MP Group Publications 1995-2005

Refereed

2005

Haug, G. H., Ganopolski, A., Sigman, D. M., Rosell-Mele, A., Swann, G. E. A., Tiedemann, R., Jaccard, S. L., Bollmann, J., Maslin, M. A., Leng, M. J., and Eglinton, G. North Pacific seasonality and the glaciation of North America 2.7 million years ago. Nature 433: 821-825.

Jaccard, S. L., Haug, G. H., Sigman, D. M., Pedersen, T. F., Thierstein, H. R., and Rohl, U. Glacial/interglacial changes in subarctic North Pacific stratification. Science 308: 1003-1006.

Quinn, P. S., Cortes, M.Y., and Bollmann, J. Morphological variation in the deep ocean-dwelling coccolithophore Florisphaera profunda (Haptophyta). European Journal of Phycology 40(1): 123-133.

2004

de Vargas, C., Saez, A., Medlin, L. K. and Thierstein, H. R. Super-Species in the calcareous plankton. In: Coccolithophores - from molecular processes to global impact. Thierstein, H. R. and Young, J. Berlin, Heidelberg, Springer Verlag: 271-298.

Geisen, M., Young, J., Probert, I., Saez, A., Baumann, K.-H., Bollmann, J., Cros, L., de Vargas, C., Medlin , L. K. and Sprengel, C. Species level variation in coccolithophores. In: Coccolithophores - from molecular processes to global impact. Thierstein, H. R. and Young, J. Berlin, Heidelberg, Springer Verlag: 327-366.

Hein, A., Day, P. M., Quinn, P. S. and Kilikoglou, V. The geochemical diversity of Neogene clay deposits in Crete and its implications for provenance studies of Minoan pottery. Archaeometry 46(3): 357-384.

Henderiks, J. and Bollmann, J. The Gephyrocapsa sea surface paleothermometer put to the test: Comparison with alkenone and foraminifera proxies off NW Africa. Marine Micropaleontology 50(3/4): 161-184.

Henderiks, J. and Renaud, S. Coccolith size increase of Calcidiscus leptoporus offshore Morocco during the Last Glacial Maximum: an expression of enhanced glacial productivity? Journal of Nannoplankton Resarch 26(1): 1-12.

Herrle, J. O., Kossler, P., Friedrich, O., Erlenkeuser, H. and Hemleben, C. High-resolution carbon isotope records of the Aptian to Lower Albian from SE France and the Mazagan Plateau (DSDP Site 545): a stratigraphic tool for paleoceanographic and paleobiologic reconstruction. Earth and Planetary Science Letters 218(1-2): 149-161.

Morel, P. and Jaccard, S. Ozean, Klima und Atmosphäre: Gefährliche Allianz. Horizonte 61(Juni 2004): 8.

Quinn, P. S., Saez, A., Baumann, K.-H., Steel, B., Sprengel, C. and Medlin, L. K. Coccolithophorid biodiversity:evidence from the cosmopolitan species Calcidiscus leptoporus. In: Coccolithophores - from molecular processes to global impact. Thierstein, H. R. and Young, J. Berlin, Heidelberg, Springer Verlag: 299-326.

Rohling, E. J., Sprovieri, M., Cane, T., Casford, J. S. L., Cooke, S., Bouloubassi, I., Emeis, K. C., Schiebel, R., Rogerson, M., Hayes, A., Jorissen, F. J. and Kroon, D. Reconstructing past planktic foraminiferal habitats using stable isotope data: a case history for Medieterranean sapropel S5. Marine Micropaleontology 50: 89-123.

Schiebel, R., Zeltner, A., Treppke, U. F., Waniek, J., Bollmann, J., Rixen, T. and Hemleben, C. Distribution of diatoms, coccolithophores and planktic foraminifers along a trophic gradient during SW monsoon in the Arabian Sea. Marine Micropaleontology 51: 345-371.

Schmidt, D., Thierstein, H. R. and Bollmann, J. The evolutionary history of size variation of planktic foraminiferal assemblages in the Cenozoic. Palaeogeography, Palaeoclimatology, Palaeoecology 212: 159-180.

Schmidt, D., Thierstein, H. R., Bollmann, J. and Schiebel, R. Abiotic forcing of plankton evolution in the Cenozoic. Science 303: 207-210.

