| 1. | Conversion of terrestrial ecosystems and carbon cycling
陆地生态系统类型转变与碳循环 |
| 2. | Research on types and features of ecosystem in maijishan scenic regions of gansu
甘肃麦积山风景区生态系统类型及特征研究 |
| 3. | Taxonomic diversity of main tropical forest ecosystem nature reserves in hainan province , china
海南主要热带森林生态系统类型自然保护区物种分类多样性研究 |
| 4. | Tanghai wetland has some characteristics such as the diversity ecological system , various species of biology and the obvious economic value
摘要唐海湿地具有生态系统类型多样、物种丰富和经济效益突出的特点。 |
| 5. | The complex and varied terrains and landforms as well as the unique type of ecological system have created a natural paradise for biodiversity
复杂多样的地形地貌和特殊的生态系统类型，为生物多样性营造了天然乐园。 |
| 6. | The number and area of nature reserves in different categories are related to the richness of ecosystems and the diversity of rare and endangered species in the basin
本流域的各类自然保护区的数量和面积与流域内自然生态系统类型的丰富性和珍稀物种的多样性直接相关。 |
| 7. | Until now there are contradictorily results regarding the dominant soc stabilization mechanisms , possibly depending on factors , such as ecosystem and soil type , soil depth , soil managements , as well as soil biological activity and community composition
至今，有机碳稳定性的主导机制尚不清楚，但影响因素与生态系统类型、土壤类型、土层深度、土壤管理措施、土壤生物活性及群落组成等有关。 |
| 8. | This paper synthetically summarized current research on terrestrial nitrogen cycle and soil nitrogen cycle , meanwhile , uncertainties of terrestrial nitrogen cycle were discussed . the global diversified ecosystem nitrogen and carbon storage was comparative thoroughly estimated through different life zone . the global organic nitrogen storage was estimate by the c / n ratio
Post等按照不同生物带比较全面的估算了全球各种生态系统类型的土壤碳氮密度和含量， mcelroy等利用土壤有机碳储量和碳氮比来估算了全球土壤有机氮储量。 |
| 9. | We selected two experimental sites - forest land and bare land to carry out the research . the research including : co2 concentration , temperature , air humidity and rainfall . we probed into the principle of carbon cycle in different elevation and the effect of vegetation to carbon cycle
故，本次试验以典型的亚热带岩溶分布区中的金佛山自然保护区为例，选取乔木林和裸地两种岩溶生态系统类型作为研究对象，对co _ 2浓度、温度、湿度、降雨量等进行观测，探索在不同海拔高度上，其碳循环的机制及有无植被覆盖对碳循环运行的影响。 |
| 10. | China is geographically large and has variegated ecosystems , and this has made it one of the countries with the richest biodiversity in the world . more than 30000 species of seed plants , 581 species of mammals , 1244 species of birds , 376 species of reptilians , and 284 species amphibians have been identified
中国地域辽阔，生态系统类型多样，决定了中国是世界上生物多样性最丰富的国家之一，我国目前已知种子植物30000余种，兽类581种，鸟类1244种，爬行类376种，两栖类284种。 |
