Effects of different utilization methods on community characteristics of primary vegetation of Stipa grandis steppe， Inner Mongolia， China

doi:10.11686/cyxb2023207

Abstract

Abstract:

This study explored the effects of different utilization methods on community plant characteristics of Stipa grandis steppe， in order to provide scientific data to assist with the formulation of an optimal utilization system for this grassland. Together with a household survey， plant communities were investigated in S. grandis steppe with three utilization modes： annual mowing， annual grazing and seasonal rotational grazing. We calculated important values and diversity indices to analyze the relationship between plant diversity and biomass. It was found that， 1） The dominant plant groups of S. grandis grassland under the three utilization modes were consistent. 2） There was no significant difference in community species diversity among the three utilization methods， but there was significant difference in functional group species diversity. The species diversity of perennial grasses under mowing was higher than that under annual grazing and seasonal rotation grazing； the species diversity of shrubs and subshrubs under annual grazing was higher than that of annual grazing and seasonal rotation grazing. 3） Above-ground standing crop of annual mowing and seasonal rotation grazing was significantly higher than that of annual grazing. 4） There was a significant positive correlation between plant diversity and biomass under annual mowing and seasonal rotation grazing. In conclusion， mowing and seasonal rotation grazing maintained high species diversity while maintaining high above-ground standing crop， which is conducive to the sustainable use of S. grandis steppe， but the community structure of the two was different and therefore would support different ecosystem functions.

Key words: mode of utilization, typical steppe, productivity, diversity

Xiao-jing SUO, Lei XIANG, He GAO, Xiang-jun YUN, Ba-gen HASI, Jin-rui WU, Wen-cheng DONG, Bo-wei HUA, Jin-yi MOU, Qi WANG. Effects of different utilization methods on community characteristics of primary vegetation of Stipa grandis steppe， Inner Mongolia， China[J]. Acta Prataculturae Sinica, 2024, 33(4): 12-21.

