Haemolytic activity of live Phaeocystis pouchetii during mesocosm blooms

Title
Haemolytic activity of live Phaeocystis pouchetii during mesocosm blooms
Publication Type
Journal Article
Year of Publication
2007
Authors

vanRijssel M, Alderkamp AC, Nejstgaard JC, Sazhin AF, Verity PG

Journal
Biogeochemistry
Volume
83
Pagination
189-200
ISBN Number
Keywords

Allelopathy, Chemical defence, Prymnesiophyte, PUFA, PUA, mesocosm, Raunefjorden, Bergen, Norway, 11 m3

Abstract
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Ability of a “minimum” microbial food web model to reproduce response patterns observed in mesocosms manipulated with N and P, glucose, and Si

Title
Ability of a “minimum” microbial food web model to reproduce response patterns observed in mesocosms manipulated with N and P, glucose, and Si
Publication Type
Journal Article
Year of Publication
2007
Authors

Thingstad TF, Havskum H, Zweifel UL, Berdalet E, Sala MM, Peters F, Alcaraz M, Scharek R, Perez M, Jacquet S, Flaten FGA, Dolan JR, Marrasé C, Rassoulzadegan F, Hagstrom A, Vaulot D

Journal
Journal of Marine Systems
Volume
64
Pagination
15-34
ISBN Number
Keywords

Food web, Growth regulators, model, Microbiology, mesocosm, Norway, Espegrend, Bergen, 11 m3

Abstract
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Contributions of Different Organic Carbon Sources to Daphnia in the Pelagic Foodweb of a Small Polyhumic Lake: Results from Mesocosm DI13C-Additions

Title
Contributions of Different Organic Carbon Sources to Daphnia in the Pelagic Foodweb of a Small Polyhumic Lake: Results from Mesocosm DI13C-Additions
Publication Type
Journal Article
Year of Publication
2007
Authors

Taipale S, Kankaala P, Jones RI

Journal
Ecosystems
Volume
10
Pagination
757-772
ISBN Number
Keywords

lake enclosures, allochthonous organic carbon, 13C-addition, Daphnia, model, Food web, isotopes, methanotrophic bacteria, mesocosm, 12 m3, Mekkojarvi, Finland

Abstract
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Substrate kinetics of DMSP-lyases in axenic cultures and mesocosm populations of Emiliania huxleyi

Title
Substrate kinetics of DMSP-lyases in axenic cultures and mesocosm populations of Emiliania huxleyi
Publication Type
Journal Article
Year of Publication
2007
Authors

Steinke M, Evans C, Lee GA, Malin G

Journal
Aquatic Sciences
Volume
69
Pagination
352-359
ISBN Number
Keywords

DMSP-lyase enzymes, substrate kinetics, Emiliania huxleyi, mesocosm, 11 m3, Bergen, Norway

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An indoor mesocosm system to study the effect of climate change on the late winter and spring succession of Baltic Sea phyto- and zooplankton

Title
An indoor mesocosm system to study the effect of climate change on the late winter and spring succession of Baltic Sea phyto- and zooplankton
Publication Type
Journal Article
Year of Publication
2007
Authors

Sommer U, Aberle N, Engel A, Hansen T, Lengfellner K, Sandow M, Wohlers J, Zollner E, Riebesell U

Journal
Oecologia
Volume
150
Pagination
655-667
ISBN Number
Keywords

Plankton, climate change, seasonal succession, spring bloom, mesocosm, 1.4 m3, Kiel, Germany

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Air-sea fluxes of methanol, acetone, acetaldehyde, isoprene and DMS from a Norwegian fjord following a phytoplankton bloom in a mesocosm experiment

Title
Air-sea fluxes of methanol, acetone, acetaldehyde, isoprene and DMS from a Norwegian fjord following a phytoplankton bloom in a mesocosm experiment
Publication Type
Journal Article
Year of Publication
2007
Authors

Sinha V, Williams J, Meyerhofer M, Riebesell U, Paulino AI, Larsen A

Journal
Atmospheric Chemistry and Physics
Volume
7
Pagination
739-755
ISBN Number
Keywords