Schmidt, D. N., Renaud, S., Bollmann, J., Schiebel, R. and Thierstein, H. R. Size distribution of Holocene planktic foraminifer assemblages: biogeography, ecology and adaptation. Marine Micropaleontol. 50(3/4): 319-338.

Sigman, D. M., Jaccard, S. and Haug, G. H. Polar ocean stratification in a cold climate. Nature 428: 59-63.

Thierstein, H. R. and Bollmann, J. Evolution and ecology of coccolithophores: if lumping is out, how do we split? GSA Abstracts with Programs 36(5): 400-401.

Thierstein, H. R., Cortes, M. and Haidar, A. T. Plankton community behavior on ecological and evolutionary timescales: when models confront evidence. In: Coccolithophores - from molecular processes to global impact. Thierstein, H. R. and Young, J. Berlin, Heidelberg, Springer Verlag: 455-480.

Wortmann, U. G., Herrle, J. O. and Weissert, H. Altered carbon cycling and coupled changes in Early Cretaceous weathering patterns: Evidence from integrated carbon isotope and sandstone records of the western Tethys. Earth and Planetary Science Letters 220(1-2): 69-82.

Ziveri, P., Baumann, K.-H., Böckel, B., Bollmann, J. and Young, J. Biogeography of selected Holocene coccoliths in the Atlantic ocean. In: Coccolithophores - from molecular processes to global impact. Thierstein, H. R. and Young, J. Berlin, Heidelberg, Springer Verlag: 403-428.

2003

Altenbach, A. V., Lutze, G. F., Schiebel, R. and Schönfeld, J. Impact of interrelated and interdependent ecological controls on benthic foraminifera: an example from the Gulf of Guinea. Palaeogeography Palaeoclimatology Palaeoecology, 197: 213-238.

Quinn, P. S., Thierstein, H. R., Brand, L. and Winter, A. Experimental evidence for the species character of Calcidiscus leptoporus morphotypes. Journal of Paleontology, 77, 5: 825-830.

Renaud, S. and Schmidt, D. Habitat tracking as a response of the planktic foraminifer Globorotalia truncatulinoides to environmental fluctuations during the last 140 kyr. Marine Micropaleontology, 49: 97-122.

Haug, G. H., Günther, D., Peterson, L. C., Sigman, D. M., Hughen, K. A., and Aeschlimann, B. Climate and the collapse of Maya civilization. Science, 299: 1731-1735.

Ivanova, E., Schiebel, R., Singh, A. D., Schmiedl, G., Niebler, H.-S., and Hemleben, C. Primary production in the Arabian Sea during the last 135,000 years. Palaeogeography, Palaeoclimatology, Palaeoecology, 197, 1-2: 61-82.

Schmidt, D. N., Renaud, S., and Bollmann, J. Response of planktic foraminiferal size to late Quaternary climate change. Paleoceanography, 18 (3): Art. No. 1066.

Ziveri, P., Stoll, H. M., Probert, I., Klaas, C., Geisen, M., Ganssen, G., and Young, J. R. Stable isotope "vital effects" in coccolith calcite. Earth & Planetary Science Letters, 210: 137-149.

2002

2002 Abrantes, F., Meggers, H., Nave, S., Bollmann, J., Palma, S., Sprengel, C., Henderiks, J., Spies, A., Salgueiro, E., Moita, T., Neuer, S. Fluxes of micro-organisms along a productivity gradient in the Canary Islands region (29°N): implications for paleoreconstructions. Deep-Sea research II, 49: 3599-3629.

Bollmann, J., Henderiks, J., and Brabec, B. Global calibration of Gephyrocapsa coccolith abundance in Holocene sediments for paleotemperature assessment. Paleoceanography, 17: 7-1 to 7-9.

Bollmann, J., Cortés, M. Y., Haidar, A. T., Brabec, B., Close, A., Hofmann, R., Palma, S., Tupas, L., and Thierstein, H. R. Techniques for quantitative analyses of calcareous marine phytoplankton. Marine Micropaleontology, 44: 163-185.

Cortés, M. Y. and Bollmann, J. A new combination coccosphere of the heterococcolith species Coronosphera mediterranea and the holococcolith species Calyptrolithophorea hasleana. European Journal of Phycology, 37: 145-146.

Freudenthal, T., Meggers, H., Henderiks, J., Kihlmann, H., Moreno, A., Wefer, G. Upwelling intensity and filament activity off Morocco during the last 250'000 years. Deep-Sea Research II, 49: 3655-3674.

