A Benthic Polychaete Assemblage off the Korean South Coast (Gwangyang Bay and Yeosu Sound)
2
조회
0
다운로드
1
인용
0
참고문헌
키워드
초록
We investigated the benthic polychaete assemblage in Gwangyang Bay and Yeosu Sound in February 1997. The sediment was an almost entirely muddy facies. The benthic macrofauna comprised 295 species occurring at a mean density of 875 indiv./㎡. Polychaetes were the major faunal component; there were 94 species at mean density 765 indiv./㎡. The highest abundance and species richness occurred in the Myodo south and north channels, in the mouth of Gwangyang Bay, and in the Noryang channel mouth. The most abundant polychaete was Tharyx sp. (47.9%), followed in rank order by Heteromastus filiformis (9.6%), Melinna cristata (9.3%), and Lumbrineris longifolia (7.3%). Cluster analysis divided the study area into four station groups based on station similarities in benthic polychaete assemblages: the Glycinde–Prionospio cluster in the western inner bay, the H. filiformis cluster in the middle inner bay, the Melinna–Lumbrineris cluster in the Myodo south-north channel, and the Tharyx cluster in the eastern main channel region. The sediment type of Gwangyang Bay has changed gradually from sandy to muddy. Dominant species have also changed from Chone teres and Lagis bocki to Tharyx sp., which is a potential organic pollution indicator.
Abstract
We investigated the benthic polychaete assemblage in Gwangyang Bay and Yeosu Sound in February 1997. The sediment was an almost entirely muddy facies. The benthic macrofauna comprised 295 species occurring at a mean density of 875 indiv./㎡. Polychaetes were the major faunal component; there were 94 species at mean density 765 indiv./㎡. The highest abundance and species richness occurred in the Myodo south and north channels, in the mouth of Gwangyang Bay, and in the Noryang channel mouth. The most abundant polychaete was Tharyx sp. (47.9%), followed in rank order by Heteromastus filiformis (9.6%), Melinna cristata (9.3%), and Lumbrineris longifolia (7.3%). Cluster analysis divided the study area into four station groups based on station similarities in benthic polychaete assemblages: the Glycinde–Prionospio cluster in the western inner bay, the H. filiformis cluster in the middle inner bay, the Melinna–Lumbrineris cluster in the Myodo south-north channel, and the Tharyx cluster in the eastern main channel region. The sediment type of Gwangyang Bay has changed gradually from sandy to muddy. Dominant species have also changed from Chone teres and Lagis bocki to Tharyx sp., which is a potential organic pollution indicator.
참고문헌 (18)
- Arvanitidis C, "Seascape biodiversity patterns along the Medi-terranean and the Black Sea: lessons from the biogeography of benthic polychaetes", Mar Ecol Prog Ser, 244, pp.139~152 (2002)
- Choi JW, "A study on the polychaete community in Kwangyang Bay, southern coast of Korea", J Oceanol Soc Korea, 19, pp.153~162 (1984)
- Folk RL, "Brazos River bay: a study in the significance of grain size parameters", J Sediment Petrol, 27, pp.3~26 (1957)
- Gambi MC, "Distribution of soft-bottom Polychaetes in two coastal areas of the Tyrrhenian sea(Italy), In: structural analysis", Est Coast Shelf Sci, 23, pp.847~862 (1986)
- Jung RH, "Spatial and seasonal patterns of polychaete community during the reclama-tion and dredging activities for the construction of the Pohang Steel Mill Company in Kwangyang Bay, Korea", J Korean Fish Soc, 30, pp.730~743 (1997)
- Lim HS, "Ecology of the macro-zoobenthos in Chinhae Bay, Korea; 2. Distribution pattern of the major dominant species", J Korean Fish Soc, 30, pp.161~174 (1997)
- Lim HS, "Distribution pattern of the macrozoobenthos at Yoja Bay in summer", Ocean Res, 13, pp.31~46 (1991)
- Ma CW, "Macrobenthic fauna of Deukryang Bay, Korea", J Korean Fish Soc, 28, pp.503~516 (1995)
- Margalef R, "Information theory in ecology", Gen Syst, 3, pp.157~175 (1958)
- Olsgard F, "Surrogates in benthic investigations. Which taxonomic units?", J Aquatic Ecosystems Stress Recovery, 7, pp.25~42 (2000)
- Pielou EC, "The interpretation of ecological data, a primmer on classification and ordination", pp.263~263 (1984), Wiley J Sons
- Shannon CE, "The mathematical theory of communication", pp.125~125 (1963), University of Illinois Press
- Shin HC, "Temporal and spatial variation of polychaete community in Kwangyang Bay, Southern coast of Korea", J Oceanol Soc Korea, 25, pp.205~216 (1990)
- Shin HC, "Polychaetous community in the coastal zone off Samchumpo, southern sea of Korea", J Oceanol Soc Korea, 28, pp.305~312 (1993)
- Shin HC, "Benthic polychaetous community in Kamak Bay, southern coast of Korea", J Oceanol Soc Korea, 30, pp.250~261 (1995)
- Simpson EH, "Measurement of diversity", Am Nat, 163, pp.688~688 (1949)
- Snelgrove PVR, "The biodiversity of macrofaunal organisms in marine sediments", Biodiv Conserv, 7, pp.1123~1132 (1998)
- Sparks-McConkey PJ, "Effects on the ecological integrity of a soft-bottom habitat from a trawling disturbance", Hydrobiologia, 456, pp.73~85 (2001)