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
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
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
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
The dominant species are Coccinella septempunctata,Rodolia pumila,R.
其优势种群为七星瓢虫(Coccinella septempunctata)、小红瓢虫(Rodolia pumila)、大红瓢虫(R。
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。
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。
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。
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。
The predominant species are Musea domestica, Helicophagella melanura and Lucilia cuprina.
优势种群为家蝇、尾黑麻蝇和丝光绿蝇。
Correlation between Rice Planthopper and the Advantage Population of Natural Enemies
稻飞虱与天敌优势种群的相关性研究
The Niche Characteristics of the Dominants in Forest Communities at the Sejilashan;
色季拉山森林群落优势种群生态位特征研究
The Dynamic Research of Insect Community and Dominance Population in Shaanxi Luochuan Apple Orchard;
陕西洛川苹果园昆虫群落与优势种群动态研究
ANALYSIS ON SPATIAL PATTEMS OF DOMINANTS ON STIPA BREVIFLORA STEPPE
短花针茅荒漠草原群落优势种群空间格局分析
Interspecific Relationships of Dominant Understory Species in Abies Forest in Sejila Mountain,Tibet
西藏色季拉山冷杉林下优势种群种间关联
INTERCONNECTION AMONG DOMINANT PLANT POPULATIONS OF CASTANOPSIS COMIMUNTTY IN JINGGANG MOUNTAIN NATURE RESERVE
井冈山自然保护区栲属群落优势种群的种间联结关系研究
The Study on Species Diversity and Dominant Populations Niche of Gymnocarpos Przewalskii Maxim. Community in Hami Basin;
哈密盆地裸果木群落物种多样性及其优势种群生态位研究
The Study on Species Diversity and Dominant Populations Niche of Different Communities in Ebinur Lake Wetland;
艾比湖湿地典型植物群落物种多样性及其优势种群生态位研究
A subdivision of an association having one dominant species of plant.
单优种群体具有一种优势植物的亚门
Partition of Parents Group, Analysis of F_1 Heterosis and Use of F_2 in Hybrid Wheat;
杂种小麦亲本优势群划分及其F_1优势分析与F_2优势利用
Study on Population Dynamic and Community Dominance Species Niche of Quercus Liaotungensis;
辽东栎种群动态及其群落优势种生态位研究
Grouping of Parental Lines and Establishment of Heterotic Patterns in Indica Hybrid Rice (Oryza Sativa L.);
杂交灿稻亲本杂种优势群的划分及杂种优势模式的构建
Analysis of Heterotic Groups with Heterosis in Maize and Comparative Genomics between Maize and Coix;
玉米杂种优势群与杂种优势及其与薏苡比较基因组研究
Study on Heterotic Groups and Patterns of High Amylopectin Maize
高支链淀粉玉米的杂种优势群和杂种优势模式研究
Resource and dominant population dynamics of coccinellids in agro forestry farmland in Central Hebei Province
冀中农林复合环境瓢虫资源及优势种种群动态
Population structure and distribution pattern of dominant species in Tilia mandshurica forest in Dongling Mountain of Beijing
东灵山糠椴林优势种种群结构与分布格局
It means growth dominance of the Yangtze population and male crab of each population would be expressed in optimal environment but not in poor environment.
在优良环境中 ,长江种群的生长优势和两种群内雄性的生长优势才能得到发挥