Henderiks, J., Freudenthal, T., Meggers, H., Nave, S., Abrantes, F., Bollmann, J., and Thierstein, H. R. Glacial-Interglacial variability of particle accumulation in the Canary Basin: a time-slice approach. Deep-Sea Research II, 49: 3675-3705.

Renaud, S., Ziveri, P. l., and Broerse, A. T. C. Geographical and seasonal differences in morphology and dynamics of the coccolithophore Calcidiscus leptoporus. Marine Micropaleontology, 46: 363-385.

Rohling, E. J., Cane, T. R., Cooke, S., Sprovieri, M., Bouloubassi, I., Emeis, K. C., Schiebel, R., Kroon, D., Jorissen, F. J., Lorre, A., and Kemp, A. E. S. African monsoon variability during the previous interglacial maximum. Earth Planetary Science Letters, 202: 61-75.

Schiebel, R. Planktic foraminiferal sedimentation and the marine calcite budget. Global Biogeochemical Cycles, 16: 21 (10.1029/2001GB001459).

Schiebel, R., Waniek, J., Zeltner, A., and Alves, M. Impact of the Azores Front on the distribution of planktic foraminifers, shelled gastropods, and coccolithophorids. Deep-Sea Research II, 49: 4035-4050.

Schiebel, R., Schmuker, B., Alves M., and Hemleben, C. Tracking the recent and late Pleistocene Azores front by the distribution of planktic foraminifers. Journal Marine Systems, 37: 213-227.

Schmuker, B. and Schiebel, R. Planktic foraminifers and hydrography of the eastern and northern Carinnean Sea. Marine Micropaleontology, 46: 387-403.

Sprengel, C., Baumann, K.-H., Henderiks, J., Henrich, R., and Neuer, S. Modern coccolithophore and carbonate sedimentation along a productivity gradient in the Canary Islands region: seasonal export production and surface accumulation rates. Deep-Sea Research II, 49: 3577-3598.

Stoll, H. M., Klaas, C. M., Probert, I., Ruiz Encinar, J., and Garcia Alonso, J. I. Calcification rate and temperature effects on Sr partitioning in coccoliths of multiple species of coccolithophorids in culture. Global Planetary Change, 34: 153-171.

Winter, A., Rost, B., Hilbrecht, H., and Elbrachter, M. Vertical and horizontal distribution of coccolithophores in the Caribbean Sea. Geo-Marine Letters, 22: 150-161.

2001

Cortés, M. Y., Bollmann, J., and Thierstein, H. R. Coccolithophore ecology at the HOT station ALOHA Hawai. Deep-Sea Research II, 48, 8-9: 1957-1981.

de Vargas, C., Renaud, S., Hilbrecht, H., and Pawlowski, J. Pleistocene Adaptive Radiation in Globorotalia truncatulinoides: Genetic, Morphologic, and Environmental Evidence. Paleobiology, 27, 1: 104-125.

Gasperini, L., Bernoulli, D., Bonatti, E., Borsetti, A. M., Ligi, M., Sartori, N. A. R., and von Salis, K. Lower Cretaceous to Eocene sedimentary transverse ridge at the Romanche Fracture Zone and the opening of the equatorial Atlantic. Marine Geology, 176, 1-4: 101-119.

Haidar, A. T. and Thierstein, H. R. Coccolithophore dynamics off Bermuda (N. Atlantic). Deep-Sea Research II, 48, 8-9: 1925-1956.

Haug, G. H., Hughen, K. A., Sigman, D. M., Peterson L. C., and Röhl, U. Southward migration of the intertropical convervence zone through the Holocene. Science, 293, 5533: 1304-1308.

Haug, G. H., Tiedemann, R., Zahn, R. and Ravello, A. C. Role of Panama uplift on oceanic freshwater balance. Geology, 29, 3: 207-210.

Moreno, A., Targarona, J., Henderiks, J., Canals, M., Freudenthal, T., and Meggers, H. Orbital forcing of dust supply to the North Canary Basin over the last 250 kyrs. Quaternary Science Reviews, 20, 12: 1327-1339.

Renaud, S. and Klaas, C. Seasonal variations in the morphology of the coccolithophore Calcidiscus leptoporus. Journal of Plankton Research, 23, 8: 779-795.

