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Spilling K, Asmala E, Haavisto N, Haraguchi L, Kraft K, Lehto AM, Lewandowska AM, Norkko J, Piiparinen J, Seppälä J, Vanharanta M, Vehmaa A, Ylöstalo P, Tamminen T. Brownification affects phytoplankton community composition but not primary productivity in eutrophic coastal waters: A mesocosm experiment in the Baltic Sea. Sci Total Environ 2022; 841:156510. [PMID: 35700777 DOI: 10.1016/j.scitotenv.2022.156510] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 06/01/2022] [Accepted: 06/02/2022] [Indexed: 06/15/2023]
Abstract
Climate change is projected to cause brownification of some coastal seas due to increased runoff of terrestrially derived organic matter. We carried out a mesocosm experiment (15 d) to test the effect of this on the planktonic ecosystem expecting reduced primary production and shifts in the phytoplankton community composition. The experiment was set up in 2.2 m3 mesocosm bags using four treatments, each with three replicates: control (Contr) without any manipulation, organic carbon additive HuminFeed (Hum; 2 mg L-1), inorganic nutrients (Nutr; 5.7 μM NH4 and 0.65 μM PO4), and combined Nutr and Hum (Nutr + Hum) additions. Measured variables included organic and inorganic nutrient pools, chlorophyll a (Chla), primary and bacterial production and particle counts by flow cytometry. The bags with added inorganic nutrients developed a phytoplankton bloom that depleted inorganic N at day 6, followed by a rapid decline in Chla. Brownification did not reduce primary production at the tested concentration. Bacterial production was lowest in the Contr, but similar in the three treatments receiving additions likely due to increased carbon available for heterotrophic bacteria. Picoeukaryotes clearly benefited by brownification after inorganic N depletion, which could be due to more effective nutrient recycling, nutrient affinity, light absorption, or alternatively lower grazing pressure. In conclusion, brownification shifted the phytoplankton community composition towards smaller species with potential effects on carbon fluxes, such as sinking rates and export to the sea floor.
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Affiliation(s)
- Kristian Spilling
- Marine Research Centre, Finnish Environment Institute, Helsinki, Finland; Centre for Coastal Research, University of Agder, Kristiansand, Norway.
| | - Eero Asmala
- Tvärminne Zoological Station, University of Helsinki, Hanko, Finland; Geological Survey of Finland, Espoo, Finland
| | - Noora Haavisto
- Marine Research Centre, Finnish Environment Institute, Helsinki, Finland
| | - Lumi Haraguchi
- Marine Research Centre, Finnish Environment Institute, Helsinki, Finland
| | - Kaisa Kraft
- Marine Research Centre, Finnish Environment Institute, Helsinki, Finland
| | - Anne-Mari Lehto
- Marine Research Centre, Finnish Environment Institute, Helsinki, Finland
| | | | - Joanna Norkko
- Tvärminne Zoological Station, University of Helsinki, Hanko, Finland
| | - Jonna Piiparinen
- Marine Research Centre, Finnish Environment Institute, Helsinki, Finland
| | - Jukka Seppälä
- Marine Research Centre, Finnish Environment Institute, Helsinki, Finland
| | - Mari Vanharanta
- Marine Research Centre, Finnish Environment Institute, Helsinki, Finland; Tvärminne Zoological Station, University of Helsinki, Hanko, Finland
| | - Anu Vehmaa
- Tvärminne Zoological Station, University of Helsinki, Hanko, Finland
| | - Pasi Ylöstalo
- Marine Research Centre, Finnish Environment Institute, Helsinki, Finland
| | - Timo Tamminen
- Marine Research Centre, Finnish Environment Institute, Helsinki, Finland
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Stockwell JD, Doubek JP, Adrian R, Anneville O, Carey CC, Carvalho L, De Senerpont Domis LN, Dur G, Frassl MA, Grossart H, Ibelings BW, Lajeunesse MJ, Lewandowska AM, Llames ME, Matsuzaki SS, Nodine ER, Nõges P, Patil VP, Pomati F, Rinke K, Rudstam LG, Rusak JA, Salmaso N, Seltmann CT, Straile D, Thackeray SJ, Thiery W, Urrutia‐Cordero P, Venail P, Verburg P, Woolway RI, Zohary T, Andersen MR, Bhattacharya R, Hejzlar J, Janatian N, Kpodonu ATNK, Williamson TJ, Wilson HL. Storm impacts on phytoplankton community dynamics in lakes. Glob Chang Biol 2020; 26:2756-2784. [PMID: 32133744 PMCID: PMC7216882 DOI: 10.1111/gcb.15033] [Citation(s) in RCA: 60] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Accepted: 01/25/2020] [Indexed: 05/03/2023]
Abstract
In many regions across the globe, extreme weather events such as storms have increased in frequency, intensity, and duration due to climate change. Ecological theory predicts that such extreme events should have large impacts on ecosystem structure and function. High winds and precipitation associated with storms can affect lakes via short-term runoff events from watersheds and physical mixing of the water column. In addition, lakes connected to rivers and streams will also experience flushing due to high flow rates. Although we have a well-developed understanding of how wind and precipitation events can alter lake physical processes and some aspects of biogeochemical cycling, our mechanistic understanding of the emergent responses of phytoplankton communities is poor. Here we provide a comprehensive synthesis that identifies how storms interact with lake and watershed attributes and their antecedent conditions to generate changes in lake physical and chemical environments. Such changes can restructure phytoplankton communities and their dynamics, as well as result in altered ecological function (e.g., carbon, nutrient and energy cycling) in the short- and long-term. We summarize the current understanding of storm-induced phytoplankton dynamics, identify knowledge gaps with a systematic review of the literature, and suggest future research directions across a gradient of lake types and environmental conditions.
