUGUSTO; COSTA, JENNYFER G.; HACHUY-FILHO, LEANDRO; ZABIN, DENIS AUGUSTO; QUEIROZ, HUGO GONCALVES DIAS; SERVILHA, JOAO HENRIQUE; MORAES, ANA PAULA; et al. Good heavens what animal can pollinate it? A fungus-like holoparasitic plant potentially pollinated by opossums. ECOLOGY, v. 101, n. 5, p. 4-pg., . (17/27177-9, 19/01436-3, 11/22215-3)
BALLARIN, CAIO S.; HACHUY-FILHO, LEANDRO; DORIA, MARIA JULIA W.; GIFFU, MURILO M.; POLIZELLO, DIEGO S.; OLIVEIRA, PABLO H.; LACERDA-BARBOSA, PEDRO A.; AMORIM, FELIPE W.. Intra-seasonal and daily variations in nectar availability affect bee assemblage in a monodominant afforested Brazilian Cerrado. AUSTRAL ECOLOGY, v. N/A, p. 14-pg., . (17/27177-9)
RODRIGUES, GABRIEL FELLIPE B.; BALLARIN, CAIO S.; FRANSOZO, ADILSON; AMORIM, FELIPE W.. Structural patterns of a coastal hermit crab-gastropod shell interaction network: new insights from a unique relationship. MARINE ECOLOGY-PROGRESS SERIES, v. 640, p. 117-126, . (17/27177-9)
HACHUY-FILHO, LEANDRO; BALLARIN, CAIO S.; AMORIM, FELIPE W.. Changes in plant community structure and decrease in floral resource availability lead to a high temporal beta-diversity of plant-bee interactions. ARTHROPOD-PLANT INTERACTIONS, v. 14, n. 5, . (17/27177-9)
BALLARIN, CAIO S.; HACHUY-FILHO, LEANDRO; FONTURBEL, FRANCISCO E.; AMORIM, FELIPE W.. Density-dependent effects on the reproductive outcome of a native tree at tropical restored habitats. FOREST ECOLOGY AND MANAGEMENT, v. 520, p. 9-pg., . (17/27177-9)

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