ALGAE

  • 제27권2호
  • /
  • Pages.115-123
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  • 2012
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  • 1226-2617(pISSN)
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  • 2093-0860(eISSN)
한국조류학회(藻類) (The Korean Society of Phycology)
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Susceptibility of Nereocystis luetkeana (Laminariales, Ochrophyta) and Eualaria fistulosa (Laminariales, Ochrophyta) spores to sedimentation

  • Deiman, Melissa (School of Fisheries and Ocean Sciences, University of Alaska Fairbanks) ;
  • Iken, Katrin (School of Fisheries and Ocean Sciences, University of Alaska Fairbanks) ;
  • Konar, Brenda (School of Fisheries and Ocean Sciences, University of Alaska Fairbanks)
  • 투고 : 2012.02.15
  • 심사 : 2012.05.02
  • 발행 : 2012.06.15
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초록

The establishment of algal spores plays an essential role in adult kelp distribution and abundance patterns. Sedimentation is a key variable regulating algal spore settlement and success, possibly controlling species-specific dominance $in$ $situ$. Laboratory experiments were used to determine spore attachment and survival rates of two Alaskan canopy-forming kelps, $Nereocystis$ $luetkeana$ (K. Mertens) Postels & Ruprecht and $Eualaria$ $fistulosa$ (Postels & Ruprecht) M. J. Wynne, to various types of sediment loading. Spore attachment for both species was significantly and similarly affected by three sediment treatments: suspended particles; settled sediment covering the substratum; and smothering of attached spores by settling sediment. Spore attachment decreased by approximately 90% at 420 mg sediment $L^{-1}$, the highest sediment load tested here, under all three treatments for both species. These results suggest that increases in sedimentation may constrain the success of the spore stages, but sediment does not seem to be a likely factor explaining species-specific distribution patterns. However, while sedimentation affected spores of both species similarly, timing of spore release in relation to times of maximum sediment load in the water might differ for different species, possibly explaining kelp species distribution patterns.

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참고문헌

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  2. Management of Local Stressors Can Improve the Resilience of Marine Canopy Algae to Global Stressors vol.10, pp.3, 2015, https://doi.org/10.1371/journal.pone.0120837
  3. Lack of recovery from disturbance in high-arctic boulder communities vol.36, pp.8, 2013, https://doi.org/10.1007/s00300-013-1340-6
  4. Effects of abiotic stressors on kelp early life-history stages vol.32, pp.3, 2017, https://doi.org/10.4490/algae.2017.32.8.7
  5. Influence of Static Habitat Attributes on Local and Regional Rocky Intertidal Community Structure vol.39, pp.6, 2016, https://doi.org/10.1007/s12237-016-0114-0
  6. Patterns of Saccharina latissima Recruitment vol.8, pp.12, 2013, https://doi.org/10.1371/journal.pone.0081092
  7. Turf wars: competition between foundation and turf-forming species on temperate and tropical reefs and its role in regime shifts vol.590, pp.1616-1599, 2018, https://doi.org/10.3354/meps12530
  8. Low recruitment, high tissue loss, and juvenile mortality limit recovery of kelp following large-scale defoliation vol.165, pp.10, 2018, https://doi.org/10.1007/s00227-018-3423-y
  9. in early life stages pp.13220829, 2018, https://doi.org/10.1111/pre.12347
  10. Wasted effort: recruitment and persistence of kelp on algal turf vol.600, pp.1616-1599, 2018, https://doi.org/10.3354/meps12677
  11. (phylum Ochrophyta) vol.55, pp.1, 2018, https://doi.org/10.1111/jpy.12814
  12. Supply and survival: glacial melt imposes limitations at the kelp microscopic life stage vol.60, pp.6, 2012, https://doi.org/10.1515/bot-2017-0039
  13. Supply and survival: glacial melt imposes limitations at the kelp microscopic life stage vol.60, pp.6, 2012, https://doi.org/10.1515/bot-2017-0039
  14. Morphological variation of a rapidly spreading native macroalga across a range of spatial scales and its tolerance to sedimentation vol.147, pp.None, 2012, https://doi.org/10.1016/j.marenvres.2019.02.017
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  17. Direct release of embryonic sporophytes from adult Nereocystis luetkeana (Laminariales, Ochrophyta) in a high latitude estuary vol.36, pp.2, 2021, https://doi.org/10.4490/algae.2021.36.5.10