[1] 文启孝等编著.1984.土壤有机质研究法[M].北京:农业出版社,4~9. [2] 甘肃农业大学主编.1985.草原调查与规划[M].北京:农业出版社,106. [3] 李月树,祝廷成.1983.羊草种群地上生物量形成规律的探讨[J].植物生态学与地植物学丛刊,7(4):289~298. [4] 李育中,李博.1991.内蒙古锡林河流域羊草草原生物量动态的研究[J].中国草地,13(1):5~8. [5] 刘明春,马兴祥,尹东,等.2001.天祝草甸、草原草场植被生物量形成的气象条件及预测模型[J].草业科学,18(3):65~69. [6] 周电辉.1986.模糊数学在牧草产量预报中的应用[J].生态学报,6(1):43~52. [7] 杨持,李永宏,燕玲.1985.羊草草原主要种群生物量与水热条件定量关系初探[A].见:中国科学院内蒙古草原生态系统定位站编.草原生态系统研究第一集[C].北京:科学技术出版社,24~37. [8] 姜凤岐,卢凤勇.1982.小叶锦鸡儿灌丛地上生物量的预测模式[J].生态学报,2(2):103~110. [9] 侯光良,陈沈斌,刘允芬.1989.宁夏天然草场产量与气候因子关系及人工草地产量估算[J].自然资源学报,4(1):54~59. [10] 郭继勋,祝廷成.1994.气候因子对东北羊草草原群落产量影响的分析[J].植物学报,36(10):790~796. [11] 贾广寿.1993.蒿属荒漠草地牧草产量动态及预测方法的探讨[J].中国草地,15(2):19~26. [12] 黄富祥,王跃思,傅德山,等.2001.毛乌素沙地低地草甸芨芨草-盐爪爪群落地上生物量对气候因子的动态回归分析[J].草业学报,10(4):24~30. [13] 黄富祥,高琼,傅德山,等.2001.内蒙古鄂尔多斯高原典型草原百里香-本氏针茅草地地上生物量对气候响应动态回归分析[J].生态学报,21(8):1339~1346. [14] 董明春,张颂云,卢凤永,等.1980.数量化理论I在林木选优中的应用[J].中国科学院林业土壤研究所集刊,4:21~40. [15] Dahl BE. 1963. Soil moisture as a predictive index to forage yield for Sandhills range type[J]. J. Range Manage., 16:128~132. [16] Duncan DA, Woodmansee RG. 1975. Forecasting forage yield from precipitation in California's annual rangeland[J]. J. Range Manage, 28(4): 327 ~329. [17] Murphy AH. 1970. Predicted forage yield based on fall precipitation in California annual grasslands[J]. J. Range Manage, 23:363~3651. [18] Rosensweig ML. 1968. Net primary productivity of terrestrial communities: prediction from climatological data[J]. Am.Nat., 102:67~74. [19] Seligman NG, van Keulen H. 1989. Herbage production of a Mediterranean grassland in relation to soil depth, rainfall and nitrogen nutrition:A simulation study[J]. Ecol. Modell.,47:303~311. [20] Smoliak S. 1959. Influence of climatic conditions on forage production of shortgrass rangeland[J]. J. Range Manage, 9: 89~91. [21] Stitt RE. 1958. Factors affection yield and quality of dryland grasses[J]. Agron . J ., 50:136~138. [22] Webb WL, Lauenroth WK, Szarek SR, et al. 1983. Primary production and abiotic controls in forests, grasslands and desert ecosystems in the United States[J]. Ecology, 64:134~151. [23] William GC Jr. 1979. Modelling grassland primary productivity using piecewise stationary, piecewise linear mathematics [J].Ecol. Model., 7:107~123. |