ProssBruelheidePotvinEtAl2021

Reference

Proß, T., Bruelheide, H., Potvin, C., Sporbert, M., Trogisch, S., Haider, S. (2021) Reprint of: Drivers of within-tree leaf trait variation in a tropical planted forest varying in tree species richness. Basic and Applied Ecology, 55:6-19. (Scopus )

Abstract

In plant ecology, community-weighted trait means are often used as predictors for ecosystem functions. More recently, also within-species trait variation has been confirmed to contribute to ecosystem functioning. We here go even further and assess within-individual trait variation, assuming that every leaf in a plant individually adjusts to its micro-environment. Using forest plots varying in tree species richness (Sardinilla experiment, Panama), we analysed how leaf traits within individual trees vary along the vertical crown gradient. Furthermore, we tested whether niche partitioning in mixed stands results in a decrease of within-species leaf trait variation and whether niche partitioning can be also observed at the level of individual trees. We focused on leaf traits that describe the growth strategy along the conservative-acquisitive spectrum of growth. We found a decrease in within-species variation of specific leaf area (SLA) with increasing neighbourhood species richness. Both sampling height and local neighbourhood richness contributed to explaining within-species leaf trait variation, which however, varied in importance among different species and traits. With increasing sampling height, leaf dry matter content (LDMC), carbon to nitrogen ratio and lignin content increased, while leaf nitrogen concentration (leaf N), SLA, cellulose and hemicellulose decreased. Variation in leaf N decreased with increasing neighbourhood species richness, while the magnitude of within-individual variation of most traits was unaffected by neighbourhood species richness. Our results suggest an increased niche partitioning with increasing species richness both in a plant community and at the level of individual plants. Our findings highlight the importance of including within-individual trait variation to understand biodiversity-ecosystem functioning relationships. © 2020 Gesellschaft für Ökologie

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@ARTICLE { ProssBruelheidePotvinEtAl2021,
    AUTHOR = { Proß, T. and Bruelheide, H. and Potvin, C. and Sporbert, M. and Trogisch, S. and Haider, S. },
    JOURNAL = { Basic and Applied Ecology },
    TITLE = { Reprint of: Drivers of within-tree leaf trait variation in a tropical planted forest varying in tree species richness },
    YEAR = { 2021 },
    NOTE = { cited By 0 },
    PAGES = { 6-19 },
    VOLUME = { 55 },
    ABSTRACT = { In plant ecology, community-weighted trait means are often used as predictors for ecosystem functions. More recently, also within-species trait variation has been confirmed to contribute to ecosystem functioning. We here go even further and assess within-individual trait variation, assuming that every leaf in a plant individually adjusts to its micro-environment. Using forest plots varying in tree species richness (Sardinilla experiment, Panama), we analysed how leaf traits within individual trees vary along the vertical crown gradient. Furthermore, we tested whether niche partitioning in mixed stands results in a decrease of within-species leaf trait variation and whether niche partitioning can be also observed at the level of individual trees. We focused on leaf traits that describe the growth strategy along the conservative-acquisitive spectrum of growth. We found a decrease in within-species variation of specific leaf area (SLA) with increasing neighbourhood species richness. Both sampling height and local neighbourhood richness contributed to explaining within-species leaf trait variation, which however, varied in importance among different species and traits. With increasing sampling height, leaf dry matter content (LDMC), carbon to nitrogen ratio and lignin content increased, while leaf nitrogen concentration (leaf N), SLA, cellulose and hemicellulose decreased. Variation in leaf N decreased with increasing neighbourhood species richness, while the magnitude of within-individual variation of most traits was unaffected by neighbourhood species richness. Our results suggest an increased niche partitioning with increasing species richness both in a plant community and at the level of individual plants. Our findings highlight the importance of including within-individual trait variation to understand biodiversity-ecosystem functioning relationships. © 2020 Gesellschaft für Ökologie },
    AFFILIATION = { Martin Luther University Halle-Wittenberg, Institute of Biology/Geobotany and Botanical Garden, Halle (Saale), Germany; German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Leipzig, Germany; Department of Biology, McGill University, Montreal, QC, Canada; Smithsonian Tropical Research Institute, Panama City, Panama },
    AUTHOR_KEYWORDS = { Biodiversity; Leaf economics spectrum; Leaf traits; Niche theory; Sardinilla experiment; Trait variation; Tropical plantation forest },
    DOCUMENT_TYPE = { Article },
    DOI = { 10.1016/j.baae.2021.01.009 },
    SOURCE = { Scopus },
    URL = { https://www.scopus.com/inward/record.uri?eid=2-s2.0-85102425806&doi=10.1016%2fj.baae.2021.01.009&partnerID=40&md5=f49318d95a55d2caef8b8f63b9ea3ff3 },
}

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