quanyanhei
3.2.1 土壤Decomposer 公共 土壤动物的数量清楚地减少了并且他们的社区结构强烈修改了紧挨精炼工(Haimi 和Siira-Pietikainen 1996) 。因为在2 公里土壤动物的数量少许减少了, 土壤动物看来是相当有抵抗性对重金属。enchytraeid 的增加的Cu 抵抗的征兆 worm, Cognettia sphagnetorum, Vejdovsky, 通常唯一的丰富的enchytraeid 种类被发现在北具球果森林土壤, 被发现了在精炼工附近(Salminen 和Haimi 2001) 。看起来更低的金属含量补丁出现缓和金属的作用在蠕虫群(Salminen 和Haimi 1999)
bismarck66
If you mean physical prevention of an earthquake, that is not possible. If you mean mitigating the hazards posed, then there are several things you can do:Make sure you have a fire extinguisher, first aid kit, a battery-powered radio, a flashlight, and extra batteries at home.Learn first aid.Learn how to turn off the gas, water, and electricity.Make up a plan of where to meet your family after an earthquake.Don't leave heavy objects on shelves (they'll fall during a quake).Anchor heavy furniture, cupboards, and appliances to the walls or floor.Learn the earthquake plan at your school or workplace.