Emiliania huxleyi, co2, acidification, growth rates, DMS, Dimethylsulfide, VOC, mesocosm, Espegrend, Raunefjord, Bergen, 11 m3, Norway

Abstract
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Modelling carbon overconsumption and the formation of extracellular particulate organic carbon

Title
Modelling carbon overconsumption and the formation of extracellular particulate organic carbon
Publication Type
Journal Article
Year of Publication
2007
Authors

Schartau M, Engel A, Schroter J, Thoms S, Volker C, Wolf-Gladrow D

Journal
Biogeosciences
Volume
4
Pagination
433-454
ISBN Number
Keywords

Emiliania huxleyi, TEP, DOC, Carbon overconsumption, co2, Redfield ratios, mesocosm, Raunefjord, Bergen, 11 m3, model, Norway

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Initial conditions mediate the interaction between Daphnia and bloom-forming cyanobacteria

Title
Initial conditions mediate the interaction between Daphnia and bloom-forming cyanobacteria

Publication Type
Journal Article

Year of Publication
2007

Authors

Sarnelle O

Journal
Limnology and Oceanography

Volume
52

Pagination
2120-2127

ISBN Number
0024-3590

Keywords

toxic cyanobacteria, eutrophic lake, Dapnhia, microcystis-aeruginosa, body-size, Zooplankton, water, biomass, phytoplankton, chlorophyll, phosphorus, mesocosm, freshwater, California, USA, 4m3

Abstract

To assess whether Daphnia populations in eutrophic lakes can increase when bloom-forming cyanobacteria dominate the phytoplankton assemblage and whether such an increase can result in strong suppression of phytoplankton biomass, I created contrasting initial conditions ( high Daphnia pulicaria, low cyanobacteria vs. low D. pulicaria, high cyanobacteria) via fish manipulation in large enclosures, then removed fish from some enclosures and subsequently monitored zooplankton and phytoplankton abundance for 48 days. After being released from fish predation, D. pulicaria was apparently able to reduce cyanobacteria and total phytoplankton biomass to very low levels despite the fact that the phytoplankton assemblage was initially composed of about 90% Microcystis aeruginosa, a species that has inhibited Daphnia growth and reproduction in many laboratory studies. Thus, it appears possible for Daphnia to graze down an established bloom of cyanobacteria. In contrast, in enclosures where fish were never present, M. aeruginosa was eventually able to increase from low levels despite initially high D. pulicaria biomass. As a result, the apparent effect of D. pulicaria on M. aeruginosa at the end of the experiment was very different across enclosures with different initial conditions.

Date of Published
Sep

Accession Number
WOS:000249416200032

Type of Article
Article

Alternate Journal
Limnol. Oceanogr.

Assessment of the environmental fate and effects of ivermectin in aquatic mesocosms

Title
Assessment of the environmental fate and effects of ivermectin in aquatic mesocosms
Publication Type
Journal Article
Year of Publication
2007
Authors

Sanderson H, Laird B, Pope L, Brain R, Wilaon C, Johnson D, Bryning G, Peregrine AS, Boxall A, Solomon K

Journal
Aquatic Toxicology
Volume
85
Pagination
229-240
ISBN Number
Keywords

mesocosm, Ivermectin, Risk assessment, sediment, Zooplankton, Guelph mesocosm facility, Ontario, 12 m3, freshwater, Canada

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Enhanced biological carbon consumption in a high CO2 ocean

Title
Enhanced biological carbon consumption in a high CO2 ocean
Publication Type
Journal Article
Year of Publication
2007
Authors

Riebesell U, Schulz KG, Bellerby RGJ, Botros M, Fritsche P, Meyerhofer M, Neill C, Nondal G, Oschlies A, Wohlers J, Zollner E

Journal
Nature
Volume
450
Pagination
545-548
ISBN Number
Keywords

co2, acidification, carbon consumption, mesocosm, Espegrend, Bergen, Norway, 11 m3

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