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Reproductive success of Cardiopetalum calophyllum (Annonaceae) treelets in fragments of Brazilian savanna

Published online by Cambridge University Press:  12 April 2012

Marcos Antônio da Silva Elias ,
Edivani Villaron Franceschinelli ,
Leandro Juen ,
Fábio Julio Alves Borges ,
Glalko Machado Ferreira  and
Fábio Martins Vilar de Carvalho
Marcos Antônio da Silva Elias
Affiliation:
Departamento de Biologia Geral, ICB, Universidade Federal de Goiás, Goiânia 74.001-970, Goiás, Brazil
Edivani Villaron Franceschinelli*
Affiliation:
Departamento de Biologia Geral, ICB, Universidade Federal de Goiás, Goiânia 74.001-970, Goiás, Brazil
Leandro Juen
Affiliation:
Instituto de Ciências Biológicas, Universidade Federal do Pará, Rua Augusto Correia, No. 1 Bairro Guama, 66.075-110, Belém, Pará, Brazil
Fábio Julio Alves Borges
Affiliation:
Licenciatura em Biologia a Distância, ICB, Universidade Federal de Goiás, Goiânia 74.001–970, Goiás, Brazil
Glalko Machado Ferreira
Affiliation:
Cadastro Territorial Multifinalitário, Prefeitura Municipal de Hidrolândia, Goiás, Brazil
Fábio Martins Vilar de Carvalho
Affiliation:
Universidade Federal de Goiás, Campus Jataí, BR-364 km 192, Jataí 75801–615, Goiás, Brazil
*
1Corresponding author. Email: edivanif@gmail.com
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Extract

Habitat fragmentation may affect essential ecosystem processes, such as pollination, causing negative effects on plants and pollinators (Aizen & Feinsinger 1994, Jennersten 1988, Lennartsson 2002, Liow et al. 2001, Murcia 1996). Effects of fragmentation on plant–pollinator interaction were evaluated in several studies (Aguirre & Dirzo 2008, Dauber et al. 2010, Dick 2001, Donaldson et al. 2002, Dunley et al. 2009, Fuchs et al. 2003, Ghazoul & McLeish 2001, Lopes & Buzato 2007). The Brazilian savanna, called cerrado, has been fragmented due in large part to extensive agricultural activity (Carvalho et al. 2009). Studies with the main objective of evaluating the influence of fragment size on ecosystem processes and on plant reproductive output has not been determined in cerrado. The plants of this type of vegetation seem to produce generally low number of fruits per flower (Gribel & Hay 1993, Munin et al. 2008, Ortiz et al. 2003). This may be due to the low soil fertility (Franco 2002, Haridasan 2000). But the recent fragmentation of this biome may reduce even more their plant reproductive success because it can increase the effect of pollination limitation and inbreeding caused by the habitat isolation and degradation.

Keywords

beetle pollinationcerradohabitat fragmentationLobiopa insularispollinator abundancereproductive output
Type
Short Communication
Information
Journal of Tropical Ecology , Volume 28 , Issue 3 , May 2012 , pp. 317 - 320
Copyright
Copyright © Cambridge University Press 2012

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References

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