Browsing NTNU Open by Author "Andersen, Tom"
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The effect of periodic disturbances and carrying capacity on the significance of selection and drift in complex bacterial communities
Gundersen, Madeleine S.; Vadstein, Olav; Bakke, Ingrid; Andersen, Tom; Morelan, Ian (Peer reviewed; Journal article, 2021)Understanding how periodical disturbances affect the community assembly processes is vital for predicting temporal dynamics in microbial communities. However, the effect of dilutions as disturbances are poorly understood. ... -
From greening to browning: Catchment vegetation development and reduced S-deposition promote organic carbon load on decadal time scales in Nordic lakes
Finstad, Anders Gravbrøt; Andersen, Tom; Larsen, Søren; Tominaga, Koji; Blumentrath, Stefan; de Wit, Heleen; Tømmervik, Hans; Hessen, Dag Olav (Journal article; Peer reviewed, 2016)Increased concentrations of dissolved organic carbon (DOC), often labelled “browning”, is a current trend in northern, particularly boreal, freshwaters. The browning has been attributed to the recent reduction in sulphate ... -
Nanocosm: A well plate photobioreactor for environmental and biotechnological studies
Volpe, Charlotte; Vadstein, Olav; Andersen, Geir; Andersen, Tom (Peer reviewed; Journal article, 2021)Phytoplankton are key primary producers at the bottom of the aquatic food chain. They are a highly diverse group of organisms essential for the functioning of our ecosystems and because of their characteristics, their ... -
Spatial predictors and temporal forecast of total organic carbon levels in boreal lakes
Crapart, Camille Marie; Finstad, Anders Gravbrøt; Dag Olav, Hessen; Vogt, Rolf David; Andersen, Tom (Peer reviewed; Journal article, 2023)Browning of Fennoscandian boreal lakes is raising concerns for negative ecosystem impacts as well as reduced drinking water quality. Declined sulfur deposition and warmer climate, along with afforestation, other climate ... -
When soft waters becomes softer; drivers of critically low levels of Ca in Norwegian lakes
Hessen, Dag Olav; Andersen, Tom; Tominaga, Koji; Finstad, Anders Gravbrøt (Journal article; Peer reviewed, 2017)In this study, we analyzed long-term trends in calcium (Ca) concentrations for 70 Norwegian lakes spanning a broad geographical range and for a wide range of ambient drivers. A striking decline in Ca concentrations was ...