Schiebel, R., Waniek, J., Bork, M., and Hemleben, C. Planktic foraminiferal production stimulated by chlorophyll redistribution and entrainment of nutrients. Deep-Sea Research I, 48: 721-740.

Stoll, H. M, Ruiz-Encinar, J., Garcia-Alonso, J. I., Rosenthal, Y., Klaas, C., and Probert, I. A first look at paleotemperature prospects from Mg in coccolith carbonate: cleaning techniques and culture measurements. Geochemistry Geophysics Geosystems, 2:2000GC000144.

2000

2000 Haidar, A. T., Thierstein, H. R., and Deuser, W. G. Calcareous phytoplankton standing stocks, fluxes and accululation in Holocene sediments off Bermuda (N.Atlantic). Deep-Sea Research II, 47: 1907-1938.

Hochuli, P. A. "Organic nannofossils": A new type of palynomorph from the Palaeogene of the North Sea. Journal of Micropalaeontology, 19: 153-158.

Hochuli, P. A. and Frank, S. M. Palynology (dinoflagellate cysts, spore-pollen) and stratigraphy of the Lower Carnian Raibl Group in the Eastern Swiss Alps. Eclogae geol. Helv., 93: 429-443.

Knappertsbusch, M. Morphologic evolution of the coccolithophorid Calcidiscus leptoporus from the upper Oligocene to Recent. Journal of Paleontology, 74, 4: 712-730.

Mackensen, A., Schumacher, S., Radke, J., and Schmidt, D. N. Microhabitat preferences and stable carbon isotopes of endobenthic foraminifera: clue to quantitative reconstruction of oceanic new production? Marine Micropaleontology, 40: 233-258.

Molina, E., Cosovic, V., Gonzalvo, C., and von Salis, K. Integrated Biostratigraphy across the Ypresian/Lutetian Boundary at Agost, Spain. Rev. de Micropal., 43, 3: 381-391.

Monechi, S., Angori, E., and von Salis, K. Calcareous nannofossil turnover around the Paleocene/Eocene transition at Alamedilla (southern Spain). Bull. Soc. Géol. Fr., 4: 477-489.

Peterson, L. C., Haug, G. H., Hughen, K. A., and Röhl, U. Rapid changes in marine and terrestrial climate in the tropical Atlantic during the last glacial. Science, 290: 1947-1951.

Pika-Biolzi, M. and Hochuli, P. A. Industrial X-ray computed tomography applied to palaeobotanical research. Rivista Italiana Palaeontologia Stratigraphia, 106, 3: 369-377.

Schmuker, B. The influence of shelf vicinity on the distribution of planktic foraminifera south of Puerto Rico (Caribbean Sea). Marine Geology, 166: 125-143.

Yarincik, K. M., Murray, R. W., Lyons, T. W., Peterson, L. C. and Haug, G. H. Oxygenation history of bottom waters in the Cariaco Basin, Venezuela, over the past 578,00 years: Results form redox-sensitive metals (Mo, V, Mn, and Fe). Paleoceanography, 15, 6: 593-604.

1999

Bairbakhish, A. N., Bollmann, J., Sprengel, C., and Thierstein, H. R. A technique for disintegration of Aggregates and Coccospheres in Sediment Trap Samples. Marine Micropaleontology, 37: 218-223.

Bollmann, J., Brabec, B., Cortés, J. Y., and Geisen, M. Determination of absolute coccolith abundances in deep-sea sediments by spiking with microbeads and spraying (SMS-method). Marine Micropaleontology, 38: 29-38.

Geisen, M., Bollmann, J., Herrle, J. O., Mutterlose, J., and Young, J. R. Calibration of the random settling technique for calculation of absolute abundances of calcareous nannoplankton. Journal of Micropaleontology, 45, 4: 437-442.

Hochuli, P. A., Menegatti, P. A., Riva, A., Weissert, H., Erba, E., and Premoli-Silva, I. High-productivity and cooling episodes in the Early Aptian Alpine Tethys. Geology, 27, 7: 657-660.

Renaud, S. and Girard, C. Strategies of survival during extreme environmental perturbations: evolution of conodonts in response to the Kellwasser crisis (Upper Devonian). Palaeogeography, Palaeoclimatology, Palaeoecology, 146: 19-32.

Renaud, S., Benammi, M., and Jaeger, J. J. Morphological evolution of the murine rodent Paraethomys in response to climatic variations (Mio-Pleistocene of North Africa). Paleobiology, 25, 3: 369-382.

