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Interspecific differences in tree growth and mortality responses to environmental drivers determine potential species distributional limits in Iberian forests

Global ecology and biogeography, 2013-10, Vol.22 (10), p.1141-1151 [Peer Reviewed Journal]

Copyright © 2013 John Wiley & Sons Ltd. ;2013 John Wiley & Sons Ltd ;2014 INIST-CNRS ;Attribution - ShareAlike ;ISSN: 1466-822X ;EISSN: 1466-8238 ;DOI: 10.1111/geb.12075 ;CODEN: GEBIFS

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Title:
Interspecific differences in tree growth and mortality responses to environmental drivers determine potential species distributional limits in Iberian forests
Author: Benito-Garzón, Marta ; Ruiz-Benito, Paloma ; Zavala, Miguel A.
Subjects: Animal and plant ecology ; Animal, plant and microbial ecology ; Biodiversity and Ecology ; Biological and medical sciences ; Climate change ; Climatology. Bioclimatology. Climate change ; Competition ; demographic rates ; Demography ; Earth, ocean, space ; Ecological modeling ; Environmental Sciences ; Exact sciences and technology ; External geophysics ; Forest ecology ; Forestry ; Fundamental and applied biological sciences. Psychology ; General aspects ; General forest ecology ; Generalities. Production, biomass. Quality of wood and forest products. General forest ecology ; Global Changes ; Global climate models ; Meteorology ; Mortality ; National Forest Inventory ; phenotypic variability ; Plant ecology ; Spain ; Species ; species distributional models ; Synecology ; Tree growth ; tree mortality ; Trees
Is Part Of: Global ecology and biogeography, 2013-10, Vol.22 (10), p.1141-1151
Description: Aim: Tree growth may be enhanced by carbon dioxide fertilization unless drought stress becomes too severe, yet the likely increase in tree growth under a warmer climate is still controversial. Tree mortality has increased in some regions, but its multifactorial nature makes the prediction of likely global trends difficult. The aims of this work are: (1) to assess which abiotic, structural and competition factors influence tree growth and tree mortality in mainland Spain, and (2) to evaluate whether these processes would drive species distributions and would improve current niche model predictions. Location: Continental Spain. Methods: We projected species distributional models by integrating nonparametric tree growth and tree mortality models based on repeated surveys of diameter at breast height and mortality for 40,721 trees distributed in 45,301 plots, which include the 11 most common canopy tree species in continental Spain, as measured in the second and third National Forest Inventories, with a mean lag time of 11 years. Results: Tree growth and tree mortality were explained by an assemblage of many factors, among which climate and competition played a key role. The accuracy of models including tree growth and tree mortality in predicting tree habitat suitability was comparable to classical niche models based on species occurrence. Projections under climate change showed for 9 out of 11 species, a likely increase in tree growth that would be counteracted by an increase in tree mortality, suggesting that even if growth rates increase, mortality would limit the species ranges under global warming expectations. Main conclusions: Growth and mortality are major determinants of species distributions. Under future climate change expectations, our model suggests that growth may increase for some Iberian species, but even in this case, species ranges at the rear edge would be limited by an increase in mortality rates.
Publisher: Oxford: Blackwell Publishing Ltd
Language: English
Identifier: ISSN: 1466-822X
EISSN: 1466-8238
DOI: 10.1111/geb.12075
CODEN: GEBIFS
Source: Alma/SFX Local Collection

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Interspecific differences in tree growth and mortality responses to environmental drivers determine potential species distributional limits in Iberian forests

Copyright © 2013 John Wiley & Sons Ltd. ;2013 John Wiley & Sons Ltd ;2014 INIST-CNRS ;Attribution - ShareAlike ;ISSN: 1466-822X ;EISSN: 1466-8238 ;DOI: 10.1111/geb.12075 ;CODEN: GEBIFS

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