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Benthic marine algae on Japanese tsunami marine debris – a morphological documentation of the species. Part 2 – The brown algae Public Deposited

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  • To determine the invasion threat to the NE Pacific of marine algae arriving on Japanese debris from the 2011 Great Tōhoku Earthquake and Tsunami, my colleagues and I identified the algal species on 42 of the most heavily fouled debris items that landed on the shores of Oregon and Washington between June 2012 and July 2016. Using both morphological and molecular methods, we identified 84 marine algal and cyanobacterial species and species complexes on debris from these items and sequenced 51. Since many of these species are not well-described in the literature, a morphological account of the actual specimens has been prepared to assist in the detection of future invasions by these species in the NE Pacific. The series is divided into 3 parts: Part 1 – The tsunami event, the project overview, and the red algae, Part 2 – The brown algae, and Part 3 – The green algae and cyanobacteria. In Part 2 that follows, we provide pictures and descriptions of 30 brown algal species and 3 unknowns that we have found on debris. We also include descriptions of many of the morphological and/or genetic variants that we discovered in the following 7 species: Ectocarpus arctus, Feldmannia irregularis, Feldmannia mitchelliae, Kucuckia spinosa, Petalonia fascia, Punctaria latifolia, and Scytosiphon lomentaria. Some of these variants should be synonymized, but others appear to require re-establishment or description as new species. For additional information on all of the debris algal species, please see our related papers on the project cited on p. 2 of the text.
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  • Hansen, G.I., Hanyuda, T. & Kawai, H. (2017). Benthic marine algae on Japanese tsunami marine debris –a morphological documentation of the species. Part 2. The brown algae. OSU Scholars Archive, Corvallis, pp. 1-61. http://dx.doi.org/10.5399/osu/1111
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  • description.provenance : Made available in DSpace on 2017-10-13T18:08:16Z (GMT). No. of bitstreams: 2license_rdf: 1379 bytes, checksum: da3654ba11642cda39be2b66af335aae (MD5)Morphological Documentation of the JTMD Algae - Part 2. the BROWN ALGAE.pdf: 17722500 bytes, checksum: 5c91cf3a149b81f73ea0209f6a9dbc30 (MD5)
  • description.provenance : Submitted by Steven Van Tuyl (steve.vantuyl@oregonstate.edu) on 2017-10-13T18:07:48ZNo. of bitstreams: 2license_rdf: 1379 bytes, checksum: da3654ba11642cda39be2b66af335aae (MD5)Morphological Documentation of the JTMD Algae - Part 2. the BROWN ALGAE.pdf: 17722500 bytes, checksum: 5c91cf3a149b81f73ea0209f6a9dbc30 (MD5)
  • ORESU-H-17-002
  • description.provenance : Approved for entry into archive by Steven Van Tuyl(steve.vantuyl@oregonstate.edu) on 2017-10-13T18:08:16Z (GMT) No. of bitstreams: 2license_rdf: 1379 bytes, checksum: da3654ba11642cda39be2b66af335aae (MD5)Morphological Documentation of the JTMD Algae - Part 2. the BROWN ALGAE.pdf: 17722500 bytes, checksum: 5c91cf3a149b81f73ea0209f6a9dbc30 (MD5)
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