[1] Belsky AJ. 1986. Does herbivory benefit plants ? A review of the evidence. Am Nat, 127: 870~892 [2] Belsky AJ. 1989. Overcompensation by plants: herbivore optimization or red herring? Evol FE col, 7:109~121 [3] Briske DD and Anderson VJ. 1992. Competitive ability of the bunchgrass Schizachyrium scopavium as affected by grazing history and defoliation. Vegetatio, 103: 41~49 [4] Casal JJ, Sanchez RA and Deregibus VA. 1986. The effect of plant density on tillering:the involvement of R/FR ratio and the proportionof radiation intercepted per plant. Environ Exp Bot, 26 : 365~371 [5] Casal JJ, Sanchez RA and Deragibus VA. 1987. Tillering responses ofLolium multiflorum plants to changes of R/FR ratio typical of sparsecanopies. J Exp Bot, 38:1432~1439 [6] Dahi BE and Cotter PE. 1984. Management of weeping lovegrass in west Texas. Texas Tech Univ., Dep. Range and Wildlife, No. 5. Lubbock: Texas Tech Univ. Press. [7] Deregibus VA, Sanchez RA, Casal JJ and Trliea MJ. 1985. Tillering responses to envoronment of red light beneath the canopy in a humid natural grassland. J Appl Ecol, 22:199~206 [8] Fankhauser JJ Jr and Volence JJ. 1989. Root vs shoot effects on herbage regrowth and carbohydrate metabolism of alfalfa. Crop Sci,29: 735~740 [9] Gold WG and Caldwell MM. 1989. The effects of the spatial pattern of defohation on ragrowth of a tussock grass I. Growth responses. Oecologia, 80: 289~296 [10] Grant SA, Barthram GT and Torvell L. 1981. Components of ragrowth in grazed and cut Lolium perenne swands. Grass and Forage Sci,38:333~344 [11] Hodgkinson KC, Ludlow MM, Mott JJ, Baruch Z. 1989. Comparative responses of the savanna grasses Cenchrus ciliaris and Thernnuda triandra to defoliation. Oecologia, 79:45~52 [12] Milchunas DG and Lauenroth WK. 1993. Quantitative effects of grazing on vegetation and soils over a global range of enviroments. Ecol Mongr, 63: 327~366 [13] Murphy JS and Briske DD. 1992. Regulation of tillering by apical dominance:Chronology, interpretive value, and current perspective. Jrange Man, 45: 419~429 [14] Olson BE and Richards JH. 1988a. Annual replacement of the tillers of Agropyron desertorum following grazing. Oecologia, 76:1~6 [15] Olson BE and Richards JH. 1988b. Tussock regrowth after grazing:intercalary meristem and axillary bud activity of Agropyron desertorum.Okios, 51: 374~382 [16] Trumble JT. 1993. Plant compensation for arthropod herbivory. Ann Rev Ent, 38: 93~119 [17] Wang Sh-P(汪诗平)and Li Y-H(李永宏).1999. Degradtion mechanism of typical grassland in Inner Mongolia. Chin J Appl Ecol(应用生态学报),10(4):437~441(in Chinese) [18] ZhongR(张荣),DouG-Z(杜国祯).1998. The abundance and compensation of grazing grassland community. Acta Pratacult Sin (草业学报),7(4):13~19(in Chinese) |