| 1. | The species composition and faunal analysis of terrestrial mollusk in wanfenglin , guizhou 贵州万峰林陆生贝类物种组成及区系分析 |
| 2. | Study on population ecology of small mammal in an abandoned landfill using mark and recapture method 用标志重捕法研究废弃地小型兽类群落物种组成及种群生态学特征 |
| 3. | Changes on species composition and function diversity in degraded process of grassland in horqin sand land 科尔沁沙地草地退化过程中的物种组成及功能多样性变化特征 |
| 4. | There were plenty of species on the small protected area in huangyinling , having 52 families and 133 species 黄茵岭生态保护小区常绿阔叶林群落的物种组成丰富,共有52科、 133种。 |
| 5. | The status of plot determines the plant ' s growth rate . there is a big difference among species ( including 16 fccsetcses ) 各年龄狼牙刺和柠条之间物种组成有显著差别,相似性系数在0 . 23 0 . 39之间。 |
| 6. | The diversity , community structure , and species composition of springtails in the soil reflect the status of soil quality and contamination 土壤中跳虫的多样性以及群落结构、物种组成都反映了土壤的质量和污染状况。 |
| 7. | Therefore , it should be emphasized to enhance the self - fertilization capability of forest by adjusting the species composition and increasing the proportion of native broad - leaved species 因此,应重视通过调整物种组成,增加阔叶树种比例以增强森林的自肥能力。 |
| 8. | On the basis of substituting space for time , communities dynamic characteristics including composition and structure , species diversity , population niche , soil nutrient content were investigated 本文采用以“空间代替时间”的方法对各个恢复阶段植被群落的动态特征,包括:物种组成结构、物种多样性、种群生态位、土壤营养元素含量变化的特征进行了研究。 |
| 9. | Forest gap is ubiquitous in both undisturbed and disturbed forest ecosystems , which drives the development of forest ecosystem , and affects the composition of plant species , stand structure and succession phase 摘要林窗是森林生态系统中一种普遍存在的现象,无论是健康的系统还是已经受到过度干扰的系统,林窗作为森林生态系统发展的重要驱动力,影响着森林的物种组成、结构以及森林的演替方向。 |
| 10. | The whole water is supplied by rainfall . s . viciifolia endured slightly water coerce . the water wane of s . viciifolia is less than caraganar ' s , they adapt the specific soil water situation under different species composition , population density and vegetation coverage 在整个生长季内,狼牙刺受不同程度的水分胁迫,但在不同立地条件下,通过不同的密度、物种组成及植被盖度,从而适应特定的水分环境条件。 |