1) Aneurolepidium dasystachy community
赖草群落
3) aquatic macrophyte community
水草群落
4) weed community
杂草群落
1.
Effect of protective cultivation on weed community composition and species diversity
保护性耕作对农田杂草群落组成及物种多样性的影响
2.
Four weed community groups were divided in 31 sites, one of which was obtained with almost all soybean (com) stubble rape field sites dominated with Galium apalium, and three gro.
利用７ 级目测法调查了南京地区油菜田３１ 个样点的杂草优势度级，并以其重要值为指标，对３１ 个样点的杂草群落进行计算机模拟聚类分析。
3.
Digitaria sanguinalis+Acalypha australis+Cephalanoplos segetum+Setaria viridis weed community distributed in the cotton fields with the successive .
采用杂草群落和草害的数量研究方法，对江苏省沿海地区棉田杂草草害和群落的发生及分布规律进行了定量调查研究。
5) grassland community
草地群落
1.
On the base of primary production of different grassland community, the primary production of grassland community is studied in central region of loess plateau.
在各类草地群落初级生产基础上，综合对比分析了黄土高原中部草地群落初级生产，主要表现在以下方面：草地群落初级生产及其与水热条件的关系；净生产量的季节变化；同化器官与非同化器官初级生产的数量关系；不同等级牧草的数量关系；地下初级生产变化与建群种物候关系等方面。
6) Leymus chinensis communities
羊草群落
1.
The biomass of C_3 and C_4 plant function groups in Leymus chinensis communities and theirs response to environmental change along Northeast China transect;
中国东北样带羊草群落C_3和C_4植物功能群生物量及其对环境变化的响应
2.
The species composition and the qualitative characteristics of the dominant species were compared among nine Leymus chinensis communities in Mid-east Inner Mongolia steppe.
比较研究了内蒙古中东部草原9个羊草群落的种类组成及优势种种群数量特征的空间变化。
补充资料：大赖草
禾本科Gramineae
多年生草本，高1m以上。具横走根茎。叶鞘松弛包茎，具膜质边缘，叶片较长，淡绿色，质硬。分布于新疆准噶尔盆地，生于流动沙丘或沙质草原。前苏联也有分布。为固沙植物，也是培养小麦良种的优良亲本。处濒危状态。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条