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Selective logging and its relation to deforestationAuthor(s): Gregory P. Asner; Michael Keller; Marco Lentini; Frank Merry; Souza Jr. Carlos
Source: Amazonia and global change. Geophysical Monograph Series. Vol. 186. Washington, DC: American Geophysical Union. p. 25-42.
Publication Series: Book Chapter
Station: International Institute of Tropical Forestry
PDF: View PDF (18.49 MB)
DescriptionSelective logging is a major contributor to the social, economic, and ecological dynamics of Brazilian Amazonia. Logging activities have expanded from low-volume floodplain harvests in past centuries to high-volume operations today that take about 25 million m3 of wood from the forest each year. The most common high-impact conventional and often illegal logging practices result in major collateral forest damage, with cascading effects on ecosystem processes. Initial carbon losses and forest recovery rates following timber harvest are tightly linked to initial logging intensity, which drives changes in forest gap fraction, fragmentation, and the light environment. Other ecological processes affected by selective logging include nutrient cycling, hydrological function, and postharvest disturbance such as fire. This chapter synthesizes the ecological impacts of selective logging, in the context of the recent socioeconomic conditions throughout Brazilian Amazonia, as determined from field-based and remote sensing studies carried out during the Large-Scale Biosphere-Atmosphere Experiment in Amazonia program.
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CitationAsner, Gregory P.; Keller, Michael; Lentini, Marco; Merry, Frank; Souza, Jr., Carlos. 2009. Selective logging and its relation to deforestation. In: Keller, M.; Bustamente, M.; Gash, J.; Dias, P.S., eds. Amazonia and global change. Geophysical Monograph Series. Vol. 186. Washington, DC: American Geophysical Union. p. 25-42.
Keywordsselective logging, forest recovery rates, Brazil, carbon losses
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