SciELO - Scientific Electronic Library Online

 
vol.26 issue3Meiotic Behavior and Pollen Viability of Spondias mombin L.: Native Fruit Species of the AmazonAnthropogenic Disturbances Affect the Relationship Between Spectral Indices and the Biometric Variables of Brazilian Savannas author indexsubject indexarticles search
Home Pagealphabetic serial listing  

Services on Demand

Journal

Article

Indicators

Related links

Share


Floresta e Ambiente

Print version ISSN 1415-0980On-line version ISSN 2179-8087

Abstract

MARCON, Amanda Koche et al. Climatic Response of Cedrela fissilis Radial Growth in the Ombrophilous Mixed Forest, Paraná, Brazil. Floresta Ambient. [online]. 2019, vol.26, n.3, e20180361.  Epub July 15, 2019. ISSN 1415-0980.  http://dx.doi.org/10.1590/2179-8087.036118.

We examined the climatic response of Cedrela fissilis radial growth based on precipitation, air relative humidity, temperature and monthly thermal amplitude. It was intended to assess how the secondary growth of C. fissilis is influenced by the climatic variables and which one are the best growth predictors in Ombrophilous Mixed Forest, southern Brazil. Wood cores were processed using classical dendrochronology methodology. Principal Components Analysis, Generalized Linear Models and correlation were used to explore the relationship between radial growth and climate. Our results indicated that the best radial growth predictor is the temperature: the seasonal behavior, under well-watered conditions, seems to have a dominant effect on growth responses. Changes in tree growth corresponding to an increase in temperatures suggest a sensitivity of the species to climate changes. These results are important to help understand how the global warming may influence long-lived pioneer tree growth.

Keywords : dendrochronology; climate changes; dendroecology; Araucaria forest.

        · text in English     · English ( pdf )