Journal
FOREST ECOLOGY AND MANAGEMENT
Volume 482, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.foreco.2020.118817
Keywords
Mycorrhizal community; Enzymatic stoichiometry; Soil nutrient cycling; High-throughput sequencing
Categories
Funding
- National Natural Science Foundation of China [31971631, 41977083, 41671252]
- Science and Technology Department of Zhejiang Province [LGF18C160001]
- State Key Laboratory of Subtropical Silviculture, Zhejiang AF University [KF2017-02, 20180207]
Ask authors/readers for more resources
The study revealed that different stages of Pinus massoniana forest development exhibit distinct diversity and composition of root-associated fungal communities, which mainly affect soil functions in terms of enzymatic activity.
Root-associated fungal communities play a key role in plant productivity and soil processes in forest ecosystems. However, how diversity and composition of root-associated fungi change with forest development and their linkage with soil enzyme activities remain largely unknown. We characterized the root-associated fungal communities, plant and soil properties, and extracellular enzyme activities along a chronosequence spanning young (15 years old) to over-mature (63 years old) Pinus massoniana forest development stages. Our results showed that P. massoniana roots harbored diverse root-associated fungal communities and they varied with forest development. Near-mature (36 years old) forest stands had the lowest alpha-diversity but higher relative abundances of ericoid mycorrhizal and activities of enzymes involved in C, N and P acquisition. The relative abundances of ectomycorrhizal fungi and endophyte were higher in middle-age (24 years old) and mature stands (45 years old), whereas the relative abundance of ericoid mycorrhizal fungi was highest in the near-mature stand. Soil pH, soil C:P and N:P ratios were important factors shaping the diversity and composition of root-associated fungal communities. Structural equation modeling indicated that changes in the community composition, but not richness of root-associated fungi, had significant correlations with soil enzymatic C:N and N:P stoichiometry. In conclusion, this study suggests that different stand development stages exhibit distinct diversity and composition of root-associated fungal communities, which affecting soil functions in terms of enzymatic activity.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available