Neighbourhood Species Richness Reduces Crown Asymmetry of Subtropical Trees in Sloping Terrain
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Neighbourhood Species Richness Reduces Crown Asymmetry of Subtropical Trees in Sloping Terrain. / Perles García, María Dolores; Kunz, Matthias; Fichtner, Andreas et al.
In: Remote Sensing, Vol. 14, No. 6, 1441, 16.03.2022.Research output: Journal contributions › Comments / Debate / Reports › Research
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TY - JOUR
T1 - Neighbourhood Species Richness Reduces Crown Asymmetry of Subtropical Trees in Sloping Terrain
AU - Perles García, María Dolores
AU - Kunz, Matthias
AU - Fichtner, Andreas
AU - Meyer, Nora
AU - Härdtle, Werner
AU - von Oheimb, Goddert
N1 - Funding Information: Funding: This research was funded by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation), grant number 319936945/GRK2324, and by the University of Chinese Academy of Sciences (UCAS). Publisher Copyright: © 2022 by the authors. Licensee MDPI, Basel, Switzerland.
PY - 2022/3/16
Y1 - 2022/3/16
N2 - Reforestation in sloping terrain is an important measure for soil erosion control and sustainable watershed management. The mechanical stability of such reforested stands, however, can be low due to a strong asymmetric shape of tree crowns. We investigated how neighbourhood tree species richness, neighbourhood pressure, tree height, and slope inclination affect crown asymmetry in a large-scale plantation biodiversity-ecosystem functioning experiment in subtropical China (BEF-China) over eight years. We took the advantage of terrestrial laser scanning (TLS) measurements, which provide non-destructive, high-resolution data of tree structure without altering tree interactions. Neighbourhood species richness significantly reduced crown asymmetry, and this effect became stronger at steeper slopes. Our results suggest that tree diversity promotes the mechanical stability of forest stands in sloping terrain and highlight the importance of TLS-data for a comprehensive understanding of the role of tree diversity in modulating crown interactions in mixed-species forest plantations.
AB - Reforestation in sloping terrain is an important measure for soil erosion control and sustainable watershed management. The mechanical stability of such reforested stands, however, can be low due to a strong asymmetric shape of tree crowns. We investigated how neighbourhood tree species richness, neighbourhood pressure, tree height, and slope inclination affect crown asymmetry in a large-scale plantation biodiversity-ecosystem functioning experiment in subtropical China (BEF-China) over eight years. We took the advantage of terrestrial laser scanning (TLS) measurements, which provide non-destructive, high-resolution data of tree structure without altering tree interactions. Neighbourhood species richness significantly reduced crown asymmetry, and this effect became stronger at steeper slopes. Our results suggest that tree diversity promotes the mechanical stability of forest stands in sloping terrain and highlight the importance of TLS-data for a comprehensive understanding of the role of tree diversity in modulating crown interactions in mixed-species forest plantations.
KW - Ecosystems Research
KW - BEF-China
KW - biodiversity-ecosystem functioning
KW - crown assymetry
KW - crown complementarity
KW - forestry
KW - LiDAR
KW - sloping terrain
KW - terrestrial laser scanning
KW - BEF-China
KW - biodiversity-ecosystem functioning
KW - crown asymmetry
KW - crown complementarity
KW - forestry
KW - LiDAR
KW - sloping terrain
KW - terrestrial laser scanning
UR - http://www.scopus.com/inward/record.url?scp=85127123382&partnerID=8YFLogxK
UR - https://www.mendeley.com/catalogue/4fa8f17d-52dd-3e56-b6af-02a0bf1b4a51/
U2 - 10.3390/rs14061441
DO - 10.3390/rs14061441
M3 - Comments / Debate / Reports
VL - 14
JO - Remote Sensing
JF - Remote Sensing
SN - 2072-4292
IS - 6
M1 - 1441
ER -