28 uppsatser · sida 1 av 2
Paradigmskifte eller pseudovetenskap?
The Aquatic Ape theory was first formulated by Alister Hardy in year 1960. All from the beginning the theory has been criticized, ridiculed, ignored and a source to strong feelings in the anthropological community. The purpose of this essay is to investigate why the Aquatic Ape …
- vid jordförbättring inom trädgård
Pharmaceuticals are environmental pollutants that are a major threat to aquatic ecosystems and very little is known about their ecological consequences. In this study growth, survival and behaviour (sociability, activity and boldness) of perch fry (Perca fluviatilis) were …
Exponering under embryonalutvecklingen ger effekter på tillväxt, överlevnad och beteende
Pharmaceuticals are environmental pollutants that are a major threat to aquatic ecosystems and very little is known about their ecological consequences. In this study growth, survival and behaviour (sociability, activity and boldness) of perch fry (Perca fluviatilis) were …
the curious case of a water- and mosquito associated bacterium in Sweden
… bacterium, hence this literature overview aims at compiling data regarding the aquatic association and the role of mosquitoes in transmission of Francisella tularensis subspecies holartica, the sole subspecies in Sweden. While a linkage between the bacterium and natural waters …
Aquatic organisms are usually not exposed to single substances but rather to mixtures of toxicants in streams located in agricultural areas. The transport of pesticides used in the agricultural area in Sweden is monitored with continuous environmental supervision every year …
ger besöket någon kunskap om mjölkproduktion?
Aquatic organisms are usually not exposed to single substances but rather to mixtures of toxicants in streams located in agricultural areas. The transport of pesticides used in the agricultural area in Sweden is monitored with continuous environmental supervision every year …
en bakgrund till alléns framtida utveckling
Aquatic organisms are usually not exposed to single substances but rather to mixtures of toxicants in streams located in agricultural areas. The transport of pesticides used in the agricultural area in Sweden is monitored with continuous environmental supervision every year …
comparisons with estimates of concentration addition and independent action
Aquatic organisms are usually not exposed to single substances but rather to mixtures of toxicants in streams located in agricultural areas. The transport of pesticides used in the agricultural area in Sweden is monitored with continuous environmental supervision every year …
… the insoluble compound silver sulfide. Silver in ionic form is highly toxic to aquatic organisms and can cause long term adverse effects on aquatic life and easily bioaccumulate. Researchers have examined how users of garments treated with silver ions are affected. They draw as …
en inventering av vägtrummor och skyddszoner kring dessa i Uppsala län och norra Västmanlands län
… you choose the best alternative and place the culvert correctly, migration of aquatic living organisms is possible. Migration barriers can be high velocity in the culvert, large jumping height from the brook or too small water depth close to the culvert. Forestry is carried out …
Underlag för bedömning av normal och hög skyddsnivå i Köpings kommun
… lakes, water courses and the coastal areas is considered the major threat to aquatic ecosystems and therefore actions taken to reduce the nutrient load to aquatic system including the Baltic Sea has high priority. There are many different sources of phosphorous and nitrogen and …
… Phosphorus is considered to be the most important component for the growth of aquatic plants and leads in too large quantities to an intensification of growth. Phosphate (PO4) is the fraction of phosphorus that can easiest be taken up by plants and thus have the greatest impact …
Kartläggning av frisörer i Danderyd och Vaxholm och utarbetande av checklista för inspektioner
… affects the environment. Some components, e.g. surfactants, are hazardous to aquatic organisms, even though the contribution from hair care products is relatively small. Some hairdressers perform ear piercing. All activities that penetrate the skin involve a risk of infection …
huvudsaklig källa till TBT i miljön
… introduced because of alarming observationssuch as development of imposex in aquatic non-target organisms. Imposex is the impositionof male sexual characteristics on mainly female marine snails and occurs due to exposure toTributyltin (TBT). Reproductive failure could be a …
en kartläggning som ett steg i golfklubbens miljöarbete
… conditions for the water environment on and around the golf course: - Large aquatic plants can be used along stream and pond edges to take up nutrients from the water and to reduce algal growth. - Water plants should be harvested and co-composted with grass clippings from greens …
