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- Title
Bark Morphology and Nutrient Flux in Urban Trees: Investigating Water Absorption and Ion Concentration Dynamics.
- Authors
Lima, Marcelle Teodoro; Guandique, Manuel Enrique Gamero; Tonello, Kelly Cristina
- Abstract
Urban trees play a pivotal role in mediating the hydrological and nutrient cycles within urban ecosystems, yet the mechanisms by which bark characteristics influence these processes remain underexplored. This study aimed to investigate the impact of the bark morphology—specifically texture, depth, and number of furrows—on the water absorption capacity and to determine the relationship between this capacity and ion concentration in stemflow across various urban tree species. Our findings reveal significant variations in water absorption and ion concentration related to the morphological traits of bark among tree species, highlighting the intricate relationship between bark physical and chemical characteristics and stemflow nutrient composition. Notably, species with furrowed textures, greater depth, and a higher number of furrows demonstrated pronounced differences in ion enrichment in their stemflow. However, a canonical redundancy analysis suggested a low association between bark absorption capacity and ion concentration, indicating the influence of other, possibly external, environmental factors on ion leaching. The results underscore the complexity of nutrient transport mechanisms in urban trees and show a new understanding of tree bark's ecohydrological roles. This study contributes valuable insights into ecohydrology science and emphasizes the need for further research to unravel the multifaceted influences on nutrient dynamics in urban landscapes.
- Subjects
URBAN trees; URBAN ecology; NUTRIENT cycles; BARK; HYDROLOGIC cycle; ABSORPTION; ECOHYDROLOGY
- Publication
Hydrology (2306-5338), 2024, Vol 11, Issue 4, p56
- ISSN
2306-5338
- Publication type
Article
- DOI
10.3390/hydrology11040056