Anu Kisand
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View article: Ecosystem changes in large and shallow Võrtsjärv, a lake in Estonia : evidence from sediment pigments and phosphorus fractions
Ecosystem changes in large and shallow Võrtsjärv, a lake in Estonia : evidence from sediment pigments and phosphorus fractions Open
Palaeopigments, organic matter dissolved in sediment porewater (pDOM) and phosphorus fractions were analysed in a sediment core from large shallow Vortsjarv with the aim to assess whether the trends of climate-driven and anthropogenic chan…
Properties of Humic Substances in Composts Comprised of Different Organic Source Material Open
Reusing organic waste as fertilizer is one method to reduce the use of mineral fertilizers and minimize waste disposal in landfills. Regulations have been enacted for the processing of organic waste and for recycling end products, but the …
Sediment phosphorus mobility in Võrtsjärv, a large shallow lake: Insights from phosphorus sorption experiments and long-term monitoring Open
Sediment phosphorus (P) recycling is one of the key issues in lake water quality management. We studied sediment P mobility in Võrtsjärv, a large shallow lake in Estonia using both sorption experiments and long-term (1985-2020) monitoring …
View article: Distribution of Phosphorus Forms Depends on Compost Source Material
Distribution of Phosphorus Forms Depends on Compost Source Material Open
Composting is a sustainable method for recovering nutrients from various organic wastes, including food waste. Every input waste has different nutrient contents, in turn, suggesting that every compost has different fertilizer and/or soil i…
View article: Environmental drivers and abrupt changes of phytoplankton community in temperate lake Lielais Svētiņu, Eastern Latvia, over the last Post-Glacial period from 14.5 kyr
Environmental drivers and abrupt changes of phytoplankton community in temperate lake Lielais Svētiņu, Eastern Latvia, over the last Post-Glacial period from 14.5 kyr Open
Understanding the long-term dynamics of ecological communities on the centuries-to-millennia scale is important for explaining the emergence of present-day biodiversity patterns and for predicting possible future scenarios. Fossil pigments…
View article: Drivers of change and ecosystem status in a temperate lake over the last Post-Glacial period from 14.5 kyr
Drivers of change and ecosystem status in a temperate lake over the last Post-Glacial period from 14.5 kyr Open
Understanding the long-term dynamics of ecological communities on the centuries-to-millennia scale is important for explaining present-day biodiversity patterns. Placing these patterns in a historical context could yield reliable tools for…
View article: Open windrow composting of fish waste in Estonia
Open windrow composting of fish waste in Estonia Open
By-catch fish is caught unintentionally during the fishing and is currently thrown back in water bodies to cause the water pollution. Currently fishermen does not have a motivation to bring the by-catch fish to the shore, as it needs to be…