SOC	Soil organic carbon
SOM	Soil organic matter
TN	Total nitrogen
TP	Total phosphorus
AP	Available phosphorus
NO3−-N	Nitrate nitrogen
DOM	Dissolved organic matter
DOC	Dissolved organic carbon
POC	Particulate organic carbon
MAOC	Mineral-associated organic carbon
POM	Particulate organic matter
MAOM	Mineral-associated organic matter
MB	Microbial biomass
MBC	Microbial biomass carbon
MBN	Microbial biomass nitrogen
MBP	Microbial biomass phosphorus
MN	Microbial necromass
MNC	Microbial necromass carbon
FNC	Fungal necromass carbon
BNC	Bacterial necromass carbon
GlcN	Glucosamine
MurA	Muramic acid
MCG	Moss-covered group
NMCG	Non-moss-covered composite group
KEGG	Kyoto Encyclopedia of Genes and Genomes
RPKM	Reads per kilobase per million mapped reads
NCBI	National Center for Biotechnology Information
SRA	Sequence Read Archive
CAZyme	Carbohydrate-active enzyme
PCA	Principal component analysis
db-RDA	Distance-based redundancy analysis
CAP	Canonical analysis of principal coordinates
SEM	Structural equation modeling
ANOVA	Analysis of variance
SE	Standard error
MEMS	Microbial Efficiency-Matrix Stabilization