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1)  dominant population
优势种群
1.
Niche characteristics of dominant populations in Cyclobalanopsis glauca forest in Gutian Mountain;
古田山青冈林优势种群生态位特征
2.
Dynamic characteristics of the dominant populations in different succession stages of evergreen broad-leaved forest on Tiantai Mountain in Zhejiang Province;
浙江天台山常绿阔叶林不同演替阶段优势种群动态
3.
Niche characteristics of dominant populations in Elaeagnus mollis communities,Shanxi;
翅果油树群落优势种群生态位分析
2)  dominant species
优势种群
1.
Occurrence and control of two dominant species of fruit-piercing moth;
吸果夜蛾优势种群的发生与防治
2.
The dominant species are Coccinella septempunctata,Rodolia pumila,R.
优势种群为七星瓢虫(Coccinella septempunctata)、小红瓢虫(Rodolia pumila)、大红瓢虫(R。
3.
Aims Our purpose is to examine changes in community composition and niche character-istics of dominant species in an artificial plant community in the wind-breaking and sand-fixing forest in the lower reaches of the Tarim River, Xinjiang, China.
以塔里木河下游绿洲外围大型防风固沙林为研究对象,采用基于Simpson多样性指数的生态位宽度公式和Pianka生态位重叠测度公式,在群落梯度上按重要值大小筛选出优势种群进行生态位分析,探讨这些群落在4~7年的发育过程中生态位变化特点。
3)  Dominant populations
优势种群
1.
Niche characteristics o f 25 dominant populations in the forest communities o fBa baoshan,Guangdong,were studied by computing their niche breadth value andniche overiap value.
研究了广东八宝山森林群落25个优势种群的生态位特征。
2.
Study of dominant populations and their spatial structures of evergreen broadleav.
研究常绿阔叶林优势种群及其空间结构特征,可正确认识常绿阔叶林的地位和作用,为常绿阔叶林的保护和恢复重建提供理论依据。
3.
The floristic composition and community structure of dominant populations were examined by applying the age class substituting for size structure change.
结果表明不同优势种群的径级结构差异明显:马尾松和烟斗柯缺失或缺乏幼苗,为衰退型种群;福建青冈幼苗充足,中龄级立木占绝对优势,表现为增长型种群,但结构不稳定;鸭脚木幼苗数量丰富,径级分布呈倒J字型,为稳定的增长种群。
4)  Pollution advantage
种群优势
5)  heterosis groups
杂种优势群
1.
Study on heterosis groups of maize inbred lines in Guizhou;
贵州10个骨干自交系杂种优势群的合理划分
2.
Heterosis groups definition and three methods which were mostly utilized in constructing heterosis groups were introduced in the paper.
介绍了杂种优势群的定义及利用农艺性状,系谱关系和DNA分子标记技术构建杂种优势群的方法。
6)  Heterotic group
杂种优势群
1.
The heterotic groups of waxy maize in Jiangsu province were Tongxi 5 group,Hengbai 522 group and other groups,with Tongxi 5 group and Hengbai 52 group being the main group.
分析了通过省级以上审定的迄今江苏省自育的14个糯玉米杂交种的血缘关系及杂交种选系的配合力,结果表明:①江苏省鲜食糯玉米育种的杂种优势群为通系5类群、衡白522类群和其它类群,其中通系5类群和衡白522类群为主要杂种优势群;②杂优模式为通系5类群×衡白522类群、通系5类群×其它类群、衡白522类群×其它类群、其它类群×其它类群,其中通系5类群×衡白522类群是主要杂优模式。
2.
The heterosis analysis showed that the inter-group heterosis was greater than the intra-group heterosis,which indicates the feasibility of dividing rice heterotic groups by using SSR markers.
杂种优势分析表明,群间优势大于群内优势,说明利用SSR标记划分籼型水稻杂种优势群是可行的。
3.
Heterotic grouping of 22 maize inbred lines, including 18 quality protein maize (QPM) lines and 4 domestic temperate common testers that represent four heterotic groups used dominantly in China, were classified by SSR markers.
利用 SSR标记技术对 18个优质蛋白玉米 (QPM)自交系和 4个代表国内主要杂种优势群的普通玉米标准测验种进行杂种优势群划分 ,研究热带、亚热带 QPM与温带玉米自交系之间的遗传关系。
补充资料:种群增长率(见种群出生率)


种群增长率(见种群出生率)


种群增长率见种群出生率。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条