The vegetation and soil characteristics of degraded alpine meadow

Li Zhou; De-gang Zhang; Xu-jiang Yun; Yong-ping Dong; Jia-ting Wang; Ya-li Zhao

doi:10.11829/j.issn.1001-0629.2015-0606

Pratacultural Science > 2016 > 10(11): 2196-2201. > DOI: 10.11829/j.issn.1001-0629.2015-0606

Li Zhou, De-gang Zhang, Xu-jiang Yun, Yong-ping Dong, Jia-ting Wang, Ya-li Zhao. The vegetation and soil characteristics of degraded alpine meadow[J]. Pratacultural Science, 2016, 10(11): 2196-2201. DOI: 10.11829/j.issn.1001-0629.2015-0606

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The vegetation and soil characteristics of degraded alpine meadow

1.
Pratacultural College, Gansu Agricultural University, Lanzhou 730070, China
2.
1. Pratacultural College, Gansu Agricultural University, Lanzhou 730070, China
3.
2. Ministry of Agriculture, National Animal Husbandry Service, Beijing 100125, China
4.
5.
Ministry of Agriculture, National Animal Husbandry Service, Beijing 100125, China
6.
Grassland Station of Tianzhu County, Tianzhu, Gansu 733299, China

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Received Date: November 09, 2015
Published Date: November 19, 2016

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Abstract

Abstract

The study on characteristics of vegetation and soil nutritional features of alpine meadow under different degradation gradients were conducted in Tianzhu, Gansu Province. Results showed that the aboveground biomass, vegetation height, coverage, the soil organic carbon, total nitrogen, total phosphorus and soil water contents significantly decreased (P<0.05) along with the degrees of degradation. Soil bulk density in severe degradation significantly increased (P<0.05). Grassland community showed degraded succession significantly such as the dominant species of Kobresia humilis, K. capillifolia, and Elymus nutans were replaced by Polygonum viviparum. The species number decreased from 19 to 7 and the degraded plants biomass fraction increased from 9.77% to 62.93%. The characteristics of vegetation and soil nutritional features could be affected by degradation degrees, so the relevant strategies for restoration should be provided based on degradation degrees.
- alpine meadow,
- grassland degradation,
- vegetation characteristics,
- soil nutrients

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References (62)

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