In this paper the similarity of species of bird community between habitats and the biomass of bird communities were discussed.
研究了各生境类型之间的鸟类群落的物种多样性和鸟类群落的现存生物量，分析了生境与现存生物量的关系。
Species composition of a Leymus chinensis+forbs community and standing biomass under over-grazed environment
过度放牧对羊草杂类草群落种的构成和现存生物量的影响
It showed aboveground biomass ranged from.
结果表明,在1974至1994年的21年间,在不同放牧处理(放牧压分别为轻度和重度/施肥分少量和大量)的条件下,地上现存生物量的季节变化非常明显,其变化范围为:150～380gDWm-2。
Analysis of temporal changes in herbage biomass in Nixinasuno, Japan Ⅰaboveground biomass;
测定了单位面积内主要牧草的地上现存生物量 ,并进行了统计学分析。
The results showed that biomass of forest litter and total nutrient contents generally reduced with the cutting intensity increasing.
结果表明:不同强度择伐作业10年后林地凋落物现存量和养分总量均下降,且下降幅度随采伐强度的增大而加大。
Primary productivity and the standing stock of photo-plankton in the Bering Sea during the summer of 2003
白令海光合浮游生物现存量和初级生产力
Present biomass distribution and timber physical structure of Guadua amplexifolia
Guadua amplexifolia现存生物量分配和竹材物理结构研究
Study on the Dynamics and Relationship between the Standing Live Aboveground Biomass and Stocking Rate in Different Scales in the Steppe Grassland
不同尺度典型草原地上现存生物量与放牧率动态及其关系研究
Species composition of a Leymus chinensis+forbs community and standing biomass under over-grazed environment
过度放牧对羊草杂类草群落种的构成和现存生物量的影响
Present Aboveground Biomass and Relationship among Component Factors of Gigantochloa apus
阿帕斯立竹现存地上生物量及其构件因子关系研究
The Design of THStoreMan Hierarchical Mass Storage System and the Implementation of Physical Storage;
THStoreMan海量层次存储系统的设计与物理存储的实现
Surviving Status of South China Tiger with Reference to Its Biology Conservation;
华南虎的生存现状及保护生物学研究
family of extinct Mesozoic cephalopods.
现存的中生代头足类动物的一科。
Shadowing and show--on the character survive condition of Huaqiang;
遮蔽与呈现——《花腔》人物生存状态论
Biological information data storage and implementation based on the XML
XML的生物信息数据的存储与实现
cash holdings
现金存量,见 cash Balance
with creatures that can live without the energy of a nearby star;
有些生物可以在没有恒星提供能量的地方生存；
This discovery would explain much of the mass that cannot be found in our galaxy.
这一发现解释了银河系内大量不明物质的存在。
Standing crop and spatial distributional pattern of Mollusca in Lake Taihu, 2006-2007
太湖软体动物现存量及空间分布格局(2006-2007年)
Study on Bioecology Characters and Chemical Elements Content of the Ex-situ Conservation Plants with Bad Survival;
迁地保护生存障碍物种生物生态学特征及叶片化学元素含量研究
The appearance of the red tide has brought threat to the halo bios' existence.
赤潮的出现使海洋生物的生存受到了威胁。
Current situation and existing problems of aquatic species enhancement and releasing in Shanghai water area
上海市水域水生生物增殖放流现状和存在问题
Study on Quality of Life and Correlatin Factors in Head-Neck Carcinoma Patients;
头颈部癌患者生存质量现状及相关因素研究
