Light-related variation in sapling architecture of three shade-tolerant tree species of the Mexican rain forest

The crown architecture of three shade-tolerant tree species (two subcanopy and one mid-canopy) was analyzed in relation to the light regime of the forest understorey. The aim was to examine to which extent shade-tolerant species variate in their crown architecture. Tree saplings (265) between 50 and...

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Autores principales:	MARTÍNEZ-SÁNCHEZ,JOSÉ LUIS, MEAVE,JORGE A, BONGERS,FRANS
Lenguaje:	English
Publicado:	Sociedad de Biología de Chile 2008
Materias:	actinometry allometry growth type phenotypic plasticity tree morphology
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-078X2008000300005
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spelling	oai:scielo:S0716-078X20080003000052009-04-24Light-related variation in sapling architecture of three shade-tolerant tree species of the Mexican rain forestMARTÍNEZ-SÁNCHEZ,JOSÉ LUISMEAVE,JORGE ABONGERS,FRANS actinometry allometry growth type phenotypic plasticity tree morphology The crown architecture of three shade-tolerant tree species (two subcanopy and one mid-canopy) was analyzed in relation to the light regime of the forest understorey. The aim was to examine to which extent shade-tolerant species variate in their crown architecture. Tree saplings (265) between 50 and 300 cm height, and distributed from understorey to variously-sized canopy gaps, were measured for 13 architectural traits in the lowland rain forest of Los Tuxtlas, México. The analysis showed that the three species changed their architecture as light increased but in a different way. No species conformed to the typical wide-crown type expected for shade-tolerant species, and in contrast they presented some traits of light demanding species. The two sub-canopy species tended to adopt a crown form between a narrow- and wide-crown type, and the mid-canopy species showed more traits of a narrow-crown type. The horizontal crown area appeared as the more related trait to the light and sapling height. It is concluded that despite being shade-tolerant, the studied species make use of better-lit environments in the forest understorey. The crown architecture of shade-tolerant species is not as rigid as originally conceived.info:eu-repo/semantics/openAccessSociedad de Biología de ChileRevista chilena de historia natural v.81 n.3 20082008-09-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-078X2008000300005en10.4067/S0716-078X2008000300005
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	actinometry allometry growth type phenotypic plasticity tree morphology
spellingShingle	actinometry allometry growth type phenotypic plasticity tree morphology MARTÍNEZ-SÁNCHEZ,JOSÉ LUIS MEAVE,JORGE A BONGERS,FRANS Light-related variation in sapling architecture of three shade-tolerant tree species of the Mexican rain forest
description	The crown architecture of three shade-tolerant tree species (two subcanopy and one mid-canopy) was analyzed in relation to the light regime of the forest understorey. The aim was to examine to which extent shade-tolerant species variate in their crown architecture. Tree saplings (265) between 50 and 300 cm height, and distributed from understorey to variously-sized canopy gaps, were measured for 13 architectural traits in the lowland rain forest of Los Tuxtlas, México. The analysis showed that the three species changed their architecture as light increased but in a different way. No species conformed to the typical wide-crown type expected for shade-tolerant species, and in contrast they presented some traits of light demanding species. The two sub-canopy species tended to adopt a crown form between a narrow- and wide-crown type, and the mid-canopy species showed more traits of a narrow-crown type. The horizontal crown area appeared as the more related trait to the light and sapling height. It is concluded that despite being shade-tolerant, the studied species make use of better-lit environments in the forest understorey. The crown architecture of shade-tolerant species is not as rigid as originally conceived.
author	MARTÍNEZ-SÁNCHEZ,JOSÉ LUIS MEAVE,JORGE A BONGERS,FRANS
author_facet	MARTÍNEZ-SÁNCHEZ,JOSÉ LUIS MEAVE,JORGE A BONGERS,FRANS
author_sort	MARTÍNEZ-SÁNCHEZ,JOSÉ LUIS
title	Light-related variation in sapling architecture of three shade-tolerant tree species of the Mexican rain forest
title_short	Light-related variation in sapling architecture of three shade-tolerant tree species of the Mexican rain forest
title_full	Light-related variation in sapling architecture of three shade-tolerant tree species of the Mexican rain forest
title_fullStr	Light-related variation in sapling architecture of three shade-tolerant tree species of the Mexican rain forest
title_full_unstemmed	Light-related variation in sapling architecture of three shade-tolerant tree species of the Mexican rain forest
title_sort	light-related variation in sapling architecture of three shade-tolerant tree species of the mexican rain forest
publisher	Sociedad de Biología de Chile
publishDate	2008
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-078X2008000300005
work_keys_str_mv	AT martinezsanchezjoseluis lightrelatedvariationinsaplingarchitectureofthreeshadetoleranttreespeciesofthemexicanrainforest AT meavejorgea lightrelatedvariationinsaplingarchitectureofthreeshadetoleranttreespeciesofthemexicanrainforest AT bongersfrans lightrelatedvariationinsaplingarchitectureofthreeshadetoleranttreespeciesofthemexicanrainforest
_version_	1718439615438782464

Light-related variation in sapling architecture of three shade-tolerant tree species of the Mexican rain forest

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