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 | Acesso ao texto completo restrito à biblioteca da Embrapa Rondônia. Para informações adicionais entre em contato com cpafro.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Rondônia. |
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Data corrente: |
20/02/2018 |
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Data da última atualização: |
20/02/2018 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
|
Circulação/Nível: |
A - 2 |
|
Autoria: |
KLIMAS, C. M.; CROPPER JUNIOR, W. P.; KAINER, K. A.; WADT, L. H. de O. |
|
Afiliação: |
Christie M. Klimas, DePaul University; Wendell P. Cropper Junior, University of Florida; Karen A. Kainer, University of Florida; Center for Latin American Studies; LUCIA HELENA DE OLIVEIRA WADT, CPAF-Rondonia. |
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Título: |
Multimodel projections for evaluating sustainable timber and seed harvest of carapa guianensis. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
Forest Science, v. 64, n. 1, p.15-27, 2017. |
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DOI: |
https://doi.org/10.5849/FS-2017-001 |
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Idioma: |
Inglês |
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Conteúdo: |
Ecological models are increasingly used to forecast the long-term fate of populations after management interventions. The uncertainty associated with forecasts is important to investigate. Because model choice is one component of uncertainty, we compared projections of Carapa guianensis population growth rate () from matrix population models (MPMs) and integral projection models (IPMs). We also compared projections for C. guianensis seed and timber harvest scenarios to those from previous MPMs for this economically valuable multiple-use tree species. Changes in the time interval of the MPM resulted in larger changes in than changes in environmental conditions between years. The only exception to this trend was when representing impacts of a 2005 fire. Fire had a more severe impact on when modeled with IPMs. The IPM estimated in 2005?9 was 0.8122, almost 0.1 lower than the MPM of 0.9115. The management implications of this research were mixed. Both MPM and IPM results indicated declining populations of C. guianensis even before simulated harvests. However, the annualized income from seed oil and timber harvests, although not ecologically sustainable, was comparable or higher than per-hectare earnings from rubber and other nontimber forest products in the Amazon. |
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Palavras-Chave: |
Integral projection models; Matrix population models; Net present value. |
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Thesaurus NAL: |
nontimber forest products. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01985naa a2200217 a 4500
001 2087909
005 2018-02-20
008 2017 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.5849/FS-2017-001$2DOI
100 1 $aKLIMAS, C. M.
245 $aMultimodel projections for evaluating sustainable timber and seed harvest of carapa guianensis.$h[electronic resource]
260 $c2017
520 $aEcological models are increasingly used to forecast the long-term fate of populations after management interventions. The uncertainty associated with forecasts is important to investigate. Because model choice is one component of uncertainty, we compared projections of Carapa guianensis population growth rate () from matrix population models (MPMs) and integral projection models (IPMs). We also compared projections for C. guianensis seed and timber harvest scenarios to those from previous MPMs for this economically valuable multiple-use tree species. Changes in the time interval of the MPM resulted in larger changes in than changes in environmental conditions between years. The only exception to this trend was when representing impacts of a 2005 fire. Fire had a more severe impact on when modeled with IPMs. The IPM estimated in 2005?9 was 0.8122, almost 0.1 lower than the MPM of 0.9115. The management implications of this research were mixed. Both MPM and IPM results indicated declining populations of C. guianensis even before simulated harvests. However, the annualized income from seed oil and timber harvests, although not ecologically sustainable, was comparable or higher than per-hectare earnings from rubber and other nontimber forest products in the Amazon.
650 $anontimber forest products
653 $aIntegral projection models
653 $aMatrix population models
653 $aNet present value
700 1 $aCROPPER JUNIOR, W. P.
700 1 $aKAINER, K. A.
700 1 $aWADT, L. H. de O.
773 $tForest Science$gv. 64, n. 1, p.15-27, 2017.
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