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Lewandowska AM, Biermann A, Borer ET, Cebrián-Piqueras MA, Declerck SAJ, De Meester L, Van Donk E, Gamfeldt L, Gruner DS, Hagenah N, Harpole WS, Kirkman KP, Klausmeier CA, Kleyer M, Knops JMH, Lemmens P, Lind EM, Litchman E, Mantilla-Contreras J, Martens K, Meier S, Minden V, Moore JL, Venterink HO, Seabloom EW, Sommer U, Striebel M, Trenkamp A, Trinogga J, Urabe J, Vyverman W, Van de Waal DB, Widdicombe CE, Hillebrand H. The influence of balanced and imbalanced resource supply on biodiversity-functioning relationship across ecosystems. Philos Trans R Soc Lond B Biol Sci 2017; 371:rstb.2015.0283. [PMID: 27114584 DOI: 10.1098/rstb.2015.0283] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/15/2016] [Indexed: 11/12/2022] Open
Abstract
Numerous studies show that increasing species richness leads to higher ecosystem productivity. This effect is often attributed to more efficient portioning of multiple resources in communities with higher numbers of competing species, indicating the role of resource supply and stoichiometry for biodiversity-ecosystem functioning relationships. Here, we merged theory on ecological stoichiometry with a framework of biodiversity-ecosystem functioning to understand how resource use transfers into primary production. We applied a structural equation model to define patterns of diversity-productivity relationships with respect to available resources. Meta-analysis was used to summarize the findings across ecosystem types ranging from aquatic ecosystems to grasslands and forests. As hypothesized, resource supply increased realized productivity and richness, but we found significant differences between ecosystems and study types. Increased richness was associated with increased productivity, although this effect was not seen in experiments. More even communities had lower productivity, indicating that biomass production is often maintained by a few dominant species, and reduced dominance generally reduced ecosystem productivity. This synthesis, which integrates observational and experimental studies in a variety of ecosystems and geographical regions, exposes common patterns and differences in biodiversity-functioning relationships, and increases the mechanistic understanding of changes in ecosystems productivity.
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Affiliation(s)
- Aleksandra M Lewandowska
- German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Deutscher Platz 5e, 04103 Leipzig, Germany Institute for Chemistry and Biology of the Marine Environment (ICBM), Carl von Ossietzky University of Oldenburg, Schleusenstraße 1, 26382 Wilhelmshaven, Germany
| | - Antje Biermann
- GEOMAR Helmholtz Centre for Ocean Research Kiel, Düsternbrooker Weg 20, 24105 Kiel, Germany
| | - Elizabeth T Borer
- Department of Ecology, Evolution and Behavior, University of Minnesota, 140 Gortner Laboratory, 1479 Gortner Avenue, St Paul, MN 55108, USA
| | - Miguel A Cebrián-Piqueras
- Institute for Biology and Environmental Sciences, Carl von Ossietzky University of Oldenburg, Carl von Ossietzky Straße 9-11, 26111 Oldenburg, Germany
| | - Steven A J Declerck
- Department of Aquatic Ecology, Netherlands Institute of Ecology (NIOO-KNAW), Droevendaalsesteeg 10, 6708 PB Wageningen, The Netherlands
| | - Luc De Meester
- Laboratory of Aquatic Ecology, Evolution and Conservation, KU Leuven, Charles Deberiotstraat 32 bus 2439, 3000 Leuven, Belgium
| | - Ellen Van Donk
- Department of Aquatic Ecology, Netherlands Institute of Ecology (NIOO-KNAW), Droevendaalsesteeg 10, 6708 PB Wageningen, The Netherlands Department of Ecology and Biodiversity, University of Utrecht, Padualaan 8, 3584 Utrecht, The Netherlands
| | - Lars Gamfeldt
- Department of Marine Sciences, University of Gothenburg, Carl Skottsbergs gata 22B, 41319 Göteborg, Sweden
| | - Daniel S Gruner
- Department of Entomology, University of Maryland, 4112 Plant Sciences, College Park, MD 20742, USA
