Visar resultat 1 - 5 av 110 avhandlingar innehållade ordet pesticides.
Sammanfattning : The use of pesticides has caused pollution of surface and groundwater, soil and air across the world. Many pesticides cause health effects in humans. General populations are exposed to some degree and diet is reported to be a main source of exposure. LÄS MER
Sammanfattning : In this thesis I have investigated the effects of pesticide exposure on the ecosystem level using various types of experimental ecosystems, i.e. microcosms. The direct effect of exposure to cyperemthrin, a pyretroid insecticide, was a rapid decrease of crustancean zooplankton in enclosures in a lake. LÄS MER
Sammanfattning : Environmental issues increasingly demonstrate local-global linkages in driving forces and effects. Policy responses are initiated at local, national and global levels. The successful management of such cross-level environmental issues involves co-ordinated and co-operative policies and action among stakeholders at several levels of governance. LÄS MER
Sammanfattning : Pesticides are known to occur in groundwater worldwide. However, long-term pollution concerns and cause-effect relationships for specific regions remain limited. LÄS MER
5. Pesticides in coastal Tanzania : Management, policy and concerns for human health and the environment
Sammanfattning : This thesis is the first major assessment of pesticide management in Zanzibar, Tanzania. It underlines the risks for human health and the environment that are likely under the current pesticide management regime. LÄS MER