跨气候带土壤微生物群落演替及功能基因组对气候条件变化的响应

来源 :中国生态学学会微生物生态专业委员会2015年年会暨国际学术研讨会 | 被引量 : 0次 | 上传用户:gjzd
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
基于中科院鹰潭、封丘、海伦、封丘农田生态系统国家野外科学观测研究站建立的我国东部温度梯度带的土壤置换试验(2005-),首次揭示了跨气候带土壤微生物群落演替及功能基因组对气候条件变化的响应机制,建立了功能基因与土壤硝化潜势和呼吸强度的定量关系.研究结果表明,气候变暖(土壤南移)和气候变冷(土壤北移)显著改变了潮±中土壤微生物群落结构,群落相似性表现出显著的时间衰减关系(time--decay relationship).
其他文献
  兴安落叶松(Larix gmelinii)为松科落叶松属的落叶乔木,主要分布于大、小兴安岭海拔300-1200米地带,为我国东北林区的主要针叶用材林树种.其木材纹理清晰,材质致密,具有较强
  土壤肥力是土壤为植物生长提供所需资源的综合能力,是土壤物理、化学和生物过程相互作用的结果。以往的土壤肥力调控主要采用土壤物理和化学调控手段,这些调控措施为增加粮
  A mixed culture of extremely acidophilic bacteria was conducted for pyrite bioleaching treatment.Community shift,ferrous oxidizing activity and sulfur activ
  Molecular ecological network is regarded as an effective tool to investigate the ecosystem.It could draw an interaction diagram,indicating positive and nega
会议
  对中草药渣进行好氧堆肥中试试验,发现接种菌剂促进了木质纤维素的降解,加快了堆肥进程。取堆肥的中温(0d)、高温(10d)和腐熟(25d)三个时期的样品,对16S rRNA基因进行高通量
  A novel arsenite-oxidizing microbial consortium enriched from a realgar mine region was applied to a immobilized biofilm reactor system to oxidize arsenite
  Anthropogenic discharges of nitrogen(N)and phosphorus(P)have caused widespread threats to coastal ecosystems.Bacterioplankton play crucial roles in N/P cycl
  Homoacetogens are a group of bacteria capable of converting synthetic gases(H2/CO2 and/or CO)to acetate,ethanol,and other chemicals via acetyl-CoA pathway.W
  A compound bioflocculant CBF with high flocculating activity,produced by mixed culture of Rhizobium radiobacter F2 and Bacillus sphaeicus F6 from soil,was i
  Improving the cold resistance and stability of functional microbial communities in wastewaters treatment system is critical to accelerate pollutants detoxif