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RISS 인기검색어
- 검색키워드
- 저자 : Alexander Yu. Zvyagintsev (검색결과 4 건)
- 무료
- 기관 내 무료
- 유료
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Macrofouling Communities in the Cooling System of the Vladivostok Heat and Power Plant
Alexander V. Moshchenko,Alexander Yu. Zvyagintsev 한국해양과학기술원 2010 Ocean science journal Vol.45 No.1
The composition, structure, and distribution of flora and fauna on hydraulic facilities in the cooling system of the Vladivostok combined heat and power plant-2 were studied in summer and autumn of 2001. Cluster analysis was applied to differentiate Balanus rostratus, Mytilus trossulus, Jassa marmorata,Crassostrea gigas + Balanus rostratus, Modiolus modiolus + Pachycheles stevensii, Hydroides ezoensis, and Amphibalanus improvisus communities. The groups of fouling organisms found on the studied objects were shown to be assigned both to “physically controlled” and “biologically balanced” benthic communities. This study stresses the high similarity between the fouling communities of anthropogenic substrata and natural intertidal and subtidal benthic communities from adjacent areas of Peter the Great Bay.
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Alexander V. Moshchenko,Alexander Yu. Zvyagintsev 한국해양과학기술원 2004 Ocean and Polar Research Vol.26 No.4
The composition, structure and some of the features of spatial distribution of fouling communities in the cooling system tunnels of Heat and Power Station, Vladivostok City were determined. Three groups of animals, possessing features expressive of topological differentiation as well as categorical differences based on dominant and subdominant species, were clearly distinguished in the fouling community of the water intake tunnel. These are Jassa marmorata on the tunnel vault, Balanus rostratus on the walls, and Mytilus trossulus on the bottom. The group from the tunnel vault should be clearly related to ?physically controlled communities, whereas the groups from the walls and bottom, being also physically controlled, show many of the features of ?biologically balanced communities. Thermal treatment of tunnels, performed in summertime, is grossly inefficient, since mytilids continue to settle in September-November as well. In order to prevent intensive settlement of Mytilus trossulus larvae it is recommended that the water intake tunnels integral to the cooling system be placed deeper than 15 m.
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Moshchenko Alexander V.,Zvyagintsev Alexander Yu. Korea Institute of Ocean ScienceTechnology 2001 Ocean and Polar Research Vol.23 No.4
Distribution features of foulers attached on 28 ships of 6 main shipping routes (SR) of the Far East Sea Basin were analyzed using various statistical methods. Collections obtained during 1976-1990 in the expeditions by the Institute of Marine Biology were used for the analyses. Samples were taken from the ships during anchorage by SCUBA diving and from dry-docks of Vladivostok ship-repairing yard. In all cases, the distribution patterns of most animals and algal species showed clear contagious patterns. Total biomass of fouling organisms and biomass of attached animals frequently increased along the horizontal direction of ship hulls, from the stem to the sternpost. Animal and algal species were usually located at different sites of the hulls. According to the increasing floating speed, there was, a clear tendency of the displacement in main fouling biomass from the stem to the stem. Any generalizations and deductions concerning the distribution patterns of the foulers from the same SR ships are not always substantiated, but one may see some similarities of the fouler distributions in many cases. Micro-scale turbulence generated by water flow around a ship hull for the distribution of fouling organisms is discussed.
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Moshchenko Alexander V.,Zvyagintsev Alexander Yu. Korea Institute of Ocean ScienceTechnology 2004 Ocean and Polar Research Vol.26 No.4
The composition, structure and some of the features of spatial distribution of fouling communities in the cooling system tunnels of Heat and Power Station Vladivostok City were determined. Three groups of animals, possessing features expressive of topological differentiation as well as categorical differences based on dominant and subdominant species, were clearly distinguished in the fouling community of the water intake tunnel. These are Jassa marmorata on the tunnel vault, Balanus rostratus on the walls, and Mytilus trossulus on the bottom. The group from the tunnel vault should be clearly related to 'physically controlled' communities, whereas the groups from the walls and bottom, being also physically controlled, show many of the features of 'biologically balanced' communities. Thermal treatment of tunnels, performed in summertime, is grossly inefficient, since mytilids continue to settle in September-November as well. In order to prevent intensive settlement of Mytilus trossulus larvae it is recommended that the water intake tunnels integral to the cooling system be placed deeper than 15m.
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