Effect of Long-term Experimental Warming on the Nutritional Quality of Alpine Meadows in the Northern Tibet

Wei SUN; Shaowei LI; Yangjian ZHANG; Gang FU

doi:10.5814/j.issn.1674-764x.2020.05.009

Journals >Journal of Resources and Ecology >Volume 11 >Issue 5 >Page 516 > Article

Journal of Resources and Ecology
Vol. 11, Issue 5, 516 (2020)

Effect of Long-term Experimental Warming on the Nutritional Quality of Alpine Meadows in the Northern Tibet

Wei SUN, Shaowei LI, Yangjian ZHANG, and Gang FU^*

Author Affiliations

Lhasa 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

show less

DOI: 10.5814/j.issn.1674-764x.2020.05.009 Cite this Article

Wei SUN, Shaowei LI, Yangjian ZHANG, Gang FU. Effect of Long-term Experimental Warming on the Nutritional Quality of Alpine Meadows in the Northern Tibet[J]. Journal of Resources and Ecology, 2020, 11(5): 516 Copy Citation Text

EndNote(RIS)

BibTex

Plain Text

show less

Fig. 1. Fig. 1

Download full size | View in the Article

Fig. 2. Fig. 2

Download full size | View in the Article

Fig. 3. Fig. 3

Download full size | View in the Article

Fig. 4. Fig. 4

Download full size | View in the Article

Fig. 5. Fig. 5

Download full size | View in the Article

Year	AT (℃)	AP (mm)	GST (℃)	GSP (mm)
1963-2019	1.96±0.80	476.36±96.69	10.02±0.62	400.45±86.83
2018	2.67	667.00	10.82	589.10
2019	3.08	426.20	11.14	372.40

Table 1.

Annual mean temperature (AT) and precipitation (AP), and growing season (June-September) temperature (GST) and precipitation (GSP) in 1963-2019, 2018 and 2019 in the Damxung County, Lhasa City, Tibet, China

View in the Article

Site Model		T_s		SM		T_a		VPD
Site Model		F	P	F	P	F	P	F	P
A	W	25.01	0.007	1.22	0.331	0.95	0.385	0.14	0.731
	Y	12.11	0.025	1.60	0.275	0.09	0.774	5.29	0.083
	W×Y	0.02	0.891	0.11	0.753	0.02	0.897	0.79	0.425
B	W	215.52	<0.001	3.41	0.139	4.33	0.106	17.07	0.014
	Y	5.00	0.089	6.62	0.062	0.42	0.554	81.01	0.001
	W×Y	1.93	0.237	0.00	0.952	0.02	0.883	2.90	0.164
C	W	43.26	0.003	1.78	0.253	10.09	0.034	149.08	<0.001
	Y	0.19	0.683	14.93	0.018	0.15	0.718	379.35	<0.001
	W×Y	5.49	0.079	1.21	0.334	1.10	0.355	25.49	0.007

Table 2.

Repeated analysis of variance for the main and interactive effects of experimental warming (W) and measurement year on soil temperature (T_s), soil moisture (SM), air temperature (T_a) and vapor pressure deficit (VPD)

View in the Article

Site Model		CP		ADF		NDF		Ash		EE		WSC
Site Model		F	P	F	P	F	P	F	P	F	P	F	P
A	W	2.40	0.197	6.71	0.061	0.15	0.716	0.25	0.645	0.01	0.919	0.11	0.761
	Y	32.37	0.005	5.86	0.073	8.59	0.043	3.86	0.121	2.75	0.172	1.36	0.308
	W×Y	0.85	0.410	2.29	0.205	0.05	0.841	0.03	0.870	2.12	0.220	0.21	0.670
B	W	79.22	0.001	4.99	0.089	23.00	0.009	24.52	0.008	5.73	0.075	0.85	0.409
	Y	24.56	0.008	1.61	0.273	15.18	0.018	0.65	0.467	0.44	0.545	10.49	0.032
	W×Y	0.00	0.975	0.08	0.793	2.38	0.198	2.78	0.171	1.07	0.360	9.33	0.038
C	W	0.21	0.668	3.98	0.117	0.77	0.429	1.14	0.346	0.06	0.813	0.79	0.423
	Y	77.38	0.001	17.92	0.013	41.27	0.003	1.00	0.373	0.53	0.506	1.38	0.306
	W×Y	4.21	0.109	0.01	0.926	1.33	0.313	2.96	0.161	0.64	0.470	0.18	0.690

Table 3.

Repeated analysis of variance for the main and interactive effects of experimental warming (W) and measurement year on the content of crude protein (CP), acid detergent fiber (ADF), neutral detergent fiber (NDF), crude ash (Ash), ether extract (EE) and water-soluble carbohydrate (WSC)

View in the Article