Knowledge Resource Center for Ecological Environment in Arid Area
| 项目编号 | 31500345 |
| 转基因玉米种植中Bt蛋白对东北黑土区土壤跳虫的暴露风险及影响 | |
| 王柏凤 | |
| 主持机构 | 吉林省农业科学院 |
| 开始日期 | 2016 |
| 结束日期 | 2018 |
| 资助经费 | 200000(CNY) |
| 项目类别 | 青年科学基金项目 |
| 资助机构 | CN-NSFC（国家自然科学基金） |
| 语种 | 中文 |
| 国家 | 中国 |
| 英文简介 | The areas of transgenic corn cultivation incease every year because they can combat lepidopteran pests and reduce pesticide application. However, transgenic corn (Bt) could directly or indirectly impact the ecosystems belowground through root and litter derived ways. Typical black soil region in Gongzhuling city is selected to our study the effects of transgenic corn (Bt799) cultivation on Collembola. The methods of soil corers, pitfal trap belowground, insect suckers and litterbags are adoped to investigate the vertical distribution properties of Collembola. Phospholipid fatty acids in soil, corn roots and corn leaves are used as trophic biomarkers to study the feeding habits of Collembola. The method of ELISA is used to measure the concentration of Bt protein in soil, corn roots, corn leaves and different Collembola functional groups. Bioconcentration effect trough root and litter derived ways and bioconcentration factors of different collembolan functional groups are calculated. The exposed risk and environmental effect of Bt corn are analyzed through root and litter derived ways. We provide a baseline for environmental risk assessment of Bt corn in northeastern China though this study. |
| 中文关键词 | 碎屑分解者 ; 土壤动物 ; 生物富集作用 ; 直接作用/间接作用 ; 转基因玉米 |
| 来源机构 | 吉林省农业科学院 |
| 资源类型 | 项目 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/346956 |
| 推荐引用方式 GB/T 7714 | 王柏凤.转基因玉米种植中Bt蛋白对东北黑土区土壤跳虫的暴露风险及影响.2016. |
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