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Long-term fencing improved soil properties and soil organic carbon storage in an alpine swamp meadow of western China
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Long-term fencing improved soil properties and soil organic carbon storage in an alpine swamp meadow of western China
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Journal Article
Long-term fencing improved soil properties and soil organic carbon storage in an alpine swamp meadow of western China
2010
Overview
Overgrazing significantly affects alpine meadows in ways similar to grasslands in other areas. Fencing to exclude grazers is one of the main management practices used to protect alpine meadows. However, it is not known if fencing can improve soil properties and soil organic carbon storage by restraining grazing in alpine meadows. We studied the long-term (nine-year) effects of fencing on soil properties, soil organic carbon and nitrogen storage compared with continued grazing in an alpine swamp meadow of the Qinghai-Tibetan Plateau, NW China. Our results showed that fencing significantly improved vegetation cover and aboveground biomass. There were significant effects of fencing on pH value, soil bulk density, and soil moisture. Long-term fencing favored the increase of soil total nitrogen, soil organic matter, soil organic carbon, soil microbial biomass carbon and soil carbon storage compared with grazed meadows. Our study suggests that long-term fencing to prevent disturbance could greatly affect soil organic carbon and nitrogen storage with regard to grazed meadows. Therefore, it is apparent from this study that fencing is an effective restoration approach of with regard to the soil's storage ability for carbon and nitrogen in alpine meadow of the Qinghai-Tibetan Plateau.
Publisher
Dordrecht : Springer Netherlands,Springer,Springer Netherlands,Springer Nature B.V
Subject
/ Agronomy. Soil science and plant productions
/ Animal, plant and microbial ecology
/ Biological and medical sciences
/ Biomass
/ Biomedical and Life Sciences
/ Chemical, physicochemical, biochemical and biological properties
/ China
/ Ecology
/ fences
/ Fencing
/ Fundamental and applied biological sciences. Psychology
/ General agronomy. Plant production
/ Grazing
/ Meadows
/ Nitrogen
/ Physics, chemistry, biochemistry and biology of agricultural and forest soils
/ Soil air
/ Soil-plant relationships. Soil fertility
/ Soil-plant relationships. Soil fertility. Fertilization. Amendments
/ Soils
/ swamps
/ Wetlands
