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Lianas and trees exhibit divergent intrinsic water-use efficiency along elevational gradients in South American and African tropical forests

Francis Mumbanza Mundondo (UGent) , Marijn Bauters (UGent) , Félicien Meunier (UGent) , Pascal Boeckx (UGent) , Lucas A. Cernusak, Hannes P. T. De Deurwaerder, Miro Demol (UGent) , Camille Meeussen (UGent) , Bram Sercu (UGent) , Lore T. Verryckt, et al.
(2021) GLOBAL ECOLOGY AND BIOGEOGRAPHY. 30(11). p.2259-2272
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  • TREECLIMBERS (Modelling lianas as key drivers of tropical forest responses to climate change)
Abstract
Aim Elevational gradients provide excellent opportunities to explore long-term morphological and physiological responses of plants to environmental change. We determined the difference in the elevational pattern of foliar carbon isotope composition (delta C-13) between lianas and trees, and assessed whether this difference arises from changes in photosynthesis or stomatal conductance. We also explored the pattern of nutrient limitations with the elevation of these two growth forms. Location The study was conducted in two mountain forests situated in the Neotropics and Palaeotropics. Time period August-September 2015 and August-October 2016. Major taxa studied Lianas and trees. Methods We conducted inventories of lianas and trees using standardized techniques along elevational gradients in Ecuador and Rwanda. We determined the values of several foliar traits including delta C-13 and chemical traits in dominant liana and tree species. We set up Bayesian linear mixed-effect models to quantify the effects of elevation and growth form on each of the foliar traits , and the difference of the effect of elevation between the two growth forms (lianas and trees). Results We found consistent growth form specific divergences in foliar delta C-13 and carbon to nitrogen ratio (C : N) responses to elevation. While we noted a meaningful increase in foliar delta C-13 and C : N with elevation for trees, lianas did not exhibit such a trend. Foliar delta C-13 and C : N remained relatively constant for lianas along the transects. Main conclusions Lianas operate at relatively constant intrinsic water- and nitrogen-use efficiencies with elevation compared with trees. Altogether, the study suggests the existence of a functional divergence of water and nutrient use strategies between lianas and trees along tropical elevational transects.
Keywords
cavelab, Ecuador, intrinsic water-use efficiency, leaf carbon isotope composition, lianas, Rwanda, CARBON-ISOTOPE DISCRIMINATION, STOMATAL CONDUCTANCE, LEAF PHOSPHORUS, STABLE OXYGEN, NITROGEN, ALTITUDE, PHOTOSYNTHESIS, DELTA-C-13, ABUNDANCE, RESPONSES

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MLA
Mumbanza Mundondo, Francis, et al. “Lianas and Trees Exhibit Divergent Intrinsic Water-Use Efficiency along Elevational Gradients in South American and African Tropical Forests.” GLOBAL ECOLOGY AND BIOGEOGRAPHY, vol. 30, no. 11, 2021, pp. 2259–72, doi:10.1111/geb.13382.
APA
Mumbanza Mundondo, F., Bauters, M., Meunier, F., Boeckx, P., Cernusak, L. A., De Deurwaerder, H. P. T., … Verbeeck, H. (2021). Lianas and trees exhibit divergent intrinsic water-use efficiency along elevational gradients in South American and African tropical forests. GLOBAL ECOLOGY AND BIOGEOGRAPHY, 30(11), 2259–2272. https://doi.org/10.1111/geb.13382
Chicago author-date
Mumbanza Mundondo, Francis, Marijn Bauters, Félicien Meunier, Pascal Boeckx, Lucas A. Cernusak, Hannes P. T. De Deurwaerder, Miro Demol, et al. 2021. “Lianas and Trees Exhibit Divergent Intrinsic Water-Use Efficiency along Elevational Gradients in South American and African Tropical Forests.” GLOBAL ECOLOGY AND BIOGEOGRAPHY 30 (11): 2259–72. https://doi.org/10.1111/geb.13382.
