The genus Cecropia: A biological clock to estimate the age of recently disturbed areas in the neotropics
Forest successional processes following disturbance take decades to play out, even in tropical forests. Nonetheless, records of vegetation change in this ecosystem are scarce, increasing the importance of the chronosequence approach to study forest recovery. However, this approach requires accurate dating of secondary forests, which until now was a difficult and/or expensive task. Cecropia is a widespread and abundant pioneer tree genus of the Neotropics. Here we propose and validate a rapid and straightforward method to estimate the age of secondary forest patches based on morphological observations of Cecropia trees. We found that Cecropia-inferred ages were highly correlated with known ages of the forest. We also demonstrate that Cecropia can be used to accurately date disturbances and propose twenty-one species distributed all over the geographical range of the genus as potential secondary forest chronometer species. Our method is limited in applicability by the maximal longevity of Cecropia individuals. Although the oldest chronosequence used in this study was 20 years old, we argue that at least for the first four decades after disturbance, the method described in this study provides very accurate estimations of secondary forest ages. The age of pioneer trees provides not only information needed to calculate the recovery of carbon stocks that would help to improve forest management, but also provides information needed to characterize the initial floristic composition and the rates of species remigration into secondary forest. Our contribution shows how successional studies can be reliably and inexpensively extended without the need to obtain forest ages based on expensive or potentially inaccurate data across the Neotropics.
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Subjects: | K01 - Foresterie - Considérations générales, P01 - Conservation de la nature et ressources foncières, U30 - Méthodes de recherche, K70 - Dégâts causés aux forêts et leur protection, forêt tropicale, forêt secondaire, détermination de l'âge, Cecropia, organisme indicateur, zone tropicale, méthode, dégradation de l'environnement, déboisement, http://aims.fao.org/aos/agrovoc/c_24904, http://aims.fao.org/aos/agrovoc/c_28144, http://aims.fao.org/aos/agrovoc/c_24110, http://aims.fao.org/aos/agrovoc/c_1405, http://aims.fao.org/aos/agrovoc/c_24040, http://aims.fao.org/aos/agrovoc/c_7979, http://aims.fao.org/aos/agrovoc/c_4788, http://aims.fao.org/aos/agrovoc/c_34821, http://aims.fao.org/aos/agrovoc/c_15590, |
Online Access: | http://agritrop.cirad.fr/566435/ http://agritrop.cirad.fr/566435/1/document_566435.pdf |
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dig-cirad-fr-5664352024-01-28T20:55:38Z http://agritrop.cirad.fr/566435/ http://agritrop.cirad.fr/566435/ The genus Cecropia: A biological clock to estimate the age of recently disturbed areas in the neotropics. Zalamea Paul-Camilo, Heuret Patrick, Sarmiento Carolina, Rodríguez Manuel, Berthouly Anne, Guitet Stéphane, Nicolini Eric-André, Delnatte César, Barthélémy Daniel, Stevenson Pablo R.. 2012. PloS One, 7 (8):e42643, 7 p.https://doi.org/10.1371/journal.pone.0042643 <https://doi.org/10.1371/journal.pone.0042643> The genus Cecropia: A biological clock to estimate the age of recently disturbed areas in the neotropics Zalamea, Paul-Camilo Heuret, Patrick Sarmiento, Carolina Rodríguez, Manuel Berthouly, Anne Guitet, Stéphane Nicolini, Eric-André Delnatte, César Barthélémy, Daniel Stevenson, Pablo R. eng 2012 PloS One K01 - Foresterie - Considérations générales P01 - Conservation de la nature et ressources foncières U30 - Méthodes de recherche K70 - Dégâts causés aux forêts et leur protection forêt tropicale forêt secondaire détermination de l'âge Cecropia organisme indicateur zone tropicale méthode dégradation de l'environnement déboisement http://aims.fao.org/aos/agrovoc/c_24904 http://aims.fao.org/aos/agrovoc/c_28144 http://aims.fao.org/aos/agrovoc/c_24110 http://aims.fao.org/aos/agrovoc/c_1405 http://aims.fao.org/aos/agrovoc/c_24040 http://aims.fao.org/aos/agrovoc/c_7979 http://aims.fao.org/aos/agrovoc/c_4788 http://aims.fao.org/aos/agrovoc/c_34821 http://aims.fao.org/aos/agrovoc/c_15590 Forest successional processes following disturbance take decades to play out, even in tropical forests. Nonetheless, records of vegetation change in this ecosystem are scarce, increasing