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Edaphic characteristics drive functional traits distribution in Amazonian floodplain forests

Mori, Gisele Biem; Poorter, Lourens; Schietti, Juliana; Piedade, Maria Teresa Fernandez

Abstract (englisch):

Understanding how environmental factors drive community assembly remains a major challenge in community ecology, especially in biodiverse tropical forests. We investigated how environmental filters affect functional trait distribution in two contrasting types of floodplain forest in the Brazilian Amazon: white-water forest (várzea) and black-water forest (igapó). We placed 40 plots of 625 m² along a flooding gradient in Central Amazonia and measured for edaphic variables and 11 functional traits related to use of resources and flooding tolerance/avoidance. We assessed functional distribution by calculating community-trait mean values and trait kurtosis. Analysis of community mean trait values showed that nutrient-rich white-water forests favored trees with productive leaves and fast growth, whereas nutrient-poor black-water forests favored trees with nutrient conservation traits and slow growth. Functional diversity was not related to environmental gradients. Edaphic characteristics act, therefore, as a strong environmental filter leading to trait convergence in these floodplain tree communities.

DOI: 10.1007/s11258-020-01110-4
Zitationen: 5
Web of Science
Zitationen: 5
Zitationen: 7
Zugehörige Institution(en) am KIT Institut für Geographie und Geoökologie (IFGG)
Publikationstyp Zeitschriftenaufsatz
Publikationsmonat/-jahr 03.2021
Sprache Englisch
Identifikator ISSN: 1385-0237, 1573-5052
KITopen-ID: 1000142631
Erschienen in Plant ecology
Verlag Springer
Band 222
Seiten 349–360
Vorab online veröffentlicht am 05.01.2021
Nachgewiesen in Dimensions
Web of Science
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