Development of molecular tools for environmental assessments for selenium

开发硒环境评估分子工具

• 批准号: 447720-2013
• 负责人: Kidd, Karen
• 金额: $ 1.8万
• 依托单位: University of New Brunswick
• 依托单位国家: 加拿大
• 项目类别: Collaborative Research and Development Grants
• 财政年份: 2014
• 资助国家: 加拿大
• 起止时间: 2014-01-01 至 2015-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=554596
• 关键词: Development; molecular; tools; environmental; assessments

Coal extraction is a large industry in British Columbia; for example, this industry contributed $3.2 billion to provincial GDP in 2011. Coal production in Canada was 67 million tonnes in 2012, of which 29 million tonnes was metallurgical coal, and this was almost all exported to Asia for use in making steel. As such, there is an increasing need to improve assessments of the impacts of the coal and metal mining industry on the environment and research that is focused on integrating data from multiple levels of biological organization can achieve a more holistic view of potential adverse effects in organisms. Selenium is a non-metal chemical element that is found in metal sulfide ores. It is often produced as a bi-product during coal mining activities and has been shown to have adverse toxicological effects in aquatic organisms that include inducing stress and impairing normal development in fish species. Moreover, Se has been shown to affect metabolism in aquatic organisms, and can lead to impaired growth and disruption in fat storage. Therefore, governmental regulators and industry seek data on the uptake of Se in aquatic food chains as well as data on sub-chronic toxicity in organisms to better monitor ecosystem health and to improve mining practices.

煤炭开采是不列颠哥伦比亚省的一个大行业；例如，2011年，该行业为该省GDP贡献了32亿美元。加拿大2012年的煤炭产量为6,700万吨，其中2,900万吨为焦煤，这些煤几乎全部出口到亚洲用于炼钢。因此，越来越需要改进对煤炭和金属采矿业对环境的影响的评估，侧重于整合来自多个生物组织层面的数据的研究可以实现对生物潜在不利影响的更全面的看法。硒是一种非金属化学元素，存在于金属硫化物矿石中。它通常是在煤矿开采活动中产生的一种副产品，已被证明对水生生物有不利的毒理影响，包括引起压力和损害鱼类的正常发育。此外，硒已被证明影响水生生物的新陈代谢，并可能导致生长受损和脂肪储存中断。因此，政府监管机构和行业寻求关于水生食物链对Se的吸收的数据以及关于生物亚慢性毒性的数据，以更好地监测生态系统健康和改进采矿实践。