对渤、黄海近岸海域底栖生物的种类组成、生物量及栖息密度的分布和群落结构进行了叙述和讨论。
The distribution of benthic biomass and biodensity, composition of species and community structure are studied in coastal waters of the Bohai and Yellow Seas.
此外，种类组成、生物量和群落结构指数都随纬度和潮汛的不同而变化。
In addition, the composition of species, Numbers and the index of community structures were changed with latitude and spring tide.
内容包括造林密度与树冠结构、造林密度与林木生长特性、造林密度与生物量等关系的研究。
The studied items include the relationship between planting density and crown structure, planting density and growth characteristics, planting density and biomass etc.
本文从土壤微生物群落结构、微生物区系、土壤呼吸、微生物生物量以及土壤酶活性方面对大气高浓度CO2的响应进行了综述。
In this paper, the effects of elevated CO2 on soil microbial community structure, soil microflora, soil respiration, soil microbial biomass, and soil enzyme activities were summarized.
本文描述了海南岛尖峰岭热带季雨林的群落结构及地上部分生物量，采用了极点排序法给予此群落命名。
This paper described community structure and biomass of the monsoon forest in Jianfeng Mt. area, Hainan Island. The community was named by adopting P.
GREENLAB模型的原理可以应用于对作物根系形态结构和生物量分配的动态模拟；
The principle of GREENLAB plant model can apply to simulate morphology and biomass partitioning of crop root system.
分株的数量、生物量及高度结构和球茎数量、生物量及大小结构生长季内具有不同的动态过程。
The seasonal dynamic of the quantity, biomass and height structure of ramets and the quantity, biomass and size structure of tubers were all different.
因而研究土壤养分分布方式对群落结构和生物量的影响，对揭示植被演替规律具有重要的意义。
So the study of the effects on community structure and biomass of the soil nutrients, different distribution pattern is very important to the revelation of the law of vegetation succession.
土壤酶活性的提高表明改良后的土壤结构、性能更适宜土壤微生物的繁殖和生长，土壤中的微生物量增加。
Increased soil enzyme activity means that the amended soil structure and properties were very beneficial to the reproduction and growth of soil microorganisms.
长期重度放牧使高寒灌丛群落结构简化，地上现存生物量特别是优良牧草的现存量减少。
Long - term heavy grazing simplified the alpine shrub community and decreased the standing above - ground biomass, especially palatable herbage plants.
过度的放牧行为致使若尔盖高原湿地生物量减少、土壤结构变化，造成生态系统总服务价值和服务水平下降。
Overgrazing induced the biomass reduction and soil deterioration, resulting in the decline of Ruoergai Plateau wetland ecosystem service value and service capacity.
基于结构-功能模型是一种主要的植物建模方法，生物量的分配是其构建的一个难点，到目前为止仍没有一种被广泛接受的方法，本文以此为出发点对植物建模进行了探讨。
Structure-function model is one of the most important plant modeling method , and the distribution of biomass construction is the most difficult aspect, so far not a widely accepted view.
因此，研究专家系统知识组织方法和知识库对于生物量软测量混合模型结构的构建具有重要的理论意义。
Therefore, researching expert system knowledge organization method and knowledge base is meaningful theoretically for structuring soft-sensor hybrid model.
因此，研究专家系统知识组织方法和知识库对于生物量软测量混合模型结构的构建具有重要的理论意义。
Therefore, researching expert system knowledge organization method and knowledge base is meaningful theoretically for structuring soft-sensor hybrid model.
应用推荐