International Photosynthetic Congress

Paul Kugrens pkugrens at
Mon May 4 07:16:06 EST 1998

Dear Colleagues:
        And now for something completely different:

On behalf of the XI th International Photosynthesis Congress (IPC) and the
organizers of its satellite meeting, it is we invite the participation of
PSA members    to attend a satellite meeting entitled, "The evolution and
ecology of aquatic photoautotrophs" to be held 23 to 25 August 1998 on Lake
Balaton Hungary.  This satellite meeting will be limited to approximately
100 participants,  and will focus on the causes and rates of evolutionary
selection of photosynthetic organisms in aquatic environments since the
origin of the Earth,  and the mechanisms and strategies that serve to
buffer organisms from environmental variations.

The satellite  meeting will be held in a manner similar to a Gordon
Conference.  Each day, up to four invited speakers will give a presentation
consonant with a theme for that day.  Active discussion and contibuted
papers are encouraged.  The objectives are three-fold: (1) to discuss the
extinctions,  radiations and speciation of aquatic photoautotophs as
inferred from the geological record and intrepretation of genetic
variability,  (2)  to consider the mechanisms of selection and the tempo of
evolution of this diverse group of organisms in the world's oceans and
lakes,  especially in relation to photosynthetic processes;  and (3)  to
understand the basic elements of physiological acclimation of the
photosynthetic apparatus,  and the extent to which physiological plasticity
can provide a measure of fitness in the face of gradual and abrupt climatic
change.  The invited speakers represent a broad spectrum of research areas,
including geology,  evolutionary biology,  ecology,  biochemistry,
biophysics and molecular biology.  It is our hope that the workshop will
provide a forum for interdisciplinary discussion,  and stimulate
interdisciplinary collaboration.

The meeting will be held in the Balaton Limnological Research Institute of
the Hungarian Academy of Sciences, Tihany H-8237, Hungary. Tihany can
easily be reached from Budapest in about 3 hours by train. For participants
of the Photosynthesis Congress a bus transfer will be organized. If you
wish to pre-register at the Congress and/or obtain information, please see
our home page:

or send us a blank E-mail: type register in the subject field.

For further information please consult the following home pages:

The meeting will be patroned by Prof. Janos Nemcsok, State Secretary
coordinating the developmental and research projects related to the
Lake Balaton.

Sincerely yours,

Paul Falkowski,
Christian Wilhelm
Gyozo Garab


(A satellite meeting following the XIth International Photosynthesis Congress)
To be held at Lake Balaton

23.8:  The paleological and molecular biological records of the evolution
and extinction of aquatic photoautotrophs:  Session Chair:  Sin Jae Yoo  (AM)

Andrew Knoll- Harvard University:  Early evolution of phytoplankton - what
the rocks tell us.
Jere Lipps, UC, Berkeley -  Evolution of phytoplankton in the Phanerozoic
Paul Falkowski, Rutgers University -  Evolution of the nitrogen cycle in
the oceans.
Linda Medlin (Bremerhaven) -  Molecular evolution of heterokonts:  Life
after death at Permian/Triassic boundary.

PM:  Contributed Papers - Session Chair;  Linda Medlin

24.8: Global aspects of biogeochemical cycles (AM): Session Chair:
Christian Wilhem

Raymond Najjar,  Penn State -  Phytoplankton and the global cycles of
oxygen and carbon.
Marlon Lewis - Feedbacks between optical properties,mixed layer depth, and
the carbon cycle in aquatic ecosystems.
John Raven - Dundee - Carbon limitation in aquatic ecosystems: The evidence
and its interpretation.

PM:  Contributed Papers:  Session Chair: Tony Larkum

Evening mini session on Lake Balaton (two back-to-back 20 min lectures that
prepare the group for a tour of the lake the following day in the afternoon).

Judit Padisak/Lajos Voros

25.8: In-situ acclimation -AM - Session Chair:  Paul Falkowski

Richard Geider, Marine Biological Association,  Plymouth UK -  Modeling the
control and feedback of cell processes.
Christian Wilhelm, Leipzig, Germany - Photoacclimation:  Its effect on
physiological fitness in aquatic ecosystems.
Tony Larkum- Sidney,  Australia - Photoinhibition: a laboratory curiosity
or a real-world phenomenon?

PM:  Tour of Lake Balaton by boat
(alternative - Tour or region by bus)

Contributed papers:  Session Chair:  Richard Geider

25. 8: Photophysiological Fitness: Session Chair - John Raven

Ondrej Prasil - Trebon,  Czech Republic - The evolution of PSII reaction
centers: Genetic variability and its influence on photosynthetic electron
Zoltan Gombos - Hungary - Lipids and temperature: A molecular biological
view of adaptation.
Mark Pagani,  Pennsylvania State University - Alkenone desaturation and
stable isotope composition:  The sedimentary record and its implications in
Sin Jae Yoo - Korea - The ecological scene and evolutionary drama:
Phytoplankton as models for ecological concepts.

List of Invited speakers:

Paul Falkowski, Institute of Marine and Coastal Sciences, Cook College
Campus, Rutgers University, P.O. Box 231, New Brunswick, NJ 08903-0231

Richard Geider, Plymouth Marine Laboratory, Citadel Hill, Plymouth PL1 2PB,
United Kingdom

Zoltan Gombos, Institute of Plant Biology, Hungarian Academy of Sciences,
Biological Research Center, P.O.B. 521/Temesvari krt. 62, Szeged H-6701,

Andrew Knoll, Harvard University, Cambridge, MA 02138

Anthony Larkum, School of Biological Sciences, University of Sydney, Sydney
NSW 2006, Australia

Marlon Lewis, Department of Oceanography, Dalhousie University, Halifax NS
B3H 4J1, Canada

Jere Lipps, Department of Ecology and Evolution, University of California,
Berkeley, CA 94720

Linda Medlin, Alfred-Wegener Institute for Polar & Marine Research,
Postfach 12 01 61, D-27515 Bremerhaven, Germany

Raymond Najjar,  Penn State University,  College  Park,  PA 16902

Mark Pagani,  Dept. of Geology,  Pennsylvania State University,  College
Park PA 16902

Ondrej Prasil, Institute of Microbiology, MBU AVCR, 379 81 Trebon, Czech

John Raven, Department of Biological Sciences, University of Dundee,
Dundee, Scotland DD1 4MN, United Kingdom

Christian Wilhelm, Inst. fuer Botanik, Universitaet Leipzig, Johannisallee
21, Lweipzig 04031, Germany

Sin Jae Yoo, Kordi, Ansan P.O. 29, Ansan 425-600, Korea

Paul Falkowski
Environmental Biophysics and Molecular Biology Research Group
Oceanographic and Atmospheric Sciences Division
Brookhaven National Laboratory
Upton, NY 11973
Tel: (516) 344-2961
Fax: (516) 344-3246
e-mail: falkowsk at

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