Effects of Enclosure on Plant and Soil Nutrients in Different Types of Alpine Grassland

Fang WANG; Yongtao HE; Gang FU; Ben NIU; Haorui ZHANG; Meng LI; Zhipeng WANG; Xiangtao WANG; Xianzhou ZHANG

doi:10.5814/j.issn.1674-764X.2020.03.006

Journals >Journal of Resources and Ecology >Volume 11 >Issue 3 >Page 290 > Article

Journal of Resources and Ecology
Vol. 11, Issue 3, 290 (2020)

Effects of Enclosure on Plant and Soil Nutrients in Different Types of Alpine Grassland

Fang WANG^1、2, Yongtao HE^1、3、*, Gang FU¹, Ben NIU¹, Haorui ZHANG^1、2, Meng LI^1、2, Zhipeng WANG^1、2, Xiangtao WANG^1、2, and Xianzhou ZHANG^1、3

Author Affiliations

¹Lhasa Plateau Ecosystem Research Station, Key Laboratory of Ecosystem Network Observation and Modeling, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China

²University of Chinese Academy of Sciences, Beijing 100049, China

³College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100190, China

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DOI: 10.5814/j.issn.1674-764X.2020.03.006 Cite this Article

Fang WANG, Yongtao HE, Gang FU, Ben NIU, Haorui ZHANG, Meng LI, Zhipeng WANG, Xiangtao WANG, Xianzhou ZHANG. Effects of Enclosure on Plant and Soil Nutrients in Different Types of Alpine Grassland[J]. Journal of Resources and Ecology, 2020, 11(3): 290 Copy Citation Text

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Fig. 1. Spatial pattern and sampling points of the three different types of alpine grassland on the northern Tibetan Plateau

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Fig. 2. [in Chinese]

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Fig. 3. [in Chinese]

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Sampling sites	Grassland types	Plots	Soil depth (cm)	Aboveground biomass (g m^-2)	Underground biomass (g m^-2)
Rutog	Alpine desert	Inside fence	0-10	89.7±3.8A	11.3±10.2Aa
		Inside fence	10-20	89.7±3.8A	11.6±4.6Aa
		Outside fence	0-10	33.2±1.4B*	23.64±6.9Aa
		Outside fence	10-20	33.2±1.4B*	31.29±7.5Ba
Nyima	Alpine steppe	Inside fence	0-10	238.9±13.0A	408.2±54.5Aa
		Inside fence	10-20	238.9±13.0A	31.1±19.6Ab
		Outside fence	0-10	64.9±0.9B*	403.1±106.4Aa
		Outside fence	10-20	64.9±0.9B*	43.9±9.5Ab
Naqu	Alpine meadow	Inside fence	0-10	1203.6±34.9A	5831.0±2204.6Aa
		Inside fence	10-20	1203.6±34.9A	520.2±12.0Aa
		Outside fence	0-10	575.3±26.6B*	5485.6±1613.5Aa
		Outside fence	10-20	575.3±26.6B*	651.5±134.7Ab

Table 1.

Biomass inside and outside the fence in three types of alpine grassland

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Sampling sites	Grassland types	Items	Inside the fence	Outside the fence
Rutog	Alpine desert	C: N	41.85±3.19A	25.35±2.30B
		C: P	56.94±2.87A	34.51±3.55B
		N: P	1.36±0.08A	1.36±0.09A
Nyima	Alpine steppe	C: N	41.39±10.27A	25.27±1.51A
		C: P	65.64±21.28A	46.11±1.63A
		N: P	1.59±0.31A	1.83±0.18A
Naqu	Alpine meadow	C: N	19.85±1.54A	18.01±1.18A
		C: P	38.74±3.71A	35.75±3.28A
		N: P	1.96±0.25A	2.00±0.27A

Table 2.

Plant leaf nutrient stoichiometry inside and outside the fence in the three types of alpine grassland

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Sampling sites	Grassland types	Plots	Soil depth (cm)	C: N	C: P	N: P
Rutog	Alpine desert	Inside the fence	0-10	6.52±0.33A	10.01±3.36A	1.53±0.47A
			10-20	7.02±0.89A	16.80±0.30A	2.42±0.33A
		Outside the fence	0-10	6.50±0.39A	8.09±0.72A	1.24±0.04A
			10-20	6.91±0.84A	8.85±0.34B	1.30±0.19B
Nyima	Alpine steppe	Inside the fence	0-10	8.94±0.36A	31.35±4.74A	3.52±0.63A
			10-20	8.81±0.29A	36.72±0.60A	4.17±0.14A
		Outside the fence	0-10	8.86±0.30A	32.47±2.54A	3.67±0.29A
			10-20	8.64±0.21A	36.25±4.70A	4.19±0.46A
Naqu	Alpine meadow	Inside the fence	0-10	14.22±0.34A	142.89±4.78A	10.05±0.36A
			10-20	12.55±0.44A	86.30±9.31A	6.87±0.68A
		Outside the fence	0-10	13.70±1.18A	141.1±15.42A	10.37±1.63A
			10-20	12.16±0.16A	81.42±12.85A	6.70±1.11A