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Abstract
This study investigates the impact of warming, drought, and disturbances on the functional composition of Amazonian and Andean forests over a millennial timescale. Using a functional trait approach on eight lowland and highland forest landscapes, the researchers combined data from fossil pollen records with functional traits and climate/disturbance proxies. Temperature and disturbances emerged as the most significant drivers of functional composition changes. Increased water availability promoted acquisitive traits, while warming decreased lowland forest height and increased highland forest height. Disturbances favored acquisitive, disturbance-adapted taxa. Future global changes may lead to shorter, drought-adapted forests in the lowlands and taller forests in the highlands.
Publisher
Global Change Biology
Published On
Apr 06, 2023
Authors
Masha T Van Der Sande, Mark B Bush, Christine M Åkesson, Juan Carlos Berrio, Alex Correia Metrio, Suzette G A Flantua, Henry Hooghiemstra, S Yoshi Maezumi, Crystal N H Mcmichael, Marielos Peña-Claros, Lourens Poorter, Marco F Raczka, William D Gosling, Encarni Montoya, Nicole A S Mosblech, Majoi de Novaes Nascimento
Tags
functional composition
Amazonian forests
Andean forests
climate change
drought
functional traits
disturbances

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