International Conference “Problems of Hydroecology at the Turn of the Century”

International Conference “Problems of Hydroecology at the Turn of the Century” Russian Journal of Marine Biology, Vol. 27, No. 3, 2001, p. 196. Original Russian Text Copyright © 2001 by Biologiya Morya, Silina. CHRONICLE International Conference “Problems of Hydroecology at the Turn of the Century” A. V. Silina Institute of Marine Biology, Far East Division of Russian Academy of Science From October 23 to October 28, 2000, in Saint functions, and parameters of hydrobionts. In one of the Petersburg, the international conference “Problems of presentations on this subject, the attention of the audi- Hydroecology at the Turn of the Century” was held, ence was drawn to the change in water properties of tem- dedicated to the 95th anniversary of the birth of the cor- perature thresholds at 4 and 28 C and their effect on the responding member of the Academy of Sciences of physiology and behavior of aquatic organisms. In another USSR, professor Georgii Georgievich Vinberg. It was study, the nonspecific, practically identical reaction of organized by the Zoological Institute of the Russian species composing the zooplankton community was Academy of Science and chaired by Doctor of Biolog- revealed upon deflection from the optimum of such envi- ical Sciences, Victor Valentinovich Bul’on. An acade- ronmental parameters as temperature, salinity, and heavy mician of the Russian Academy of Sciences, Alexander metal content in water. Some studies directly or indirectly Fedorovich Alimov, opened the conference. pointed to global warming over the past century, entailing changes in the structure and functioning of ecosystems. Two hundred and forty scientists (197 abstracts) from Russia (from Kaliningrad to Vladivostok and Special attention was paid to the consequences of Yuzhno-Sakhalinsk), Armenia, Belarus, Georgia, anthropogenic effects on water ecosystems; these were Israel, Lithuania, Poland, United States, Ukraine, Fin- presented as generalizing reports and as results of stud- land, and Estonia took part in the conference. There ies of changes occurring in recent years, sometimes were 97 oral reports and posters presented; most pre- almost over an entire century, in certain freshwater and sentations were done by coworkers of the Zoological marine biocenoses. Great interest was aroused by Institute of the Russian Academy of Sciences G.I. Galazii’s report with co-authors (Vinogradov, the (St. Petersburg), the Papanin Institute of Biology of Institute of Geochemistry of the Siberian Division of Inland Waters of the Russian Academy of Sciences the Russian Academy of Science) concerning the sig- (Borok City), the Belarus State University, and the nificant technogenic effect of the pulp mill at Lake Institute of Zoology of the National Academy of Sci- Baikal, which threatens the preservation of the unique ences of Belarus (Minsk). The working language of the ecosystem of the lake and the safety of the residential conference was Russian. Most of the research was sup- population of the region. However, data were presented ported by grants of the Russian Foundation for Basic to show that the situation has improved in some Research. biotopes over the past 20 years, e.g. in Naroch Lake (Belarus) thanks to a decrease in the anthropogenic A wide spectrum of the problems on hydroecology load and introduction of suspension feeders. was discussed: (1) plankton and flux of organic matter in plankton communities; (2) ecological physiology of The conference was crowned by a long discussion. water organisms; (3) assessment of the secondary pro- All participants came to the conclusion that the confer- duction in water basins; (4) population and balance ence was a success: the reports were interesting, various, approaches to the study of the functioning of water eco- sufficiently grounded, and at the modern level. If the systems; (5) the effect of anthropogenic factors on the gathered hydrobiologists answered the questions “what structure of trophic chains and the functioning of water and where” in their works at the turn of the past century, ecosystems; (6) modeling of the processes that run in at the present conference “how and why” problems were ecosystems. solved. At the same time, an insufficient number of gen- eralizing reports devoted to modern problems of hydro- Most attention was paid to the results of studies of ecology was recorded. The opinion was stated that the the trophic structures and production processes in pure system of grants generates narrow subjects and does not and polluted water basins, as the majority of partici- afford time for the generalization of results on the func- pants were disciples of Vinberg, who founded produc- tioning and balance of biocenoses as a whole. tion biology. Appreciating Vinberg as the head of the “temperature school”, some of the studies concerned Organizers of the conference did their best to create the analysis of the effect of environmental factors, tem- successful work sessions in an easygoing atmosphere. perature, quantity of nutrition and trace substances in The conference was held with the financial support of water, living area, etc., on adaptation processes, vital the RFBR. 1063-0740/01/2703-0196$25.00 © 2001 ŒAIŠ ÒNauka / Interperiodica” Russian Journal of Marine Biology Springer Journals

International Conference “Problems of Hydroecology at the Turn of the Century”

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Kluwer Academic Publishers-Plenum Publishers
Copyright © 2001 by MAIK “Nauka/Interperiodica”
Life Sciences; Freshwater & Marine Ecology
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