A5021510831- Marine and fisheries research
- Marine and coastal ecosystems
- Marine Biology and Ecology Research
- Aquatic Ecosystems and Phytoplankton Dynamics
- Fish Ecology and Management Studies
- Coastal and Marine Management
- Isotope Analysis in Ecology
- Marine Bivalve and Aquaculture Studies
- Coral and Marine Ecosystems Studies
- Ocean Acidification Effects and Responses
- Marine and coastal plant biology
- Marine Toxins and Detection Methods
- Environmental Toxicology and Ecotoxicology
- Research in Social Sciences
- Oceanographic and Atmospheric Processes
- Aquatic Invertebrate Ecology and Behavior
- Methane Hydrates and Related Phenomena
- Microbial Community Ecology and Physiology
- International Maritime Law Issues
- Toxic Organic Pollutants Impact
- Marine and environmental studies
- Aquaculture Nutrition and Growth
- Ecology and Vegetation Dynamics Studies
- Global Energy and Sustainability Research
- Arctic and Antarctic ice dynamics
Finnish Environment Institute
2015-2024
Marine Research Centre
2022
University of Helsinki
1998-2002
Institut de Ciències del Mar
1996
Institut Català de Ciències del Clima
1996
Danish Centre for Marine Research
1996
University of Turku
1995
Essential Biodiversity Variables (EBVs) have been suggested to harmonize biodiversity monitoring worldwide. Their aim is provide a small but comprehensive set of variables that would give balanced picture the development and reaching international national targets. Globally, GEO BON (Group on Earth Observations Observation Network) has 22 candidate EBVs be monitored. In this article we regard as conceptual tool may help in making scale more robust by pointing out where focus further...
Abstract. Based on the Baltic Earth Assessment Reports of this thematic issue in System Dynamics and recent peer-reviewed literature, current knowledge effects global warming past future changes climate Sea region is summarised assessed. The study an update Second Climate Change (BACC II) published 2015 focuses atmosphere, land, cryosphere, ocean, sediments, terrestrial marine biosphere. summaries gained palaeo-, historical, regional research, we find that main conclusions from earlier...
MEPS Marine Ecology Progress Series Contact the journal Facebook Twitter RSS Mailing List Subscribe to our mailing list via Mailchimp HomeLatest VolumeAbout JournalEditorsTheme Sections 143:65-75 (1996) - doi:10.3354/meps143065 Prey switching behaviour in planktonic copepod Acartia tonsa Kiørboe T, Saiz E, Viitasalo M The has 2 different prey encounter strategies. It can generate a feeding current and capture immobile (suspension feeding) or it sink slowly perceive motile by means of...
The global demand for renewable energy is on the rise. Expansion of onshore wind in many parts world limited by societal acceptance, and also ecological impacts are a concern. Here, pragmatic methods developed integration high-dimensional spatial data offshore planning. Over 150 layers created, which either oppose or support development, represent ecological, societal, economic factors. method tested Finland, where interest developing growing. Analyses were done using prioritization...
Abstract. Climate change has multiple effects on Baltic Sea species, communities and ecosystem functioning through changes in physical biogeochemical environmental characteristics of the sea. Associated indirect secondary species interactions, trophic dynamics function are expected to be significant. We review studies investigating species-, population- ecosystem-level abiotic factors that may due global climate change, such as temperature, salinity, oxygen, pH, nutrient levels, more food...
MEPS Marine Ecology Progress Series Contact the journal Facebook Twitter RSS Mailing List Subscribe to our mailing list via Mailchimp HomeLatest VolumeAbout JournalEditorsTheme Sections 165:127-136 (1998) - doi:10.3354/meps165127 Changes in northern Baltic zooplankton and herring nutrition from 1980s 1990s: top-down bottom-up processes at work Juha Flinkman1,*, Eero Aro2, Ilppo Vuorinen3, Markku Viitasalo4 1University of Helsinki, Tvärminne Zoological Station, FIN-10900 Hanko, Finland...
MEPS Marine Ecology Progress Series Contact the journal Facebook Twitter RSS Mailing List Subscribe to our mailing list via Mailchimp HomeLatest VolumeAbout JournalEditorsTheme Sections 175:129-142 (1998) - doi:10.3354/meps175129 Predation vulnerability of planktonic copepods: consequences predator foraging strategies and prey sensory abilities Markku Viitasalo1,*, Thomas Kiørboe2, Juha Flinkman1,3, Lars W. Pedersen2, André Visser2 1Tvärminne Zoological Station Department Systematics,...
