Diameter increment patterns among 106 tree species in a logged and silviculturally treated Costa Rican rain forest
Studies of growth rates of trees in managed neotropical forests have rarely employed complete botanical identification of all species, while published information for Central american lowland rain forests largely concerns forest free of recent disturbance. We studied diameter increments of trees in a managed Costa Rican rain forest. The Pentaclethra macroloba-dominated forest was located on low hills with Ultisols in Holdridge's Tropical Wet Forest life zone. The 540 x 540 m (29.2 ha) experimental area was lightly logged during 1989-1990. The 180 m x 180 m (3.24 ha) experimental plots comprised a 100 m x 100 m (1.0 ha) central permanent sample plot (PSP) with a 40-m wide buffer strip. Post-harvest silvicultural treatments werte liberation/refinement (in 1991) and shelterwood (in 1992), applied under a complete randomized block design with three replicates, using logged but untreated plots as controls. All live trees ó10 cm DBH in the PSPs, were identified to species
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Costa Rica Centro Agronómico Tropical de Investigación y Enseñanza (CATIE)
1999
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| Subjects: | ARBOLES FORESTALES, ORDENACION FORESTAL, INCREMENTO DE DIAMETRO, BOSQUE HUMEDO, CRECIMIENTO, COSTA RICA, |
| Online Access: | https://repositorio.catie.ac.cr/handle/11554/1221 http://www.sciencedirect.com/science/article/pii/S0378112798005519 |
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ARBOLES FORESTALES ORDENACION FORESTAL INCREMENTO DE DIAMETRO BOSQUE HUMEDO CRECIMIENTO COSTA RICA ARBOLES FORESTALES ORDENACION FORESTAL INCREMENTO DE DIAMETRO BOSQUE HUMEDO CRECIMIENTO COSTA RICA |
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ARBOLES FORESTALES ORDENACION FORESTAL INCREMENTO DE DIAMETRO BOSQUE HUMEDO CRECIMIENTO COSTA RICA ARBOLES FORESTALES ORDENACION FORESTAL INCREMENTO DE DIAMETRO BOSQUE HUMEDO CRECIMIENTO COSTA RICA 53168 Camacho, Marlen 132982 Zamora, N. 67702 Finegan, Bryan 1950-2015 Diameter increment patterns among 106 tree species in a logged and silviculturally treated Costa Rican rain forest |
| description |
Studies of growth rates of trees in managed neotropical forests have rarely employed complete botanical identification of all species, while published information for Central american lowland rain forests largely concerns forest free of recent disturbance. We studied diameter increments of trees in a managed Costa Rican rain forest. The Pentaclethra macroloba-dominated forest was located on low hills with Ultisols in Holdridge's Tropical Wet Forest life zone. The 540 x 540 m (29.2 ha) experimental area was lightly logged during 1989-1990. The 180 m x 180 m (3.24 ha) experimental plots comprised a 100 m x 100 m (1.0 ha) central permanent sample plot (PSP) with a 40-m wide buffer strip. Post-harvest silvicultural treatments werte liberation/refinement (in 1991) and shelterwood (in 1992), applied under a complete randomized block design with three replicates, using logged but untreated plots as controls. All live trees ó10 cm DBH in the PSPs, were identified to species |
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ARBOLES FORESTALES ORDENACION FORESTAL INCREMENTO DE DIAMETRO BOSQUE HUMEDO CRECIMIENTO COSTA RICA |
| author |
53168 Camacho, Marlen 132982 Zamora, N. 67702 Finegan, Bryan 1950-2015 |
| author_facet |
53168 Camacho, Marlen 132982 Zamora, N. 67702 Finegan, Bryan 1950-2015 |
| author_sort |
53168 Camacho, Marlen |
| title |
Diameter increment patterns among 106 tree species in a logged and silviculturally treated Costa Rican rain forest |
| title_short |
Diameter increment patterns among 106 tree species in a logged and silviculturally treated Costa Rican rain forest |
| title_full |
Diameter increment patterns among 106 tree species in a logged and silviculturally treated Costa Rican rain forest |
| title_fullStr |
Diameter increment patterns among 106 tree species in a logged and silviculturally treated Costa Rican rain forest |
| title_full_unstemmed |
Diameter increment patterns among 106 tree species in a logged and silviculturally treated Costa Rican rain forest |
| title_sort |
diameter increment patterns among 106 tree species in a logged and silviculturally treated costa rican rain forest |
| publisher |
Costa Rica Centro Agronómico Tropical de Investigación y Enseñanza (CATIE) |
| publishDate |
1999 |
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https://repositorio.catie.ac.cr/handle/11554/1221 http://www.sciencedirect.com/science/article/pii/S0378112798005519 |
| work_keys_str_mv |
AT 53168camachomarlen diameterincrementpatternsamong106treespeciesinaloggedandsilviculturallytreatedcostaricanrainforest AT 132982zamoran diameterincrementpatternsamong106treespeciesinaloggedandsilviculturallytreatedcostaricanrainforest AT 67702fineganbryan19502015 diameterincrementpatternsamong106treespeciesinaloggedandsilviculturallytreatedcostaricanrainforest |
| _version_ |
1756062776883675137 |
| spelling |
