期刊
FOREST ECOLOGY AND MANAGEMENT
卷 480, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.foreco.2020.118656
关键词
Drought recovery; Secondary growth; Dendrochronology; Atlantic Forest; Tropical trees; Climate change
类别
资金
- Laboratorio de Botanica Estrutural from Instituto de Pesquisas Jardim Botanico do Rio de Janeiro
- CNPq (Conselho Nacional de Desenvolvimento Cientifico Tecnologico)
- CAPES (Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior)
- PPBIO (Programa de Pesquisa em Biodiversidade)
- FAPERJ (Fundacao Carlos Chagas Filho de Amparo a Pesquisa do Estado do Rio de Janeiro)
Understanding how trees respond to climate change is crucial for conservation efforts, especially for tropical species. Tree ring analysis is a valuable method for studying growth dynamics, and this study found that different tree species in the same location have unique patterns of recovery.
Understanding the behavior of trees and how they will respond to future climate change is a crucial conservation challenge, especially for tropical species. Despite the high diversity of tree species in Brazil, little is known about their tolerance limits. The study of tree rings is a valuable method for the analysis of growth dynamics with superposed epoch analysis being a good way to understand whether past dry years induce decreased tree growth, how long it takes to recover growth after a dry period, and the resilience of trees. This study investigated seven legume species (deciduous and evergreen) from three different sites in the Atlantic Forest in the state of Rio de Janeiro, Brazil. The studied trees seem to have coped well with the drought periods experienced thus far with no common pattern of recovery among species at the same site. The trees were not affected in a similar way and so different mechanisms are likely involved in preventing significant decreases in growth. These data are important for conservation policies because they reveal that each species requires a unique analysis.
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