1) artemia density
卤虫密度
1.
Effect of artemia density on food intake of mysis of P.
用 1000ml小水体进行斑节对虾和凡纳对虾各期幼体对卤虫无节幼体摄食量的比较实验, 结果表明, 二种对虾的卤虫摄食量与卤虫密度有关, 在相同密度下, 糠虾期凡纳对虾卤虫日摄食量明显高于斑节对虾, 而卤虫密度对摄食量的影响凡纳对虾略低于斑节对虾, 仔虾期卤虫摄食量差异日渐减小, P5 ~P6已很接近。
2) larval density
幼虫密度
1.
To investigate the effect of larval density on post-embryonic development and adult reproduction of Spodoptera exigua,we conducted a laboratory experiment in which larvae were reared at different larval densities(1,5,10,20 and 30 larvae/jar).
为了研究甜菜夜蛾Spodoptera exigua(Hbner)幼虫的密度对其发育及繁殖的影响,本实验观察了5种幼虫密度下(1,5,10,20,30头/瓶),幼虫发育和成虫繁殖情况。
2.
This paper mainly dealt in details with the effects of host plants and larval density on the development and production, and the pupal cold-hardiness of H.
本文首次较系统的研究了寄主植物对美国白蛾实验种群和自然种群基础生物学的影响,幼虫饥饿和幼虫密度对美国白蛾生长发育和繁殖的影响和美国白蛾不同时期蛹的抗寒能力变化。
3) population density
虫口密度
1.
Relationship between the number of resin exits caused by Hylobitelus xiaoi larvae and their mean population density in slash pine plantations;
萧氏松茎象流脂点与虫口密度的关系
2.
Correlation between the attacking rate and population density of Hylobitelus xiaoi larva;
萧氏松茎象幼虫有虫株率与虫口密度相关关系
3.
Influence of pruning on the population density of Ceroplastes japonicus and growth of trees;
修枝对日本龟蜡蚧虫口密度及树木生长的影响
4) scale density
蚧虫密度
1.
The results show that in polluted areas the scale density and its host plant s nutritional level were higher than that in the clear areas.
在污染区和清洁区,对瘤坚大球蚧密度和其寄主国槐树体营养(总糖、可溶性蛋白质、氨基酸、VB2)研究发现:污染区蚧虫密度和寄主营养水平均高于清洁区。
5) nymphal density
若虫密度
1.
Effects of nymphal density and rice growth stage on nymphal development, survival rate and wing dimorphism of different rice brown planthopper biotypes;
若虫密度和水稻生育期对稻褐飞虱不同生物型若虫历期、存活及翅型分化的影响
6) Nematode density
线虫密度
补充资料:卤虫属
卤虫属 Artemia;brine shrimp 甲壳动物亚门无甲目卤虫科的一属。又称盐虫子。体细长,虾形。第一触角细小,末端有感觉毛。雌虫的第二触角粗短,具毛,末节平扁;雄虫的极为发达,末节大而平扁,特化成抱器。头部腹面中央伸出一叶上唇,背面中央有一个单眼,两侧有一对带柄的复眼。胸部由11个体节组成。各有一对叶状的胸肢。腹部由8个无附肢的体节构成,第一、二两节愈合成生殖节,最后一节为肛节,肛门位于肛节末端的尾叉基部之间,尾叉较短,呈狭叶状。雌雄异体。行有性生殖或孤雌生殖。卤虫为广盐性生物,生活于高盐度的盐田和咸水湖中。世界各大洲均有分布。中国主要分布于沿海盐田以及内陆咸水湖中。 卤虫卵和幼体是养殖鱼虾贝类幼体的优质饵料,成体亦作为水产养殖动物饵料。 |
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参考词条