Figures/Tables 7

References 31

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功能群 FG	物种 Species	重要值IV （%）			功能群FG	物种 Species	重要值IV （%）
功能群 FG	物种 Species	M	AG	SG	功能群FG	物种 Species	M	AG	SG
PG	大针茅S. grandis	20.40	15.57	12.92	PF	知母Anemarrhena asphodeloides	6.08	7.20	-
	克氏针茅S. krylovii	16.29	10.85	14.28		芯芭Cymbaria dahurica	-	-	1.84
	糙隐子草C. squarrosa	12.95	11.11	12.16		糙苏Phlomoides umbrosa	-	0.88	-
	羊草L. chinensis	15.13	17.66	16.42		田旋花Convolvulus arvensis	-	-	1.36
	无芒隐子草Cleistogenes songorica	3.45	5.16	3.69		长柱沙参Adenophora stenanthina	-	-	2.56
	米氏冰草Agropyron cristatum	7.91	8.79	5.50		黄花葱Allium condensatum	-	-	2.99
	芸香草Cymbopogon distans	1.39	1.10	1.55		乳浆大戟Euphorbia esula	-	-	2.19
	羽茅Achnatherum sibiricum	8.37	6.20	5.35	SS	狭叶锦鸡儿Caragana stenophylla	3.44	4.77	4.28
	芨芨草Neotrinia splendens	-	11.17	-		木地肤Bassia prostrata	2.22	3.75	1.53
PF	黄囊苔草Carex korshinskyi	6.89	9.01	11.98		胡枝子Lespedeza bicolor	1.35	6.53	3.97
	双齿葱Allium bidentatum	2.34	4.42	3.74		冷蒿Artemisia frigida	5.47	5.72	2.73
	银灰旋花Convolvulus ammannii	3.00	6.16	5.53		小叶锦鸡儿Caragana microphylla	3.85	-	-
	黄蒿Artemisia scoparia	5.29	4.24	5.47	AB	刺穗藜Chenopodium aristatum	3.32	2.92	3.38
	野葱Allium chrysanthum	2.43	4.27	3.15		灰绿藜Oxybasis glauca	5.09	2.21	1.28
	独行菜Lepidium apetalum	2.64	1.96	3.21		猪毛菜Salsola collina	2.21	1.98	2.59
	二裂委陵菜Potentilla bifurca	3.63	2.01	1.75		狗尾草Setaria viridis	3.68	7.38	2.57
	细叶鸢尾Iris tenuifolia	3.78	4.55	4.23		点地梅Androsace umbellata	0.99	3.27	1.29
	乳白花黄芪Astragalus galactites	1.63	1.70	2.22		地锦Euphorbia humifusa	1.99	0.99	1.09
	天门冬Asparagus cochinchinensis	2.14	1.60	1.96		尖头叶藜Chenopodium acuminatum	1.96	1.30	2.98
	野韭Allium ramosum	3.61	7.52	5.06		虎尾草Chloris virgata	16.14	4.61	0.72
	米口袋Gueldenstaedtia verna	1.47	2.11	1.60		虫实Corispermum hyssopifolium	3.14	3.90	2.73
	阿尔泰狗娃花Aster altaicus	2.91	5.20	2.11		栉叶蒿Neopallasia pectinata	11.21	2.68	16.18
	多根葱Allium polyrhizum	0.99	6.11	7.41		燥原荠Stevenia canescens	1.32	2.54	1.96
	矮葱Allium amsopodium	3.24	2.56	2.06		画眉草Eragrostis pilosa	2.67	7.98	7.72
	并头黄芪Scutellaria scordifolia	6.86	10.52	8.78		女蒌菜Silene aprica	1.22	0.70	3.93
	星毛委陵菜Potentilla acaulis	1.13	2.28	1.13		花旗杆Dontostemon dentatus	-	-	2.49
	瓣蕊唐松草Thalictrum petaloideum	1.90	4.46	1.14		沙蓬Agriophyllum squarrosum	-	3.44	2.59
	细叶葱Allium tenuissimum	2.66	2.65	3.44		大籽蒿Artemisia sieversiana	-	1.78	-
	麻花头Klasea centauroides	-	4.08	-		草木樨Melilotus officinalis	2.79	1.57	-
	沙葱Allium mongolicum	-	4.81	4.14		蒺藜Tribulus terrestris	-	1.59	-
	扁蓿豆Melissilus ruthenicus	-	2.76	-		鹤虱Lappula myosotis	-	1.23	2.14
	麻黄Ephedra sinica	-	1.69	-		细叶苦荬菜Ixeris gracilias	-	2.65	-
	硬毛棘豆Oxytropis hirta	2.18	1.55	-		轴藜Axyris amaranthoides	6.89	-	-
	多叶棘豆Oxytropis myriophylla	1.38	-	1.14		变蒿Artemisia commutata	-	-	1.95
	斜茎黄芪Astragalus laxmannii	-	2.28	-		风毛菊Saussurea japonica	-	-	2.52
	狼毒Stellera chamaejasme	-	2.35	-		苋菜Amaranthus tricolor	1.38	-	-
	菊叶委陵菜Potentilla tanacetifolia	-	0.45	-		碱地肤Kochia scoparia	2.53	-	-

