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<p>Acquisitive and conservative strategies of plant growth drive biomass production, carbon stock, and determine the growth-survival trade-off. The acquisitive strategy is based on quick resources acquisition and plant growth; meanwhile, conservative strategy is based on stress tolerance, and plant survival. Using a large dataset of 1912 tree species across 79 sites in tropical forests we hypothesized that the maximum height (Hmax), a proxy of carbon stock in tropical forests, is explained by the sizes of leaves, petioles, fruits, and seeds. The Hmax was tested by global linear models as response variable explained by leaf, fruit, and seed sizes. The seed width (the main driver), petiole length, and leaf length explained positively Hmax; petiole width explained negatively Hmax. Therefore, wide seeds, long, and thin petioles, and long leaf blades promote Hmax in this large area of Tropical Forests. The main findings for application were that tree species with wide seeds, long and thin petioles, and long leaves are optimal for plant growth performance and carbon storage in restoration and conservation actions throughout creation of reserves with high carbon stock in this Tropical Forest. The results align with the high biodiversity context of Atlantic Forest tree species and constitute a robust justification for its biodiversity conservation efforts.</p>

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Leaf and seed size drive maximum height in a large area of tropical forests: implications for carbon stock

  • 期刊论文

  • 发表日期：

    2025年9月1日

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  • Nathália Silva,
  • Pedro Manuel Villa,
  • Vanessa Pontara,
  • João Augusto Alves Meira-Neto

摘要

Acquisitive and conservative strategies of plant growth drive biomass production, carbon stock, and determine the growth-survival trade-off. The acquisitive strategy is based on quick resources acquisition and plant growth; meanwhile, conservative strategy is based on stress tolerance, and plant survival. Using a large dataset of 1912 tree species across 79 sites in tropical forests we hypothesized that the maximum height (Hmax), a proxy of carbon stock in tropical forests, is explained by the sizes of leaves, petioles, fruits, and seeds. The Hmax was tested by global linear models as response variable explained by leaf, fruit, and seed sizes. The seed width (the main driver), petiole length, and leaf length explained positively Hmax; petiole width explained negatively Hmax. Therefore, wide seeds, long, and thin petioles, and long leaf blades promote Hmax in this large area of Tropical Forests. The main findings for application were that tree species with wide seeds, long and thin petioles, and long leaves are optimal for plant growth performance and carbon storage in restoration and conservation actions throughout creation of reserves with high carbon stock in this Tropical Forest. The results align with the high biodiversity context of Atlantic Forest tree species and constitute a robust justification for its biodiversity conservation efforts.