王普昶,易津,韩智龙,张冬冬,赵丽丽

• 1:内蒙古农业大学

摘要(Abstract)：

对内蒙古草原区不同演替群落华北驼绒藜种群生物量生殖分配(RA)及其影响因子进行了系统研究。结果显示从蕾期、花期到结实期,华北驼绒藜种群RA逐渐增加,但不同种群的生殖配置格局各异。华北驼绒藜种群在3个生殖阶段的RA基本均表现出随分布群落演替阶段的提高而下降的趋势。华北驼绒藜种群的生殖年龄大致可分为4个时期,即幼龄生殖期、过渡生殖期、稳定生殖期和衰退生殖期。3个生殖阶段RA均与种群密度显著正相关;在蕾期,土壤含水量与RA呈极显著正相关;花期和结实期,土壤速效氮均与RA呈显著正相关。

关键词(KeyWords)： 华北驼绒藜;生殖分配;生殖阶段

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金"华北驼绒藜生殖特性和胚胎学研究"(30560099)项目资助

作者(Author): 王普昶,易津,韩智龙,张冬冬,赵丽丽

参考文献(References)：

• [1]操国兴,谢德体,钟章成,等.植物种群的生殖分配[J].四川林业科技,2003,24(2):25-29.
• [2]苏智先,钟章成.四川大头茶种群生殖生态学研究Ⅱ.种群生物量生殖配置格局研究[J].生态学报,1998,18(4):381-388.
• [3]陈劲松,苏智先.缙云山马尾松种群生物量生殖配置研究[J].植物生态学报.2001,25(6)704-708.
• [4]Feng-Rui Li,Ai-Sheng Zhang,Shun-Shan Duan et al.Patterns of reproductive allocation inArtemisia halodendroninhabiting two contrastinghabitats[J].Acta Oecologica,2005,28:57-64.
• [5]Erica Spotswood1,Kate L Bradley,Johannes MHKnops.Effects of herbivory on the reproductive effort of 4 prairie[J].BMC Ecology,2002,2:2.
• [6]Eelke Jongejans,Hans de Kroon,Frank Berendse.The interplay between shifts in biomass allocation and costs of reproduction in four grasslandperennials under simulated successional change[J].Oecologia,2006,147:369-378.
• [7]Paula X.Kover.Effects of parasitic castration on plant resource allocation[J].Oecologia,2000,123:48-56.
• [8]肖宜安,李晓红,胡文海.斑叶兰自然种群生物量生殖分配研究[J].广西植物,2006,26(1):28-31.
• [9]S L Miao,F HSklar.Biomass and nutrient allocation of sawgrass and cattail along a nutrient gradient in the Florida Everglades[J].Wetlands E-cology and Management,1998,5:245-263.
• [10]Eelke Jongejans,Hans de Kroon,Frank Berendse.The interplay between shifts in biomass allocation and costs of reproduction in four grasslandperennials under simulated successional change[J].Oecologia,2006,147:369-378.
• [11]E L P loschuk,G A Slafer,D A Ravetta.Reproductive Allocation of Biomass and Nitrogen in Annual and Perennial Lesquerella Crops[J].An-nals of Botany,2005,96:127-135.
• [12]陈玲,乌江雨,杨持.不同群落类型对羊草种群生殖分配的影响[J].内蒙古大学学报.1996,27(5):713-716.
• [13]王仁忠,祖元刚,聂绍荃.羊草种群生物量生殖分配的初步研究[J].应用生态学报.1999,10(5):553-555.
• [14]宋会兴,苏智先,廖咏梅.淡竹叶种群生殖配置研究[J].西华师范大学学报(自然科学版).2004,25(3):256-258.
• [15]王非,李雷鸿,孙家宝.两种长春花生物量配置的比较[J].北方园艺2007(7):137-139.
• [16]易津,王学敏等.驼绒藜属植物生物学特性研究进展,中国草地学报,2002,11(4):87-94.