Search Results - "Hiltunen, Minna"

Lake browning impacts community structure and essential fatty acid content of littoral invertebrates in boreal lakes by Kesti, Petri, Hiltunen, Minna, Strandberg, Ursula, Vesterinen, Jussi, Taipale, Sami, Kankaala, Paula

“…Many lakes in the northern hemisphere are browning due to increasing concentrations of terrestrial dissolved organic carbon (DOC). The consequences of lake…”
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Interacting effects of simulated eutrophication, temperature increase, and microplastic exposure on Daphnia by Hiltunen, Minna, Vehniäinen, Eeva-Riikka, Kukkonen, Jussi V.K.

“…The effects of multiple stressors are difficult to separate in field studies, and their interactions may be hard to predict if studied in isolation. We studied…”
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Differing Daphnia magna assimilation efficiencies for terrestrial, bacterial, and algal carbon and fatty acids by Taipale, Sami J, Brett, Michael T, Hahn, Martin W, Martin-Creuzburg, Dominik, Yeung, Sean, Hiltunen, Minna, Strandberg, Ursula, Kankaala, Paula

“…There is considerable interest in the pathways by which carbon and growth-limiting elemental and biochemical nutrients are supplied to upper trophic levels…”
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Taxonomic, Temporal, and Spatial Variations in Zooplankton Fatty Acid Composition in Puget Sound, WA, USA by Hiltunen, Minna, Strandberg, Ursula, Brett, Michael T., Winans, Amanda K., Beauchamp, David A., Kotila, Miika, Keister, Julie E.

“…Fatty acid (FA) content and composition of zooplankton in Puget Sound, Washington (USA) was studied to investigate the nutritional quality of diverse…”
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Increasing concentration of polyunsaturated fatty acids in browning boreal lakes is driven by nuisance alga Gonyostomum by Strandberg, Ursula, Hiltunen, Minna, Rissanen, Ninni, Taipale, Sami, Akkanen, Jarkko, Kankaala, Paula

“…Elevated concentrations of dissolved organic carbon (DOC) promote browning of lakes, which alters the physicochemical properties of water and ecosystem…”
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Bacterial and phytoplankton responses to nutrient amendments in a boreal lake differ according to season and to taxonomic resolution by Peura, Sari, Eiler, Alexander, Hiltunen, Minna, Nykänen, Hannu, Tiirola, Marja, Jones, Roger I

“…Nutrient limitation and resource competition in bacterial and phytoplankton communities may appear different when considering different levels of taxonomic…”
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Inferring Phytoplankton, Terrestrial Plant and Bacteria Bulk δ¹³C Values from Compound Specific Analyses of Lipids and Fatty Acids by Taipale, Sami J, Peltomaa, Elina, Hiltunen, Minna, Jones, Roger I, Hahn, Martin W, Biasi, Christina, Brett, Michael T

“…Stable isotope mixing models in aquatic ecology require δ13C values for food web end members such as phytoplankton and bacteria, however it is rarely possible…”
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Nutritional quality of littoral macroinvertebrates and pelagic zooplankton in subarctic lakes by Vesterinen, Jussi, Keva, Ossi, Kahilainen, Kimmo K., Strandberg, Ursula, Hiltunen, Minna, Kankaala, Paula, Taipale, Sami J.

“…Littoral benthic primary production is considered the most important energy source of consumers in subarctic lakes. We analyzed essential fatty acid (EFA) and…”
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Ocean conditions influence the quality of recruiting benthic marine invertebrate larvae—Insights from fatty acids by Hiltunen, Minna, Thomas, Michael, Shanks, Alan L., Galloway, Aaron W. E.