Renaud, S., Michauy, J., Mein, P., Aguilar, J. P., and Auffray, J. C. Morphometric analysis of the evolutionary radiation of the European Miocene murine rodents. Lethaia, 32: 100.

Renaud, S., Michauy, J., Mein, P., Aguilar, J. P., and Auffray, J. C. Patterns of size and shape diffferentiation during the evolutionary radiation of the European Miocene murine rodents. Lethaia, 32, 1: 61-71.

Spencer-Cervato, C. The Cenozoic deep sea microfossil record: explorations of the DSDP/ODP sample set using the Neptune database. Palaeontologica Electronica 2/2, http://www.nhm.ac.uk/hosted_sites/pe/1999_2/toc.htm.

1998

Bollmann, J., Baumann K.-H. and Thierstein, H. R. Global dominance of Gephyrocapsa coccoliths in late Pleistocene: Selective dissolution, evolution, or global environmental change? Paleoceanography, 13: 517-529.

Hilbrecht, H. Late Cretaceous carbon isotope stratigraphy: potential contribution of carbonate dissolution and taxonomic effects. Zbl. Geol. Palont. Teil I, 1996: 1245-1254.

Schmitz, B., Molina, E. and von Salis, K. The Zumaya section in Spain: A possible global stratotype section for the Selandian and Thanetian stages. Newsletter Stratigraphy, 36: 35-42.

von Salis, K. and Saxena, R. K. Calcareous nannofossils across the K/T boundary and the age of the deccan trap volcanism in southern India. Journal Geological Society of India, 51: 183-192.

1997

Bathmann, U. V., Scharek, R., Klaas, C., Dubischar, C. D., and Smetacek, V. Spring development of phytoplankton biomass and composition in major water masses of the Atlantic sector of the southern ocean. Deep-Sea Research II, 44: 51-67.

Bollmann, J. Morphology and biogeography of Gephyrocapsa coccoliths in Holocene sediments. Marine Micropaleontology, 29, 3/4: 319-350.

de Vargas, C., Zaninetti, L., Hilbrecht, H., and Pawlowski, J. Phylogeny and rates of molecular evolution of planktonic foraminifera: SSU rDNA sequences compared to the fossil record. J. Mol. Evol., 45: 285-294.

Hilbrecht, H. Morphologic variation and ecology in Neogloboquadrina pachyderma and N. dutertrei (planktic foraminifera) from core top sediments. Marine Micropaleontol., 31: 31-43.

Klaas, C. Microprotozooplankton distribution and their potential grazing impact in the Antarctic Circumpolar Current. Deep-Sea Research, 44: 375-393.

Knappertsbusch, M., Cortés, M. Y., and Thierstein, H. R. Morphologic variability of the coccolithophorid Calcidiscus leptoporus in the plankton, surface sediments and from the Early Pleistocene. Marine Micropaleontology, 30: 293-317.

Mai, H., von Salis, K., and Willems, H. Braarudosphaera pentagonica n.sp. aus dem Alttertiär. Micropaleontology, 43: 202-205.

Mai, H., von Salis, K., Willems, H., and Tomein, T. Fossil coccospheres from the K/T boundary section from Geulhemmerberg, The Netherland. Micropaleontology, 43, 3: 281-302.

Schmitz, B., Asaro, F., Molina, E., Monechi, S., Speijer, R. P., and von Salis, K. In search of the triggering mechanism for the latest Paleocene benthic extinction event: Iridium and 13C high-resolution profiles at Zumaya, Spain. Palaeogeography, Palaeoclimatology, Palaeoecology, 133: 49-68.

Spencer-Cervato, C. and Thierstein, H. R. First appearance of Globorotalia truncatulinoides: cladogenesis and immigration. Marine Micropaleontology, 30: 267-191.

Voigt, S. and Hilbrecht, H. Late Cretaceous carbon isotope stratigraphy in Europe: Correlation and relations with sea level and sediment stability. Palaeogeography, Palaeoclimatology, Palaeoecology, 134: 39-59.

Young, J. R., Bergen, J. A., Bown, P. R., Burnett, J. A., Fiorentino, A., Jordan, R. W., Kleijne, A., van Niel, B. E., Romein, A. J. T. and von Salis, K. Guidelines for coccolith and calcareous nannofossil terminology. Palaeontology, 40: 875-912.

