Frugivoria de Ficus (Moraceae) por aves em paisagens com diferentes níveis de fragmentação florestal no Estado de São Paulo

Lapate, Mariana Esther

doi:10.11606/d.59.2009.tde-10112009-102713

Cited by 2 publications

(3 citation statements)

References 38 publications

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“…Although limited seed dispersal involving animal vectors is generally attributed to the dispersers' foraging behavior, the reduction or loss of habitats, which has occurred in the recent past in the studied Ficus populations, may bring about consequences that affect seed dispersal, such as a decline in disperser populations (Lapate ). Lower rates of seed dispersal and changes in regenerative potential due to a reduction in fauna populations have been reported for Ficus (Kirika et al.…”

Section: Discussionmentioning

confidence: 99%

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Dioecy, more than monoecy, affects plant spatial genetic structure: the case study of Ficus

Nazareno

Alzate-Marin²,

Pereira³

2013

Ecology and Evolution

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In this analysis, we attempt to understand how monoecy and dioecy drive spatial genetic structure (SGS) in plant populations. For this purpose, plants of the genus Ficus were used as a comparative model due to their particular characteristics, including high species diversity, variation in life histories, and sexual systems. One of the main issues we assessed is whether dioecious fig tree populations are more spatially genetically structured than monoecious populations. Using the Sp statistic, which allows for quantitative comparisons among different studies, we compared the extent of SGS between monoecious and dioecious Ficus species. To broaden our conclusions we used published data on an additional 27 monoecious and dioecious plant species. Furthermore, genetic diversity analyses were performed for two monoecious Ficus species using 12 microsatellite markers in order to strengthen our conclusions about SGS. Our results show that dioecy, more than monoecy, significantly contributes to SGS in plant populations. On average, the estimate of Sp was six times higher for dioecious Ficus species than monoecious Ficus species and it was two times higher in dioecious than monoecious plant species. Considering these results, we emphasize that the long-distance pollen dispersal mechanism in monoecious Ficus species seems to be the dominant factor in determining weak spatial genetic structure, high levels of genetic diversity, and lack of inbreeding. Although Ficus constitute a model species to study SGS, a more general comparison encompassing a wider range of plants is required in order to better understand how sexual systems affect genetic structure.

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Section: Discussionmentioning

confidence: 99%

“…These Ficus species are pollinated by speciesspecific agaonid fig wasps (Pegoscapus spp., Hymenoptera: Agaonidae). The fruits of both species are dispersed by bats and generalist birds (Lapate 2009).…”

Section: Study Speciesmentioning

confidence: 99%

Dioecy, more than monoecy, affects plant spatial genetic structure: the case study of Ficus

Nazareno

Alzate-Marin²,

Pereira³

2013

Ecology and Evolution

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“…Cerca de 120 espécies de figueiras ocorrem nas Américas (Lapate, 2009). Devido ao seu hábito hemiepífitico, F. citrifolia pode se estabelecer em cima de outras árvores, em fendas de rochas e até mesmo edificações, se desenvolvendo com facilidade em áreas perturbadas (Pereira et al, 2007.…”

Section: Variabilidade Genética Versus Estruturação Genéticaunclassified

Filogeografia de figueiras neotropicais (<i>Ficus</i>: Moraceae)

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Frugivoria de Ficus (Moraceae) por aves em paisagens com diferentes níveis de fragmentação florestal no Estado de São Paulo

Cited by 2 publications

References 38 publications

Dioecy, more than monoecy, affects plant spatial genetic structure: the case study of Ficus

Dioecy, more than monoecy, affects plant spatial genetic structure: the case study of Ficus

Filogeografia de figueiras neotropicais (<i>Ficus</i>: Moraceae)

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