KOHA-OAI-BVE:1103332022-06-09T17:43:24ZDiameter increment patterns among 106 tree species in a logged and silviculturally treated Costa Rican rain forest 53168 Camacho, Marlen 132982 Zamora, N. 67702 Finegan, Bryan 1950-2015 Costa Rica Centro Agronómico Tropical de Investigación y Enseñanza (CATIE)1999spapdfpdfStudies of growth rates of trees in managed neotropical forests have rarely employed complete botanical identification of all species, while published information for Central american lowland rain forests largely concerns forest free of recent disturbance. We studied diameter increments of trees in a managed Costa Rican rain forest. The Pentaclethra macroloba-dominated forest was located on low hills with Ultisols in Holdridge's Tropical Wet Forest life zone. The 540 x 540 m (29.2 ha) experimental area was lightly logged during 1989-1990. The 180 m x 180 m (3.24 ha) experimental plots comprised a 100 m x 100 m (1.0 ha) central permanent sample plot (PSP) with a 40-m wide buffer strip. Post-harvest silvicultural treatments werte liberation/refinement (in 1991) and shelterwood (in 1992), applied under a complete randomized block design with three replicates, using logged but untreated plots as controls. All live trees ó10 cm DBH in the PSPs, were identified to speciesdata reported are for 1993-1996. Cluster analysis was used to group species on the basis of the median and quartiles of their diameter increment distributions, separating data by silvicultural treatmentsfive diameter increment groups were established and subdivided on the basis of the adult height of each species (four categories), giving 17 species groups in the final classification. Adult height and silvicultural treatment made a significant contribution to growth rate variation. Median annual increments of the slowest-growing species groups, which featured many under -and middle story soecies, were ca. 1 mmthose for the fastest growing species, which wee mainly canopy and emergents, were ca. 16 mm. All species, in the groups of very fast growth were pioneers, whether short or long-lived, though many other pioneer species did not show fast growth. The proportions of species found in groups of moderate, fast or very fast growth were greater in the silviculturally treated plots than in the controls, and one complete diameter increment group, of fast growth, was only represented in the treated plots. Crown form, crown illumination and presence of lianas in the crown, showed significant correlations with diameter increments, though the importance of these latter two variables varied with silvicultural treatment. The very fast growth groups differed from the others in having higher proportions of trees with well-formed, well-illuminated crowns and an irregular diameter distribution with relatively few individuals in the smallest DBH class. Comparison with data from other neotropical forest sites, shows that long-lived pioneers such as Vochysia ferruginea and Jacaranda copaia grow fast or very fast at all sites, while non-commercial canopy and emergent species of Chrysobalanaceae and Sapotaceae appear to be uniformly slow-growing. Growth data for tha majority of species are, however, published for the first time.Incluye 27 referencias bibliográficas.Studies of growth rates of trees in managed neotropical forests have rarely employed complete botanical identification of all species, while published information for Central american lowland rain forests largely concerns forest free of recent disturbance. We studied diameter increments of trees in a managed Costa Rican rain forest. The Pentaclethra macroloba-dominated forest was located on low hills with Ultisols in Holdridge's Tropical Wet Forest life zone. The 540 x 540 m (29.2 ha) experimental area was lightly logged during 1989-1990. The 180 m x 180 m (3.24 ha) experimental plots comprised a 100 m x 100 m (1.0 ha) central permanent sample plot (PSP) with a 40-m wide buffer strip. Post-harvest silvicultural treatments werte liberation/refinement (in 1991) and shelterwood (in 1992), applied under a complete randomized block design with three replicates, using logged but untreated plots as controls. All live trees ó10 cm DBH in the PSPs, were identified to speciesdata reported are for 1993-1996. Cluster analysis was used to group species on the basis of the median and quartiles of their diameter increment distributions, separating data by silvicultural treatmentsfive diameter increment groups were established and subdivided on the basis of the adult height of each species (four categories), giving 17 species groups in the final classification. Adult height and silvicultural treatment made a significant contribution to growth rate variation. Median annual increments of the slowest-growing species groups, which featured many under -and middle story soecies, were ca. 1 mmthose for the fastest growing species, which wee mainly canopy and emergents, were ca. 16 mm. All species, in the groups of very fast growth were pioneers, whether short or long-lived, though many other pioneer species did not show fast growth. The proportions of species found in groups of moderate, fast or very fast growth were greater in the silviculturally treated plots than in the controls, and one complete diameter increment group, of fast growth, was only represented in the treated plots. Crown form, crown illumination and presence of lianas in the crown, showed significant correlations with diameter increments, though the importance of these latter two variables varied with silvicultural treatment. The very fast growth groups differed from the others in having higher proportions of trees with well-formed, well-illuminated crowns and an irregular diameter distribution with relatively few individuals in the smallest DBH class. Comparison with data from other neotropical forest sites, shows that long-lived pioneers such as Vochysia ferruginea and Jacaranda copaia grow fast or very fast at all sites, while non-commercial canopy and emergent species of Chrysobalanaceae and Sapotaceae appear to be uniformly slow-growing. Growth data for tha majority of species are, however, published for the first time.ARBOLES FORESTALESORDENACION FORESTALINCREMENTO DE DIAMETROBOSQUE HUMEDOCRECIMIENTOCOSTA RICAForest Ecology and Management (Países Bajos)https://repositorio.catie.ac.cr/handle/11554/1221http://www.sciencedirect.com/science/article/pii/S0378112798005519 |