| 1. | Not much information is available about the structure of populations of earthworms .
关于蚯蚓种群结构方面有价值的报道不多。 |
| 2. | Study on age structure of salix oritrepha population in alpine cloudy and wet area of east qilian mountain
东祁连山高寒阴湿地区山生柳种群结构研究 |
| 3. | A preliminary study on population structure of cathaya argyrophyella in dashahe nature reserve of guizhou
贵州大沙河自然保护区银杉种群结构初步研究 |
| 4. | Age structure and distribution pattern of pinus massoniana population in wuhan ma an mountain forest park
武汉市马鞍山森林公园马尾松年龄种群结构与分布格局 |
| 5. | Population structure and spatial distribution pattern of ammopiptanthus mongolicus in dengkou county , inner mongolia autonomous region
磴口县沙冬青种群结构和空间分布格局的研究 |
| 6. | The composition and biomass of them were studied , and the ecological distribution sections of every alga were summarized
分析了各地区春季不同月份藻类的种群结构和平均生物量变化，总结了各藻的生态分布区域。 |
| 7. | Population structure and regeneration types of dominant species in an evergreen broadleaved forest in tiantong national forest park , zhejiang province , eastern china
浙江天童国家森林公园常绿阔叶林主要组成种的种群结构及更新类型 |
| 8. | A problem is coating the earth with cement or bitumen on a large scale that would change the horde structural of the microbe in soil particularly in the surface layer of soil
摘要提出用水泥以及沥青大规模地覆盖土壤对于土壤，特别是土壤表层的微生物种群结构将会造成改变的问题。 |
| 9. | This paper first reports the difference of soil algae community makeup , microorganism amount , and soil phosphate activity between leanness soils and richness soils
本篇论文首先进行了贫瘠土壤与肥沃土壤表层土中土壤藻类种群结构、微生物数量以及土壤中三种磷酸酶活性的对比研究。 |
| 10. | The research soil samples are from maoxian and from sichuan university especially . the results show that the two kinds of soils differ greatly in soil algae population , microorganism number and soil phosphate activity
研究结果显示贫瘠土壤与肥沃土壤之间的土壤藻类种群结构(土壤藻类的数量和土壤藻类的优势种群) 、微生物数量和土壤磷酸酶活性均有很大的差别。 |