功能群 FG	物种 Species	重要值IV （%）			功能群FG	物种 Species	重要值IV （%）
功能群 FG	物种 Species	M	AG	SG	功能群FG	物种 Species	M	AG	SG
PG	大针茅S. grandis	20.40	15.57	12.92	PF	知母Anemarrhena asphodeloides	6.08	7.20	-
	克氏针茅S. krylovii	16.29	10.85	14.28		芯芭Cymbaria dahurica	-	-	1.84
	糙隐子草C. squarrosa	12.95	11.11	12.16		糙苏Phlomoides umbrosa	-	0.88	-
	羊草L. chinensis	15.13	17.66	16.42		田旋花Convolvulus arvensis	-	-	1.36
	无芒隐子草Cleistogenes songorica	3.45	5.16	3.69		长柱沙参Adenophora stenanthina	-	-	2.56
	米氏冰草Agropyron cristatum	7.91	8.79	5.50		黄花葱Allium condensatum	-	-	2.99
	芸香草Cymbopogon distans	1.39	1.10	1.55		乳浆大戟Euphorbia esula	-	-	2.19
	羽茅Achnatherum sibiricum	8.37	6.20	5.35	SS	狭叶锦鸡儿Caragana stenophylla	3.44	4.77	4.28
	芨芨草Neotrinia splendens	-	11.17	-		木地肤Bassia prostrata	2.22	3.75	1.53
PF	黄囊苔草Carex korshinskyi	6.89	9.01	11.98		胡枝子Lespedeza bicolor	1.35	6.53	3.97
	双齿葱Allium bidentatum	2.34	4.42	3.74		冷蒿Artemisia frigida	5.47	5.72	2.73
	银灰旋花Convolvulus ammannii	3.00	6.16	5.53		小叶锦鸡儿Caragana microphylla	3.85	-	-
	黄蒿Artemisia scoparia	5.29	4.24	5.47	AB	刺穗藜Chenopodium aristatum	3.32	2.92	3.38
	野葱Allium chrysanthum	2.43	4.27	3.15		灰绿藜Oxybasis glauca	5.09	2.21	1.28
	独行菜Lepidium apetalum	2.64	1.96	3.21		猪毛菜Salsola collina	2.21	1.98	2.59
	二裂委陵菜Potentilla bifurca	3.63	2.01	1.75		狗尾草Setaria viridis	3.68	7.38	2.57
	细叶鸢尾Iris tenuifolia	3.78	4.55	4.23		点地梅Androsace umbellata	0.99	3.27	1.29
	乳白花黄芪Astragalus galactites	1.63	1.70	2.22		地锦Euphorbia humifusa	1.99	0.99	1.09
	天门冬Asparagus cochinchinensis	2.14	1.60	1.96		尖头叶藜Chenopodium acuminatum	1.96	1.30	2.98
	野韭Allium ramosum	3.61	7.52	5.06		虎尾草Chloris virgata	16.14	4.61	0.72
	米口袋Gueldenstaedtia verna	1.47	2.11	1.60		虫实Corispermum hyssopifolium	3.14	3.90	2.73
	阿尔泰狗娃花Aster altaicus	2.91	5.20	2.11		栉叶蒿Neopallasia pectinata	11.21	2.68	16.18
	多根葱Allium polyrhizum	0.99	6.11	7.41		燥原荠Stevenia canescens	1.32	2.54	1.96
	矮葱Allium amsopodium	3.24	2.56	2.06		画眉草Eragrostis pilosa	2.67	7.98	7.72
	并头黄芪Scutellaria scordifolia	6.86	10.52	8.78		女蒌菜Silene aprica	1.22	0.70	3.93
	星毛委陵菜Potentilla acaulis	1.13	2.28	1.13		花旗杆Dontostemon dentatus	-	-	2.49
	瓣蕊唐松草Thalictrum petaloideum	1.90	4.46	1.14		沙蓬Agriophyllum squarrosum	-	3.44	2.59
	细叶葱Allium tenuissimum	2.66	2.65	3.44		大籽蒿Artemisia sieversiana	-	1.78	-
	麻花头Klasea centauroides	-	4.08	-		草木樨Melilotus officinalis	2.79	1.57	-
	沙葱Allium mongolicum	-	4.81	4.14		蒺藜Tribulus terrestris	-	1.59	-
	扁蓿豆Melissilus ruthenicus	-	2.76	-		鹤虱Lappula myosotis	-	1.23	2.14
	麻黄Ephedra sinica	-	1.69	-		细叶苦荬菜Ixeris gracilias	-	2.65	-
	硬毛棘豆Oxytropis hirta	2.18	1.55	-		轴藜Axyris amaranthoides	6.89	-	-
	多叶棘豆Oxytropis myriophylla	1.38	-	1.14		变蒿Artemisia commutata	-	-	1.95
	斜茎黄芪Astragalus laxmannii	-	2.28	-		风毛菊Saussurea japonica	-	-	2.52
	狼毒Stellera chamaejasme	-	2.35	-		苋菜Amaranthus tricolor	1.38	-	-
	菊叶委陵菜Potentilla tanacetifolia	-	0.45	-		碱地肤Kochia scoparia	2.53	-	-

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