울산 남부 연안에 분포하는 부유성 난 및 자치어의 종조성 및 변동

다국어 초록 (Multilingual Abstract)

Seasonal variation in species composition of fish eggs and larvae were collected in November of 2010 and February, May, and August of 2011. Samples were classified based on morphological characteristics. Fish eggs were identified as belonging to six taxa the most dominant species of fish eggs was Engraulis japonicus(43.3%) followed by Maurolicus japonicus(27.2%) and Sillago japonica(17.3%). These three species accounted for 87.8% of the total number of fish eggs collected. Larvae of 21 species in 13 families, and five orders were collected. The most dominant species of fish larvae was E. japonicus(75.5%), followed by Ammodytes personatus(3.8%) and Sebastes inermis(2.5%). The peak number of species and individuals occurred in August. The larvae of main species displayed a distinct spatial distribution and seasonal occurrence patterns. E. japonicus widely distributed throughout the study area. The seasonal occurrence and patterns of distribution of the larvae of main species seems were correlated with surface water temperature.

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