“…Abstract Many marine benthic invertebrates have a pelagic life stage, during which larvae need to accumulate enough reserves to complete metamorphosis to a…”
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The influence of lipid content and taxonomic affiliation on methane and carbon dioxide production from phytoplankton biomass in lake sediment by Hiltunen, Minna, Nykänen, Hannu, Syväranta, Jari

“…The greenhouse gases methane (CH4) and carbon dioxide (CO2) are end products of microbial anaerobic degradation of organic matter (OM) in lake sediments…”
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Trophic upgrading via the microbial food web may link terrestrial dissolved organic matter to Daphnia by Hiltunen, Minna, Honkanen, Milja, Taipale, Sami, Strandberg, Ursula, Kankaala, Paula

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Water quality shapes the community structure of zoobenthos in rivers but only has a minor effect on the fatty acid composition of zoobenthos and salmonids by Kesti, Petri, Strandberg, Ursula, Taipale, Sami, Hiltunen, Minna, Vesterinen, Jussi, Vainikka, Anssi, Kankaala, Paula

“…Many river ecosystems in the boreal zone have faced remarkable changes due to intensive human activities, including land‐use changes in the catchments and…”
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Browning-induced changes in trophic functioning of planktonic food webs in temperate and boreal lakes: insights from fatty acids by Strandberg, Ursula, Hiltunen, Minna, Creed, Irena F., Arts, Michael T., Kankaala, Paula

“…The effects of lake browning on trophic functioning of planktonic food webs are not fully understood. We studied the effects of browning on the response…”
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Combined effects of eutrophication and warming on polyunsaturated fatty acids in complex phytoplankton communities: A mesocosm experiment by Strandberg, Ursula, Hiltunen, Minna, Syväranta, Jari, Levi, Eti E., Davidson, Thomas A., Jeppesen, Erik, Brett, Michael T.

“…Climate change and eutrophication are among the main stressors of shallow freshwater ecosystems, and their effects on phytoplankton community structure and…”
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Taxonomic identity and phytoplankton diet affect fatty acid composition of zooplankton in large lakes with differing dissolved organic carbon concentration by Hiltunen, Minna, Strandberg, Ursula, Taipale, Sami J., Kankaala, Paula

“…An increase in loading of dissolved organic carbon (DOC) from terrestrial to freshwater ecosystems has recently been documented in several boreal regions. We…”
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Selective transfer of polyunsaturated fatty acids from phytoplankton to planktivorous fish in large boreal lakes by Strandberg, Ursula, Hiltunen, Minna, Jelkänen, Elli, Taipale, Sami J., Kainz, Martin J., Brett, Michael T., Kankaala, Paula

“…Lake size influences various hydrological parameters, such as water retention time, circulation patterns and thermal stratification that can consequently…”
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Suitability of Phytosterols Alongside Fatty Acids as Chemotaxonomic Biomarkers for Phytoplankton by Taipale, Sami J, Hiltunen, Minna, Vuorio, Kristiina, Peltomaa, Elina

“…The composition and abundance of phytoplankton is an important factor defining ecological status of marine and freshwater ecosystems. Chemotaxonomic markers…”
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Performance of the African edible bush‐cricket, Ruspolia differens, on single and mixed diets containing inflorescences of their host plant species by Malinga, Geoffrey M., Valtonen, Anu, Hiltunen, Minna, Lehtovaara, Vilma J., Nyeko, Philip, Roininen, Heikki

“…The African edible bush‐cricket, Ruspolia differens (Serville) (Orthoptera: Tettigoniidae), is an economically valuable insect in sub‐Saharan Africa. For its…”
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Diet-specific biomarkers show that high-quality phytoplankton fuels herbivorous zooplankton in large boreal lakes by Galloway, Aaron W. E., Taipale, Sami J., Hiltunen, Minna, Peltomaa, Elina, Strandberg, Ursula, Brett, Michael T., Kankaala, Paula

“…Summary The zooplankton is a key link in the transfer of energy from primary producers up through aquatic food webs. Previous efforts to quantify the…”
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Population structure, life cycle, and trophic niche of the glacial relict amphipod, Gammaracanthus lacustris, in a large boreal lake by Salonen, Jouni K., Hiltunen, Minna, Figueiredo, Kaisa, Paavilainen, Pinja, Sinisalo, Tuula, Strandberg, Ursula, Kankaala, Paula, Taskinen, Jouni

“…Ecology of the glacial relict macrocrustacean Gammaracanthus lacustris, a rare inhabitant of deep Fennoscandian lakes, is poorly understood. We studied the…”
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