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hur kunskap förvaltas och används i tillståndsprocesser
The nitrogen cycle in freshwater bodies is complex and consists of many separate processes affected by a number of important factors for example oxygen concentration in the water, temperature and circulation. Knowledge of the different components of the nitrogen cycle exists …
fallstudie i Värmdö kommun
Wastewater handling of private sewage systems has become an all increasing matter. In Stockholm region the 90 000 private sewage systems contribute with larger phosphorus flows to the Baltic Sea than the two biggest sewage plants in the area, Henriksdal and Käppala, contribute …
en inventering av vägtrummor och skyddszoner kring dessa i Uppsala län och norra Västmanlands län
… and depending on what type you choose and how you place the culvert, the watercourse and the water organisms can be harmed in different ways. If you choose the best alternative and place the culvert correctly, migration of aquatic living organisms is possible. Migration barriers …
huvudsaklig källa till TBT i miljön
… and will affectthe ambient nature. Above all, there is TBT in sediment and in water which may have aneffect on organisms living in water. As a consequence of this, TBT will also be transferred toboth biota and food. TBT has been observed in fish as well as in shellfish. The …
In the next few years the pollutants loading at the Slottshagen wastewater treatment plant in Norrköping is going to increase due to the reason that one of the waste water treatment plant in the district will be shut down.A survey of how these different pollutants are divided in …
Desinfektion med ånga
… The technology chosen for development is disinfection by heating the water on the surface of the dishware, by the use of steam. A number of tests on how steam behaves when injected into the dishwasher tub have been performed, providing the results that have been taken in …
… methods and compositions affect the bricks ability to resist water.The results of the test clearly indicated that industrially made bricks have a muchlower resistance to water than handmade bricks. Furthermore, bricks with anaddition of straw showed better results than any of …
… maintenance of old ditches are operations having mainly negative effects on water quality, flora and fauna and changing characteristics of soil. The purpose of this study was to suggest a method for inventory of the need for ditching maintenance in old forest ditches that takes …
en fältstudie på känsliga marker
… if there is enough consideration taken to sensitive forest areas close to water or wetlands during clear cutting assignments, and to estimate the extent of damage made by forestry machines used at that time. A field and literature study is used to show how to improve and prevent …
… and that solar-heating is a good way to provide the building with hot water. Key word Energy-efficiency, VIP+, energy-efficiency measures, slab blocks built in the sixties, Maratonvägen,
… with regard to change of efficiency as a function of the discharge and the water value. The strategy has been developed with consideration to hydrological couplings, physical and technical parameters and market constrains. In order to provide background information for the …
En studie om avverkningar och avverkare i skogarna runt Saxdalen i södra Dalarna
… trees and standing dread trees, larger tree stumps and protected zones around watercourses. The protected zones were found severely lacking in practically all the observed fellings. The quality the trees preserved varied greatly between the fellings. In this study there were no …
en översyn av tillämpningen i tre kommuner i Uppsala län
… the purpose to "preserve good conditions for animal and plants on land and in water". The Swedish Environmental Protection Agency (EPA) did an inquiry of the shore protection regulations commissioned by the Government in 2001. The inquiry pointed out that there were big lacks in …
s jordbruksfastigheter
To create multifunctional buffer strips along a watercourse in an economically sustainable way requires consideration of many different factors. In this plan we have selected pollutant reduction as the main purpose of the buffer strip. We have also strived to achieve minimal …
… The results of the cost-benefit analysis show that charging for hot water, installation of low-flow faucet nozzle and replacement of exhaust fan is profitable whilst they are those measures that save least energy. Installation of ventilation system with heat recovery (FTX) and …
