2) trophic group
营养类群
1.
Trophic groups of soil nematodes were investigated in the rhizosphere and non-rhizosphere of Vetiveria spp.
两属植物根区的线虫数量显著高于非根区,但不同营养类群的线虫在根区和非根区的分布有较大差异。
2.
After 4 months nematode inoculation,4 families and 7 genera of nematodes were identified in the MSW compost medium,which belonged to three trophic groups,namely plant-parasites,fungivores and bacterivores.
通过城市生活垃圾堆肥基质草坪建植体系接种草坪土壤线虫,研究了线虫数量、科属分类、营养类群等线虫多样性变化。
3) Trophic groups
营养类群
1.
The 111 076 nematode individuls were classified into 43 genera and 4 trophic groups.
经鉴定111076条线虫分属43个属,4个营养类群(食细菌、食真菌、杂食/捕食和植物寄生线虫),其中有益的非植物线虫属32个,有害的植物线虫属11个,占总调查属数量的1/4,相对比例较大,特别是垫刃属(Tylenchus)和丝尾垫刃属(Filenchus)的线虫出现的频率较高,分别涉及51种和42种花卉,占调查花卉总数的91%和75%。
2.
Total nematodes populations and trophic groups seasonal dynamics,soil layer distribution,and as well as the effects of nitrogen fertilisation on soil nematodes were investigated in ash (Fraxinus mandshurica) and larch(Larix gmelinii) plantations,which grow in the similar sites, during 2007 and 2008.
探讨了土壤总线虫和各营养类群线虫密度树种间的差异、季节动态与土层变化及其对增施N肥的响应。
4) nutrient structure
营养结构
1.
Distribution features of nutrients and nutrient structure in the East China Sea and the Yellow Sea in spring and autumn;
春、秋季东、黄海营养盐的分布变化特征及营养结构
5) trophic structure
营养结构
1.
Dynamics in composition,trophic structure and diversity of an insect community during the processes of succession and restoration;
草原沙化与恢复中昆虫群落组成、营养结构及多样性变化研究
2.
The measurement of ecosystem trophic structure diversity;
生态系统营养结构多样性的测度
3.
The determining methods of stable carbon and nitrogen isotopes are briefly summarized and the application of stable isotopes to ecosystems about carbon sources, energy flow, trophic structure, the bioaccumulation of pollutants and the stability variations of ecosystems are systematically discussed.
在简要介绍了稳定同位素测定方法之后 ,对稳定碳、氮同位素在生态系统领域中关于系统的碳源、能量流动、营养结构、污染物的生物放大作用及系统稳定性变化的应用研究作了较为系统的论述 ,并对稳定碳、氮同位素在赤潮研究、环境污染治理、生态动力学建模及有机分子化合物系列示踪技术等方面的应用提出展
6) structure of population
类群结构
补充资料：锌营养不良性营养期延迟
锌营养不良性营养期延迟
病名。锌营养 缺乏引起的青春期延迟，在动物蛋白摄入不足的国家和地区相当多见，除性发育不全外，常 伴 有矮小及食欲不良等症状，伴有低锌生化指标，如及时改善锌营养，则可促进发育。
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