https://www.slu.se/en/about-slu/organisation/departments/aquatic-resources/research/research-projects/ The project uses ecosystem models and integrated analyses to understand long-term changes in the Baltic Sea marine environment. https://www.slu.se/en/research/research-catalogue/projekt/m/metoder-for-att-bedoma-naringsvavars-miljostatus/ https://www.slu.se/en/research/research-catalogue/projekt/m/metoder-for-att-bedoma-naringsvavars-miljostatus/ Fri, 16 Jan 2026 14:26:06 +0100 The Marine Waterways project studies fish populations and key spawning sites in Åland’s diverse coastal habitats, while also mapping recreational fishing in collaboration with the local community. The aim is to contribute to long-term sustainable fish stocks. https://www.slu.se/en/research/research-catalogue/projekt/v/vattenvagar-for-marin-mangfald/ https://www.slu.se/en/research/research-catalogue/projekt/v/vattenvagar-for-marin-mangfald/ Fri, 16 Jan 2026 13:52:40 +0100 Although most Swedish fish species are considered viable, overexploitation has led to depleted populations. The project maps priority species and habitats, their current status, and the restoration measures needed. https://www.slu.se/en/research/research-catalogue/projekt/r/restaurering-av-kustfiskbestand-och-fiskens-livsmiljoer/ https://www.slu.se/en/research/research-catalogue/projekt/r/restaurering-av-kustfiskbestand-och-fiskens-livsmiljoer/ Fri, 16 Jan 2026 11:37:17 +0100 In the research project Wind4CoCo, we investigate the long-term effects of offshore wind farms on fish and biodiversity, and how renewable energy production can coexist with nature conservation and fisheries https://www.slu.se/en/research/research-catalogue/projekt/v/vindkraft-i-havets-eko-system--kunskap-for-en-hallbar-utbyggnad-i-samexistens-med-naturvard-och-fiske/ https://www.slu.se/en/research/research-catalogue/projekt/v/vindkraft-i-havets-eko-system--kunskap-for-en-hallbar-utbyggnad-i-samexistens-med-naturvard-och-fiske/ Fri, 16 Jan 2026 11:23:15 +0100 Nordic BioBuz is a completed project that explored synergies between offshore wind power, enhancement of marine ecosystem services and mussel farming in the Baltic Sea. https://www.slu.se/en/research/research-catalogue/projekt/n/nordic-biobuz--fran-biodiversitets-framjande-ekologisk-design-till-en-starkare-affarsmodell-for-havsbaserad-vindkraft/ https://www.slu.se/en/research/research-catalogue/projekt/n/nordic-biobuz--fran-biodiversitets-framjande-ekologisk-design-till-en-starkare-affarsmodell-for-havsbaserad-vindkraft/ Fri, 16 Jan 2026 11:06:46 +0100 Following successful conservation efforts, harbour seals in the Skagerrak have recovered from record low levels in the 1970s. https://www.slu.se/en/research/research-catalogue/projekt/v/variationer-i-salars-fodoval---viktig-kunskap-for-utveckling-av-ekosystembaserad-forvaltning/ https://www.slu.se/en/research/research-catalogue/projekt/v/variationer-i-salars-fodoval---viktig-kunskap-for-utveckling-av-ekosystembaserad-forvaltning/ Mon, 22 Dec 2025 09:55:39 +0100 How is marine life affected when coastal waters become both browner and warmer? https://www.slu.se/en/research/research-catalogue/projekt/e/ekosystemtjanster-i-varmare-och-morkare-kustvatten/ https://www.slu.se/en/research/research-catalogue/projekt/e/ekosystemtjanster-i-varmare-och-morkare-kustvatten/ Wed, 17 Dec 2025 12:59:08 +0100 There are over 30000 species of fish, living in a wide range of habitats. To treat ‘fish’ as one group is probably even less meaningful than to attempt to produce general guidelines for ‘mammals’. In this project, we will determine how different anaesthetics affect fish. https://www.slu.se/en/research/research-catalogue/projekt/b/best-anaesthesia-protocol-for-fish-species-and-situation/ https://www.slu.se/en/research/research-catalogue/projekt/b/best-anaesthesia-protocol-for-fish-species-and-situation/ Tue, 02 Dec 2025 21:03:13 +0100 In order to mitigate climate change and support biodiversity, it is crucial to develop renewable energy solutions that balance targets for protection, restoration and livelihoods. https://www.slu.se/en/research/research-catalogue/projekt/h/msp4more---hallbar-integrering-av-vindkraft-i-havsplaneringen---synergier-och-anpassningar-for-biologisk-mangfald-och-andra-hallbarhetsmal/ https://www.slu.se/en/research/research-catalogue/projekt/h/msp4more---hallbar-integrering-av-vindkraft-i-havsplaneringen---synergier-och-anpassningar-for-biologisk-mangfald-och-andra-hallbarhetsmal/ Mon, 27 Oct 2025 17:12:41 +0100 Bycatch – the unintentional capture of non-target species, remains a major threat to many protected, endangered, and threatened species such as seabirds, marine mammals, and sharks. https://www.slu.se/en/research/research-catalogue/projekt/b/bifangst-av-skyddade-arter-i-fisket/ https://www.slu.se/en/research/research-catalogue/projekt/b/bifangst-av-skyddade-arter-i-fisket/ Tue, 21 Oct 2025 14:51:20 +0100 This project will address how land-use change and forestry practises have altered, and may come to further alter, lake ecosystem diversity and function through inputs of dissolved organic matter (DOM) and nutrients along natural gradients in lake-biogeochemistry and catchment vegetation.  https://www.slu.se/en/research/research-catalogue/projekt/s/lake-food-web-responses-to-variation-in-land-use-practices-across-environmental-gradients/ https://www.slu.se/en/research/research-catalogue/projekt/s/lake-food-web-responses-to-variation-in-land-use-practices-across-environmental-gradients/ Tue, 23 Sep 2025 10:49:46 +0100 In the Vitamin Sea-project we will investigate how climate change effect people's access to nutritious food from the ocean, especially those living in coastal areas and in small island nations. https://www.slu.se/en/research/research-catalogue/projekt/v/vitamin-sea/ https://www.slu.se/en/research/research-catalogue/projekt/v/vitamin-sea/ Wed, 03 Sep 2025 14:34:06 +0100 The HotFish project investigates the distribution and seascape connectivity of fish in the Swedish Baltic Sea to improve and expand the Swedish marine protected area network. https://www.slu.se/en/research/research-catalogue/projekt/h/hotfish/ https://www.slu.se/en/research/research-catalogue/projekt/h/hotfish/ Fri, 13 Jun 2025 16:04:08 +0100 https://www.slu.se/en/about-slu/organisation/departments/aquatic-resources/research/research-projects/ https://www.slu.se/en/about-slu/organisation/departments/aquatic-resources/research/research-projects/ Thu, 12 Jun 2025 10:41:11 +0100 With ongoing climate change and lingering effects from eutrophication, an increase in cyanobacterial blooms and growth of filamentous algae is now observed in several places. https://www.slu.se/en/research/research-catalogue/projekt/c/climate-adaptation-and-mapping-of-algal-toxins/ https://www.slu.se/en/research/research-catalogue/projekt/c/climate-adaptation-and-mapping-of-algal-toxins/ Thu, 05 Jun 2025 12:30:24 +0100 A better understanding of which toxins algae produce and under what circumstances will become increasingly important. To meet these challenges, we are now launching a competence centre for the analysis of algal toxins and the biology of toxic algae. https://www.slu.se/en/research/research-catalogue/projekt/a/algtox-competence-center-for-algal-toxin/ https://www.slu.se/en/research/research-catalogue/projekt/a/algtox-competence-center-for-algal-toxin/ Thu, 05 Jun 2025 12:26:35 +0100 Heatwaves in the sea can affect fish and other organisms, while extreme storms can reduce fishing opportunities. Extreme weather events like these are becoming increasingly common due to climate change. https://www.slu.se/en/research/research-catalogue/projekt/m/marina-varmeboljor-och-extremvader-effekter-pa-fiskade-ekosystem-och-risker-for-fiske/ https://www.slu.se/en/research/research-catalogue/projekt/m/marina-varmeboljor-och-extremvader-effekter-pa-fiskade-ekosystem-och-risker-for-fiske/ Thu, 15 May 2025 15:37:01 +0100 No fishing is allowed in no-take zones, thus protecting species and their habitats. At SLU Aqua, we monitor the development of no-take zones in Sweden and provide recommendations on how these areas can be most effectively designed. https://www.slu.se/en/research/research-catalogue/projekt/f/fiskefria-omraden/ https://www.slu.se/en/research/research-catalogue/projekt/f/fiskefria-omraden/ Thu, 15 May 2025 15:18:58 +0100 Are grey seals and cormorants looking for food further and further into the archipelago? Have they been forced to change their diet; from large herring to perch and pike? If so, what effects could it have on the coastal