| 草地蝗虫成灾规律与可持续控制对策 |
| |
| 引用本文： | 杨延彪.草地蝗虫成灾规律与可持续控制对策[J].四川草原,2006(8). |
| |
| 作者姓名： | 杨延彪 |
| |
| 作者单位： | 甘肃省夏河县草原工作站 甘肃夏河747100 |
| |
| 摘 要： | 草地蝗虫灾害严重发生由内在条件和外部因素造成。气候变化引起持续干旱,造成禾本科牧草植株矮小,草地裸露面积扩大,草原动植物的生物多样性受到威胁;由于大量使用广谱化学农药杀伤天敌,使草地蝗虫种群增长失控,形成暴发性灾害;与牲畜争食牧草,给畜牧业造成巨大损失。针对草地蝗虫成灾的原因和规律,提出了3点综合治理措施。
|
| 关 键 词： | 蝗虫 裸露 天敌资源 食物链 可持续控制 |
The Rule of Grasshopper Disaster and Its Sustainable Countermeasures |
| |
| YANG Yan-Biao.The Rule of Grasshopper Disaster and Its Sustainable Countermeasures[J].Journal of Sichuan Grassland,2006(8). |
| |
| Authors: | YANG Yan-Biao |
| |
| Abstract: | The heavy grasshopper disaster is caused by inner and outer factors.Climate change caused continuous drought,low gramineous grass and large exposed soil in grassland,which has threatened significantly the biodiversity in grassland.The growth of grasshopper's specises group has been out of control with grasshopper disaster breaking out because of the application of huge amount of broad spectrum chemical pesticide in natural enemy killing.The grass has been pillaged by grasshoppers from rumens,which has led to huge loss in livestock industry.According to the causes and the rule of grasshopper disaster,three compositive treatment measures have been proposed. |
| |
| Keywords: | Grasshopper Exposition Natural enemy Food chain Sustainable control |
| 本文献已被 CNKI 等数据库收录！ |
|
