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The project primary goal is to relate among-year variation of tundra wader numbers and nesting success to breeding conditions on southeastern Taimyr.
Biological materials obtained in the central Arctic Ocean at the FSU “North Pole stations” in 1975-1981 have shown that the multi-year ice and ice/water interface is of rich and diverse biotop inhabited by the large number of diatoms and invertebrate animals. Two main matter fluxes in the sea ice ecosystem may be distinguished: (1) the inflow of biogenous elements from water into the ice interior where they are assimilated by the microflora during photosynthesis (summer stage), and (2) the outflow – from ice to water - of the organic matter accumulated in the summer due to photosynthesis (winter stage). Accumulation of organic matter within the sea ice interior during the process of photosynthesis may be considered as an energy depot for organisms of the whole trophic network of the arctic sea ice ecosystem. Recent data from the SHEBA Ice Camp drifted within the Beaufort Gyre 1997-1998 have shown that: (1) sea ice diatoms are very scarce by species and numbers; (2) fresh water green algae are dominated by numbers and distributed within the whole sea ice thickness; (3) invertebrate animals within the sea ice interior are not indicated; (4) invertebrate animals from the ice/water interface are scarce by species and numbers; (5) concentrations of chlorophyll and nutrients in the sea ice are significantly lower of the average concentrations measured before in this region for the same period of time. Remarkable accumulation of the organic mater within the sea ice interior were not indicated.
Ecology of bacterioplankton and bacterioneuston in the polar seas, distribution, number, in situ heterotrophic activity, involvement in natural purification processes from oil pollution.
Oil pollution and oil biodegradation in the inner part of Kandalaksha Bay and adjacent areas.
The 'NAR-2000' expedition was performed during August-September 2000. The overall programme of work includes: - monitoring of pollution in air, waters and bottom sediments of freshwater lakes, soils and terrestrial vegetation - soil/botanical studies - visual and remote sensing (aerial photos and video surveys) studies of damage to soil and vegetation cover. Samples of river water and bottom sediments from 25 freshwater bodies and samples from 16 terrestrial sites in the area of the Varandey and Toravey oil fields were taken for chemical analyses.
Stationary systematic observations of pollution in atmospheric air and precipitation. During 2000, observations of contaminant levels in atmospheric air in the cities of Murmansk, Nickel, Monchegorsk, Salekhard and Norilsk were conducted. Monitoring of sulphur and nitrogen compounds in air and precipitation was continued at the above locations and also at Yaniskosky (Kola peninsula) and Pinega (Arkhangelsk region) under the EMEP programme framework. Observations of CO2 were continued at the Teriberk station. Observations of the chemical content of atmospheric precipitation were carried out at 5 stations in the Arctic network of stationary observations: in the Krasnoshelye settlement area (Kola peninsula), Naryan-Mar (Pechora river area), Dikson Island, Turuhansk (Yenisey river area), and Kusyur settlement area (Lena river). Under a joint Russian-Canadian-AMAP project, monitoring of POPs and (from 2001) mercury in air at the Amderma site is conducted.
During 2000, observations under the framework of control of radioactive contamination were continued at 34 sites of the State System of Radiation Monitoring in the Russian Arctic. At all stations, daily monitoring of exposure dose strength of gamma emissions, and daily sampling of radioactive fallout from the atmosphere to determine total beta-activity are conducted. At sites in Arkhangelsk, Naryan-Mar, Salekhard, Murmansk, Dikson Island, Zhelaniya Cape, Kheis Island and Kandalaksha, sampling of atmospheric aerosols and precipitation was performed for specific radioisotopic analysis, including determination of tritium. Samples of surface water for determination of levels of 90-Sr and tritium were collected at radioactive contamination control stations in the mouth regions of the largest rivers of the Russian Arctic (Severnaya Dvina, Pechora, Mezen, Ob, Yenisey, Khatanga, Indigirka). 26 samples were collected for this purposes in 2000. Samples for determination of 90-Sr in seawater were collected at relevant sites in the Barents Sea and White Sea.
The 'Karex - Pechora' expedition marine investigations by the research vessel 'Ivan Petrov' in the Kara and Pechora seas in August 2000, and by the research vessel 'Hydrolog' during September-October 2000. During August 2000 samples of marine water, suspended and bottom sediments at 30 oceanographic stations were analyses for contaminants. At 8 stations, hydrobiological investigations included sampling of benthic organisms, plankton and fish, for studies of bioaccumulation and transformation of contaminants.
The 'Lena-2000' expedition was performed in the area of the mouth of the Lena river and the shelf of the eastern part of the Laptev Sea during August 2000. Samples of river and marine water, suspended and bottom sediments were taken at 30 hydrological stations to study the mechanisms of contaminant transport by river water.
The expedition by vessel 'Nikolai Kolomeets'included sampling of marine water, bottom sediments, benthos and plankton for studies of accumulation and transformation of OCs and estimation of related toxic effects on aqueous biocenoses. The marine studies took place during the period July-October 2000 in areas of the Pechora, Kara, Laptev, East-Siberian and Chukchi Seas.
The expedition 'Arctic-2000' included climatic, hydrometeorological and hydrochemical studies in the eastern part of the Central Arctic Basin, during the period July-August 2000.
Brief: Assessment of the significance of aquatic food chains as a pathways of exposure of indigenous peoples to PTS, assessment of the relative importance of local and distant sources, and the role of atmospheric and riverine transport of PTS in Northern Russia. Project rationale and objectives: (1) To assess levels of Persistent Toxic Substances (PTS) in the environment in selected areas of the Russian North, their biomagnification in aquatic and terrestrial food chains, and contamination of traditional (country) foods that are important components of the diet of indigenous peoples. (2) To assess exposure of indigenous peoples in the Russian North to PTS, and the human health impacts of pollution from local and remote sources, as a basis for actions to reduce the risks associated with these exposures. (3) To inform indigenous peoples about contamination by PTS of their environment and traditional food sources, and empower them to take appropriate remedial actions to reduce health risks. (4) To enhance the position of the Russian Federation in international negotiations to reduce the use of PTS, and to empower the Russian Association of Indigenous Peoples of the North (RAIPON) to participate actively and fully in these negotiations. Project activities to achieve outcomes: (1) Inventory of local pollution sources in the vicinities of selected indigenous communities. (2) Survey of levels and fluxes of PTS in riverine and coastal marine environment important for indigenous peoples living in these environments and using them for their subsistence; and assessment of fluxes of PTS to these environments via selected rivers and the atmosphere. (3) Dietary surveys of selected indigenous communities. (4) Study of biomagnification, based on measurements of selected PTS in representative species in food chains important for the traditional diet of indigenous populations. (5) Survey and comparative assessment of pollution levels of the indigenous and general population in selected areas. (6) Dissemination of results to all relevant stakeholders.
Phase I: Evaluation of the Current Status of the Problem with Respect to Environmental Impact and Development of Proposals for Priority Remedial Actions: The main goal of phase 1 of the multilateral PCB project is the evaluation of the current status of the PCB problem in Russia. The objectives of sub-activities under phase 1 of the project included: - Assessment of the overall production of PCB in the former USSR and Russian Federation, and the calculation of a mass-balance of the amount produced. - Estimation of the total volume of PCB still in use, in equipment and in wastes located within the territories of Russian Federation. - Preparation of an inventory of environmental releases from industrial uses and waste. - Development of proposals for priority remedial actions. Project results are presented in relevant publications (see below).