the importance of the chronosequence approach to study forest recovery. However, this approach requires accurate dating of secondary forests, which until now was a difficult and/or expensive task. Cecropia is a widespread and abundant pioneer tree genus of the Neotropics. Here we propose and validate a rapid and straightforward method to estimate the age of secondary forest patches based on morphological observations of Cecropia trees. We found that Cecropia-inferred ages were highly correlated with known ages of the forest. We also demonstrate that Cecropia can be used to accurately date disturbances and propose twenty-one species distributed all over the geographical range of the genus as potential secondary forest chronometer species. Our method is limited in applicability by the maximal longevity of Cecropia individuals. Although the oldest chronosequence used in this study was 20 years old, we argue that at least for the first four decades after disturbance, the method described in this study provides very accurate estimations of secondary forest ages. The age of pioneer trees provides not only information needed to calculate the recovery of carbon stocks that would help to improve forest management, but also provides information needed to characterize the initial floristic composition and the rates of species remigration into secondary forest. Our contribution shows how successional studies can be reliably and inexpensively extended without the need to obtain forest ages based on expensive or potentially inaccurate data across the Neotropics. article info:eu-repo/semantics/article Journal Article info:eu-repo/semantics/publishedVersion http://agritrop.cirad.fr/566435/1/document_566435.pdf application/pdf Cirad license info:eu-repo/semantics/openAccess https://agritrop.cirad.fr/mention_legale.html https://doi.org/10.1371/journal.pone.0042643 10.1371/journal.pone.0042643 info:eu-repo/semantics/altIdentifier/doi/10.1371/journal.pone.0042643 info:eu-repo/semantics/altIdentifier/purl/https://doi.org/10.1371/journal.pone.0042643 |
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K01 - Foresterie - Considérations générales P01 - Conservation de la nature et ressources foncières U30 - Méthodes de recherche K70 - Dégâts causés aux forêts et leur protection forêt tropicale forêt secondaire détermination de l'âge Cecropia organisme indicateur zone tropicale méthode dégradation de l'environnement déboisement http://aims.fao.org/aos/agrovoc/c_24904 http://aims.fao.org/aos/agrovoc/c_28144 http://aims.fao.org/aos/agrovoc/c_24110 http://aims.fao.org/aos/agrovoc/c_1405 http://aims.fao.org/aos/agrovoc/c_24040 http://aims.fao.org/aos/agrovoc/c_7979 http://aims.fao.org/aos/agrovoc/c_4788 http://aims.fao.org/aos/agrovoc/c_34821 http://aims.fao.org/aos/agrovoc/c_15590 K01 - Foresterie - Considérations générales P01 - Conservation de la nature et ressources foncières U30 - Méthodes de recherche K70 - Dégâts causés aux forêts et leur protection forêt tropicale forêt secondaire détermination de l'âge Cecropia organisme indicateur zone tropicale méthode dégradation de l'environnement déboisement http://aims.fao.org/aos/agrovoc/c_24904 http://aims.fao.org/aos/agrovoc/c_28144 http://aims.fao.org/aos/agrovoc/c_24110 http://aims.fao.org/aos/agrovoc/c_1405 http://aims.fao.org/aos/agrovoc/c_24040 http://aims.fao.org/aos/agrovoc/c_7979 http://aims.fao.org/aos/agrovoc/c_4788 http://aims.fao.org/aos/agrovoc/c_34821 http://aims.fao.org/aos/agrovoc/c_15590 |
spellingShingle |
K01 - Foresterie - Considérations générales P01 - Conservation de la nature et ressources foncières U30 - Méthodes de recherche K70 - Dégâts causés aux forêts et leur protection forêt tropicale forêt secondaire détermination de l'âge Cecropia organisme indicateur zone tropicale méthode dégradation de l'environnement déboisement http://aims.fao.org/aos/agrovoc/c_24904 http://aims.fao.org/aos/agrovoc/c_28144 http://aims.fao.org/aos/agrovoc/c_24110 http://aims.fao.org/aos/agrovoc/c_1405 http://aims.fao.org/aos/agrovoc/c_24040 http://aims.fao.org/aos/agrovoc/c_7979 http://aims.fao.org/aos/agrovoc/c_4788 http://aims.fao.org/aos/agrovoc/c_34821 http://aims.fao.org/aos/agrovoc/c_15590 K01 - Foresterie - Considérations générales P01 - Conservation de la nature et ressources foncières U30 - Méthodes de recherche K70 - Dégâts causés aux forêts et leur protection forêt tropicale forêt secondaire détermination de l'âge Cecropia organisme indicateur zone tropicale méthode