| | - Nicole Hagenah
- School of Life Sciences, University of KwaZulu-Natal, Carbis Road, Scottsville, Pietermaritzburg 3209, South Africa
| | - W Stanley Harpole
- German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Deutscher Platz 5e, 04103 Leipzig, Germany Department of Physiological Diversity, Helmholtz Center for Environmental Research UFZ, Permoserstraße 15, 04318 Leipzig, Germany Institute of Biology, Martin Luther University Halle-Wittenberg, Kurt-Mothes-Straße 3, 06108 Halle (Saale), Germany
| | - Kevin P Kirkman
- School of Life Sciences, University of KwaZulu-Natal, Carbis Road, Scottsville, Pietermaritzburg 3209, South Africa
| | - Christopher A Klausmeier
- W. K. Kellogg Biological Station, Michigan State University, Hickory Corners, MI 49060 USA Department of Plant Biology, Michigan State University, 612 Wilson Road, East Lansing, MI 48824 USA
| | - Michael Kleyer
- Institute for Biology and Environmental Sciences, Carl von Ossietzky University of Oldenburg, Carl von Ossietzky Straße 9-11, 26111 Oldenburg, Germany
| | - Johannes M H Knops
- School of Biological Sciences, University of Nebraska, 211 Manter Hall, Lincoln, NE 68588, USA
| | - Pieter Lemmens
- Laboratory of Aquatic Ecology, Evolution and Conservation, KU Leuven, Charles Deberiotstraat 32 bus 2439, 3000 Leuven, Belgium
| | - Eric M Lind
- Department of Ecology, Evolution and Behavior, University of Minnesota, 140 Gortner Laboratory, 1479 Gortner Avenue, St Paul, MN 55108, USA
| | - Elena Litchman
- W. K. Kellogg Biological Station, Michigan State University, Hickory Corners, MI 49060 USA Department of Integrative Biology, Michigan State University, 288 Farm Lane, East Lansing, MI 48824, USA
| | - Jasmin Mantilla-Contreras
- Institute of Biology and Chemistry, University of Hildesheim, Universitätsplatz 1, 31141 Hildesheim, Germany
| | - Koen Martens
- Royal Belgian Institute of Natural Sciences (RBINSc), Vautierstraat 29, 1000 Brussels, Belgium
| | - Sandra Meier
- Institute for Chemistry and Biology of the Marine Environment (ICBM), Carl von Ossietzky University of Oldenburg, Schleusenstraße 1, 26382 Wilhelmshaven, Germany
| | - Vanessa Minden
- Institute for Biology and Environmental Sciences, Carl von Ossietzky University of Oldenburg, Carl von Ossietzky Straße 9-11, 26111 Oldenburg, Germany
| | - Joslin L Moore
- School of Biological Sciences, Monash University, Wellington Road, Clayton, Victoria 3800, Australia
| | - Harry Olde Venterink
- Department of Biology, Vrije Universiteit Brussel, Pleinlaan 2, 1050 Brussels, Belgium
| | - Eric W Seabloom
- Department of Ecology, Evolution and Behavior, University of Minnesota, 140 Gortner Laboratory, 1479 Gortner Avenue, St Paul, MN 55108, USA
| | - Ulrich Sommer
- GEOMAR Helmholtz Centre for Ocean Research Kiel, Düsternbrooker Weg 20, 24105 Kiel, Germany
| | - Maren Striebel
- Institute for Chemistry and Biology of the Marine Environment (ICBM), Carl von Ossietzky University of Oldenburg, Schleusenstraße 1, 26382 Wilhelmshaven, Germany
| | - Anastasia Trenkamp
- Institute of Biology and Chemistry, University of Hildesheim, Universitätsplatz 1, 31141 Hildesheim, Germany
| | - Juliane Trinogga
- Institute for Biology and Environmental Sciences, Carl von Ossietzky University of Oldenburg, Carl von Ossietzky Straße 9-11, 26111 Oldenburg, Germany
| | - Jotaro Urabe
- Graduate School of Life Sciences, Tohoku University, Aoba 6-3, Aramaki, Aoba-ku, Sendai 982-0011, Japan
| | - Wim Vyverman
- Department of Biology, Ghent University, Krijgslaan 281 S8, 9000 Ghent, Belgium
| | - Dedmer B Van de Waal
- Department of Aquatic Ecology, Netherlands Institute of Ecology (NIOO-KNAW), Droevendaalsesteeg 10, 6708 PB Wageningen, The Netherlands
| | | | - Helmut Hillebrand
- Institute for Chemistry and Biology of the Marine Environment (ICBM), Carl von Ossietzky University of Oldenburg, Schleusenstraße 1, 26382 Wilhelmshaven, Germany
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