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Annals of Botany
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🌲 Researchers studied monocultures, 2-species, and 4-species mixtures of Acer, Tilia, Carpinus, and Quercus—a range from fast-growing to slow-growing species—to analyze biomass, carbon allocation, and space use. (3/8)

Figure with four panels showing: Panel A) Aerial view of the B-Tree experiment (2021), showing the locations of different tree species: Acer (Ap), Tilia (Tc), Quercus (Qr), and Carpinus (Cb). Combinations include ApTc (Ap and Tc), QrCb (Qr and Cb), and 4mix (a mix of all four species). Numbers indicate different blocks. Panel B) The seven types of plots arranged by three levels of species diversity. Panel C) A simplified overview of the trees’ ecological strategies. Panel D) A typical layout of a 4-species mixture, with trees planted 1 meter apart in a hexagonal pattern. The blue ‘×’ marks where root samples are taken between groups of three trees.
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📈 Six years post-planting, species composition began influencing aboveground growth. After 8 years, mixed-species stands had up to 1.9x more biomass than monocultures, especially when including acquisitive species like Acer. (4/8)

Figure with three panels showing organ and tree species-specific biomass for upper panel: leaves, middle panel: wood, and bottom panel: fine roots, shown for different plot types. Each color represents the biomass of a specific tree species. The grey bars indicate the expected biomass based on single-species plots. Differences between plot types are marked by lowercase letters, while uppercase letters show the variation in how much each tree species contributes to the total biomass in mixed plots. Asterisks highlight where the actual biomass of mixtures differs from what was expected. The plot types include single-species plots of Acer (Ap), Tilia (Tc), Quercus (Qr), and Carpinus (Cb), as well as 2-species mixtures (ApTc, QrCb) and the 4-species mix.
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Annals of Botany
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Bluesky feed for Annals of Botany articles.
319 followers14 following706 posts