dégradation de l'environnement déboisement http://aims.fao.org/aos/agrovoc/c_24904 http://aims.fao.org/aos/agrovoc/c_28144 http://aims.fao.org/aos/agrovoc/c_24110 http://aims.fao.org/aos/agrovoc/c_1405 http://aims.fao.org/aos/agrovoc/c_24040 http://aims.fao.org/aos/agrovoc/c_7979 http://aims.fao.org/aos/agrovoc/c_4788 http://aims.fao.org/aos/agrovoc/c_34821 http://aims.fao.org/aos/agrovoc/c_15590 Zalamea, Paul-Camilo Heuret, Patrick Sarmiento, Carolina Rodríguez, Manuel Berthouly, Anne Guitet, Stéphane Nicolini, Eric-André Delnatte, César Barthélémy, Daniel Stevenson, Pablo R. The genus Cecropia: A biological clock to estimate the age of recently disturbed areas in the neotropics |
description |
Forest successional processes following disturbance take decades to play out, even in tropical forests. Nonetheless, records of vegetation change in this ecosystem are scarce, increasing the importance of the chronosequence approach to study forest recovery. However, this approach requires accurate dating of secondary forests, which until now was a difficult and/or expensive task. Cecropia is a widespread and abundant pioneer tree genus of the Neotropics. Here we propose and validate a rapid and straightforward method to estimate the age of secondary forest patches based on morphological observations of Cecropia trees. We found that Cecropia-inferred ages were highly correlated with known ages of the forest. We also demonstrate that Cecropia can be used to accurately date disturbances and propose twenty-one species distributed all over the geographical range of the genus as potential secondary forest chronometer species. Our method is limited in applicability by the maximal longevity of Cecropia individuals. Although the oldest chronosequence used in this study was 20 years old, we argue that at least for the first four decades after disturbance, the method described in this study provides very accurate estimations of secondary forest ages. The age of pioneer trees provides not only information needed to calculate the recovery of carbon stocks that would help to improve forest management, but also provides information needed to characterize the initial floristic composition and the rates of species remigration into secondary forest. Our contribution shows how successional studies can be reliably and inexpensively extended without the need to obtain forest ages based on expensive or potentially inaccurate data across the Neotropics. |
format |
article |
topic_facet |
K01 - Foresterie - Considérations générales P01 - Conservation de la nature et ressources foncières U30 - Méthodes de recherche K70 - Dégâts causés aux forêts et leur protection forêt tropicale forêt secondaire détermination de l'âge Cecropia organisme indicateur zone tropicale méthode dégradation de l'environnement déboisement http://aims.fao.org/aos/agrovoc/c_24904 http://aims.fao.org/aos/agrovoc/c_28144 http://aims.fao.org/aos/agrovoc/c_24110 http://aims.fao.org/aos/agrovoc/c_1405 http://aims.fao.org/aos/agrovoc/c_24040 http://aims.fao.org/aos/agrovoc/c_7979 http://aims.fao.org/aos/agrovoc/c_4788 http://aims.fao.org/aos/agrovoc/c_34821 http://aims.fao.org/aos/agrovoc/c_15590 |
author |
Zalamea, Paul-Camilo Heuret, Patrick Sarmiento, Carolina Rodríguez, Manuel Berthouly, Anne Guitet, Stéphane Nicolini, Eric-André Delnatte, César Barthélémy, Daniel Stevenson, Pablo R. |
author_facet |
Zalamea, Paul-Camilo Heuret, Patrick Sarmiento, Carolina Rodríguez, Manuel Berthouly, Anne Guitet, Stéphane Nicolini, Eric-André Delnatte, César Barthélémy, Daniel Stevenson, Pablo R. |
author_sort |
Zalamea, Paul-Camilo |
title |
The genus Cecropia: A biological clock to estimate the age of recently disturbed areas in the neotropics |
title_short |
The genus Cecropia: A biological clock to estimate the age of recently disturbed areas in the neotropics |
title_full |
The genus Cecropia: A biological clock to estimate the age of recently disturbed areas in the neotropics |
title_fullStr |
The genus Cecropia: A biological clock to estimate the age of recently disturbed areas in the neotropics |
title_full_unstemmed |
The genus Cecropia: A biological clock to estimate the age of recently disturbed areas in the neotropics |
title_sort |
genus cecropia: a biological clock to estimate the age of recently disturbed areas in the neotropics |
url |
http://agritrop.cirad.fr/566435/ http://agritrop.cirad.fr/566435/1/document_566435.pdf |
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