There exists resource partition in nest-site selection among grassland birds. The main factors that influence grassland bird nest-site selection are the height and density of herbage, and the density ofArmerniaca sibiric.3.
草原鸟类的巢址选择中存在资源分割，影响草原鸟类巢位选择的主要因子是草本植物的高度和密度、蒙古山杏的密度。
参考来源 - 鸟类群落结构形成的因素分析·2,447,543篇论文数据，部分数据来源于NoteExpress
There are 9 factors which affect nest-site selection.
影响巢址选择的主要因素9种；
There exists resource partition in nest-site selection among grassland birds, there are three guilds: nesting in higher and denser grass birds guild;
通过草原鸟类在巢位选择时对巢址资源分割的研究，揭示了草原鸟类群落的集团结构，共分为三个集团，即：高密度、高草营巢鸟类集团；
The nest-site selection of Great Bustard is strict, it mainly selects the grassland with small hill which with gradient slow and nest above the middle parts of hill.
大鸨巢址选择严格，多选择在岗坡的中部以上、坡度较缓的草原上营巢。
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