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relationship between tree biodiversity and biomass dynamics changes with tropical forest succession

Lasky, Jesse R ; Uriarte, María ; Boukili, Vanessa K ; Erickson, David L ; John Kress, W ; Chazdon, Robin L ; Vila, Montserrat Vila, Montserrat ; Vila, Montserrat

Ecology letters, 2014-09, Vol.17 (9), p.1158-1167 [Periódico revisado por pares]

Oxford: Blackwell Science

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Título:
relationship between tree biodiversity and biomass dynamics changes with tropical forest succession
Autor: Lasky, Jesse R ; Uriarte, María ; Boukili, Vanessa K ; Erickson, David L ; John Kress, W ; Chazdon, Robin L ; Vila, Montserrat
Vila, Montserrat ; Vila, Montserrat
Assuntos: Animal and plant ecology ; Animal, plant and microbial ecology ; Biodiversity ; Biological and medical sciences ; Biomass ; Disturbance ; ecosystems ; forest succession ; Forestry ; functional diversity ; functional traits ; Fundamental and applied biological sciences. Psychology ; General aspects ; General forest ecology ; Generalities. Production, biomass. Quality of wood and forest products. General forest ecology ; leaf dry matter content ; leaves ; Models, Biological ; Phylogeny ; pioneer species ; Population Dynamics ; prediction ; productivity ; rain forests ; Rainforests ; specific leaf area ; Synecology ; Trees ; Trees - classification ; Trees - genetics ; Trees - physiology ; Tropical Climate ; tropical forests ; tropical rainforest ; wood specific gravity
É parte de: Ecology letters, 2014-09, Vol.17 (9), p.1158-1167
Notas: http://dx.doi.org/10.1111/ele.12322

NSF - No. DEB-1050957; No. DEB-0424767; No. DEB-0639393; No. DEB-1147429; No. DEB-1110722
Andrew W. Mellon Foundation
ark:/67375/WNG-M9CV15RP-4
University of Connecticut Research Foundation
ArticleID:ELE12322
NASA Terrestrial Ecology Program
istex:289F06ECB2CEBA62473F37EC56899FE937EE2D5C
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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Descrição: Theory predicts shifts in the magnitude and direction of biodiversity effects on ecosystem function (BEF) over succession, but this theory remains largely untested. We studied the relationship between aboveground tree biomass dynamics (Δbiomass) and multiple dimensions of biodiversity over 8–16 years in eight successional rainforests. We tested whether successional changes in diversity–Δbiomass correlations reflect predictions of niche theories. Diversity–Δbiomass correlations were positive early but weak later in succession, suggesting saturation of niche space with increasing diversity. Early in succession, phylogenetic diversity and functional diversity in two leaf traits exhibited the strongest positive correlations with Δbiomass, indicating complementarity or positive selection effects. In mid‐successional stands, high biodiversity was associated with greater mortality‐driven biomass loss, i.e. negative selection effects, suggesting successional niche trade‐offs and loss of fast‐growing pioneer species. Our results demonstrate that BEF relationships are dynamic across succession, thus successional context is essential to understanding BEF in a given system.
Editor: Oxford: Blackwell Science
Idioma: Inglês

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relationship between tree biodiversity and biomass dynamics changes with tropical forest succession

Lasky, Jesse R ; Uriarte, María ; Boukili, Vanessa K ; Erickson, David L ; John Kress, W ; Chazdon, Robin L ; Vila, Montserrat Vila, Montserrat ; Vila, Montserrat

Oxford: Blackwell Science

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