Chicago author-date (all authors)
Mumbanza Mundondo, Francis, Marijn Bauters, Félicien Meunier, Pascal Boeckx, Lucas A. Cernusak, Hannes P. T. De Deurwaerder, Miro Demol, Camille Meeussen, Bram Sercu, Lore T. Verryckt, Jana Pauwels, Landry N. Cizungu, Selene Báez, Constantin A. Lubini, and Hans Verbeeck. 2021. “Lianas and Trees Exhibit Divergent Intrinsic Water-Use Efficiency along Elevational Gradients in South American and African Tropical Forests.” GLOBAL ECOLOGY AND BIOGEOGRAPHY 30 (11): 2259–2272. doi:10.1111/geb.13382.
Vancouver
1.
Mumbanza Mundondo F, Bauters M, Meunier F, Boeckx P, Cernusak LA, De Deurwaerder HPT, et al. Lianas and trees exhibit divergent intrinsic water-use efficiency along elevational gradients in South American and African tropical forests. GLOBAL ECOLOGY AND BIOGEOGRAPHY. 2021;30(11):2259–72.
IEEE
[1]
F. Mumbanza Mundondo et al., “Lianas and trees exhibit divergent intrinsic water-use efficiency along elevational gradients in South American and African tropical forests,” GLOBAL ECOLOGY AND BIOGEOGRAPHY, vol. 30, no. 11, pp. 2259–2272, 2021.
@article{8720285,
  abstract     = {{Aim Elevational gradients provide excellent opportunities to explore long-term morphological and physiological responses of plants to environmental change. We determined the difference in the elevational pattern of foliar carbon isotope composition (delta C-13) between lianas and trees, and assessed whether this difference arises from changes in photosynthesis or stomatal conductance. We also explored the pattern of nutrient limitations with the elevation of these two growth forms. Location The study was conducted in two mountain forests situated in the Neotropics and Palaeotropics. Time period August-September 2015 and August-October 2016. Major taxa studied Lianas and trees. Methods We conducted inventories of lianas and trees using standardized techniques along elevational gradients in Ecuador and Rwanda. We determined the values of several foliar traits including delta C-13 and chemical traits in dominant liana and tree species. We set up Bayesian linear mixed-effect models to quantify the effects of elevation and growth form on each of the foliar traits , and the difference of the effect of elevation between the two growth forms (lianas and trees). Results We found consistent growth form specific divergences in foliar delta C-13 and carbon to nitrogen ratio (C : N) responses to elevation. While we noted a meaningful increase in foliar delta C-13 and C : N with elevation for trees, lianas did not exhibit such a trend. Foliar delta C-13 and C : N remained relatively constant for lianas along the transects. Main conclusions Lianas operate at relatively constant intrinsic water- and nitrogen-use efficiencies with elevation compared with trees. Altogether, the study suggests the existence of a functional divergence of water and nutrient use strategies between lianas and trees along tropical elevational transects.}},
  author       = {{Mumbanza Mundondo, Francis and Bauters, Marijn and Meunier, Félicien and Boeckx, Pascal and Cernusak, Lucas A. and De Deurwaerder, Hannes P. T. and Demol, Miro and Meeussen, Camille and Sercu, Bram and Verryckt, Lore T. and Pauwels, Jana and Cizungu, Landry N. and Báez, Selene and Lubini, Constantin A. and Verbeeck, Hans}},
  issn         = {{1466-822X}},
  journal      = {{GLOBAL ECOLOGY AND BIOGEOGRAPHY}},
  keywords     = {{cavelab,Ecuador,intrinsic water-use efficiency,leaf carbon isotope composition,lianas,Rwanda,CARBON-ISOTOPE DISCRIMINATION,STOMATAL CONDUCTANCE,LEAF PHOSPHORUS,STABLE OXYGEN,NITROGEN,ALTITUDE,PHOTOSYNTHESIS,DELTA-C-13,ABUNDANCE,RESPONSES}},
  language     = {{eng}},
  number       = {{11}},
  pages        = {{2259--2272}},
  title        = {{Lianas and trees exhibit divergent intrinsic water-use efficiency along elevational gradients in South American and African tropical forests}},
  url          = {{http://doi.org/10.1111/geb.13382}},
  volume       = {{30}},
  year         = {{2021}},
}
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