1996

de Kaenel, E., Bergen, J. A., and von Salis Perch-Nielsen, K. Jurassic calcareous nannofossil biostratigraphy of western Europe. Compilation of recent studies and calibration of bioevents. Bull. Soc. gol. France, 16: 115-128.

Hilbrecht, H., Frieg, C., Tröger, K. A., Voigt, S., and Voigt, T. Shallow water facies during the Cenomanian-Turonian anoxic event: bio-events, isotopes, and sea level in southern Germany. Cretaceous Research, 17: 229-253.

Hilbrecht, H. and Thierstein, H.R. Benthic behavior of planktic foraminifera. Geology, 24: 200-202.

Schmitz, B., Asaro, F., Molina, E., Monechi, S., Speijer, R. P., and von Salis, K. High-resolution Iridium, ∂13C, ∂18O, foraminifera and nannofossil profiles across the latest Paleocene benthic extinction event at Zumaya, Spain. Palaeogeography Palaeoclimatology Palaeoecology, 133: 49-68.

1995

Bralower, T. J., Leckie, R. M., Sliter, W. V., and Thierstein, H. R. An integrated Cretaceous microfossil biostratigraphy. SEPM Special Publication, 54: 65-79.

Hilbrecht, H., Knappertsbusch, M., and Thierstein, H. R. Shielding of a scanning electron microscope against external electro-magnetic fields. Marine Micropaleontolgy, 24: 201-204.

Lazarus, D. B., Hilbrecht, H., Spencer-Cervato, C., and Thierstein, H. R. Sympatric speciation and phyletic change in Globorotalia truncatulinoides (planktic foraminifera). Paleobiology, 21: 28-51.

von Salis, K. and Speed, R. Correlation of Miocene strata on the submarine St. Croix Ridge and onland St. Croix, US Virgin Islands. Geo-Marine Letters, 15: 17-22.

Others

2006

Jaccard, S. J. The history of the biological pump in the subarctic Pacific: implications for past atmospheric CO₂ variability and abrupt climate change. Diss. ETH Zurich Nr. 16373.

2002

Schmidt, D. N. Size Variability in Planktic Foraminifers. Diss. ETH Zurich No. 14578: pp. 121.

2001

Haug, G. H., Tiedemann, R., and Schulz, M. What caused the onset of Major Northern Hemisphere Glaciation 3 Million years ago? Nova Acta Leopoldina, NF 88, 331: 21-29.

Henderiks, J. Coccolith Studies in the Canary Basin: Glacial-Interglacial Paleoceanography of the Eastern Boundary Current System. Diss. ETH Zurich Nr. 14086: pp. 169.

Thierstein, H. R. Climate Change and the Evolution of the Marine Plankton. Nova Acta Leopoldina NF 88, 331: 215-223.

Thierstein, H. R. Biological Resources. In: B. Sitter-Liver, G. Baechler, A. Berlinger-Staub: Supporting Life on Earth. Bern, CASS: pp. 15-25.

Thierstein, H. R. Development and Environment: The SPPE's North-South Initiative for Research Partnership. In: Hurni, H., Christ, U., Clottu Vogel, A.-Ch., Häberli, R., Lys, J.-A., Maselli, D. and Wiesmann, U. Enhancing Research Capacity in Developing and Transition Countries. Swiss Commission for Research Partnerships with Developing Countries, KFPE, Berne/Switzerland: pp. 173-174.

2000

Schmuker, B. Recent planktic foraminifers in the Caribbean Sea: Distribution, Ecology and taphonomy. Diss. ETH Zurich Nr. 13559: 166 pp.

1999

Brechner, S. and Thierstein, H. R. Classifying microfossils: Detecting symmetry versus neural networks. In: fundamental Structural Properties in Image and Pattern Analysis (FSPIPA"99). Schriftenreihe Oesterreich. Computergesellschaft, 13: 181-192.

1997

Cortés, M. Y. Coccolithophores at the Time-series Station ALOHA, Hawaii: Population dynamics and ecology. PhD Dissertation, University of Zurich.

Haidar, A. T. Calcareous phytoplankton dynamics at Bermuda (N. Atlantic). Diss. ETH Zurich Nr. 12084: 168pp.

1995

Bollmann, J. Biogeography and morphological variation of the Genus Gephyrocapsa (Prymnesiophyceae) today and during its late Pleistocene dominance interval. Diss. ETH Zurich Nr. 11005: 231pp.