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- Abstract: The distribution of flowering phase of plant in grassland community was studied by localized observation on phenological phase of species. 摘 要: 通过草地群落物种物候期定位观测,研究了植物种的花期分布规律。
- A climax community that has been disturbed by various influences,especially by human beings and domestic animals,such as a grassland community that has been altered to desert by overgrazing. 人为顶极群落受到多种力量侵扰的变极群落,尤其是人和家畜,如草原群落由于过度放牧而变成沙漠。
- A climax community that has been disturbed by various influences, especially by human beings and domestic animals, such as a grassland community that has been altered to desert by overgrazing. 人为顶极群落受到多种力量侵扰的变极群落,尤其是人和家畜,如草原群落由于过度放牧而变成沙漠
- Lastly, by using the Niche preemption model, Broken stick model, Overlapping niche model and Logarithmic series distribution, species relative abundance distribution in forest community, thicket community and grassland community in ATB were studied. 最后,通过生态位优先模型、分割线段模型、重叠生态位模型、对数级数分布模型4种物种相对多度分布模型对安太堡矿区森林群落、灌丛群落和草地群落的物种多度进行拟合。
- Grazing disturbance is one of nain factors affecting change in plant diversity of grassland communities. 放牧干扰是草地群落植物多样性变化的主要影响因素之一。
- Abstract: Grazing disturbance is one of nain factors affecting change in plant diversity of grassland communities. 摘 要: 放牧干扰是草地群落植物多样性变化的主要影响因素之一。
- Yang Limin,Wang Renzhong,Li Jiandong.Effect of grazing disturbance gradient on plant diversity of main grassland communities in the Songnen plain of China[J].Acta Agrestia Sinica,1999,7(1):8-16. [6]杨利民;王仁忠;李建东.;松嫩平原主要草原群落放牧干扰梯度对植物多样性的影响[J]
- The climate on grassland is capricious. 草原的气候变化无常。
- Our community is a leader in the conservation of wildlife. 我们社区在野生动物保护方面走在前头。
- The horses are eating grass on the grassland. 马在草地上吃草。
- Artificial grassland communities 人工草地
- In South America, a treeless, grassland area. 南美大草原南美洲的一个无树的草原
- He worked in community welfare department. 他在社会福利部工作。
- Here is a local Jewish community. 这是当地犹太人的一个社区。
- A member of a convent or other religious community. 修道院住院修士修道院或其他宗教团体成员
- Most of the nomads live in grassland and have no fixed home. 游牧部落的大多人都生活在草原上并且居无定所。
- He is ill reputed in the business community. 他在商界名声不好。
- Mrs. White is earnest about community work. 怀特太太对社区工作十分热心。
- We visited the Chinese community in San Francisco. 我们访问了旧金山的华人社区。
- The community's prime need is a new school. 这个社区的第一需要是一所新学校。