Search Results - "Ptacnik, Robert"

A process‐based metacommunity framework linking local and regional scale community ecology by Thompson, Patrick L., Guzman, Laura Melissa, De Meester, Luc, Horváth, Zsófia, Ptacnik, Robert, Vanschoenwinkel, Bram, Viana, Duarte S., Chase, Jonathan M., Calcagno, Vincent

“…The metacommunity concept has the potential to integrate local and regional dynamics within a general community ecology framework. To this end, the concept…”
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Habitat loss over six decades accelerates regional and local biodiversity loss via changing landscape connectance by Horváth, Zsófia, Ptacnik, Robert, Vad, Csaba F., Chase, Jonathan M., Coulson, Tim

“…When habitats are lost, species are lost in the region as a result of the sampling process. However, it is less clear what happens to biodiversity in the…”
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Functional richness outperforms taxonomic richness in predicting ecosystem functioning in natural phytoplankton communities by Abonyi, András, Horváth, Zsófia, Ptacnik, Robert

“…Recent studies clearly support a positive biodiversity–ecosystem functioning (BEF) relationship in phytoplankton. As taxon richness does not quantify…”
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Phytoplankton species richness, evenness, and production in relation to nutrient availability and imbalance by Lehtinen, Sirpa, Tamminen, Timo, Ptacnik, Robert, Andersen, Tom

“…We used natural phytoplankton communities from four coastal regions to test diversity-functioning relationships, relations of N₂-fixing cyanobacteria to…”
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Plankton metacommunities in floodplain wetlands under contrasting hydrological conditions by Chaparro, Griselda, Horváth, Zsófia, O'Farrell, Inés, Ptacnik, Robert, Hein, Thomas

“…Species diversity is affected by processes operating at multiple spatial scales, although the most relevant scales that contribute to compositional variation…”
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Performance of the Redfield Ratio and a Family of Nutrient Limitation Indicators as Thresholds for Phytoplankton N vs. P Limitation by Ptacnik, Robert, Andersen, Tom, Tamminen, Timo

“…We aim to define the best nutrient limitation indicator predicting phytoplankton biomass increase as a result of nutrient enrichment (N, P, or both). We…”
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Goldman revisited: Faster-growing phytoplankton has lower N : P and lower stoichiometric flexibility by Hillebrand, Helmut, Steinert, Georg, Boersma, Maarten, Malzahn, Arne, Léo Meunier, Cédric, Plum, Christoph, Ptacnik, Robert

“…In their seminal paper, Goldman et al. suggested that phytoplankton close to maximum growth rate attains a restricted optimal N : P ratio close to the Redfield…”
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Diversity Predicts Stability and Resource Use Efficiency in Natural Phytoplankton Communities by Ptacnik, Robert, Solimini, Angelo G., Andersen, Tom, Tamminen, Timo, Brettum, Pål, Lepistö, Liisa, Willén, Eva, Rekolainen, Seppo

“…The relationship between species diversity and ecosystem functioning has been debated for decades, especially in relation to the "macroscopic" realm (higher…”
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Predictable shifts in diversity and ecosystem function in phytoplankton communities along coastal salinity continua by Olli, Kalle, Tamminen, Timo, Ptacnik, Robert

“…Salinity is a major environmental predictor of phytoplankton species richness and composition. We hypothesize that the variation in phytoplankton richness…”
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Wind dispersal results in a gradient of dispersal limitation and environmental match among discrete aquatic habitats by Horváth, Zsófia, Vad, Csaba F., Ptacnik, Robert

“…Directional dispersal by wind and other dispersal agents may generate spatial patterns in passively dispersing metacommunities which cannot be detected by…”
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Separating the influence of resource 'availability' from resource 'imbalance' on productivity-diversity relationships by Cardinale, Bradley J, Hillebrand, Helmut, Harpole, W.S, Gross, Kevin, Ptacnik, Robert

“…One of the oldest and richest questions in biology is that of how species diversity is related to the availability of resources that limit the productivity of…”
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Editorial: Advances in marine and freshwater monitoring to support aquatic ecosystem conservation and restoration by Manea, Elisabetta, Bergami, Caterina, Ptacnik, Robert

“…Podda et al. use long-term data from river systems in Sardinia to assess the effect of dams on the population dynamics of the European Eel. [...]Di Muri et al…”
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Parasitic Chytrids Upgrade and Convey Primary Produced Carbon During Inedible Algae Proliferation by Rasconi, Serena, Ptacnik, Robert, Danner, Stefanie, Van den Wyngaert, Silke, Rohrlack, Thomas, Pilecky, Matthias, Kainz, Martin J.

