Polinização em uma comunidade de bromélias em floresta atlântica alto-montana no estado do Paraná, Brasil

Kaehler, Miriam; Varassin, Isabela Galarda; Goldenberg, Renato

doi:10.1590/s0100-84042005000200003

Cited by 42 publications

(44 citation statements)

References 21 publications

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“…Hummingbirds were identifi ed from fi eld guides while invertebrates were collected and identifi ed by specialists. We avoided observing visitors more than once at the same plant (Kaehler et al 2005).…”

Section: Methodsmentioning

confidence: 99%

“…Bromeliaceae is a large family of monocotyledons in which the majority of species are pollinated by hummingbirds (Martinelli 1997;Buzato et al 2000;Varassin & Sazima 2000;Kaehler et al 2005;Machado and Semir 2006;Piacentini & Varassin 2007) but bats may also be important (Sazima et al 1995;Sazima et al 1999). Insects may also pollinate these plants, yet this is seldom demonstrated (Benzing 2000;Varassin & Sazima 2000;Siqueira Filho & Machado 2001;Kaehler et al 2005;Lenzi et al 2006).…”

Section: Introductionmentioning

confidence: 99%

“…Insects may also pollinate these plants, yet this is seldom demonstrated (Benzing 2000;Varassin & Sazima 2000;Siqueira Filho & Machado 2001;Kaehler et al 2005;Lenzi et al 2006). Also, insect pollination is oft en in association with other pollinating animals (Benzing 2000;Varassin & Sazima 2000;Siqueira Filho & Machado 2001;Wendt et al 2001;Lenzi et al 2006) and hence may confuse the true source of pollination.…”

Section: Introductionmentioning

confidence: 99%

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Reproductive biology and pollination of Aechmea distichantha Lem. (Bromeliaceae)

Scrok

Varassin

2011

Acta Bot. Bras.

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ABSTRACT(Reproductive biology and pollination of Aechmea distichantha Lem. (Bromeliaceae)). Reproductive biology, including phenology, fl ower biology, pollination, and the reproductive system in the bromeliad Aechmea distichantha were studied in an Araucaria forest in the state of Paraná. Phenology and reproduction in terricolous plants were followed in October 2006 and May -October of 2007. Flowering peaked from June to September and fruiting was from June to October. Flower anthesis lasted one day. Flowers were pollinated the most by the hummingbird Stephanoxis lalandi and the most common butterfl y visitor was Lychnuchoides ozias ozias. Nectar concentration declined during anthesis, while nectar volume was constant. Aechmea distichantha is self-compatible with 30-45% fruit formation in self-pollination tests. Sunlight infl uences reproduction: when controlling for bromeliad and infl orescence size, plants in sunlight produced more seeds per fruit than plants in the shade. Reproduction was also associated with infl orescence size when controlling for bromeliad size. Th at is, larger infl orescences in similar sized plants produced more fl owers and more seeds per fruit.

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Reproductive biology and pollination of Aechmea distichantha Lem. (Bromeliaceae)

Scrok

Varassin

2011

Acta Bot. Bras.

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“…São poucos os estudos que contemplam os ciclos sazonais destas comunidades (e.g. FISCHER & ARAUJO 1995, SAZIMA et al 1996, BUZATO et al 2000, ARAUJO & SAZIMA 2003, KAEHLER et al 2005, LEAL et al 2006, MACHADO & SEMIR 2006, MACHADO et al 2007.…”

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Beija-flores (Aves: Trochilidae) e seus recursos florais em uma área de caatinga da Chapada Diamantina, Bahia, Brasil

Machado¹

2009

Zoologia (Curitiba, Impr.)

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“…In the south and south-east regions of Brazil, the Atlantic Forest has the greatest generic diversity of this family due to the high degree of endemism and the interaction of the diversity of bromeliads with the fauna that inhabit them (Kaehler et al 2005). In the Amazon, 64 bromeliad species are known to occur, distributed into 14 genera (Smith 1955); these are reported in a variety of different habitats (Ribeiro et al 1999).…”

mentioning

confidence: 99%

Mosquitoes (Diptera, Culicidae) inhabiting foliar tanks of Guzmania brasiliensis Ule (Bromeliaceae) in central Amazonia, Brazil

Torreias¹,

Ferreira-Keppler²,

Godoy³

et al. 2010

Rev. Bras. entomol.

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ABSTRACT. Mosquitoes (Diptera, Culicidae) inhabiting foliar tanks of Guzmania brasiliensis Ule (Bromeliaceae) in central Amazonia, Brazil. Mosquitoes in the family Culicidae develop their immature forms in different environments depending on various circumstances. This study represents the first contribution to the ecological knowledge of culicids living in the bromeliad G. brasiliensis. The objectives of the study were to compare the Culicidae fauna of bromeliads in two seasonal periods, analyzing their abundance, richness and the influence of pH, conductivity and water volume, on the populations. Sampling was done at Reserva Adolpho Ducke, Manaus, Amazonas, Brazil between 2003 and 2005. Six samplings were done in the rainy season and six in the dry season. On each sampling day, six terrestrial and six epiphytic bromeliads, totaling 144 sampling units, were retrieved. A total of 444 immature mosquitoes were collected, distributed in the following species:The relationship between abundance of Culicidae and sampling period was not significant, although abundance was higher in the dry period. There were significant correlations between water volume and the abundance (p = 0.003) and richness (p = 0.001) of culicids. The pH was positively related to the occurrence of the species Wy. autocratica (p= 0.010) and Wy. splendida (p= 0.006), demonstrating the influence of this factor in the structuring of bromeliadinhabiting communities.KEYWORDS. Amazon; Aquatic insects; Culex (Microculex); Phytotelmata; Wyeomyia.RESUMO. Mosquitos (Diptera, Culicidae) habitando tanques foliares de Guzmania brasiliensis Ule (Bromeliaceae) na Amazônia Central, Brasil. Mosquitos da família Culicidae desenvolvem suas formas imaturas em vários ambientes na dependência de circunstâncias diversas. Este trabalho representa a primeira contribuição ao conhecimento ecológico de culicídeos em G. brasiliensis e tem como objetivo inventariar os imaturos em bromélias em dois períodos sazonais, analisando a abundância, riqueza e a influência das variáveis abióticas pH, condutividade e volume de água sobre as populações de Culicidae. A relação entre abundância de Culicidae e períodos não foi significativa, entretanto, o período seco apresentou maior representatividade de imaturos. Houve significância na relação do volume de água e abundância (p= 0,003) e riqueza (p= 0,001) de culicídeos. O pH foi o único parâmetro relacionado positivamente com a ocorrência das espécies Wy. autocratica (p= 0,010) e Wy. splendida (p= 0,006) ressaltando a influência deste fator na estruturação das comunidades bromelícolas.

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Polinização em uma comunidade de bromélias em floresta atlântica alto-montana no estado do Paraná, Brasil

Cited by 42 publications

References 21 publications

Reproductive biology and pollination of Aechmea distichantha Lem. (Bromeliaceae)

Reproductive biology and pollination of Aechmea distichantha Lem. (Bromeliaceae)

Beija-flores (Aves: Trochilidae) e seus recursos florais em uma área de caatinga da Chapada Diamantina, Bahia, Brasil

Mosquitoes (Diptera, Culicidae) inhabiting foliar tanks of Guzmania brasiliensis Ule (Bromeliaceae) in central Amazonia, Brazil

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