2001
DOI: 10.1016/s0378-1127(01)00513-8
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A financial analysis of rain forest silviculture in southwestern Sri Lanka

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Cited by 42 publications
(46 citation statements)
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“…Silvicultural treatments after selective tree harvest such as removing tree neighbors from future crop trees (De Graaf et al, 1999;Wadsworth and Zweede, 2006) and stand refinement and soil scarification in logging gaps (e.g., Peñ a-Claros et al, 2008) may be adequate for either natural regeneration or enrichment planting of light-demanding NTFPs. Harvest systems typically applied in Asian dipterocarp forests such as shelterwood cutting (which remove or reduce the overstory) also appear ecologically and economically amenable for managing timber and light-demanding NTFPs (Ashton et al, 2001). However, existing silvicultural treatments may require adjustment.…”
Section: Ecology and Silviculture For Timber And Ntfp Managementmentioning
confidence: 99%
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“…Silvicultural treatments after selective tree harvest such as removing tree neighbors from future crop trees (De Graaf et al, 1999;Wadsworth and Zweede, 2006) and stand refinement and soil scarification in logging gaps (e.g., Peñ a-Claros et al, 2008) may be adequate for either natural regeneration or enrichment planting of light-demanding NTFPs. Harvest systems typically applied in Asian dipterocarp forests such as shelterwood cutting (which remove or reduce the overstory) also appear ecologically and economically amenable for managing timber and light-demanding NTFPs (Ashton et al, 2001). However, existing silvicultural treatments may require adjustment.…”
Section: Ecology and Silviculture For Timber And Ntfp Managementmentioning
confidence: 99%
“…For example, skeptics question the extent to which economic returns from NTFPs and/other values are sufficient to outweigh the financial costs of modifying and/or applying RIL norms (Barreto et al, 1998;Pearce et al, 2003) and silvicultural practices needed for sustaining timber production over the long term (e.g., enrichment planting, Schulze, 2008;liberation thinning, Wadsworth and Zweede, 2006). Advocates of multiple-use forest management emphasize that by incorporating many forest goods and services, including the voices of different stakeholders, a social and financial edge can be gained over timberdominated models (Ashton et al, 2001;Campos et al, 2001;Hiremath, 2004;Wang and Wilson, 2007). This paper examines one of the possible combinations for multiple-use: extraction and management of timber and NTFPs.…”
Section: Introductionmentioning
confidence: 99%
“…Los dos casos con efectos positivos destacados proporcionaron información cuantitativa de un aumento de la disponibilidad de PFNM. Ashton et al (2001) determinaron que una especie de ratán (Calamus zeylanicus) aumentó su densidad de tallos de 2 a más de 10 tallos/ha después de la tala selectiva, mientras que Salick y Mejia (1995) documentaron aumentos porcentuales en especies de PFNM en 15 categorías de uso. Dos de los estudios proporcionaron información cualitativa sobre los efectos positivos o destacaron este tipo de hallazgos de otras fuentes de manera más general (Dickinson y Putz 1992;.…”
Section: Análisis De Bibliografía: Divergencias Y Complementariedadesunclassified
“…Además del estudio de Salick y Mejia (1995), todos los que documentaron efectos positivos se concentraron en las especies que responden bien al aumento de luz. Asimismo, estos ejemplos se concentraron en una única especie, o un subconjunto pequeño de especies, muchas de las cuales eran PFNM de valor comercial y no recursos de subsistencia (por ejemplo, Dickinson y Putz 1992; Ashton et al 2001;. Hubo dos estudios de impacto explícitos que no encontraron ningún efecto negativo de la tala en los PFNM.…”
Section: Análisis De Bibliografía: Divergencias Y Complementariedadesunclassified
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