Sökning: "Plankton"
Visar resultat 21 - 25 av 68 avhandlingar innehållade ordet Plankton.
21. Acidification and plankton in west-Swedish lakes 1966-1983
Sammanfattning : .... LÄS MER
22. The ecology of the plankton fauna in the Gulf of Bothnia
Sammanfattning : The geographical distribution of the Gulf of Bothnia zooplankton species is presented together with observations of abundancies and vertical distributions. The historical development of this plankton community in the last 70 years is discussed.Spring and summer development of the plankton fauna was studiedin the Bothnian Bay. LÄS MER
23. Plankton communities in a changing world - responses to temperature, brownification and lake restoration
Sammanfattning : The effects of increasing temperatures, in light of climate change, have been a well-studied topic during the past decades. However, aquatic ecosystems are also faced with additional challenges such as increasing water colour, known as “brownification”. LÄS MER
24. The role of allelopathy in microbial food webs
Sammanfattning : Phytoplankton produce allelochemicals; excreted chemical substances that are affecting other microorganisms in their direct environment.In my thesis, I investigated strain specific variability in the expression of allelochemicals of the harmful flagellate Prymnesium parvum, that is euryhaline but mainly bloom forming in brackish water. LÄS MER
25. Spring dynamics in shallow lakes: the role of plankton, fish and macrophytes in a changing climate
Sammanfattning : Shallow lakes such as Lake Krankesjön are characterized by their extended littoral zones, usually covered by submersed and emergent vegetation. In paper 1, I investigated the relationship between turbidity and macrophyte growth (Chara spp. LÄS MER