Four decades of forest persistence, clearance and logging on Borneo
The native forests of Borneo have been impacted by selective logging, fire, and conversion to plantations at unprecedented scales since industrial-scale extractive industries began in the early 1970s. There is no island-wide documentation of forest clearance or logging since the 1970s. This creates...
| Autores principales: | , , , , , , , , , , |
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| Formato: | Journal Article |
| Lenguaje: | Inglés |
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Public Library of Science
2014
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| Materias: | |
| Acceso en línea: | https://hdl.handle.net/10568/94700 |
| _version_ | 1855521723532705792 |
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| author | Gaveau, D.L.A. Sloan, S. Molidena, E Yaen, H Sheil, D. Abram, N.K. Ancrenaz, M. Nasi, Robert Quinones, M. Wielaard, N. Meijaard, E. |
| author_browse | Abram, N.K. Ancrenaz, M. Gaveau, D.L.A. Meijaard, E. Molidena, E Nasi, Robert Quinones, M. Sheil, D. Sloan, S. Wielaard, N. Yaen, H |
| author_facet | Gaveau, D.L.A. Sloan, S. Molidena, E Yaen, H Sheil, D. Abram, N.K. Ancrenaz, M. Nasi, Robert Quinones, M. Wielaard, N. Meijaard, E. |
| author_sort | Gaveau, D.L.A. |
| collection | Repository of Agricultural Research Outputs (CGSpace) |
| description | The native forests of Borneo have been impacted by selective logging, fire, and conversion to plantations at unprecedented scales since industrial-scale extractive industries began in the early 1970s. There is no island-wide documentation of forest clearance or logging since the 1970s. This creates an information gap for conservation planning, especially with regard to selectively logged forests that maintain high conservation potential. Analysing LANDSAT images, we estimate that 75.7% (558,060 km2) of Borneo's area (737,188 km2) was forested around 1973. Based upon a forest cover map for 2010 derived using ALOS-PALSAR and visually reviewing LANDSAT images, we estimate that the 1973 forest area had declined by 168,493 km2 (30.2%) in 2010. The highest losses were recorded in Sabah and Kalimantan with 39.5% and 30.7% of their total forest area in 1973 becoming non-forest in 2010, and the lowest in Brunei and Sarawak (8.4%, and 23.1%). We estimate that the combined area planted in industrial oil palm and timber plantations in 2010 was 75,480 km2, representing 10% of Borneo. We mapped 271,819 km of primary logging roads that were created between 1973 and 2010. The greatest density of logging roads was found in Sarawak, at 0.89 km km−2, and the lowest density in Brunei, at 0.18 km km−2. Analyzing MODIS-based tree cover maps, we estimate that logging operated within 700 m of primary logging roads. Using this distance, we estimate that 266,257 km2 of 1973 forest cover has been logged. With 389,566 km2 (52.8%) of the island remaining forested, of which 209,649 km2 remains intact. There is still hope for biodiversity conservation in Borneo. Protecting logged forests from fire and conversion to plantations is an urgent priority for reducing rates of deforestation in Borneo. |
| format | Journal Article |
| id | CGSpace94700 |
| institution | CGIAR Consortium |
| language | Inglés |
| publishDate | 2014 |
| publishDateRange | 2014 |
| publishDateSort | 2014 |
| publisher | Public Library of Science |
| publisherStr | Public Library of Science |
| record_format | dspace |
| spelling | CGSpace947002025-06-17T08:23:33Z Four decades of forest persistence, clearance and logging on Borneo Gaveau, D.L.A. Sloan, S. Molidena, E Yaen, H Sheil, D. Abram, N.K. Ancrenaz, M. Nasi, Robert Quinones, M. Wielaard, N. Meijaard, E. conservation forests timber trees The native forests of Borneo have been impacted by selective logging, fire, and conversion to plantations at unprecedented scales since industrial-scale extractive industries began in the early 1970s. There is no island-wide documentation of forest clearance or logging since the 1970s. This creates an information gap for conservation planning, especially with regard to selectively logged forests that maintain high conservation potential. Analysing LANDSAT images, we estimate that 75.7% (558,060 km2) of Borneo's area (737,188 km2) was forested around 1973. Based upon a forest cover map for 2010 derived using ALOS-PALSAR and visually reviewing LANDSAT images, we estimate that the 1973 forest area had declined by 168,493 km2 (30.2%) in 2010. The highest losses were recorded in Sabah and Kalimantan with 39.5% and 30.7% of their total forest area in 1973 becoming non-forest in 2010, and the lowest in Brunei and Sarawak (8.4%, and 23.1%). We estimate that the combined area planted in industrial oil palm and timber plantations in 2010 was 75,480 km2, representing 10% of Borneo. We mapped 271,819 km of primary logging roads that were created between 1973 and 2010. The greatest density of logging roads was found in Sarawak, at 0.89 km km−2, and the lowest density in Brunei, at 0.18 km km−2. Analyzing MODIS-based tree cover maps, we estimate that logging operated within 700 m of primary logging roads. Using this distance, we estimate that 266,257 km2 of 1973 forest cover has been logged. With 389,566 km2 (52.8%) of the island remaining forested, of which 209,649 km2 remains intact. There is still hope for biodiversity conservation in Borneo. Protecting logged forests from fire and conversion to plantations is an urgent priority for reducing rates of deforestation in Borneo. 2014 2018-07-03T11:01:39Z 2018-07-03T11:01:39Z Journal Article https://hdl.handle.net/10568/94700 en Open Access Public Library of Science Gaveau, D.L.A., Sloan, S., Molidena, E., Yaen, H., Sheil, D., Abram, N. K., Ancrenaz, M., Nasi, R., Quinones, M., Wielaard, N., Meijaard, E. . 2014. Four decades of forest persistence, clearance and logging on Borneo PLoS ONE, 9 (7) : e101654. https://doi.org/10.1371/journal.pone.0101654 |
| spellingShingle | conservation forests timber trees Gaveau, D.L.A. Sloan, S. Molidena, E Yaen, H Sheil, D. Abram, N.K. Ancrenaz, M. Nasi, Robert Quinones, M. Wielaard, N. Meijaard, E. Four decades of forest persistence, clearance and logging on Borneo |
| title | Four decades of forest persistence, clearance and logging on Borneo |
| title_full | Four decades of forest persistence, clearance and logging on Borneo |
| title_fullStr | Four decades of forest persistence, clearance and logging on Borneo |
| title_full_unstemmed | Four decades of forest persistence, clearance and logging on Borneo |
| title_short | Four decades of forest persistence, clearance and logging on Borneo |
| title_sort | four decades of forest persistence clearance and logging on borneo |
| topic | conservation forests timber trees |
| url | https://hdl.handle.net/10568/94700 |
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