Observações preliminares sobre a frugivoria por aves em Alchornea glandulosa (Endl. &amp; Poepp.) (Euphorbiaceae) em vegetação secundária

Zimmermann, Carlos Eduardo

doi:10.1590/s0101-81751996000300001

Cited by 6 publications

(4 citation statements)

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“…& Poepp.) (Euphorbiaceae) foram registradas 21 espécies de aves se alimentando dos frutos arilados (Zimmermann, 1996). Já para Miconia rubiginosa (Bonpl.)…”

Section: Discussionunclassified

“…Estes registros foram qualitativos e realizados no setor Nascentes dentro do período de frutificação da espécie, entre agosto de 2001 e dezembro de 2002, com as observações ocorrendo nos dois períodos do dia. Como unidade de observação adotou-se a hora-planta (árvore-focal) (Silva, 1988;Argel-de-Oliveira, 1992;Zimmermann, 1996;Zaca et al, 2006), que consiste no registro do consumo e de parâmetros comportamentais das espécies de aves visitantes durante um intervalo de 60 minutos. Foram registrados os seguintes parâmetros e comportamentos das espécies de aves visitantes: a) o número de visitas; b) o número de frutos consumidos; c) o modo de captura do fruto, cuja classificação foi adaptada de Moermond & Denslow (1985); d) o modo de consumo (tratamento) dado aos frutos no bico, que neste trabalho foi padronizado em retira a polpa (mastiga) ou engole inteiro, ou seja, sem qualquer tipo de tratamento no bico e, e) a duração das visitas.…”

Section: Registro Das Espécies De Avesunclassified

“…Estes parâmetros eram registrados para um indivíduo de uma determinada espécie de ave independente do número de indivíduos presentes, terminando apenas quando este se retirava da copa como detalhado em Zimmermann (1996). Na chegada de bandos mono específicos, as informações foram obtidas pela observação de um único indivíduo (animal focal) (Jesus & Monteiro-Filho, 2007).…”

Section: Registro Das Espécies De Avesunclassified

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FRUGIVORIA POR AVES EM Myrsine coriacea ((SW.) R.BR. EX ROEM. & SCHULT.) (PRIMULACEAE) E SEU USO POTENCIAL EM PROJETOS DE RESTAURAÇÃO

Zimmermann

2022

Braz. J. Aquat. Sci. Technol.

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Frugivory by birds Myrsine coriacea ((Sw.) R.Br. ex Roem. & Schult.) (Primulaceae) and their potential use in restoration projects Frugivory and seed dispersal studies are fundamental to comprehend the reproductive biology of plants. The aim of this work was to identify the species of birds that interact with M. coriacea, identifying its potentials dispersal vectors and assessing the use of this plant on ecological restoration programs. The observations were conducted on forest edges at Serra do Itajaí National Park, in two different moments with complementary methodologies. In the first period between June 2001 and 2002 it was adopted the hour-plant (tree-focal) as observation unit, with 15 plants selected for quantitative records, distributed throughout the day and totalizing 21 hours of observation. In the second period, from January 2013 to August 2015, it was adopted the feeding-bouts method on existing tracks. Considering both methods, 31 bird species were registered. Among them stand out in the focal method the species Turdus rufiventris (Vieillot, 1818), T. amaurochalinus (Cabanis, 1850) e T. abicollis (Vieillot, 1818), which in short visits ingested entire fruits, just as Tangara desmaresti (Vieillot, 1819) and Chiroxiphia caudata(Shaw & Nodder, 1793), forest species that promote the flow of seeds from more advanced stages of succession to areas under restoration. These aspects, associated with an abundant fructification and a fast shadowing, authorize their employment on ecological restoration projects.

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“…& Poepp.) (Euphorbiaceae) foram registradas 21 espécies de aves se alimentando dos frutos arilados (Zimmermann, 1996). Já para Miconia rubiginosa (Bonpl.)…”

Section: Discussionunclassified

Section: Registro Das Espécies De Avesunclassified

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FRUGIVORIA POR AVES EM Myrsine coriacea ((SW.) R.BR. EX ROEM. & SCHULT.) (PRIMULACEAE) E SEU USO POTENCIAL EM PROJETOS DE RESTAURAÇÃO

Zimmermann

2022

Braz. J. Aquat. Sci. Technol.

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“…As duas espécies de Ligustrum foram avaliadas em um único estudo, mas estavam em estados e mesmo em biomas diferentes com L. lucidum em transição Mata Atlântica/ Pampas e L. japonicum em transição Cerrado/Mata Atlântica . Já Alchornea glandulosa e A. triplinervia foram observadas em dois estudos em áreas distintas (Zimmermann 1996;Krügel & Behr 1999) e também apresentaram alta similaridade, situando-se no mesmo grupo. Plantas da mesma família apresentam, em geral, frutos com características semelhantes (Barroso et al 1999) e fatores como tamanho, cor e forma podem influenciar a comunidade de consumidores de determinada espécie vegetal .…”

Section: Discussionunclassified

Redes de interações de frugivoria por aves em plantas nativas e exóticas em ambiente urbano

