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… (i.e. wastewater from toilets), contributes to the eutrophication of lakes and seas. At the same time, blackwater is a fraction with a low content of heavy metals and, after sanitization, it can recirculate plant nutrients to arable land using the liquid composting treatment …
The eutrophication of inshore seas, lakes and watercourses is mainly due to leaching of nitrogen and phosphorus (P) from agriculture. Many efforts are made to reduce the lea-kage of phosphorus in Sweden and the Baltic Sea countries. Phosphorus is also a finite resource and the …
the core project competition
… 2011):? Strengthen the towns connection to the natural surroundings,including lakes, creeks and wetlands.? Improve the traffic situation in Sebastopol. The town baresmany traces of modernistic city planning and the city core isadapted to the car rather than to pedestrians. It is …
en enkätstudie hos skogstjänstemän
… This affecting on the nature in a negative way and especially in rivers and lakes that are affected by siltation and acidification leading to increased levels of heavy metals and methyl mercury. The purpose of this study was to investigate why there is damage to the ground when …
… should be applied to preserve it. It seems that the re-creation of oxbow lakes has favored the species and establishment of more of these semi-natural reserves would therefore be of further benefit. Even so, this alone will not suffice to ensure the porpoise future. In order to …
70 % of the lakes and waters in the water district of northern Baltic Sea do not reach the requirements for good ecological status. This is mostly due to eutrophication caused by a too high deliverance of nutrients from agricultural land or effluents. Losses of particulate …
… and by observing the opercular bone the age has been determined. In two lakes close to Umeå in northern Sweden, Fisksjön and Ängersjön, the live-history traits of perch have been studied. Similar studies have been made year 2000 and that data will be compared with the result of …
… of 311 ha, at the same time as wetlands and arable land has diminished and lakes has suffered from reductions. Wetlands have been reduced with 76 ha and the ones remaining are of insufficient quality from a nutrient removal perspective. Data from 1902 and 2011 regarding number …
… luscinioides) is a recently established bird species in a few reedy shallow lakes of southern Sweden and has only been found nesting for the last twenty years. Little is known about the species' habitat preferences, breeding biology and demands for specific territory structures …
… of many factors that form the structure of the macroinvertebrate community in lakes, wetlands and watercourses. Earlier studies lack an examination concerning how fish- and waterfowl predation affect macroinvertebrates during shorter periods in the spring. I performed an …
fallstudie av ett dike i Munktorps socken
Agricultural drainage ditches are links between fields, lakes and oceans, having the potential to transport e.g. sediment and nutrients. When in a good condition, drainage ditches can act as sinks for e.g. phosphorus and sediments and prevent eutrophication downstream. The aim …
… called Kyrkströmmen which is a regulated stream section connecting the lakes of Övre - and Nedre Vättern. This stream is located in the middle of Skinnskatteberg in the province of Västmanland, Sweden. To be able to see any change in the trout population over time and in …
… of longwave radiation in combination with a moist environment or nearby lakes or watercourse.
En analytisk studie från en simulering av Rossby Centres regionala klimatmodell, rca3.
… study. Climate models describe the physical processes between the land, sea, lakes and atmosphere and are good tools to get information about a future climate. In this report, data from Rossby Centre's climate model, rca3, has been used as a basis for the results. The purpose is …
En litteraturstudie över hur kol-14 isotopen används för datering, samt utveckling och tillämpning av djup-åldersmodeller inom naturgeografin.
… of choosing ”wrong” age-depth model was of little importance for these chosen lakes, as the deviating ages between the statistically best and the statistically worst model, was just 2% on average. Calendar years derived from carbon-14 dating should not be considered an absolute …
