Abstract

We selected Katerniaghat Wildlife Sanctuary in which five plant community structures (PCSs) were identified namely dry miscellaneous forest, sal mixed forest, teak plantation, lowland miscellaneous forest and savanna whose response in physical, chemical and microbial soil properties were assessed. Response of PCSs on soil pH, electrical conductivity and soil organic carbon (SOC) were although insignificant, but soil texture, bulk density, soil temperature, water-holding capacity, total nitrogen (Nt), available phosphorus (Pav), potassium (K), microbial biomass carbon (MBC) were significant. Principal component analysis revealed that in dry miscellaneous forest and sal mixed forest, SOC, MBC and K were dominant soil properties and Nt was principal component of lowland miscellaneous forest; while, soil pH and Pav were identified as principal components of savanna ecosystem. The study concluded that different PCSs developed on a large tract of the same landscape changed their soil properties according to species association and niche formation.

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