Oliveira¹

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Fruit consumption by birds is well reported in Brazil, but few studies compared the use of native and exotic fruit, especially in urban environment. Network Theory may be a useful tool in such studies, since it allows to evaluate multiple species of both animal and plants involved in interactions. The goals of this thesis were to evaluate bird-plant interaction networks in urban environment on regional and local scale; to assess the role of native and exotic plant species in the networks and to compare the consumers assembly interacting with native and exotic plants. We reviewed published literature on bird frugivory in urban areas of Brazil and made a meta-analysis to generate an interaction network on a regional scale. We also made observations in urban green areas of Uberlândia, Minas Gerais State in four native plant species (Matayba guianensis, Xylopia aromatica, Cecropia pachystachya e Phoradendron affine) and four exotic species (Michelia champaca, Muntingia calabura, Roystonea borinquena e Ligustrum lucidum). 320 hours of observations were carried out between May 2012 and April 2014 during morning and late afternoon. We included 15 papers in our metaanalysis in which 70 bird species consumed fruits from 15 plant species (six exotic e nine native). The bird species recorded in the greater number of papers was Tangara sayaca (n=14) and the most representative family was Tyrannidae (n=18 spp.). Bird fauna consuming native and exotic fruits were not in different groups and the interaction network on a regional scale was significantly nested (NODF=0,30; p < 0,01) but not modular (M= 0,36; p= 0,16). Two exotic plant species are part of the generalist core (region with higher interaction density) of the frugivory network in urban environment in Brazil (Ficus Microcarpa e M. champaca). At Uberlândia we recorded 540 visits with fruit consumption, performed by 31 bird species from four orders and 12 families.The most representative family was Tyrannidae (n=9 spp.) and Pitangus sulphuratus was the bird species interacting with higher plant diversity (n= 7 spp., 4 exotic e 3 native). Plant species with higher number of interactions were Xylopia aromatica (native) and Michelia champaca (exotic), both consumed by 13 bird species. A total of 339 visits were recorded on exotic plant species and 201 on native plants and 2055 fruits were consumed, 1450 native and 655 exotic fruits. Comparing native and exotic plant species there was significant difference in the number of visits (U=1018,5; p<0,05), but not in the number of fruits consumed (U=1301,50; p=0,7). Interaction network on a local scale was not significantly nested (NODF=40,11; p=0,20) nor modular (M=0,34; p=0,35). There are both native and exotic plant species on central positions of the local network and only two species comprise the generalist core, X. aromatica (native) e M. champaca (exotic). Bird assembly consuming native and exotic fruits did not form different groups. Results suggest that a relatively diverse set of birds consume fruits in urban environmen...

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Frugivory Specialization in Birds and Fruit Chemistry Structure Mutualistic Networks across the Neotropics

Pizo

Morales

Ovaskainen

et al. 2021

The American Naturalist

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The interaction between fruit chemistry and the physiological traits of frugivores is expected to shape the structure of mutualistic seed dispersal networks, but it has been understudied compared with the role of morphological trait matching in structuring interaction patterns. For instance, highly frugivorous birds (i.e., birds that have fruits as the main component of their diets), which characteristically have fast gut passage times, are expected to avoid feeding on lipid-rich fruits because of the long gut retention times associated with lipid digestion. Here, we compiled data from 84 studies conducted in the Neotropics that used focal plant methods to record 35,815 feeding visits made by 317 bird species (155 genera in 28 families) to 165 plant species (82 genera in 48 families). We investigated the relationship between the degree of frugivory of birds (i.e., how much of their diet is composed of fruit) at the genus level and their visits to plant genera that vary in fruit lipid content. We used a hierarchical modeling of species communities approach that accounted for the effects of differences in body size, bird and plant phylogeny, and spatial location of study sites. We found that birds with a low degree of frugivory (e.g., predominantly insectivores) tend to have the highest increase in visitation rates as fruits become more lipid rich, while birds that are more frugivorous tend to increase visits at a lower rate or even decrease visitation rates as lipids increase in fruits. This balance between degree of frugivory and visitation rates to lipid-poor and lipid-rich fruits provides a mechanism to explain specialized dispersal systems and the occurrence of certain physiological nutritional filters, ultimately helping us to understand communitywide interaction patterns between birds and plants.

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Observações preliminares sobre a frugivoria por aves em Alchornea glandulosa (Endl. & Poepp.) (Euphorbiaceae) em vegetação secundária

Cited by 6 publications

References 3 publications

FRUGIVORIA POR AVES EM Myrsine coriacea ((SW.) R.BR. EX ROEM. & SCHULT.) (PRIMULACEAE) E SEU USO POTENCIAL EM PROJETOS DE RESTAURAÇÃO

FRUGIVORIA POR AVES EM Myrsine coriacea ((SW.) R.BR. EX ROEM. & SCHULT.) (PRIMULACEAE) E SEU USO POTENCIAL EM PROJETOS DE RESTAURAÇÃO

Redes de interações de frugivoria por aves em plantas nativas e exóticas em ambiente urbano

Frugivory Specialization in Birds and Fruit Chemistry Structure Mutualistic Networks across the Neotropics

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