2) population monitoring
种群监测
1.
The Resources Survey and Population Monitoring of Amphibian in Hupingshan National Nature Reserve Hunan Province;
壶瓶山国家级自然保护区两栖动物资源调查与种群监测
2.
The advance for six pine caterpillars on the identification, synthesis and EAG responses of female sex pheromones, bioassay of synthetic female sex pheromones and the application technique for deploying and population monitoring in pine forests is reviewed.
综述6种松毛虫的雌性信息素的成分鉴定、合成、EAG反应,人工合成雌性信息素的田间活性测定,性诱剂在林间的设置技术及种群监测等应用。
3.
The present paper gives an overview of the application of sex pheromone in the control of the rice stem borer, Chilo suppressalis (Walker), including population monitoring, mass trapping, mating disruption, influencing factors and assessing the effectiveness of control.
综述了二化螟Chilosuppressalis性信息素在种群监测、大量诱捕、干扰交配等方面的研究与应用进展 ,并就其影响因子、评价标准及今后的研究方向进行了扼要的介绍。
4) population number
种群数量
1.
Based on the field survey data obtained from May 1996 to June 2003,the resources of waterfowl in Hubei province of Central China,including species diversity,distribution and population number were studied with systematic sampling such as direct count,quadrat and special survey methods.
1996年5月至2003年7月,使用直接计数法、样方法和专项调查法研究了湖北省湿地水禽资源,包括物种多样性、分布和种群数量。
2.
Trapping mothes using blacklight trap in tobacco field at Fuquan county, the results show that the (seasonal) (dynamics) of the population number of Prodenia litura (Fabricius) and Heliothis armigera (Hubner) changes by a wide margin (among) different years.
在福泉烟田设置黑光灯诱蛾 ,结果表明 :斜纹夜蛾及棉铃虫成虫种群数量季节性消长年度间变化大 ,强翅夜蛾年发生 2个世代 ,金弧翅夜蛾、掌夜蛾年发生多世代。
3.
The population numbers, densities, structure and reasons of negative increasing of Moschus chrysogaster in Xinglong Mountain were studied in the paper.
对兴隆山马麝资源的种群密度、种群数量和种群结构以及负增长原因进行了研究分析。
5) Population
[英][,pɔpju'leɪʃn] [美]['pɑpjə'leʃən]
种群数量
1.
Effects of fertilizers of different levels on Myzus persicae population on broccoli;
不同施肥水平对青花菜桃蚜种群数量的影响
2.
Monitoring research of population and distribution of giant panda in Changqing nature reserve;
长青保护区大熊猫种群数量与分布监测研究
3.
Distribution and population of Oriental Pied Hornbill in Nonggang Natural Reserve;
弄岗自然保护区冠斑犀鸟的分布与种群数量
6) Population quantity
种群数量
1.
Influence of pines damaged to different degrees on population quantity of Dendrolimus punctatus;
取食不同受害程度的马尾松对马尾松毛虫种群数量的影响
2.
The effect of UV-B radiation on the population quantity of spring wheat rhizospbere microorganisms;
紫外辐射增加对春小麦根际土壤微生物种群数量的影响
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