期刊文献+

短期氮添加对草地植被群落的影响

Effects of Short-Term Nitrogen Addition on Plant Community of Grassland
下载PDF
导出
摘要 为探究短期氮添加对草地植被群落多度及高度的影响,选取赖草、碱茅为研究对象,设置4个氮浓度(0、5、10、15 gN/m^(2)),分析了不同月份中植被的生长特征及对氮添加的响应规律。结果表明:①植被群落多度及高度随月份的增加而增加;②短期氮添加显著增加了赖草的群落多度,降低了碱茅的群落多度;③短期氮添加增加了赖草与碱茅的群落高度。草地植被群落受到短期氮添加的影响,该结果为促进草地生态恢复提供了依据。 This present study was to explore plant community abundance and height under short-term-nitrogen nitrogen addition in grassland ecosystems.Leymus secalinus and Puccinellia tenuiflora were used for this study and four levels of N(0,5,10,15 gN/m^(2))as fertilization gradients.The growth characteristics of plant community to different months was analyzed in order to discuss the effect of nitrogen addition.The results showed that:①The abundance and height of plant community increases along with the increased months;②Short-term nitrogen addition significantly increased the community abundance of Leymus secalinus,but significantly reduced the community abundance of Puccinellia tenuiflora;③Short-term nitrogen addition increased the plant community height of Leymus secalinus and Puccinellia tenuiflora.Therefore,plant community were affected by short-term nitrogen addition.A theoretical basis was provided by the results for promoting grassland ecological recovery.
作者 袁雅心 Yuan Yaxin(Nature Reserve Projects and Fauna and Flora Conservation Center of Hebei Province,Shijiazhuang 050081,Hebei,China)
出处 《绿色科技》 2024年第14期54-57,共4页 Journal of Green Science and Technology
关键词 短期氮添加 群落多度 群落高度 short-term nitrogen addition community abundance community height
  • 相关文献

参考文献14

二级参考文献260

共引文献544

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部