[1] Baoyin Taogetao(宝音陶格涛),Li Y-M(李艳梅),Jia J-F(贾建芬),et al.2000.The change of eature of the generative propagation of Artemisia frigida under different grazing gradients.Acta Inner-Mongolia Univ(Sci Nat)(内蒙古大学学报(自然科学版)),31(3):31~313(in Chinese) [2] Christiansen S, Svejcar T.1988.Grazing effects on shoot and root dynamics above and below ground non-structural carbohydrate in Caucasian bluestem.Grass Forage Sci, 43(2): 111 ~ 119 [3] Geber MA, Watson MA, de Kroon H.1997.Development and resource allocation in perennial plants:The significance of organ preformation.In: Plant Resource Allocation.New York: Academic Press. [4] Holland EA, Delting JK.1990.Plant response to herbivory and belowground nitrogen cycling.Ecology, 71:1040 ~ 1049 [5] King J, Sim EM, Barthram GT, et al.1988.Photosynthetic potential of ryegrass pasture when released from continuous stocking management.Grass Forage Sci, 43: 41 ~ 48 [6] Li Y-H(李永宏).1992.Accordance of grassland dynamics on remporal gradient of restoration succession to their changes on spatial gradient of grazing.In: Research on Grassland Ecosystem.Vol.4.Beijing: Science Press.1 ~ 7(in Chinese) [7] Li Y-H(李永宏).1994.Research on the grazing degradation model of the main steppe rangelands in Inner Mongolia and some considerations for the establishment of a computerized rangeland monitoring system.ActaPhytoecol Sin(植物生态学报),18(1):68~79(in Chinese) [8] Nowak RS, Caldwell MM.1984.A test of compensatory photosynthesis in the field: Implications for herbivory tolerance.Oecologia,61:311~318 [9] Ren J-Z(任继周).1998.Research Methodin Prataculture Science.Beijing:China Agricultural Press.(in Chinese) [10] Schmid B.1990.Some ecological and evolutionary consequences of modular organization and clonal growth in plants.Evol Trends Plants, 4:25~ 34 [11] Smith SE.1998.Variation in response to defoliation between population of Bouteloua curtipendual var.caespitosa (Poaceae) with different livestock grazing histories.Amer J Bot, 85 (9): 1266 ~1272 [12] Su Z-X(苏智先),Zhang S-L(张素兰),Zhong Z-C(钟章成).1998 Advancesin plant reproductive ecology.Chin J Ecol(生态学杂志),17(4):39~46(in Chinese) [13] Wang W(王炜),Liu Z-L(刘钟龄),Hao D-Y(郝敦元),et al.1996a.Reseach on the restoring succession of.the degenerated grassland in Inner Mongolia I.Basic characteristics and driving force for restoration of the degenerated grassland.Acta Phytoecol Sin(植物生态学报),20(5):449~459(in Chinese) [14] Wang W(王炜),Liu Z-L(刘钟龄),Hao D-Y(郝敦元),et al1996b.Research on the restoring succession of the degenerated grassland in Inner Mongolia Ⅱ.Analysis of the restoring processes.ActaPhytoecol Sin(植物生态学报),20(5):460~471(in Chinese) [15] Wang S-P(汪诗平),Li Y-H(李永宏).1999.Degradation mechanism oftypical grassland in Inner Mongolia.Chin J Appl Ecol(应用生态学报),10(4):437~441(in Chinese) [16] Watson MA, Geber MA, Jones CS.1995.Ontogenetic contingency and the expression of plant plasticity.Trends Evol Ecol, 10: 474~475 [17] Wilsey BJ.1996.Urea additions and defoliation affect plant responses to elevated CO2 in a C3 grass from Yellowstone National Park.Oecologia, 108:321 ~ 327 [18] YangC(杨持),BaoyinTaogetao(宝音陶格涛),Li L(李良).2001.Variation of module of Artemisia frigida population under different grazingintensities.ActaEcol Sin(生态学报),21(3):405~408(in Chinese) [19] Zhong Z-C(钟章成).1995.Reproductive strategies of plant population.Chin J Ecol(生态学杂志),14(1):37~42(in Chinese) [20] Zhou H-Y(周海燕).1999.Responses and variations of Artemisia frigida and Artemisia halodendron to water stress in Keerqin Sandyland Grassl China(中国草地),(6):13~17(in Chinese) |