通过室内培养试验,研究了仲丁灵对土壤中三大类微生物种群动态变化和土壤呼吸强度的影响。
Effects of butralin on 3 major groups of soil microorganism population and soil respiration intensity were studied with cultivation, closed or direct absorption methods in laboratory, respectively.
并测定无菌土中木霉与病原菌的种群动态变化,结果表明木霉在土壤中对病原菌有一定的抑制作用。
Observation of the dynamic population changes in Trichoderma spp. and the pathogen of the disease showed that Trichoderma spp. had some inhibitory effect on the pathogen of the disease in the soil.
他目前的研究范围从研究鲑鱼的动态系统和鳕鱼种群数量到建造植物和动物物种应对全球气候变化的模型。
His current studies range from researching the dynamics of salmon and cod populations to modeling plant and animal species' response to global climate change.
他目前的研究范围从研究鲑鱼的动态系统和鳕鱼种群数量到建造植物和动物物种应对全球气候变化的模型。
His current studies range from researching the dynamics of salmon andcod populations to modeling plant and animal species' response toglobal climate change.
采用黑光灯引诱逐日调查的方法,研究了太行山低山丘陵区鳞翅目趋光性昆虫种群数量动态变化规律。
By the black light lamp lure and investigation day after day, the population dynamics of Lepidoptera phototactic insects in hill area of lower Taihang Mountain is studied.
本文试用空间差异代替时间变化的方法,分析了贵阳喀斯特山地云贵鹅耳枥种群的动态特征。
In this paper, the dynamics of pubescent hornbeam populations in karst mountain of Guiyang are analysed by using the method of substitution of space for time.
本文以蚕豆和蚕豆蚜构成的人工种间关系系统为对象,研究了蚜虫种群动态和植物生理变化的关系。
The Experiments were carried out to study the relationship dynamics of Aphis craccivora population and Vicia faba between physiological stress on the basis of plant-insect experimental system.
遗传运算参数中的交叉和变异概率随种群结构特征动态变化。
And the probability of crossing and aberrance would be dynamically changed with the structure of population.
分析了白皮松的群落学特征、径级结构及其密度变化规律;绘制了存活曲线和死亡曲线,从多角度研究了白皮松幼林种群的动态变化规律。
The community feature, size-class structure, the regulation of changing density were analyzed and the survival curve, the death curve and the life table were worked out.
森林生境片断化对生活在其中的鸟类产生着难以估量的影响,鸟类的种群动态、种群遗传和局部进化等都不同程度地受环境变化的影响。
Forest fragmentation has immeasurable effects on birds. The population dynamics, population genetics and local evolution of birds are to some extent affected by the changes of environment.
在长时间尺度上研究环境变化条件下的种群动态,有助于确定不同物种如何对新的生物和非生物条件做出反应。
Population dynamics studies under shifting environmental conditions over a longer time scale can help to determine how different species react to new biotic and abiotic conditions.
群落主要植物种群贮藏性营养物质动态呈现规律性变化,但不同放牧制度下,变化规律存在差别。
There are regular dynamics for plant reserves between continuous grazing and rotational grazing, but dynamics are different.
群落主要植物种群贮藏性营养物质动态呈现规律性变化,但不同放牧制度下,变化规律存在差别。
There are regular dynamics for plant reserves between continuous grazing and rotational grazing, but dynamics are different.
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