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Agriculture is the main source of ammonia emissions. It generates around 75% of global emissions of ammonia to the atmosphere and soil manure accounts for half of agricultural emissions. Ammonia emissions have a negative impact on ecosystems and human health, as it is able to accumulate both as solid particles and as an integral part of acid cases. Measures to reduce ammonia emissions can be divided into three large groups: the first group is ammonia-reducing measures in animal housing, the second group is ammonia...

One of the most investigated topics in hydrology, during last decades, is climate change impact on hydrological cycle. Changes in the use of land is additional factor influencing hydrological regime and watershed run-off. To understand urbanisation and climate change cumulative impact on watershed run-off, modelling of different climate change and land use scenarios would be essential. The aim of this study is to investigate how watershed run-off of the Usma Lake, located in Kurzeme region of Latvia, will respond ...