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Subject:
ASLO
Session Announcement June 2005
Dear Colleague,
The next ASLO summer meeting will be held in Santiago de Compostela
(Spain) from 19 to 25 June 2005. We would like to invite you to
contribute a paper to the following session: Microbial Plankton
Ecology and Biogeochemical Fluxes in the Subtropical Gyres (SS38)
Session outline: The oligotrophic, subtropical regions of the open
ocean support extensive ecosystems which, due to their vast size,
are of global biogeochemical importance. Once termed 'marine deserts',
these regions are now known to account for a significant fraction
of global marine primary production and carbon export into the deep
ocean. Over the past 15 years, on-going programs that look at the
temporal and spatial variability of upper ocean biogeochemistry
and ecology (e.g. HOT, BATS, AMT) have greatly advanced our understanding
on the composition, structure and functioning of the microbial community
in the subtropical gyres. Far from being steady-state systems, marine
ecosystems in subtropical oligotrophic environments display a considerable
amount of variability in biological rates over a wide range of temporal
and spatial scales. In the context of climate change, there is a
pressing need to understand how these vast marine ecosystems will
respond to long-term changes in the frequency and intensity of physical
perturbations. We invite contributions reporting on the results
of observational, experimental and modelling studies on the microbial
ecology and biogeochemistry of the subtropical gyres. Addressed
topics will include, among others, plankton diversity, trophic interactions,
physical-biological coupling, nutrient control of biological rates,
community metabolism, biological coupling of elemental fluxes, and
the role of atmospheric inputs and climate-induced variability in
modulating the biogeochemical role of the microbial pelagic assemblages.
The ultimate aim will be to integrate different perspectives and
approaches into a coherent view of the structure and functioning
of plankton in the subtropical gyres, as a previous step to address
the response of these ecosystems to on-going and predicted processes
of global change. Organizers: Emilio Marañón, Universidad de Vigo,
(em@uvigo.es)
Ricardo Letelier, Oregon State University, (letelier@coas.oregonstate.edu)
Deadline for abstract submission: 1st February 2005
Conference web site: http://aslo.org/meetings/santiago2005/
Please distribute this information among potentially interested
colleagues. We will be looking forward to seeing you in Santiago!
Emilio Marañón and Ricardo Letelier **************************************
Emilio Marañón
Departamento de Ecología y Biología
Animal Facultad de Ciencias
Universidad de Vigo
36200 Vigo, Spain
Tel: +34 986 812629
Fax: +34 986 812556
E-mail: em@uvigo.es
http://webs.uvigo.es/em/
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