Biomass Allocation and Allometric Relationship of Salix gordejevii Branches in Sandy Habitats Heterogeneity in Northern China

Guan-Zhi Liu, Kai Zhao, Shi-Qi Zhang, Yu-Mei Liang, Yong-Jie Yue, Guo-Hou Liu () and Fu-Cang Qin ()
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Guan-Zhi Liu: College of Grassland, Resources and Environment, Inner Mongolia Agricultural University, Hohhot 010011, China
Kai Zhao: College of Desert Control Science and Engineering, Inner Mongolia Agricultural University, Hohhot 010010, China
Shi-Qi Zhang: College of Forestry, Inner Mongolia Agricultural University, Hohhot 010010, China
Yu-Mei Liang: College of Desert Control Science and Engineering, Inner Mongolia Agricultural University, Hohhot 010010, China
Yong-Jie Yue: College of Forestry, Inner Mongolia Agricultural University, Hohhot 010010, China
Guo-Hou Liu: College of Grassland, Resources and Environment, Inner Mongolia Agricultural University, Hohhot 010011, China
Fu-Cang Qin: College of Desert Control Science and Engineering, Inner Mongolia Agricultural University, Hohhot 010010, China

Sustainability, 2024, vol. 16, issue 13, 1-17

Abstract: The patterns of biomass allocation are crucial for understanding the growth, reproduction, and community functions of plant individuals. We investigated the allometric growth characteristics and biomass allocation patterns of Salix gordejevii fascicular branches in various habitats of the Hunshandake Sandy Land to delve into their adaptability to environmental changes and role in the carbon cycle. We discovered the following: (1) The base diameter-to-branch length of S. gordejevii fascicular branches exhibited allometric growth relationships in mobile dunes and interdune lowlands, whereas it showed isometric growth relationships in semifixed and fixed dunes. As the soil moisture gradient increased, the length growth rate of S. gordejevii fascicular branches became faster than the base diameter growth rate in mobile dunes, demonstrated isometric growth in semifixed and fixed dunes, and was slow in interdune lowlands. (2) The biomasses of S. gordejevii fascicular branches significantly varied across different habitats, with the biomass of each component showing an increasing trend as habitat conditions improved. This study revealed the resource utilization strategies and adaptability of S. gordejevii fascicular branches in different habitats, providing new insights into the carbon sink function of desert ecosystems in semiarid regions.

Keywords: allometric growth relationship; biomass allocation; ecological adaptability; Hunshandake sandy land; Salix gordejevii (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2024
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