Demographic Drivers of Aboveground Biomass Dynamics During Secondary Succession in Neotropical Dry and Wet Forests

D M A Rozendaal; Robin L Chazdon; F Arreola-Villa; P Balvanera; T V Bentos; J M Dupuy; J L Hernández-Stefanoni; C C Jakovac; E E Lebrija-Trejos; M Lohbeck; M Martínez-Ramos; P E S Massoca; J A Meave; R C G Mesquita; F Mora; E Pérez-García; I Eunice Romero-Perez; Irving Saenz-Pedroza; Michiel van Breugel; Frans Bongers

doi:10.1007/s10021-016-0029-4

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Demographic Drivers of Aboveground Biomass Dynamics During Secondary Succession in Neotropical Dry and Wet Forests

Journal article

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Demographic Drivers of Aboveground Biomass Dynamics During Secondary Succession in Neotropical Dry and Wet Forests

D M A Rozendaal, Robin L Chazdon, F Arreola-Villa, P Balvanera, T V Bentos, J M Dupuy, J L Hernández-Stefanoni, C C Jakovac, E E Lebrija-Trejos, M Lohbeck, …

Ecosystems, Vol.20(2), pp.340-353

2017

DOI: https://doi.org/10.1007/s10021-016-0029-4

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Abstract

biomass accumulation

carbon sink

forest dynamics

Neotropics

second-growth tropical forest

species' dominance

tree demography

The magnitude of the carbon sink in second-growth forests is expected to vary with successional biomass dynamics resulting from tree growth, recruitment, and mortality, and with the effects of climate on these dynamics. We compare aboveground biomass dynamics of dry and wet Neotropical forests, based on monitoring data gathered over 3-16 years in forests covering the first 25 years of succession. We estimated standing biomass, annual biomass change, and contributions of tree growth, recruitment, and mortality. We also evaluated tree species' contributions to biomass dynamics. Absolute rates of biomass change were lower in dry forests, 2.3 and 1.9 Mg ha-1 y-1, after 5-15 and 15-25 years after abandonment, respectively, than in wet forests, with 4.7 and 6.1 Mg ha-1 y-1, in the same age classes. Biomass change was largely driven by tree growth, accounting for at least 48% of biomass change across forest types and age classes. Mortality also contributed strongly to biomass change in wet forests of 5-15 years, whereas its contribution became important later in succession in dry forests. Biomass dynamics tended to be dominated by fewer species in early-successional dry than wet forests, but dominance was strong in both forest types. Overall, our results indicate that biomass dynamics during succession are faster in Neotropical wet than dry forests, with high tree mortality earlier in succession in the wet forests. Long-term monitoring of second-growth tropical forest plots is crucial for improving estimates of annual biomass change, and for enhancing understanding of the underlying mechanisms and demographic drivers. © 2016 Springer Science+Business Media New York

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Title: Demographic Drivers of Aboveground Biomass Dynamics During Secondary Succession in Neotropical Dry and Wet Forests
Authors: D M A Rozendaal (Author) - University of Connecticut, United States
Robin L Chazdon (Author) - University of Connecticut, United States
F Arreola-Villa (Author) - Universidad Nacional Autonoma de Mexico, Mexico
P Balvanera (Author) - Universidad Nacional Autonoma de Mexico, Mexico
T V Bentos (Author) - Instituto Nacional de Pesquisas da Amazonia, Brazil
J M Dupuy (Author) - Centro de Investigacio´n Cientı´fica de Yucata´n (CICY), Mexico
J L Hernández-Stefanoni (Author) - Centro de Investigacio´n Cientı´fica de Yucata´n (CICY), Mexico
C C Jakovac (Author) - Wageningen University, Netherlands
E E Lebrija-Trejos (Author) - Smithsonian Tropical Research Institute, United States
M Lohbeck (Author) - Wageningen University, Netherlands
M Martínez-Ramos (Author) - Universidad Nacional Autonoma de Mexico, Mexico
P E S Massoca (Author) - Instituto Nacional de Pesquisas da Amazonia, Brazil
J A Meave (Author) - Universidad Nacional Autonoma de Mexico, Mexico
R C G Mesquita (Author) - Instituto Nacional de Pesquisas da Amazonia, Brazil
F Mora (Author) - Universidad Nacional Autonoma de Mexico, Mexico
E Pérez-García (Author) - Universidad Nacional Autonoma de Mexico, Mexico
I Eunice Romero-Perez (Author) - Universidad Nacional Autonoma de Mexico, Mexico
Irving Saenz-Pedroza (Author) - Centro de Investigacio´n Cientı´fica de Yucata´n (CICY), Mexico
Michiel van Breugel (Author) - Smithsonian Tropical Research Institute, United States
Frans Bongers (Author) - Wageningen University, Netherlands
Publication details: Ecosystems, Vol.20(2), pp.340-353
Publisher: Springer New York LLC
DOI: 10.1007/s10021-016-0029-4
ISSN: 1432-9840
Organisation Unit: Tropical Forests & People Research Centre; University of the Sunshine Coast, Queensland; Forest Research Institute
Language: English
Record Identifier: 99450332702621
Output Type: Journal article

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