“…Microbial parasites have only recently been included in planktonic food web studies, but their functional role in conveying dietary energy still remains to be…”
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Biodiversity effects on plant stoichiometry by Abbas, Maike, Ebeling, Anne, Oelmann, Yvonne, Ptacnik, Robert, Roscher, Christiane, Weigelt, Alexandra, Weisser, Wolfgang W, Wilcke, Wolfgang, Hillebrand, Helmut

“…In the course of the biodiversity-ecosystem functioning debate, the issue of multifunctionality of species communities has recently become a major focus…”
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Pleistocene allopatric differentiation followed by recent range expansion explains the distribution and molecular diversity of two congeneric crustacean species in the Palaearctic by Lukić, Dunja, Pinceel, Tom, Marrone, Federico, Mioduchowska, Monika, Vad, Csaba F., Brendonck, Luc, Ptacnik, Robert, Horváth, Zsófia

“…Pleistocene glaciations had a tremendous impact on the biota across the Palaearctic, resulting in strong phylogeographic signals of range contraction and rapid…”
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A light-induced shortcut in the planktonic microbial loop by Ptacnik, Robert, Gomes, Ana, Royer, Sarah-Jeanne, Berger, Stella A., Calbet, Albert, Nejstgaard, Jens C., Gasol, Josep M., Isari, Stamatina, Moorthi, Stefanie D., Ptacnikova, Radka, Striebel, Maren, Sazhin, Andrey F., Tsagaraki, Tatiana M., Zervoudaki, Soultana, Altoja, Kristi, Dimitriou, Panagiotis D., Laas, Peeter, Gazihan, Ayse, Martínez, Rodrigo A., Schabhüttl, Stefanie, Santi, Ioulia, Sousoni, Despoina, Pitta, Paraskevi

“…Mixotrophs combine photosynthesis with phagotrophy to cover their demands in energy and essential nutrients. This gives them a competitive advantage under…”
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Diversity and community biomass depend on dispersal and disturbance in microalgal communities by Matthiessen, Birte, Ptacnik, Robert, Hillebrand, Helmut

“…The evidence for species diversity effects on ecosystem functions is mainly based on studies not explicitly addressing local or regional processes regulating…”
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Environmental variability in aquatic ecosystems: Avenues for future multifactorial experiments by Gerhard, Miriam, Koussoroplis, Apostolos‐Manuel, Raatz, Michael, Pansch, Christian, Fey, Samuel B., Vajedsamiei, Jahangir, Calderó‐Pascual, Maria, Cunillera‐Montcusí, David, Juvigny‐Khenafou, Noël P. D., Polazzo, Francesco, Thomas, Patrick K., Symons, Celia C., Beklioğlu, Meryem, Berger, Stella A., Chefaoui, Rosa M., Ger, Kemal Ali, Langenheder, Silke, Nejstgaard, Jens C., Ptacnik, Robert, Striebel, Maren

“…The relevance of considering environmental variability for understanding and predicting biological responses to environmental changes has resulted in a recent…”
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Effects of light availability on mixotrophy and microzooplankton grazing in an oligotrophic plankton food web: Evidences from a mesocosm study in Eastern Mediterranean waters by Calbet, Albert, Martínez, Rodrigo A., Isari, Stamatina, Zervoudaki, Soultana, Nejstgaard, Jens C., Pitta, Paraskevi, Sazhin, Andrey F., Sousoni, Despoina, Gomes, Ana, Berger, Stella A., Tsagaraki, Tatiana M., Ptacnik, Robert

“…Plankton biomass and composition in the pelagic zone of oceans is exposed to changes in availability of light and nutrients due to large-scale ocean…”
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effect of a mixotrophic chrysophyte on toxic and colony-forming cyanobacteria by VAN DONK, ELLEN, CERBIN, SLAWEK, WILKEN, SUSANNE, HELMSING, NICO R, PTACNIK, ROBERT, VERSCHOOR, ANTONIE M

“…1. In order to test the effect of Ochromonas sp., a mixotrophic chrysophyte, on cyanobacteria, grazing experiments were performed under controlled conditions…”
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