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    <subfield code="a">Stedille, Lilian Iara Bet </subfield>
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    <subfield code="a">Ferreira, Paula Iaschitzki</subfield>
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    <subfield code="a">Gomes, Juliano Pereira </subfield>
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    <subfield code="a">Mantovani, Adelar </subfield>
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    <subfield code="a">Dispers&#xE3;o e Caracteriza&#xE7;&#xE3;o de Frutos de Myrceugenia euosma em Floresta Ombr&#xF3;fila Mista no Sul do Brasil</subfield>
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RESUMO

Este estudo objetivou caracterizar aspectos relacionados &#xE0; dispers&#xE3;o de prop&#xE1;gulos de Myrceugenia
euosma (O. Berg) D. Legrand (Myrtaceae) em um fragmento de Floresta Ombr&#xF3;fila Mista em
Urupema, SC. Para isso, foram avaliados 29 indiv&#xED;duos reprodutivos quanto &#xE0; frequ&#xEA;ncia de
visitantes, chuva de prop&#xE1;gulos, remo&#xE7;&#xE3;o e caracteriza&#xE7;&#xE3;o de frutos. Registraram-se 140 visitas
de p&#xE1;ssaros, sem ocorr&#xEA;ncia de per&#xED;odo preferencial. As esp&#xE9;cies com maior frequ&#xEA;ncia de visita
e maior consumo de frutos foram Zonotrichia capensis (tico-tico) e Stephanophorus diadematus
(cabe&#xE7;a-de-velho), consideradas potenciais dispersoras. A frequ&#xEA;ncia de coletores contendo
prop&#xE1;gulos de M. euosma diminuiu com o aumento da dist&#xE2;ncia, apresentando comportamento
distinto em fun&#xE7;&#xE3;o do tipo de prop&#xE1;gulo avaliado. Tamb&#xE9;m foram verificadas sementes intactas
junto &#xE0;s fezes das aves nos coletores. A taxa de remo&#xE7;&#xE3;o de frutos depositados no ch&#xE3;o foi de
22%, isso demonstra a relev&#xE2;ncia desse tema no processo de dispers&#xE3;o das esp&#xE9;cies, merecendo
aten&#xE7;&#xE3;o na realiza&#xE7;&#xE3;o de estudos futuros.

Palavras-chave: s&#xED;ndrome de dispers&#xE3;o, remo&#xE7;&#xE3;o de frutos, ornitocoria.






Dispersal and Characteristics of Myrceugenia euosma Fruit in Mixed Ombrophilous Forests, Southern Brazil

ABSTRACT

This study aimed to characterize aspects related to propagules dispersion of Myrceugenia
euosma (Myrtaceae) in a fragment of Mixed Ombrophillous Forest, Urupema, SC. For this,
twenty-nine seed tree were evaluated for focal observation of visitors, propagules rain, removal
and characterization of fruits. We recorded 140 visits of birds, occurring without preferential visit
period. The species with higher visiting frequency and consumption of fruits were Zonotrichia
capensis (Rufous-collared Sparrow) and Stephanophorus diadematus (Diademed Tanager),
considered as potential dispersers. The frequency of collectors containing M. euosma propagules
decreased with increased distance, presenting distinct behavior depending the type of propagule
evaluated. We also found intact seeds in bird feces inside the collectors. The removal rate of
fruits deposited on the ground was 22%, demonstrating that this is an important topic on the
dispersal process and deserves attention in future studies.

Keywords: dispersal syndrome, fruit removal, ornithochory.</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">DISPERS&#xC3;O DE SEMENTE</subfield>
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    <subfield code="a">REPRODU&#xC7;&#xC3;O VEGETAL</subfield>
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    <subfield code="a">PRESERVA&#xC7;&#xC3;O DA NATUREZA</subfield>
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    <subfield code="a">ECOLOGIA</subfield>
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    <subfield code="0">2929</subfield>
    <subfield code="9">347945</subfield>
    <subfield code="d">Rio de Janeiro-RJ Instituto de Florestas - UFRRJ 1994</subfield>
    <subfield code="o">2025-0444</subfield>
    <subfield code="t">Floresta e Ambiente (Brazil)</subfield>
    <subfield code="x">1415-0980  /  ISSN 2179-8087 0nline</subfield>
    <subfield code="g">v. 24 p. 1-11; (2017)</subfield>
    <subfield code="w">BR2026000220</subfield>
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    <subfield code="u">https://www.scielo.br/j/floram/a/SvvMgjhbFwNJFnKV6DR5NHq/?format=pdf&amp;lang=pt</subfield>
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