摘要
本文从微量元素与食物链关系着手,以丰富的资料论述了生物与环境的相互影响,说明由于食物链进入动物、人体内的微量元素过量或不足所造成的危害。作者提出的研究课题对保护生态环境、增进人体健康、合理开发和利用资源有重要的意义,对国家和地区制订发展规划具有指导作用。
From the ralations of trace elements and food chain, this article discusses the two-direction effects of Biology and environment, illustrates the harm to animals and human that trace elements are excessive or lack in food chain. The theses pointed out are important for protecting ecological enviroments, promoting human health and putting resources to rational exploitage and use, important for government formulating loog-term programme.
关键词
微量元素
食物链
生物地球化学
trace elements
food chain
biological geochemistry