Search Results - "KUUPPO, P"

Source identification of nitrate by means of isotopic tracers in the Baltic Sea catchments by Voss, M., Deutsch, B., Elmgren, R., Humborg, C., Kuuppo, P., Pastuszak, M., Rolff, C., Schulte, U.

“…Nitrate input to a river is largely controlled by land use in its catchment. We compared the information carried by the isotopic signatures of nitrate in 12…”
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A Comparative Study of Responses in Planktonic Food Web Structure and Function in Contrasting European Coastal Waters Exposed to Experimental Nutrient Addition by Y. Olsen, Agustí, S., Andersen, T., Duarte, C. M., J. M. Gasol, I. Gismervik, A. -S. Heiskanen, E. Hoell, P. Kuuppo, Lignell, R., H. Reinertsen, Sommer, U., Stibor, H., Tamminen, T., O. Vadstein, D. Vaqué, Vidal, M.

“…We quantify, compare, and generalize responses of experimental nutrient loadings (LN) on planktonic community structure and function in coastal waters. Data…”
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Haemolytic activity and allelopathy of the haptophyte Prymnesium parvum in nutrient-limited and balanced growth conditions by URONEN, Pauliina, LEHTINEN, Sirpa, LEGRAND, Catherine, KUUPPO, Pirjo, TAMMINEN, Timo

“…Prymnesium parvum (Haptophyceae) was grown in 3 different nutrient treatments in semi-continuous cultures, where the N:P molar ratios were modified to 80:1,…”
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Viral lysis and grazing loss of bacteria in nutrient- and carbon-manipulated brackish water enclosures by TUOMI, P, KUUPPO, P

“…A 3 week enclosure experiment was carried out at the Gulf of Finland, the Baltic Sea. After additions of inorganic nutrients [nitrogen (N) + phosphorus (P)]…”
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Fate of a phytoplankton spring bloom: sedimentation and carbon flow in the planktonic food web in the northern Baltic by Lignell, R., Heiskanen, A.-S., Kuosa, H., Gundersen, K., Kuuppo-Leinikki, P., Pajuniemi, R., Uitto, A.

“…During the spring bloom in 1988, the dynamics of planktonic carbon flow were studied weekly in the euphotic layer in the northern Baltic. The spring bloom…”
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A comparative study of responses in plankton food web structure and function in contrasting European coastal waters exposed to experimental nutrient addition by Olsen, Y., Agustí, S., Andersen, T., Duarte, C. M., Gasol, J. M., Gismervik, I., Heiskanen, A.-S., Hoell, E., Kuuppo, P., Lignell, R., Reinertsen, H., Sommer, U., Stibor, H., Tamminen, T., Vadstein, O., Vaqué, D., Vidal, M.

“…We quantify, compare, and generalize responses of experimental nutrient loadings (LN) on planktonic community structure and function in coastal waters. Data…”
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Nitrogen, Silicon and Zooplankton Controlling the Baltic Spring Bloom: An Experimental Study by Kuosa, H., Autio, R., Kuuppo, P., Setälä, O., Tanskanen, S.

“…The importance of nitrogen, silicon and grazing for the development of the planktonic spring bloom of the transition area between the Baltic Proper and the…”
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Nitrogen, Silicate and Zooplankton Control of the Planktonic Food-web in Spring by Kuuppo, P., Autio, R., Kuosa, H., Setälä, O., Tanskanen, S.

“…The control of silicate, nitrogen and zooplankton was studied with a special emphasis on the planktonic food web on spring bloom on the coastal area of the…”
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Allelopathic Effects of Toxic Haptophyte Prymnesium parvum Lead to Release of Dissolved Organic Carbon and Increase in Bacterial Biomass by Uronen, Pauliina, Kuuppo, Pirjo, Legrand, Catherine, Tamminen, Timo

“…The haptophyte Prymnesium parvum has lytic properties, and it affects coexisting phytoplankton species through allelopathy. We studied the effect of P. parvum…”
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Toxic haptophyte Prymnesium parvum affects grazing, survival, egestion and egg production of the calanoid copepods Eurytemora affinis and Acartia bifilosa by Sopanen, S, Koski, M, Kuuppo, P, Uronen, P, Legrand, C, Tamminen, T

“…Nitrogen- and phosphorus-depleted or NP-balanced toxic haptophyte Prymnesium parvum was fed to 2 dominant copepod species of the northern Baltic Sea…”
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Prymnesium parvum exotoxins affect the grazing and viability of the calanoid copepod Eurytemora affinis by Sopanen, S, Koski, M, Uronen, P, Kuuppo, P, Lehtinen, S, Legrand, C, Tamminen, T

“…The calanoid copepod Eurytemora affinis from the northern Baltic Sea was exposed to cell-free filtrates of the toxic haptophyte Prymnesium parvum as well as to…”
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Beyond Bulk Properties: Responses of Coastal Summer Plankton Communities to Nutrient Enrichment in the Northern Baltic Sea by Lignell, Risto, Seppälä, Jukka, Kuuppo, Pirjo, Tamminen, Timo, Andersen, Tom, Gismervik, Ingrid

“…Enclosure experiments with all combinations of NH4 and PO4 treatments were carried out in the northern Baltic coastal zone during the post-spring bloom growth…”
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Robust parameters confirm predominance of heterotrophic processes in the plankton of a highly humic pond by SALONEN, Kalevi, HAMMAR, Taina, KUUPPO, Pirjo, SMOLANDER, Ulla, OJALA, Anne

“…The conclusions about the role of allochthonous organic matter in the food chains of inland waters are still often conflicting. Here we studied whether the…”
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Corrigendum to “Removal of Prymnesium parvum (Haptophyceae) and its toxins using clay minerals” [Harmful Algae 4 (2005) 261–274] by Sengco, Mario R., Hagström, Johannes A., Granéli, Edna, Anderson, Donald M., Kuuppo, Pirjo

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Protozoan Control of Bacterial Abundances in Freshwater by Ulrike-G. Berninger, Finlay, Bland J., Kuuppo-Leinikki, Pirjo

“…We have quantified the bacteria, heterotrophic nanoplankton (HNAN), and other microorganisms in 108 lakes, ponds, river, and bogs worldwide. These water bodies…”
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Protozoan grazing on planktonic bacteria and its impact on bacterial population by Kuuppo-Leinikki, Pirjo

“…Grazing by heterotrophic nanoflagellates and <100 μm microzooplankton on planktonic bacteria was followed during a mesocosm experiment in the Baltic Sea…”
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Bacterioplankton in a small polyhumic lake with an anoxic hypolimnion by KUUPPO-LEINIKKI, P, SALONEN, K

“…The potential role of bacteria in food chains in Mekkojarvi lake, a small polyhumic headwater lake in Finland, was investigated. Particular attention was…”
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Trophic interactions and carbon flow between picoplankton and protozoa in pelagic enclosures manipulated with nutrients and a top predator by Kuuppo-Leinikki, Pirjo, Autio, Riitta, Hällfors, Seija, Kuosa, Harri, Kuparinen, Jorma, Pajuniemi, Riitta

“…Experimental enclosures were used to follow responses of the planktonic microbial food web to varying short-term (5 d) perturbations induced by adding…”
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Protozoam control of bacterial abundances in freshwater by BERNINGER, U.-G, FINLAY, B. J, KUUPPO-LEINIKKI, P

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