Annals of Forest Science

, Volume 68, Issue 7, pp 1207–1215 | Cite as

Reproductive phenology of Brazilian savannas and riparian forests: environmental and phylogenetic issues

  • Igor A Silva
  • Danilo M da Silva
  • Gustavo H de Carvalho
  • Marco A Batalha
Original Paper

Abstract

Introduction

The reproductive phenology of plants is expected to be influenced by climatic factors and by the phylogenetic history of the species. In savannas, the peaks of flowering and fruiting are associated with climate seasonality. However, there is still a controversy about the reproductive phenology of plants in riparian forests, a vegetation type that does not experience a severe water shortage.

Methods

We tested whether the reproductive peaks in riparian forests are different from those of the savannas. We also tested if the number of species in flower is correlated with rainfall and day length. We sought evidence of phylogenetic signals in the reproductive periods of the species.

Results

Most of species in savannas and riparian forests flowered and fruited in the wet season. The number of flowering species was positively correlated with monthly rainfall and day length. However, we did not find phylogenetic signals in the reproductive periods.

Conclusions

The phenological pattern of riparian forests was similar to that of savannas. At the community level, the reproductive periods of plants may not be under phylogenetic constraints, as observed in forests under nonseasonal climate. Sun-related variables seem to be the main cues for the reproductive phenology of plants in savannas and riparian forests.

Keywords

Cerrado Flowering Phenology Phylogeny Seasonality 

Supplementary material

13595_2011_71_MOESM1_ESM.doc (386 kb)
Electronic Appendix 1Species sampled at the Federal University of São Carlos, southeastern Brazil (approximately 22°00′ S, 47°51′ W); at the Onça stream, in Brasília municipality (approximately 15°50′ S, 47°50′ W; Oliveira and Paula 2001); and in the reserve of the Brasília Botanic Garden (approximately 15°58′ S, 47°51′ W; Oliveira and Gibbs 2000), in Brasília municipality, central Brazil. Growth forms according to Cornelissen et al. (2003). (DOC 385 kb)

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Copyright information

© INRA and Springer Science+Business Media B.V. 2011

Authors and Affiliations

  • Igor A Silva
    • 1
  • Danilo M da Silva
    • 2
  • Gustavo H de Carvalho
    • 2
  • Marco A Batalha
    • 2
  1. 1.Departamento de Biologia VegetalUniversidade Estadual de CampinasCampinasBrazil
  2. 2.Departamento de BotânicaUniversidade Federal de São CarlosSão CarlosBrazil

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