Research Journal of Biological Sciences
444 - 447
Adler, P.B., D.A. Raff and W.K. Lauenroth, 2001. The effect of grazing on the spatial heterogeneity of vegetation. Oecologia, 128: 465-479.Direct Link |
Ardekani, M., 2003. Ecology. University Tehran, Iran, pp: 68-70.
Belsky, A.J., 1986. Does herbivory benefit plants: A review of the evidence. Am. Natl., 127: 870-892.CrossRef | Direct Link |
Benton, M.W. and D.B. Wester, 1998. Biosolids effects on tobosagrass and alkali sacaton in a Chihuahuan desert grassland. J. Environ. Qual., 27: 199-208.Direct Link |
Bertiller, M.B. and F. Coronato, 1994. Seed bank patterns of Festuca pallescens
in semiarid Patagonia (Argentina): A possible limit to bunch reestablishment. Biol. Conserv., 3: 57-67.CrossRef |
Bertiller, M.B., 1996. Grazing effects on sustainable semiarid rangeiands in Patagonia: The state and dynamics of the soil seed bank. Environ. Manage., 20: 123-132.CrossRef |
Bertiller, M.B., 1998. Spatial patterns of the germinable soil seed bank in Northern Patagonia. Seed Sci. Res., 8: 39-46.CrossRef |
Bidlock, E.J., J.E. Voughan and C.L. Devald, 1999. Forage quality of 10 eastern gamagrass [Tripsacum dactyloides
(L.)] genotypes. J. Range Manage., 52: 661-665.Direct Link |
Callaway, R.M., 1995. Positive interactions among plants. Bot. Rev., 61: 306-349.CrossRef | Direct Link |
Day, K.J., E.A. John and M.J. Hutchings, 2003. Distribution of Roots in Soil and Root Foraging Activity. In: Root Ecological, De Kroon, H. and Visser, E.J.W. (Eds.). Springer-Verlag, Berlin, pp: 33-60.
Fresquez, P.R., R.E. Francis and G.L. Dennis, 1990. Soil and vegetation responses to sewage sludge on a degraded semiarid broom snakeweed/blue grama plant community. J. Range Manage., 43: 325-331.Direct Link |
Mata-Gonzalez, R., R.E. Sosebee and C. Wan, 2002. Shoot and root biomass of desert grasses as affected by biosolids application. J. Arid Environ., 50: 477-488.CrossRef |
Mayor, M.D., R.M. Boo, D.V. Pelaez and O.R. Elia, 2003. Seasonal variation of the soil seed bank of grasses in central Argentina as related to grazing and shrub cover. J. Arid Env., 53: 467-477.CrossRef |
McNaughton, S.J., F.F. Banyikwa and M.M. McNaughton, 1998. Root biomass and productivity in a grazing ecosystem: The Serengeti. Ecology, 79: 587-592.CrossRef | Direct Link |
Milchunas, D.G. and W.K. Lauenroth, 1993. Quantitative effects of grazing on vegetation and soils over a global range of environments. Ecol. Monographs, 63: 327-366.CrossRef | Direct Link |
Mogaaddam, M.R., 2001. Ecology Descriptive and Astistic Vegetal Coverage. University Tehran, Iran, pp: 285.
Mozaffarian, V., 2007. A Dicionary of Iranian, Latin, English, Persian. Farhang Moaser, Tehran.
Oesterheld, M. and O.E. Sala, 1990. Effects of grazing on seedling establishment: The role of seed and safe-site availability. J. Vegetation Sci., 1: 353-358.CrossRef |
Pabot, R.D. and R.F. Beck, 1990. Range condition from an ecological perspective: Modification to recognize multiple use objectives. J. Range Manage., 43: 550-552.Direct Link |
Ping, X., G. Zhou, Q. Zhuang, Y. Wang and W. Zuo et al
., 2010. Effects of sample size and position from monolith and core methods on the estimation of total root biomass in a temperate grassland ecosystem in Inner Mongolia. Geoderma, 155: 262-268.CrossRef |
Richards, J.H. and M.M. Caldwell, 1985. Soluble carbohydrates, concurrent photosynthesis and efficiency in regrowth following defoliation: A field study with Agropyron
species. J. Applied Ecol., 22: 907-920.Direct Link |
Rodriguez, M.V., M.B. Bertiller and C.L. Sain, 2007. Spatial patterns and chemical characteristics of root biomass in ecosystems of the patagonian monte disturbed by grazing. J. Arid Environ., 70: 137-151.CrossRef |
Schlesinger, W.H., J.A. Raykes, A.E. Hartley and A.F. Cross, 1996. On the spatial pattern of soil nutrients in desert ecosystems. Ecology, 77: 364-374.Direct Link |
Schlesinger, W.H., J.F. Reynolds, G.L. Cunningham, L.F. Huennke, W.M. Jarrel, R.A. Virginia and W.G. Withford, 1990. Biological feedback in global desertification. Science, 247: 1043-1048.CrossRef |
Shadkami, H. and G.H. Bibalani, 2010. Under-over ground biomass characterics of perennial species (Teucruim polium
) in Northwest Iran (Till area of Shabestar). Int. J. Acad. Res., 2: 110-113.Direct Link |
Shadkami, H. and G.H. Bibalani, 2011. Over ground Biomass characterics of Genera single species Iran (Cnicus benedictus
) in Northwest Iran (Till area of Shabestar). Int. J. Acad. Res., Vol. 3, No. 1, (In Press).
Snyder, K.A. and D.G. Williams, 2003. Defoliation alters water uptake by deep and shallow roots of Prosopis velutina
(Velvet mesquite). Functional Ecol., 17: 363-374.CrossRef |