Search Results - "Taipale, Sami J"

Stable isotopes of fatty acids: current and future perspectives for advancing trophic ecology by Twining, Cornelia W, Taipale, Sami J, Ruess, Liliane, Bec, Alexandre, Martin-Creuzburg, Dominik, Kainz, Martin J

“…To understand consumer dietary requirements and resource use across ecosystems, researchers have employed a variety of methods, including bulk stable isotope…”
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Comparison of Diatoms and Dinoflagellates from Different Habitats as Sources of PUFAs by Peltomaa, Elina, Hällfors, Heidi, Taipale, Sami J

“…Recent studies have clearly shown the importance of omega-3 (ω-3) and omega-6 (ω-6) polyunsaturated fatty acids (PUFAs) for human and animal health. The…”
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How important are terrestrial organic carbon inputs for secondary production in freshwater ecosystems? by Brett, Michael T., Bunn, Stuart E., Chandra, Sudeep, Galloway, Aaron W. E., Guo, Fen, Kainz, Martin J., Kankaala, Paula, Lau, Danny C. P., Moulton, Timothy P., Power, Mary E., Rasmussen, Joseph B., Taipale, Sami J., Thorp, James H., Wehr, John D.

“…Many freshwater systems receive substantial inputs of terrestrial organic matter. Terrestrially derived dissolved organic carbon (t‐DOC) inputs can modify…”
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Phytoplankton, not allochthonous carbon, sustains herbivorous zooplankton production by Brett, Michael T, Kainz, Martin J, Taipale, Sami J, Seshan, Hari

“…Terrestrial organic matter inputs have long been thought to play an important role in aquatic food web dynamics. Results from recent whole lake ¹³C addition…”
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Marine Cryptophytes Are Great Sources of EPA and DHA by Peltomaa, Elina, Johnson, Matthew D, Taipale, Sami J

“…Microalgae have the ability to synthetize many compounds, some of which have been recognized as a source of functional ingredients for nutraceuticals with…”
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Seasonal changes in European whitefish muscle and invertebrate prey fatty acid composition in a subarctic lake by Keva, Ossi, Tang, Patrik, Käkelä, Reijo, Hayden, Brian, Taipale, Sami J., Harrod, Chris, Kahilainen, Kimmo K.

“…Ambient light and temperature show extreme seasonal variation in subarctic lakes due to the midnight sun period in summer and cold polar night period in…”
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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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Decomposition rate and biochemical fate of carbon from natural polymers and microplastics in boreal lakes by Vesamäki, Jussi S., Nissinen, Riitta, Kainz, Martin J., Pilecky, Matthias, Tiirola, Marja, Taipale, Sami J.

“…Microbial mineralization of organic compounds is essential for carbon recycling in food webs. Microbes can decompose terrestrial recalcitrant and…”
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A Fatty Acid Based Bayesian Approach for Inferring Diet in Aquatic Consumers by Galloway, Aaron W E, Brett, Michael T, Holtgrieve, Gordon W, Ward, Eric J, Ballantyne, Ashley P, Burns, Carolyn W, Kainz, Martin J, Müller-Navarra, Doerthe C, Persson, Jonas, Ravet, Joseph L, Strandberg, Ursula, Taipale, Sami J, Alhgren, Gunnel

“…We modified the stable isotope mixing model MixSIR to infer primary producer contributions to consumer diets based on their fatty acid composition. To…”
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Reclassification of four Polynucleobacter necessarius strains as representatives of Polynucleobacter asymbioticus comb. nov., Polynucleobacter duraquae sp. nov., Polynucleobacter yangtzensis sp. nov. and Polynucleobacter sinensis sp. nov., and emended description of Polynucleobacter necessarius by Hahn, Martin W, Schmidt, Johanna, Pitt, Alexandra, Taipale, Sami J, Lang, Elke

“…Genome comparisons based on average nucleotide identity (ANI) values of four strains currently classified as Polynucleobacter necessarius subsp. asymbioticus…”
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Resource polymorphism in European whitefish: Analysis of fatty acid profiles provides more detailed evidence than traditional methods alone by Thomas, Stephen M, Kainz, Martin J, Amundsen, Per-Arne, Hayden, Brian, Taipale, Sami J, Kahilainen, Kimmo K

“…Resource polymorphism-whereby ancestral generalist populations give rise to several specialised morphs along a resource gradient-is common where species…”
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The influence of bacteria-dominated diets on Daphnia magna somatic growth, reproduction, and lipid composition by Taipale, Sami J., Brett, Michael T., Pulkkinen, Katja, Kainz, Martin J.

“…Abstract We explored how dietary bacteria affect the life history traits and biochemical composition of Daphnia magna, using three bacteria taxa with very…”
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Integrating pigment and fatty acid profiles for enhanced estimation of seston community composition by Litmanen, Jaakko J., Perälä, Tommi, Vuorio, Kristiina, Asikainen, Harri, Taipale, Sami J.

“…Climate change, nutrition pollution, and land use alterations influence the primary production of lakes. While light‐microscopy counting remains the standard…”
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Recycled by leaf inhabitants: Terrestrial bacteria drive the mineralization of organic matter in lake water by Vesamäki, Jussi S., Rigaud, Cyril, Litmanen, Jaakko J., Nissinen, Riitta, Taube, Robert, Taipale, Sami J.

“…Terrestrial organic matter subsidizes aquatic food webs and plays an important role in carbon cycling in lake ecosystems, where it is decomposed mainly by…”
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Selective Fatty Acid Retention and Turnover in the Freshwater Amphipod Pallaseopsis quadrispinosa by Taipale, Sami J, Kers, Erwin, Peltomaa, Elina, Loehr, John, Kainz, Martin J

“…Gammarid amphipods are a crucial link connecting primary producers with secondary consumers, but little is known about their nutritional ecology. Here we asked…”
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Eutrophication reduces the nutritional value of phytoplankton in boreal lakes by Taipale, Sami J., Vuorio, Kristiina, Aalto, Sanni L., Peltomaa, Elina, Tiirola, Marja

“…Eutrophication (as an increase in total phosphorus [TP]) increases harmful algal blooms and reduces the proportion of high-quality phytoplankton in seston and…”
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Metabolic plasticity of mixotrophic algae is key for their persistence in browning environments by Calderini, Marco L., Salmi, Pauliina, Rigaud, Cyril, Peltomaa, Elina, Taipale, Sami J.

“…Light availability is the main regulator of primary production, shaping photosynthetic communities and their production of ecologically important biomolecules…”
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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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Increasing temperature and productivity change biomass, trophic pyramids and community‐level omega‐3 fatty acid content in subarctic lake food webs by Keva, Ossi, Taipale, Sami J., Hayden, Brian, Thomas, Stephen M., Vesterinen, Jussi, Kankaala, Paula, Kahilainen, Kimmo K.

“…Climate change in the Arctic is outpacing the global average and land‐use is intensifying due to exploitation of previously inaccessible or unprofitable…”
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Environmental and biological factors are joint drivers of mercury biomagnification in subarctic lake food webs along a climate and productivity gradient by Kozak, Natalia, Ahonen, Salla A., Keva, Ossi, Østbye, Kjartan, Taipale, Sami J., Hayden, Brian, Kahilainen, Kimmo K.

“…Subarctic lakes are getting warmer and more productive due to the joint effects of climate change and intensive land-use practices (e.g. forest clear-cutting…”
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