ecosystem? https://www.slu.se/en/research/research-catalogue/projekt/t/trawl-fishing-herring-seals-and-cormorants--new-slu-project-dives-deep-into-the-coastal-ecosystem-of-the-baltic-sea/ https://www.slu.se/en/research/research-catalogue/projekt/t/trawl-fishing-herring-seals-and-cormorants--new-slu-project-dives-deep-into-the-coastal-ecosystem-of-the-baltic-sea/ Thu, 15 May 2025 09:06:32 +0100 The DIASPARA project aims to improve the management of salmon and eel in Europe by strengthening the scientific knowledge base over the full life-cycle and geographic range of these migratory species. https://www.slu.se/en/research/research-catalogue/projekt/d/diaspara/ https://www.slu.se/en/research/research-catalogue/projekt/d/diaspara/ Thu, 15 May 2025 09:25:38 +0100 The overall aim of the COAST-LAND project is to improve future management of diadromous fish populations, such as pike (Esox lucius), perch (Perca fluviatilis), burbot (Lota lota) and sea trout (Salmo trutta), in the Baltic Sea by: https://www.slu.se/en/research/research-catalogue/projekt/c/coast-land/ https://www.slu.se/en/research/research-catalogue/projekt/c/coast-land/ Wed, 14 May 2025 17:12:27 +0100 National marine spatial plans guide Swedish management and use of the sea. The plans should contribute to achieving Good Ecological Status and national environmental goals that are integrated with economic and social goals. https://www.slu.se/en/research/research-catalogue/projekt/k/klimatsakrad-havsplanering-fodovavsmodellering-och-ekologiska-riskanalyser-for-konsekvensbedomningar/ https://www.slu.se/en/research/research-catalogue/projekt/k/klimatsakrad-havsplanering-fodovavsmodellering-och-ekologiska-riskanalyser-for-konsekvensbedomningar/ Wed, 14 May 2025 16:45:36 +0100 The FishLinks project is a socio-ecological study in tropical seascapes where we investigate whether tourism in Tanzania contributes to unsustainably high fishing pressure, and if so, in what way. https://www.slu.se/en/research/research-catalogue/projekt/f/fishlinks--undersokning-av-effekterna-av-turistdriven-fiskkonsumtion-pa-revfisksamhallen/ https://www.slu.se/en/research/research-catalogue/projekt/f/fishlinks--undersokning-av-effekterna-av-turistdriven-fiskkonsumtion-pa-revfisksamhallen/ Wed, 14 May 2025 15:31:54 +0100 In the research project ePIKE, we develop and evaluate eDNA as a non-invasive method for pike monitoring. The project consists of laboratory trials, mesocosm experiments and sampling of natural habitats. https://www.slu.se/en/research/research-catalogue/projekt/e/epike/ https://www.slu.se/en/research/research-catalogue/projekt/e/epike/ Wed, 14 May 2025 12:22:42 +0100 During 2023-2025 SLU are investigating the distribution of pink salmon in Sweden. Pink salmon is an alien species in Sweden. Help us by reporting pink salmon sightings! https://www.slu.se/en/research/research-catalogue/projekt/p/pinksalmon/ https://www.slu.se/en/research/research-catalogue/projekt/p/pinksalmon/ Wed, 14 May 2025 11:40:00 +0100 This project aimed to provide increased understanding about the effect of round goby in Swedish waters and how dispersal can be limited, density reduced and the possibility to use the species as a food resource. https://www.slu.se/en/research/research-catalogue/projekt/s/svartmunnad-smorbult--forvandla-risk-till-resurs/ https://www.slu.se/en/research/research-catalogue/projekt/s/svartmunnad-smorbult--forvandla-risk-till-resurs/ Wed, 14 May 2025 11:22:18 +0100 Researchers at the Department of Aquatic Resources are studying the genetic effects of the large-scale salmon restockings in the Baltic Sea that started in the early 1900s. We hope to be able to predict the population dynamics of salmon and the genetic effects of restockings in the longer term. https://www.slu.se/en/research/research-catalogue/projekt/g/genetiska-konsekvenser-av-kompensationsutsattning-av-lax-i-ostersjon/ https://www.slu.se/en/research/research-catalogue/projekt/g/genetiska-konsekvenser-av-kompensationsutsattning-av-lax-i-ostersjon/ Wed, 14 May 2025 11:13:32 +0100 The Kingdom of Colors is an innovative research project aimed at developing new methods to monitor algal toxins in marine environments using visual signals such as algae pigmentation and patterns. https://www.slu.se/en/research/research-catalogue/projekt/f/fargernas-rike/ https://www.slu.se/en/research/research-catalogue/projekt/f/fargernas-rike/ Wed, 14 May 2025 11:59:53 +0100