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bionomic strategies
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  生态对策
     As the r_bionomic strategies species ,the grasses have an importance role in the restoration of degraded ecosystems.
     草类作为r型生态对策的先锋物种 ,在生态恢复和重建中作用显著 ,干旱瘦薄地种草明显优于种树。
短句来源
     Current situation was generalized an analyzed on the information obtained from the research of population growth,structure dynamics,clonal growth pattern,morphological plasticity,physiological integration,and bionomic strategies of bamboo clonal population ecology. In the 21st century,the application of ecological high effective integration theories and its technologies on bamboo forest culture and utilization was discussed.
     从竹类无性系种群增长及结构动态、无性系生长格局、形态可塑性、生理整合作用和生态对策等方面 ,对竹类无性系种群生态学的研究现状进行了分析和总结 ,提出以生态高效整合理论及技术为核心的竹类无性系种群生态学研究方向 ,在 2 1世纪竹林资源培育与利用实践中具有广阔的应用前景
短句来源
  “bionomic strategies”译为未确定词的双语例句
     BIONOMIC STRATEGIES AND ECO-ECONOMIC
     生态对策与生态经济
短句来源
     Bionomic Strategies of Pleioblastus maculata Clone Population of Natural and Man-made Forests
     斑苦竹无性系种群在自然林和人工林中的生态对策
短句来源
     luctuosus; 3) Salticidae: Hasarius; 4) Tetragnathiade: Tylorida Simon on their habitats, structures of the web and behaviors (spinning, predation, web, cocoon) in the wild field and indoors indicate that these three ecotypic spiders are different in the structures of web or nests and behavior attributed to their different bionomic strategies.
     对这3种蜘蛛丝的红外光谱进行比较,结果表明不同类型的蜘蛛丝所含的这3种二级结构的比例不同,其二级结构的不同组成赋予了蜘蛛丝不同的特性(如强度、延展性、弹性、弹性模量、断裂能等),这种不同的特性又与其不同的生物学功能(网的构建、捕食、逃避和织制卵囊)相适应。
短句来源
     The theory of Harper' S (1977) modular structure and population ecological principles and methods are adopted to the research in this paper. The bionomic strategies of Pleioblastus maculata clone population of natural and man-made forests are studied on Jinyun Mountain, Chongqing, Sichuan Province,China,in 1992-1994,by 32 indices of habitat,clone population life-history and biology of P. maculata.
     本研究自 1992~1994年,引用J L Harper(1977)的构件结构理论和种群生态学的原理和方法,对四川缙云山斑苦竹(Pleioblastus maculata)·在无性系立竹构件种群水平上,选择生境参数,无性系种群生活史或动态参数和斑苦竹的生物学参数等三个方面的32个指标,分析了自然林和人工林斑苦竹无性系种群。
短句来源
  相似匹配句对
     The ? R Strategies?
     “3R”策略是银行营销的核心内容。
短句来源
     BIONOMIC STRATEGIES AND ECO-ECONOMIC
     生态对策与生态经济
短句来源
     Office Strategies
     办公室故事(连载) 权谋诈术
短句来源
     Bionomic Strategies of Pleioblastus maculata Clone Population of Natural and Man-made Forests
     斑苦竹无性系种群在自然林和人工林中的生态对策
短句来源
     STUDY ON THE BIONOMIC OF LASPEYRESIAZEBEANA
     松瘿小卷蛾生物学特性的研究
短句来源
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This paper is a study on the phenology of the main tree species: Pinus koraiensis, Larix olgensis, Pinus sylvestris var. mongolica, Populus ussuriensis, Populus davidiana, Betula platyphylla, Quercus mongolica, Fraxinus mandshurica, Phellodendron amurense, duglans mandshurica, Tilia amurensis, Acer mono, Ulmus propinqua of natural secondary forest in Northeast China. The main phenologieal character of these tree species are studied, the phenological spectrum of these trees is drawn and the relationship between...

This paper is a study on the phenology of the main tree species: Pinus koraiensis, Larix olgensis, Pinus sylvestris var. mongolica, Populus ussuriensis, Populus davidiana, Betula platyphylla, Quercus mongolica, Fraxinus mandshurica, Phellodendron amurense, duglans mandshurica, Tilia amurensis, Acer mono, Ulmus propinqua of natural secondary forest in Northeast China. The main phenologieal character of these tree species are studied, the phenological spectrum of these trees is drawn and the relationship between the phenological period of the tree species and the environmental factors of light, temperature etc. is studied. It has been discovered that the meteorological factors which are most closely related to the germinating, growing and flowering etc. the main phenological periods, are total number of days of sunlight and the mean temperature of each period, showing that solar irradiation and temperature and their combined effect are the important enviromental conditions of phenology, by the principal component analysis (PCA). Thirteen tree species are classified by clustering system according to the environmental factors of germination, growth period, flower period, the phenology date and the phenological type. The result are that there are 5 types of tree germination, 4types of growth period, 4 types of flower period and 4 types of phenology date.Tree bionomic strategies, and a new concept of tree bionomic phenofogy strategies is also put forward through the analysis of the tree phenologieal types and the corresponding bionomic strategies of tree species.

本文以中国东北天然次生林的主要乔木树种:红松、落叶松、樟子松、青杨、山杨、白桦、柞树、水曲柳、黄菠萝、胡桃楸、紫椴、五角槭和春榆为材料,研究了树种物候的主要特征。编制了树种的物候谱,考察了树种的物候期与光照和温度等环境因子的关系,并通过多元统计的主成分分析方法,揭示出与树木萌动期、生长期和开花期等主要物候期关系最为密切的气象因子是总累积日照数和各期的平均温度、阐明温度、光照及其综合作用是物候现象的重要外在条件。用系统聚类的方法对13个树种分别依萌动期、生长期、开花期的环境因子和物候日期进行了分类,确定了萌动类型五个,生长的物候类型四个,开花的物候类型四个,物侯日期的物候类型四个。并把树木的物候类型与树木的生态对策作了对应分析,提出了树木生态物候对策的概念。

Describes the innate increasing capacity ( rm ) ,habitat saturated density of population (K) , density of Population balance, .and T/H ratio of natural population of Pristiphora erichsonii ( Hartig ) . Bionomic strategy of natural population and control tactics of larch sawfly were suggested.

本文在研究落叶松叶蜂自然种群的内禀增长力r_m、环境负荷量k;及其种群数量达平衡状态时的密度、世代周期与物候比值的基础上,讨论了落叶松叶蜂的生态对策,提出了防治策略。

Tree species are systematized Joy clustering analysis according to the phonological period of tree species. Based on the synthetic properties of the multi-state morphological character of the tree phenopase and using the mathematical model of Q-type cluster analysis and the computing techniques of an electronic computer, this paper treats the phenological periods of various tree species by using the polythelic numeration classification method to determine the kindred relationship between similarity and dissimilarity...

Tree species are systematized Joy clustering analysis according to the phonological period of tree species. Based on the synthetic properties of the multi-state morphological character of the tree phenopase and using the mathematical model of Q-type cluster analysis and the computing techniques of an electronic computer, this paper treats the phenological periods of various tree species by using the polythelic numeration classification method to determine the kindred relationship between similarity and dissimilarity of the bionomic phenology class groups of the tree species. In accordance with the result, from the point of view of ecological type taxonomy, the phenology phenotypes of tree bionomic strategies were classified.

依据树木物候多个形态学特征的综合性质,应用数学分析模型对不同树木的物候期进行多元的数量化分类处理,找出树种生态物候类群间相似相异的亲缘关系,并从生态型学的角度划分出相应的树木生态对策物候表现型.

 
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