[1] 姚爱兴,王培,樊奋成,等.不同放牧处理下多年生黑麦草/白三叶草地第一性生产力研究[J]. 中国草地,1998,24(2):12-16 [2] Grimes J P.Control of species diversity in herbaceous vegetation[J]. Journal of Environmental Management,1973,1:151-167 [3] Huston M A.General hypothesis of species diversity[J]. Am.Nat.,1979,13:81-101 [4] 王思远,张增祥,周全斌,等.遥感与GIS支持下的中国森林植被动态变化分析[J]. 资源科学,2002,24(5):64-69 [5] Reategui K.Persistence of mixed pastures with different pasture management system on clay[J]. Agriculture Ecosystems & Environment,1999,72(3):16-24 [6] 董全民,赵新全,马玉寿.放牧强度对混播草地群落数量特征的影响[J]. 草地学报,2007,15(4):394 [7] 陈佐忠,汪诗平.中国典型草原生态系统[M]. 科学出版社.2000.9-15 [8] 邱波,任青吉,罗燕江,等.高寒草甸不同生境类型植物群落的α及β多样性的研究[J]. 西北植物学报,2004,24(4):655-661 [9] 王伯荪,彭少麟.植被生态学-群落与生态系统[M]. 北京:中国环境科学技术出版社,1997,5-12 [10] 王献浦,刘玉凯.生物多样性的理论与实践[M]. 北京:中国环境科学出版社,1994,1-67 [11] Grimes J P.Benefits of plant diversity to ecosystems:immediate,filter and founder effects[J]. Journal of Ecology,1998,86:902-910 [12] 王明君.韩国栋,赵萌莉,等.内蒙古呼伦贝尔草甸草原的草地退化等级数量分析[J]. 西北植物学报,2007,27(4):798 [13] Yang L M.Hart N,Li J D.Plant diversity change in grassland communities along a grazing disturbance gradient in the northeast China transect[J]. Acta Phytoecologica Sinica,2001,25(1):110-114 [14] 周纪伦,郑师章,杨持.植物种群生态学[M]. 高等教育出版社,1992,239-242 [15] Haynes R J.The decomposition process:mineralization,immobilization,humus formation and degradation[A]. In:Haynes R J.ed.Mineral Nitrogen in the Plant-Soil System[C]. London:Academic Press,1986.52-126 [16] 茹文明,张桂萍,张金屯,等.太行山南段森林群落物种多样性研究[J]. 西北植物学报,2006,26(5):1036-1042 [17] 韩国栋,焦树英,毕力格图,等.短花针茅草原不同载畜率对植物多样性和草地生产力的影响[J]. 生态学报,2007,27(1):187 [18] Reynolds C M,Wolf D C.Effect of soil moisture and air relative humidity on ammonia volatilization from surface-applied urea[J]. Soil Science,1987,143:144-152 |