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. 2026 Mar 16;15(6):918. doi: 10.3390/plants15060918
ND Non-degraded
LD Slightly degraded
MD Moderately degraded
HD Heavily degraded
D. purpurea Deyeuxia purpurea
NMDS Non-metric multidimensional scaling
RDA Redundancy analysis
IV Importance values
H′ Shannon–Wiener diversity index
D Simpson dominance index
R Patrick richness index
J Pielou’s evenness index
I Sorenson’s similarity index
AGB Aboveground biomass
BGB Belowground biomass
TB Total biomass
pH Soil pH
WC Soil water content
TP Total phosphorus
TK Total potassium
AP Available phosphorus
AK Available potassium
NH4+-N Ammonia nitrogen
NO3-N Nitrate nitrogen
DON Dissolved organic nitrogen
DOC Dissolved organic carbon
PLS-PM Partial least squares path modeling
GOF Goodness-of-fit
SC Species composition
SD Diversity
BM Biomass