【Key words】 community diversity； community complexity； community stability； species groups； niche； environmental gradient； vegetation classification； vegetation ordination； the upper reaches of the Minjiang River；
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Contents of species groups 物种大类口次
15 species and species groups 物种与类群
major species groups 主要种类组
successional species groups 演替种组
species and species groups 物种与类群
identification of species groups 种群特异性鉴定
classify plant species into groups 把植物品种编排分类
According to the adaptability to the environment and the relationships between plants and environment,40 species were divided into 2 ecological species groups: Ostryopsis group and Anemone group.
按照40个优势种对环境的适应方式和主导生态因素,它们被划分为2个生态种组:虎榛子生态种组和大火草生态种组。
参考来源 - 连翘群落数量生态研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Rice medium was used to identify the species groups of genus of Fusarium fungi selected by Komada or No. 1 selective culture medium from soil.
选择镰刀菌用驹田或植选1号培养基，在米饭培养基上划分镰刀菌种群，用试管法或盆栽作致病性测定，以检测土壤中棉花枯萎病致病菌。
The holistic distribution characteristics of 4 species groups: evergreen vs. deciduous and tree vs. shrub species along the altitudinal gradient were then analyzed.
然后分别统计常绿或落叶的乔木或灌木4组物种沿具体海拔高度的整体分布特征。
Enlighted by the mutual contacts between the nature species groups, the paper proposes the inter-group competition and collaboration of genetic algorithms to solve the traveling salesman problem.
受自然界物种群体间相互联系的启发，提出了群体间竞争与协作的遗传算法来解决旅行商问题。
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