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    <subfield code="a">Coelho Junior, Luiz Moreira</subfield>
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    <subfield code="a">Burgos, Mariana de Castro</subfield>
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    <subfield code="a">Santos J&#xFA;nior, Edvaldo Pereira</subfield>
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  <datafield tag="245" ind1=" " ind2=" ">
    <subfield code="a">Concentra&#xE7;&#xE3;o regional da produ&#xE7;&#xE3;o de lenha da Para&#xED;ba</subfield>
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    <subfield code="a">Publica&#xE7;&#xE3;o on-line; 30 ref.; 2 tables; 5 illus.; Summaries (En, Pt)</subfield>
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RESUMO

Este artigo analisou a concentra&#xE7;&#xE3;o regional da produ&#xE7;&#xE3;o da lenha nativa da Para&#xED;ba, no per&#xED;odo de 1994 a 2014. Os dados da quantidade produzida de lenha nativa foram extra&#xED;dos da produ&#xE7;&#xE3;o da extra&#xE7;&#xE3;o vegetal e da silvicultura dispon&#xED;veis no Instituto Brasileiro de Geografia e Estat&#xED;stica. A concentra&#xE7;&#xE3;o regional foi determinada por meio dos indicadores: Raz&#xE3;o de Concentra&#xE7;&#xE3;o [CR(k)], &#xCD;ndice de Herfindahl-Hirschman (HHI), Entropia de Theil (E), &#xCD;ndice Hall-Tindelman (HTI) e o coeficiente de Gini (G). A partir das an&#xE1;li-ses realizadas neste estudo, conclui-se que no per&#xED;odo estudado houve uma redu&#xE7;&#xE3;o da produ&#xE7;&#xE3;o de lenha na Para&#xED;ba, em virtude da atua&#xE7;&#xE3;o dos &#xF3;rg&#xE3;os fiscalizadores e ambientais, passando de 1.173.383 m&#xB3;, em 1994, para 484.142 m&#xB3;, em 2014; o CR(k) da produ&#xE7;&#xE3;o de lenha na Para&#xED;ba para as 4 maiores microrregi&#xF5;es apresentou-se concentra&#xE7;&#xE3;o moderadamente baixa e para as 8 maiores microrregi&#xF5;es caracterizou-se como moderadamente alta; para os munic&#xED;pios indicou concentra&#xE7;&#xE3;o baixa e mercado competitivo; o HHI para os munic&#xED;pios e microrregi&#xF5;es demonstrou baixa concentra&#xE7;&#xE3;o indicando um mercado altamente competitivo. J&#xE1; &#xE0;s mesorregi&#xF5;es caracterizou concentra&#xE7;&#xE3;o moderada para produ&#xE7;&#xE3;o de lenha; o E mostrou comporta-mentos  semelhantes  entre  munic&#xED;pios  e  microrregi&#xF5;es  demonstrando  baixa  concentra&#xE7;&#xE3;o.  A  mesorregi&#xE3;o  teve  pouca  concorr&#xEA;ncia  entre  as  regi&#xF5;es  produtoras  de  lenha  inferindo  concentra&#xE7;&#xE3;o  moderada,  corro-borando  assim  o  HHI; o HTI  tamb&#xE9;m  apresentou  baixa  concentra&#xE7;&#xE3;o  nos  n&#xED;veis  regionais  (munic&#xED;pios,  microrregi&#xF5;es e mesorregi&#xF5;es), indicando concorr&#xEA;ncia elevada como os demais indicadores; o G mostrou desigualdade de nula a fraca para os munic&#xED;pios, obteve desigualdade fraca a m&#xE9;dia nas microrregi&#xF5;es, e desigualdade m&#xE9;dia a forte nas mesorregi&#xF5;es.

Palavras-chave: economia florestal; biomassa; competitividade</subfield>
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ABSTRACT

This paper analyzed the regional concentration of firewood production in Para&#xED;ba state, from 1994 to 2014. The data on the quantity of native firewood produced were extracted from the production of the vegetal extraction and forestry available at the Brazilian Institute of Geography and Statistics (Instituto Brasileiro de Geografia e Estat&#xED;stica). The regional concentration was determined through the indicators: Concentra-tion Ratio [CR(k)], Herfindahl-Hirschman Index (HHI), of Theil&#x2019;s Entropy index (E), the Hall-Tindelman Index (HTI) and the Gini Index (G). From the analyzes carried out in this study, it was concluded that during the period studied there was a reduction in the production of firewood in Para&#xED;ba state, due to the perfor-mance of the inspection and environmental agencies, from 1,173,383 m&#xB3; in 1994 to 484,142 m&#xB3; in 2014; The CR(k) of the firewood production in Para&#xED;ba for the 4 largest microregions presented a moderately low concentration and for the 8 largest microregions it was characterized as moderately high; for municipali-ties demonstrated low concentration and competitive market; the HHI for the municipalities and microre-gions showed low concentration indicating a highly competitive market. In the mesoregions, there was a moderate concentration of firewood production; and E showed similar behaviors between municipalities and microregions showing low concentration. The mesoregion had little competition among the firewood regions, inferring moderate concentration, thus corroborating HHI; HTI also presented low concentration at regional levels (municipalities, microregions and mesoregions), indicating high competition as the other indicators; the G showed inequality from zero to weak for the municipalities, it obtained weak inequality in the microregions, and medium to strong inequality in the mesoregions.

Keywords: forest economy; biomass; competitiveness.</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">ECONOMIA FLORESTAL</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">BIOMASSA </subfield>
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    <subfield code="a">LENHA</subfield>
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  <datafield tag="773" ind1="0" ind2=" ">
    <subfield code="0">4065</subfield>
    <subfield code="9">198128</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">2023-437009</subfield>
    <subfield code="t">Ci&#xEA;ncia Florestal (Brazil)</subfield>
    <subfield code="x">0103-9954; 1980-5098 (on-line)</subfield>
    <subfield code="g">v. 28(4) p. 1729-1740; (Oct-Dec 2018)</subfield>
    <subfield code="w">BR2023001567</subfield>
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    <subfield code="u">https://www.scielo.br/j/cflo/a/MZrXJRMP3rhDrByvhp4Qr8t/?format=pdf&amp;lang=pt</subfield>
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    <subfield code="c">Anal&#xED;tica</subfield>
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    <subfield code="c">298581</subfield>
    <subfield code="d">298581</subfield>
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