Do seasonal changes in light availability influence the inverse leafing phenology of the neotropical dry forest understory shrub Bonellia nervosa (Theophrastaceae)?

Detalles Bibliográficos
Autores principales: M. Chaves, Oscar, Ávalos, Gerardo
Formato: Online
Idioma:eng
Publicado: Universidad de Costa Rica 2008
Acceso en línea:https://revistas.ucr.ac.cr/index.php/rbt/article/view/5522
id RBT5522
record_format ojs
spelling RBT55222022-07-06T15:58:26Z Do seasonal changes in light availability influence the inverse leafing phenology of the neotropical dry forest understory shrub Bonellia nervosa (Theophrastaceae)? Do seasonal changes in light availability influence the inverse leafing phenology of the neotropical dry forest understory shrub Bonellia nervosa (Theophrastaceae)? M. Chaves, Oscar Ávalos, Gerardo Inducción fotoperiódica fenología inversa Bonellia nervosa Parque Nacional Santa Rosa Bosque Tropical Seco Photoperiodic induction inverse phenology Santa Rosa National Park tropical dry forest In tropical dry forests most plants are deciduous during the dry season and flush leaves with the onset of the rains. In Costa Rica, the only species displaying the opposite pattern is Bonellia nervosa. To determine if seasonal changes in light availability are associated with the leaf and reproductive phenology of this species, we monitored leaf production, survival, and life span, as well as flower and fruit production from April 2000 to October 2001 in Santa Rosa National Park. Leaf flushing and flower bud production took place shortly after the autumnal equinox when day length starts to decrease. Leaves began expansion at the end of the wet season, and plants reached 70 % of their maximum leaf area at the beginning of the dry season, maintaining their foliage throughout the entire dry period. Leaf shedding occurred gradually during the first three months of the wet season. Leaf flushing and shedding showed high synchrony, with leaf numbers being related to light availability. Maximum leaf production coincided with peaks in radiation during the middle of the dry season. Decreasing day length induces highly synchronous flower bud emergence in dry forest species, but this is the first study indicating induction of leaf flushing by declining day length. Universidad de Costa Rica 2008-03-01 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Article Text application/pdf https://revistas.ucr.ac.cr/index.php/rbt/article/view/5522 10.15517/rbt.v56i1.5522 Revista de Biología Tropical; Vol. 56 No. 1 (2008): Volume 56 – Regular number 1 – March 2008; 257–268 Revista de Biología Tropical; Vol. 56 Núm. 1 (2008): Volumen 56 – Número regular 1 – Marzo 2008; 257–268 Revista Biología Tropical; Vol. 56 N.º 1 (2008): Volume 56 – Regular number 1 – March 2008; 257–268 2215-2075 0034-7744 10.15517/rbt.v56i1 eng https://revistas.ucr.ac.cr/index.php/rbt/article/view/5522/5268 Copyright (c) 2008 Revista de Biología Tropical http://creativecommons.org/licenses/by/4.0
institution Universidad de Costa Rica
collection Revista de Biología Tropical
language eng
format Online
author M. Chaves, Oscar
Ávalos, Gerardo
spellingShingle M. Chaves, Oscar
Ávalos, Gerardo
Do seasonal changes in light availability influence the inverse leafing phenology of the neotropical dry forest understory shrub Bonellia nervosa (Theophrastaceae)?
author_facet M. Chaves, Oscar
Ávalos, Gerardo
author_sort M. Chaves, Oscar
title Do seasonal changes in light availability influence the inverse leafing phenology of the neotropical dry forest understory shrub Bonellia nervosa (Theophrastaceae)?
title_short Do seasonal changes in light availability influence the inverse leafing phenology of the neotropical dry forest understory shrub Bonellia nervosa (Theophrastaceae)?
title_full Do seasonal changes in light availability influence the inverse leafing phenology of the neotropical dry forest understory shrub Bonellia nervosa (Theophrastaceae)?
title_fullStr Do seasonal changes in light availability influence the inverse leafing phenology of the neotropical dry forest understory shrub Bonellia nervosa (Theophrastaceae)?
title_full_unstemmed Do seasonal changes in light availability influence the inverse leafing phenology of the neotropical dry forest understory shrub Bonellia nervosa (Theophrastaceae)?
title_sort do seasonal changes in light availability influence the inverse leafing phenology of the neotropical dry forest understory shrub bonellia nervosa (theophrastaceae)?
title_alt Do seasonal changes in light availability influence the inverse leafing phenology of the neotropical dry forest understory shrub Bonellia nervosa (Theophrastaceae)?
publisher Universidad de Costa Rica
publishDate 2008
url https://revistas.ucr.ac.cr/index.php/rbt/article/view/5522
work_keys_str_mv AT mchavesoscar doseasonalchangesinlightavailabilityinfluencetheinverseleafingphenologyoftheneotropicaldryforestunderstoryshrubbonellianervosatheophrastaceae
AT avalosgerardo doseasonalchangesinlightavailabilityinfluencetheinverseleafingphenologyoftheneotropicaldryforestunderstoryshrubbonellianervosatheophrastaceae
_version_ 1810114551099686912