Darwin Center programs and projects1070: The DARWIN Azolla project – (palaeo) ecology and biogeochemistry of the freshwater fern Azolla and its importance in global biogeochemical cycles1044: Chironomid 13C as a proxy of past methane emission from thermokarst lake sediments: development, calibration and application1072: Subproject 2, the palaeoecological component2013: Chitinous aquatic organisms as proxies for lake surface temperature
Darwin Center publicationsvan Hardenbroek, M., Heiri, O., Grey, J., Bodelier, P.L.E., Verbruggen, F., Lotter, A.F.
(2009). Fossil chironomid δ13C as a proxy for past methanogenic contribution to benthic food webs in lakes?
. Journal of Paleolimnology1-11.
Darwin Center authors: Bodelier P. L. E., van Hardenbroek M. R., Lotter A. F., Verbruggen F.Speelman, E.N., van Kempen, M.M.L., Barke, J., Brinkhuis, H., Reichart, G.J., Smolders, A.J.P., Roelofs, J.G.M., Sangiorgi, F., de Leeuw, J.W., Lotter, A.F., Sinninghe Damsté, J.S.
(2009). The Eocene Arctic Azolla bloom: environmental conditions, productivity and carbon drawdown
. Geobiology7 (2): 155-170.
Darwin Center authors: Barke J., Brinkhuis H., van Kempen M. M. L., Lotter A. F., Reichart G. J., Roelofs J. G. M., Sinninghe Damsté J. S., Speelman E. N.Cornelia I. Blaga, Gert-Jan Reichart, Stefan Schouten, André F. Lotter, Josef P. Werne, Sarian Kosten, Nestor Mazzeo, Gissell Lacerot, Jaap S. Sinninghe Damsté (2010). Branched glycerol dialkyl glycerol tetraethers in lake sediments: Can they be used as temperature and pH proxies?. Organic Geochemistry41: 1225-1234.
Darwin Center authors: Blaga C. I., Lotter A. F., Reichart G. J., Schouten S., Sinninghe Damsté J. S.F. Verbruggen, O. Heiri, G.-J. Reichart, A.F. Lotter (2010). Chironomid d18O as a proxy for past lake water d18O: a Lateglacial record from Rotsee (Switzerland). Quaternary Science Reviews29: 2271-2279.
Darwin Center authors: Heiri O. M., Lotter A. F., Reichart G. J., Verbruggen F.F. Verbruggen, O. Heiri, G.-J. Reichart, J. W. De Leeuw, K. G. J. Nierop and A. F. Lotter (2010). Effects of chemical pretreatments on δ18O measurements, chemical composition, and morphology of chironomid head capsules. Journal of Paleolimnology43: 857-872.
Darwin Center authors: Heiri O. M., Lotter A. F., Reichart G. J., Verbruggen F.Emiliya P. Kirilova, Maarten van Hardenbroek, Oliver Heiri, Holger Cremer and Andre´ F. Lotter (2010). 500 years of trophic-state history of a hypertrophic Dutch
dike-breach lake. Journal of Paleolimnology43 (4): 829-842.
Darwin Center authors: van Hardenbroek M. R., Heiri O. M., Lotter A. F.Maarten van Hardenbroek, Oliver Heiri and Andre F. Lotter (2010). Efficiency of different mesh sizes for isolating fossil chironomids for stable isotope and radiocarbon analyses. Journal of Paleolimnology44 (2): 721-729.
Darwin Center authors: van Hardenbroek M. R., Heiri O. M., Lotter A. F.Verbruggen, F, Heiri, O, Meriläinen JJ, Lotter AF (2011). Subfossil chironomid assemblages in deep, stratified European lakes: Relationships with temperature, trophic state and oxygen. Freshwater Biology56: 407-423.
Darwin Center authors: Heiri O. M., Lotter A. F., Verbruggen F.Cornelia I. Blaga, Gert-Jan Reichart, Elisabeth W. Vissers,
André F. Lotter, Flavio S. Anselmetti, Jaap S. Sinninghe Damsté (2011). Seasonal changes in glycerol dialkyl glycerol tetraether concentrations and fluxes in a perialpine lake: Implications for the use of the TEX86 and BIT proxies. Geochimica et Cosmochimica ActaVolume 75, Issue 21: 6416-6428.
Darwin Center authors: Blaga C. I., Lotter A. F., Reichart G. J., Sinninghe Damsté J. S., Vissers E. W.M. van Hardenbroek • O. Heiri • M. F. Wilhelm • A. F. Lotter (2011). How representative are subfossil assemblages of Chironomidae
and common benthic invertebrates for the living fauna
of Lake De Waay, the Netherlands?. Aquatic Sciences73: 247-259.
Darwin Center authors: van Hardenbroek M. R., Heiri O. M., Lotter A. F.Barke, J., Abels, H.A., Sangiorgi, F., Greenwood, D.R., Sweet, A.R., Donders, T., Reichart, G.-J. , Lotter, A.F., Brinkhuis, H. (2011). Orbitally forced Azolla blooms And Middle Eocene Arctic hydrology: Clues from palynology
. GeologyVolume 39, Issue 5: 427-430.
Darwin Center authors: Barke J., Brinkhuis H., Lotter A. F., Reichart G. J.Judith Barke, Johan van der Burgh, Johanna H.A. van Konijnenburg-van Cittert, Margaret E. Collinson, Martin A. Pearce, Jonathan Bujak, Claus Heilmann-Clausen, Eveline N. Speelman, Monique M.L. van Kempen, Gert-Jan Reichart,
André F. Lotter, Henk Brinkhuis (2012). Coeval Eocene blooms of the freshwater fern Azolla in and around Arctic and Nordic seas. Palaeogeography, Palaeoclimatology, Palaeoecology337-338: 108-119.
Darwin Center authors: Barke J., Brinkhuis H., van Kempen M. M. L., Lotter A. F., Reichart G. J., Speelman E. N.Van Hardenbroek, M. , Lotter, A. , Bastviken, D. , Duc, N. , Heiri, O. (2012). Relationship between δ13C of chironomid remains and methane flux in Swedish lakes. Freshwater BiologyVolume 57, Issue 1: 166-177.
Darwin Center authors: van Hardenbroek M. R., Heiri O. M., Lotter A. F.