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    <subfield code="a">Camara, Rodrigo</subfield>
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    <subfield code="a">Silva, Vinicius Duncan</subfield>
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    <subfield code="a">Correia, Maria Elizabeth Fernandes </subfield>
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    <subfield code="a">Villela, Dora Maria</subfield>
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  <datafield tag="245" ind1=" " ind2=" ">
    <subfield code="a">Impacto da remo&#xE7;&#xE3;o de serapilheira sobre a comunidade de artr&#xF3;podes ed&#xE1;ficos em plantios abandonados de Corymbia citriodora</subfield>
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    <subfield code="a">Publica&#xE7;&#xE3;o on-line; 40 ref.; 3 tables; 3 illus.; Summaries (En, Pt)</subfield>
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Resumo

Experimentos de manipula&#xE7;&#xE3;o podem contribuir para a compreens&#xE3;o do papel ecol&#xF3;gico da serapilheira em ecossistemas florestais. No entanto, h&#xE1; poucos estudos desta natureza. Os efeitos da remo&#xE7;&#xE3;o da camada de serapilheira (RS) foram avaliados sobre a comunidade de artr&#xF3;podes do solo em dois plantios abandonados de Corymbia citriodora, em diferentes est&#xE1;gios de regenera&#xE7;&#xE3;o natural de esp&#xE9;cies nativas de Mata Atl&#xE2;ntica. Armadilhas de queda foram instaladas aleatoriamente em 5 parcelas (5 x 20 m) de RS e controle (CT), no plantio com 19 anos de idade (P19: est&#xE1;gio menos avan&#xE7;ado; maior participa&#xE7;&#xE3;o da serapilheira de eucalipto) e plantio com 42 anos (P42: est&#xE1;gio mais avan&#xE7;ado de regenera&#xE7;&#xE3;o; maior participa&#xE7;&#xE3;o da serapilheira de esp&#xE9;cies nativas), nas esta&#xE7;&#xF5;es chuvosa e seca, na Reserva Biol&#xF3;gica Uni&#xE3;o, RJ, Brasil. A maioria dos grupos taxon&#xF4;micos apresentou inibi&#xE7;&#xE3;o da abund&#xE2;ncia com a RS, no P19 e P42. De uma maneira geral, Diptera, Poduromorpha, Pseudoscorpionida, Symphypleona e larvas de Coleoptera foram os principais grupos impactados negativamente pela RS. Por outro lado, alguns grupos foram favorecidos pela RS, principalmente Entomobryomorpha e Formicidae. A RS diminuiu a riqueza total, uniformidade e diversidade de artr&#xF3;podes ed&#xE1;ficos em ambos os plantios. Contudo, este efeito negativo foi mais importante no P19, no qual tamb&#xE9;m ocorreu a diminui&#xE7;&#xE3;o da abund&#xE2;ncia total e riqueza m&#xE9;dia. O maior fechamento do dossel provavelmente minimizou o impacto negativo da RS sobre os artr&#xF3;podes ed&#xE1;ficos no P42.

Palavras-chave: Eucalipto; Fauna do solo; Mata Atl&#xE2;ntica; Ciclagem de nutrientes</subfield>
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Abstract

Manipulation experiments can contribute to understand the ecological role of litter in forest ecosystems. However, there are few studies of this nature. We evaluated the effects of the litter layer removal (RS) on the soil arthropod community in two abandoned plantations of Corymbia citriodora at different stages of the Atlantic Rainforest natural regeneration. Pitfall traps were randomly installed in plots (5 x 20 m) of RS and control (CT) in a 19-year old plantation (P19: less advanced stage of natural regeneration of Atlantic Rainforest species; higher contribution of eucalypt in litterfall) and a 42-year old plantation (P42: more advanced stage of regeneration; higher contribution of native species in litterfall), in rainy season and dry season at &#x2018;Uni&#xE3;o Biological Reserve&#x2019;, RJ state, Brazil. RS inhibited the abundance of the most taxonomic groups, both in P19 and P42. In general, Diptera, Poduromorpha, Pseudoscorpionida, Symphypleona, and larvae of Coleoptera were the most negatively impacted groups by RS. In contrast, RS favored some other groups, principally Entomobryomorpha and Formicidae. Total richness, evenness and diversity were lower in RS in both plantations. However, this negative effect was stronger in the P19, where RS also decreased total abundance and average richness. The higher canopy closure probable minimized the negative impact of RS on the soil arthropods in P42.

Keywords: Eucalyptus; Soil fauna; Atlantic Rainforest; Nutrient cycling</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">EUCALIPTO</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">FAUNA DO SOLO</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">MATA ATL&#xC2;NTICA</subfield>
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  <datafield tag="773" ind1="0" ind2=" ">
    <subfield code="0">4065</subfield>
    <subfield code="9">313811</subfield>
    <subfield code="d">Santa Maria-RS Universidade Federal de Santa Maria - Centro de Pesquisas Florestais.Departamento de Ci&#xEA;ncias Florestais. Programa de P&#xF3;s-Gradua&#xE7;&#xE3;o em Engenharia Florestal 1991</subfield>
    <subfield code="o">2024-0078</subfield>
    <subfield code="t">Ci&#xEA;ncia Florestal (Brazil)</subfield>
    <subfield code="x">0103-9954; 1980-5098 (on-line)</subfield>
    <subfield code="g">v. 29(1) p. 14-26; (Jan-Mar 2019)</subfield>
    <subfield code="w">BR2023001578</subfield>
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  <datafield tag="856" ind1=" " ind2=" ">
    <subfield code="u">https://www.scielo.br/j/cflo/a/RxRQS9qCfW6kS6TZNSBZV5y/?format=pdf&amp;lang=pt</subfield>
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  <datafield tag="942" ind1=" " ind2=" ">
    <subfield code="c">Anal&#xED;tica</subfield>
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    <subfield code="c">298679</subfield>
    <subfield code="d">298679</subfield>
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