Marine Protected Areas (MPAs) are considered to be an essential tool for safeguarding marine biodiversity. Sustainable use of the oceans and seas relies on benefits MPAs, now even more than ever, due environmental degradation anthropogenic impacts ecosystems. Various international regional agreements require that nations designate sufficiently areas under protection. MPAs powerful tools, if coherent ecologically efficient. Assessing functionality MPA networks is challenging, unless extensive...
Abstract Predictive species distribution models are mostly based on statistical dependence between environmental and distributional data therefore may fail to account for physiological limits biological interactions that fundamental when modelling distributions under future climate conditions. Here, we developed a state-of-the-art method integrating theory with survey experimental in way allows us explicitly model both physical tolerance of inherent natural variability regional conditions...
Abstract Improving the health of coastal and open sea marine ecosystems represents a substantial challenge for sustainable resource management, since it requires balancing human benefits impacts on ocean. This is often exacerbated by incomplete knowledge lack tools that measure ocean ecosystem in way allows consistent monitoring progress towards predefined management targets. The such limits capabilities to enact enforce effective governance. We introduce Baltic Health Index (BHI) as...
An 18-year mesozooplankton time series from 1967 to 1984 the SW coast of Finland, northern Baltic Sea, was studied in relation climatic parameters (air temperature, air pressure, precipitation, and wind speed direction), freshwater discharge hydrographical factors (water salinity water column stability). Climatic influenced community through their effects on hydrography. The average responded fluctuations river with a 1–2 year lag. River turn regulated by variations atmospheric pressure...
The biomass ratio of copepoda/cladocera decreased in the Northern Baltic Archipelago Sea (SW Finland) concert with a decrease seawater salinity during 1980s. There also was an increase freshwater run-off from watershed Proper. Seawater correlated negatively time lag several years. abundance percentages most dominant zooplankton species significantly salinity, either positively (large neritic copepods), or (freshwater cladocerans). All data sets together indicate close connection between...
We measured ingestion and clearance rates of two Baltic Sea calanoid copepods, Eurytemora affinis Acartia bifilosa, on toxic non-toxic cyanobacteria Nodularia sp. using the isotope technique. fed actively strain moderately strain, whereas A.bifilosa totally avoided feeding both strains. This suggests that rejected cyanobacterial filaments due to their nutritional inadequacy or difficult manageability. The different response E.affinis strains, in turn, shows this copepod species was able...
MEPS Marine Ecology Progress Series Contact the journal Facebook Twitter RSS Mailing List Subscribe to our mailing list via Mailchimp HomeLatest VolumeAbout JournalEditorsTheme Sections 186:187-197 (1999) - doi:10.3354/meps186187 Reproduction and survival of calanoid copepod Eurytemora affinis fed with toxic non-toxic cyanobacteria M. Koski*, J. Engström, Viitasalo Tvärminne Zoological Station, 10900 Hanko, Finland *Present address: Department Systematics, Division Hydrobiology, University...
Abstract Context Spatial prioritization is an analytical approach that can be used to provide decision support in spatial conservation planning (SCP), and tasks such as area network design, zoning, for impact avoidance or targeting of habitat management restoration. Methods Based on literature, we summarize the role connectivity one component relevance broad structure both marine terrestrial realms. Results Partially diffuse, directed approximated Zonation-based multi-criteria SCP by...
Feeding and fecundity of two calanoid copepod species ( Acartia bifilosa Eurytemora affinis ) were studied in a food assemblage dominated by toxic cyanobacteria, to reveal whether mesozooplankton are able obtain sufficient good quality different phases cyanobacteria bloom. Bloom conditions simulated mesocosm adding high concentration cultured hepatotoxic Nodularia spumigena 100 mm filtered natural sea water. This seston was fed copepods at days 1, 7, 14 from the start experiment, when it...
MEPS Marine Ecology Progress Series Contact the journal Facebook Twitter RSS Mailing List Subscribe to our mailing list via Mailchimp HomeLatest VolumeAbout JournalEditorsTheme Sections 216:191-200 (2001) - doi:10.3354/meps216191 Zooplanktivory in Baltic Sea: a comparison of prey selectivity by Clupea harengus and Mysis mixta, with reference escape reactions Markku Viitasalo1,*, Juha Flinkman2, Maiju Viherluoto1,3 1Department Systematics, Division Hydrobiology, PO Box 17, 00014 University...
We used the longest available weight-at-age (WAA) time series (from 1950 to 1999) for Baltic herring (Clupea harengus membras L.) in Gulf of Finland investigate which environmental factors affect growth. The relationships among WAAs, annual weight increments, and growth rates different year classes, water salinity, temperature, zooplankton abundance, biomass, as well stock sizes herring, sprat, cod, were evaluated. Our results showed that Finland, rate correlated positively with WAA...