甘肃省屈吴山自然保护区不同群落类型中白桦的大小级结构与种群动 关键词: 白桦;大小级结构;种群动态;屈吴山[gap=1464]Key words: Betula platyphylla; size structure;population dynamics;Quwu Mountains
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Hierarchical Size Structure 等级规模结构
size-structure 大小结构
size structure of 大小结构
rank-size structure 等级规模结构
patch size structure 斑块规模结构
urban size structure 城市规模结构
large size structure 大型结构物
grain size structure 粒度结构
quantum size structure 量子尺寸结构
The types of population size structure which is of serious imcompletion are classified into the growing type, the initial declining type, the mid-declining type and declining one.
崖柏种群大小级结构分析:崖柏种群各龄级间出现严重的断层现象,同时将崖柏种群划分为4个类型:增长型,始衰型,中衰型和老衰型。
参考来源 - 我国珍稀濒危植物——崖柏种群生态学研究This article analyzes and discusses characters and impacts of urbanization development in Jiangxi Province from the perspectives of urbanization process, the size structure of the cities and the differences in space and so on.
本文从江西省城市化历程、城市规模结构及其空间差异等方面对江西省城市化发展特征及其作用和影响进行了分析和讨论。
参考来源 - 江西省城市化的效益与成本分析·2,447,543篇论文数据,部分数据来源于NoteExpress
Chapter Four Monopoly size structure and gains model.
第四章垄断规模结构与盈利性模型。
To monitor the change in the size structure of phytoplankton community in enclosures after the introduction of fish.
监测围隔中引入鱼以后浮游植物群落在大小结构方面的变化。
Population size structure and population dynamics were elucidated with some statistical parameters, such as growth, survival and reproduction etc.
并通过对其生长、残存和繁殖等统计学参数的描述,揭示了种群结构和种群动态。
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