지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
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Phlorotannins are common metabolites produced in kelps that can have deterrent functions against grazers. The factors dictating seasonal patterns of phlorotannin content in northeastern Pacific kelps are not well understood. This study assessed density and grazing of the gastropod Lacuna vincta on the annual canopy-forming kelp Nereocystis luetkeana and the perennial understory species Agarum clathratum, Saccharina latissima and S. groenlandica in Kachemak Bay, Alaska. In addition, we assessed seasonal patterns of environmental variables as possible drivers of phlorotannin concentrations. Phlorotannins occurred in all species, with overall lowest levels in N. luetkeana, and with different seasonal patterns among the four species. Lacuna vincta was most dense on N. luetkeana thalli in the summer and had highest grazing rates on this low-phlorotannin species. However, correlations between L. vincta density and phlorotannin content of each kelp species were not significant. Except for N. luetkeana, there were no correlations between phlorotannin levels and environmental variables. We suggest that kelp life history traits may be more important for phlorotannin patterns in these kelp species than grazers or environmental drivers.
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참고문헌 (81)
참고문헌 신청
Amsler, C. D. / 2001 / Induced defenses in macroalgae: the herbivore makes a difference / J. Phycol 37:353~356
Amsler, C. D. / 2008 / Algal chemical ecology / Springer-Verlag :331
Amsler, C. D. / 2006 / Defensive and sensory chemical ecology of brown algae / Adv. Bot. Res 43:1~91
Åström, M. / 1994 / Plant defence and stochastic risk of herbivory / Evol. Ecol 8:288~298
Bégin, C. / 2004 / Macroalgal canopies: distribution and diversity of associated invertebrates and effects on the recruitment and growth of mussels / Mar. Ecol. Prog. Ser 271:121~132
Amsler, C. D. / 2008 / Algal chemical ecology / Springer-Verlag :331
Amsler, C. D. / 2006 / Defensive and sensory chemical ecology of brown algae / Adv. Bot. Res 43:1~91
Åström, M. / 1994 / Plant defence and stochastic risk of herbivory / Evol. Ecol 8:288~298
Bégin, C. / 2004 / Macroalgal canopies: distribution and diversity of associated invertebrates and effects on the recruitment and growth of mussels / Mar. Ecol. Prog. Ser 271:121~132
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