Dipòsit Digital de Documents de la UAB 4 registres trobats  La cerca s'ha fet en 0.00 segons. 
1.
12 p, 1.4 MB Stable Carbon Isotope Signature of Methane Released From Phytoplankton / Klintzsch, Thomas (Heidelberg University. Institute of Earth Sciences) ; Geisinger, H. (Heidelberg University. Institute of Earth Sciences) ; Wieland, A. (Heidelberg University. Institute of Earth Sciences) ; Langer, Gerald (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals) ; Nehrke, G. (Alfred Wegener Institute. Helmholtz Centre for Polar and Marine Research) ; Bizic, Mina (Leibniz-Institute of Freshwater Ecology and Inland Fisheries) ; Greule, Markus (Heidelberg University. Institute of Earth Sciences) ; Lenhart, K. (University of Applied Sciences) ; Borsch, C. (Justus Liebig University Giessen) ; Schroll, M. (Heidelberg University. Institute of Earth Sciences) ; Keppler, Frank (Heidelberg University. Institute of Earth Sciences)
Aquatic ecosystems play an important role in global methane cycling and many field studies have reported methane supersaturation in the oxic surface mixed layer (SML) of the ocean and in the epilimnion of lakes. [...]
2023 - 10.1029/2023GL103317
Geophysical research letters, Vol. 50, Issue 12 (June 2023) , art. e2023GL103317  
2.
12 p, 546.0 KB Proxy Archives Based on Marine Calcifying Organisms and the Role of Process-Based Biomineralization Concepts / Nehrke, Gernot (Alfred Wegener Institute. Helmholtz Centre for Polar and Marine Research) ; Langer, Gerald (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals)
Proxy archives based on marine calcifying organisms and their element and isotope signatures represent valuable tools in the reconstruction of past climates. Despite the fact that the underlying biomineralization processes behind the measured signatures are poorly understood, these tools work remarkably well. [...]
2023 - 10.3390/min13040561
Minerals, Vol. 13, Issue 4 (April 2023) , art. 561  
3.
7 p, 1.1 MB Physiological controls on seawater uptake and calcification in the benthic foraminifer Ammonia tepida / Nooijer, L. J. de (Alfred-Wegener-Institut für Polar- und Meeresforschung) ; Langer, Gerald (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals) ; Nehrke, G. (Alfred-Wegener-Institut für Polar- und Meeresforschung) ; Bijma, Jelle (Alfred-Wegener-Institut für Polar- und Meeresforschung)
To analyze the relation between seawater uptake and calcification, we incubated juveniles of the benthic foraminifer Ammonia tepida with various fluorescent probes and visualised them afterwards with confocal laser scanning microscopy. [...]
2009 - 10.5194/bg-6-2669-2009
Biogeosciences, Vol. 6 No. 11 (November 2009) , p. 2669-2675  
4.
10 p, 2.2 MB Strain-specific responses of Emiliania huxleyi to changing seawater carbonate chemistry / Langer, Gerald (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals) ; Nehrke, G. (Alfred-Wegener-Institut für Polar- und Meeresforschung) ; Probert, I. (Station Biologique de Roscoff) ; Ly, J. (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals) ; Ziveri, Patrizia (Universitat Autònoma de Barcelona. Departament de Biologia Animal, de Biologia Vegetal i d'Ecologia)
Four strains of the coccolithophore E. huxleyi (RCC1212, RCC1216, RCC1238, RCC1256) were grown in dilute batch culture at four CO₂ levels ranging from ~200μatm to ~1200μatm. Growth rate, particulate organic carbon content, and particulate inorganic carbon content were measured, and organic and inorganic carbon production calculated. [...]
2009 - 10.5194/bg-6-2637-2009
Biogeosciences, Vol. 6 No. 11 (November 2009) , p. 2637-2646  

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