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안정동위원소 분석을 이용한 이식된 지네지누아리의 생태학적 기능 평가

Isotopic Assessment of Ecological Function of a Transplanted Macroalgal Habitat (Grateloupia asiatica)

한국환경과학회지 2020년 29권 11호 p.1089 ~ 1098
전찬길, 김형근, 박현제,
소속 상세정보
전찬길 ( Chun Chan-Kil ) - Gangneung-Wonju National University Department of Marine Bioscience
김형근 ( Kim Hyung-Geun ) - Gangneung-Wonju National University Department of Marine Bioscience
박현제 ( Park Hyun-Je ) - Gangneung-Wonju National University Department of Marine Bioscience

Abstract


To assess the trophic function of an artificial macroalgal habitat, we compared the stable carbon and nitrogen isotope ratios of two amphipods (Caprella sp. and Ampithoe sp.) and their potential food sources in a transplanted macroalgal habitat (Grateloupia asiatica) with those in a natural habitat . There were no significant differences in the isotopic values of both consumers and their potential food sources between the transplanted and natural habitats. Such isotopic similarities between the two sites indicate a comparable resource consumer relationship. Additionally, our results showed similar isotopic niche areas and high dietary overlap (>65%) of the two amphipods between the transplanted and natural sites, suggesting that the transplanted habitat plays ecological roles similar to the natural habitat. Overall, isotopic assessment can provide information on the trophic function of diverse transplanted macroalgal habitats and improve post-monitoring efforts in the management of artificial ecosystems.

키워드

Isotopic assessment; Transplantation; Grateloupia asiatica; Stable isotopes; Amphipods; Isotopic niche areas

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