in grassland
在草原
2025-09-07 19:26 浏览次数 6
在草原
the seasonal changes of soil animals in grassland have the typical distribution characteristics of soil fauna in songnen grassland.
草地土壤动物的季节变化代表了松嫩草原区土壤动物群落分布的特征。
this work was carried out in grassland ecosystem at basin of silinriver, inner-mongolia, for understanding the community structure and standing crop of small rodent in different biotope.
本文研究了锡林河流域草原生态系统不同植被群落和生境中鼠类的生物量和营养物质现存量。
the statistics and analysis of 1053 papers published in grassland of china from 1996~2005 were conducted.
以《中国草地》1996~2005年刊载的1053篇科学论文为样本,对载文信息进行了统计分析。
a number of studies on the soil respiration in grassland communities of the world were reviewed.
本文综述了草原群落土壤呼吸研究的理论、方法、最新进展和主要成果。
grassland vegetation, which is the primary producer in grassland ecosystem, has very serious effect on regional climate and even global climate and environment change.
草地植被是草地生态系统中的第一性生产者,对区域甚至全球气候和环境变化具有很大的影响。
the research of sustainable development in grassland is one of the main content in ecology.
草地生态持续发展研究是当今草地生态学研究的主要内容之一。
at present, northern grassland resources of china are facing a serious decline in grassland productivity and grazing capacity.
目前,我国北方草地资源面临着草地生产力严重下降,草地载畜量普遍降低的危机。
the distribution of flowering phase of plant in grassland community was studied by localized observation on phenological phase of species.
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。
the result indicates that insect communities of grassland are in relation to the type of grassland rich degree of vegetation in grassland and humidity of living enviornment.
结果表明:草场昆虫群落与草场类型、草场植被丰富度和生境湿度有一定的关系。
upgrading the technical level in grassland animal husbandry is an effective way to raise animal production level.
增加草地畜牧业生产的科技含量是提高畜牧业生产水平的有效途径;
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。
a typical landscape of 「black soil beach」 appeared in grassland with extreme degradation; the growth of the clones was in a lowest level.
极度退化的草地已呈现典型的「黑土滩」景观,高山嵩草的克隆生长维持在最低水平。
recently, serious degradation and constant rodents and pests in grassland cause severe deterioration of ecological condition.
近些年来,新疆畜牧草场严重退化,鼠虫害此起彼伏,导致生态环境严重恶化。
the bird communities take on successional law in different aged manpower forests in grassland area.
草原地区不同林龄的人工林中鸟类群落的组成呈现出一定的替代演替规律。
the effective vegetation coverage of resisting wind erosion in grassland was 60%.
草原地表抗风蚀的有效植被盖度为60%;
the pellet-group density in woodland was higher than that in grassland, but the aggregate index in grassland was higher than that in woodland.
粪堆密度林地大于草地,但粪堆聚集指数草地却高于林地。
shi junhong et al. based on literature review and field work in wulate midum banner in inner mongolia, discussed the sustainability of ecological migrant project in grassland pastoral area.
史俊宏等在其文章中通过文献总结和内蒙古乌拉特中旗的实地调查,分析了草原牧区生态移民的可持续性问题。
according to spectrum characteristics of various grassland vegetations, vegetation indexes were settled which are often applied in grassland monitoring nowadays.
根据草地植被的光谱特征,整理目前常用于草地监测的植被指数。
model are also used in grassland grazing systems, which are an important part of ecosystems.
草地放牧系统作为生态系统重要组成部分,对其研究自然也离不开模型的应用。
it is a negative feed back mechanism and an important link in degradation succession mechanisms in grassland communities.
在草原群落退化演替机理研究中,对个体小型化的深入认识是十分重要的环节。
several ecological issues were discussed and the advantages in grassland industry development were illastrated based on the analysis of the natural and agricultural resources.
通过对农业自然资源的分析,就其草业发展的若干生态学问题进行了讨论,并指出了草业发展的优势条件。
locoweed is a main poisonous plant in the world, and is also the most important toxic plant in grassland of china.
疯草是有世界性危害的一类重要有毒植物,也是中国第一大有毒植物。