Browsing by Autor "Haozhi Ma"

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Consistent climatic controls of global wood density among angiosperms and gymnosperms
(2024) Lidong Mo; Thomas W. Crowther; Daniel S. Maynard; Johan van den Hoogen; Haozhi Ma; Lalasia Bialic‐Murphy; Susanne S. Renner; Jingjing Liang; Sergio de‐Miguel; G.J. Nabuurs
<title>Abstract</title> The density of wood is a key indicator of trees’ carbon investment strategies, impacting productivity and carbon storage. Despite its importance, the global variation in wood density and its environmental controls remain poorly understood, preventing accurate predictions of global forest carbon stocks. Here, we analyze information from 1.1 million forest inventory plots alongside wood density data from 10,703 tree species to create a spatially-explicit understanding of the global wood density distribution and its drivers. Our findings reveal a pronounced latitudinal gradient, with wood in tropical dry forests being up to twice as dense as that in boreal forests. In both angiosperms and gymnosperms, temperature and water availability emerged as the primary factors influencing the variation in wood density globally. This indicates similar environmental filters and evolutionary adaptations among distinct plant groups, underscoring the essential role of abiotic factors in determining wood density in forest ecosystems. Additionally, our study highlights the prominent role of disturbance, such as human modification and fire risk, in influencing wood density at more local scales. Factoring in the spatial variation of wood density notably changes the estimates of forest carbon stocks, leading to differences of up to 21% within biomes. Therefore, our research contributes to a deeper understanding of terrestrial biomass distribution and how environmental changes and disturbances impact forest ecosystems.
Positive feedbacks and alternative stable states in forest leaf types
(Nature Portfolio, 2024) Yibiao Zou; Constantin M. Zohner; Colin Averill; Haozhi Ma; Julian Merder; Miguel Berdugo; Lalasia Bialic‐Murphy; Lidong Mo; Philipp Brun; Niklaus E. Zimmermann
The global biogeography of tree leaf form and habit
(Nature Portfolio, 2023) Haozhi Ma; Thomas W. Crowther; Lidong Mo; Daniel S. Maynard; Susanne S. Renner; Johan van den Hoogen; Yibiao Zou; Jingjing Liang; Sergio de‐Miguel; G.J. Nabuurs
The global distribution and drivers of wood density and their impact on forest carbon stocks
(Nature Portfolio, 2024) Lidong Mo; Thomas W. Crowther; Daniel S. Maynard; Johan van den Hoogen; Haozhi Ma; Lalasia Bialic‐Murphy; Jingjing Liang; Sergio de‐Miguel; G.J. Nabuurs; Peter B. Reich