ISSN : 2287-8327
Distribution pattern of Pectinatella magnifica (Leidy, 1851), an invasive species, in the Geum River and the Nakdong River, South Korea
최종윤 (부산대학교)
변명섭 (국립환경연구원)
홍동균 (부산대학교)
김정수 (부산대학교)
김지윤 (부산대학교)
주기재 (부산대학교)
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Abstract
We conducted a distributional survey of Pectinatella magnifica, an invasive species, in the Geum River and the NakdongRiver from July 12 to July 25, 2014. The spacing between the study sites was 10 km along the main channels for the GeumRiver (n = 12, 120 km) and the Nakdong River (n = 38, 380 km) from the estuarine barrage to upper part of main channel. Pectinatella magnifica was detected along the riparian zone (within 100 m) at each of the study sites. Presence rateof P. magnifica in Geum River and Nakdong River was 25% and 32.6%, respectively. The colony number of P. magnificaat Geum River (9.5 ± 3.1 colony/m, n = 3) was over 94 fold higher than that in the Nakdong River (0.1 ± 0.1 colony/m, n= 16). The Total length distribution of P. magnifica had a truncated bell shape at each rivers (mean length: 14.0 ± 1.2 cmfor Geum River (n = 32), and 16.8 ± 1.4 cm for Nakdong River (n = 52)). These findings could provide basic informationregarding the distribution pattern of P. magnifica in a new invasion area.
- keywords
- basic information, distribution, invasive species, Pectinatella magnifica
참고문헌
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