Influence of litter on emergence and early growth of quercus rugosa a laboratory study
Species-rich old-growth forests dominated by Quercus wereextensive in the highlands of Chiapas until a few decades ago. Current land-use is resulting in replacement of Quercus by Pinusspp. in the canopy of the remaining forest fragments, which areless diverse, drier, and more exposed to freezing temperatures.Forest floor and soil are also modified and may limit theregeneration of many woody species. We studied the influence oflitter type (pine needles vs. oak leaves), litter depth (0, 3, 6and 14 cm), and litter cover (3 cm vs. 0 cm of loose litter ontop of sowed acorns) on the emergence and growth of seedlings ofQuercus rugosa, a dominant tree in pine-oak forests. Seedlingemergence and establishment were affected by the interaction ofexperimental factors. Uncovered acorns on pine litter were moreexposed to desiccation; this effect was more evident with deeperlitter. Acorns sowed on oak litter were not affected by levels oflitter cover and litter depth. The results can be of use indefining further field studies, and practices of direct seedingfor restoration of pine-dominated stands.
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Format: | Texto biblioteca |
Language: | eng |
Subjects: | Pinos, Germinación, Bosques, Robles, Hojarasca, Uso de la tierra, Artfrosur, |
Online Access: | http://link.springer.com/content/pdf/10.1023/A:1010623403834.pdf |
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KOHA-OAI-ECOSUR:310432024-03-12T12:49:04ZInfluence of litter on emergence and early growth of quercus rugosa a laboratory study López Barrera, Fabiola autor/a 14210 González Espinosa, Mario 1950- Doctor autor/a 5462 textengSpecies-rich old-growth forests dominated by Quercus wereextensive in the highlands of Chiapas until a few decades ago. Current land-use is resulting in replacement of Quercus by Pinusspp. in the canopy of the remaining forest fragments, which areless diverse, drier, and more exposed to freezing temperatures.Forest floor and soil are also modified and may limit theregeneration of many woody species. We studied the influence oflitter type (pine needles vs. oak leaves), litter depth (0, 3, 6and 14 cm), and litter cover (3 cm vs. 0 cm of loose litter ontop of sowed acorns) on the emergence and growth of seedlings ofQuercus rugosa, a dominant tree in pine-oak forests. Seedlingemergence and establishment were affected by the interaction ofexperimental factors. Uncovered acorns on pine litter were moreexposed to desiccation; this effect was more evident with deeperlitter. Acorns sowed on oak litter were not affected by levels oflitter cover and litter depth. The results can be of use indefining further field studies, and practices of direct seedingfor restoration of pine-dominated stands.Species-rich old-growth forests dominated by Quercus wereextensive in the highlands of Chiapas until a few decades ago. Current land-use is resulting in replacement of Quercus by Pinusspp. in the canopy of the remaining forest fragments, which areless diverse, drier, and more exposed to freezing temperatures.Forest floor and soil are also modified and may limit theregeneration of many woody species. We studied the influence oflitter type (pine needles vs. oak leaves), litter depth (0, 3, 6and 14 cm), and litter cover (3 cm vs. 0 cm of loose litter ontop of sowed acorns) on the emergence and growth of seedlings ofQuercus rugosa, a dominant tree in pine-oak forests. Seedlingemergence and establishment were affected by the interaction ofexperimental factors. Uncovered acorns on pine litter were moreexposed to desiccation; this effect was more evident with deeperlitter. Acorns sowed on oak litter were not affected by levels oflitter cover and litter depth. The results can be of use indefining further field studies, and practices of direct seedingfor restoration of pine-dominated stands.Adobe Acrobat profesional 6.0 o superiorPinosGerminaciónBosquesRoblesHojarascaUso de la tierraArtfrosurDisponible en líneaNew Forestshttp://link.springer.com/content/pdf/10.1023/A:1010623403834.pdfAcceso en línea sin restricciones |
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Pinos Germinación Bosques Robles Hojarasca Uso de la tierra Artfrosur Pinos Germinación Bosques Robles Hojarasca Uso de la tierra Artfrosur |
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Pinos Germinación Bosques Robles Hojarasca Uso de la tierra Artfrosur Pinos Germinación Bosques Robles Hojarasca Uso de la tierra Artfrosur López Barrera, Fabiola autor/a 14210 González Espinosa, Mario 1950- Doctor autor/a 5462 Influence of litter on emergence and early growth of quercus rugosa a laboratory study |
description |
Species-rich old-growth forests dominated by Quercus wereextensive in the highlands of Chiapas until a few decades ago. Current land-use is resulting in replacement of Quercus by Pinusspp. in the canopy of the remaining forest fragments, which areless diverse, drier, and more exposed to freezing temperatures.Forest floor and soil are also modified and may limit theregeneration of many woody species. We studied the influence oflitter type (pine needles vs. oak leaves), litter depth (0, 3, 6and 14 cm), and litter cover (3 cm vs. 0 cm of loose litter ontop of sowed acorns) on the emergence and growth of seedlings ofQuercus rugosa, a dominant tree in pine-oak forests. Seedlingemergence and establishment were affected by the interaction ofexperimental factors. Uncovered acorns on pine litter were moreexposed to desiccation; this effect was more evident with deeperlitter. Acorns sowed on oak litter were not affected by levels oflitter cover and litter depth. The results can be of use indefining further field studies, and practices of direct seedingfor restoration of pine-dominated stands. |
format |
Texto |
topic_facet |
Pinos Germinación Bosques Robles Hojarasca Uso de la tierra Artfrosur |
author |
López Barrera, Fabiola autor/a 14210 González Espinosa, Mario 1950- Doctor autor/a 5462 |
author_facet |
López Barrera, Fabiola autor/a 14210 González Espinosa, Mario 1950- Doctor autor/a 5462 |
author_sort |
López Barrera, Fabiola autor/a 14210 |
title |
Influence of litter on emergence and early growth of quercus rugosa a laboratory study |
title_short |
Influence of litter on emergence and early growth of quercus rugosa a laboratory study |
title_full |
Influence of litter on emergence and early growth of quercus rugosa a laboratory study |
title_fullStr |
Influence of litter on emergence and early growth of quercus rugosa a laboratory study |
title_full_unstemmed |
Influence of litter on emergence and early growth of quercus rugosa a laboratory study |
title_sort |
influence of litter on emergence and early growth of quercus rugosa a laboratory study |
url |
http://link.springer.com/content/pdf/10.1023/A:1010623403834.pdf |
work_keys_str_mv |
AT lopezbarrerafabiolaautora14210 influenceoflitteronemergenceandearlygrowthofquercusrugosaalaboratorystudy AT gonzalezespinosamario1950doctorautora5462 influenceoflitteronemergenceandearlygrowthofquercusrugosaalaboratorystudy |
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