Durvillaea potatorum explained

Durvillaea potatorum is a large, robust species of southern bull kelp found in Australia.[1]

Description

The species can be confused with Durvillaea amatheiae, which has an overlapping geographic distribution. D. potatorum has a shorter, wider stipe with more limited lateral blade development, whereas D. amatheiae has a shorter, narrow stipe and typically prolific lateral blade development.

Distribution

Durvillaea potatorum is endemic to southeast Australia.[2]

Uses

Durvillaea potatorum was used extensively for clothing and tools by Aboriginal Tasmanians, with uses including material for shoes and bags to transport freshwater and food.[3] [4] Currently, D. potatorum is collected as beach wrack from King Island, where it is then dried as chips and sent to Scotland for phycocolloid extraction.[5]

External links

Notes and References

  1. Weber. Xénia A.. Edgar. Graham J.. Banks. Sam C.. Waters. Jonathan M.. Fraser. Ceridwen I.. 2017. Morphological and phylogenetic investigation into divergence among sympatric Australian southern bull kelps (Durvillaea potatorum and D. amatheiae sp. nov.). Molecular Phylogenetics and Evolution. 107. 630–643. 28017856. 10.1016/j.ympev.2016.12.027.
  2. Ceridwen I.. Fraser. Marcel. Velásquez. Wendy A.. Nelson. Erasmo C.A.. Macaya. Cameron. Hay. 2019. The biogeographic importance of buoyancy in macroalgae: a case study of the southern bull‐kelp genus Durvillaea (Phaeophyceae), including descriptions of two new species. Journal of Phycology. 56 . 1 . 23–36 . 10.1111/jpy.12939. 31642057 . free.
  3. 10.1016/j.marpol.2010.06.010 . Aboriginal uses of seaweeds in temperate Australia: an archival assessment. Journal of Applied Phycology. 30 . 1821–1832 . 2018 . Thurstan. Ruth H. . Brittain. Zoё . Jones. David S. . Cameron. Elizabeth . Dearnaley. Jennifer . Bellgrove. Alecia .
  4. News: Kelp water carrying sculptures mad by Nannette Shaw win Victorian Aboriginal art award. Murtough. Harry. 6 January 2019. The Examiner. 10 July 2020.
  5. Web site: Kelp Industries . Proposal for the harvest and export of native flora under the Environment Protection and Biodiversity Conservation Act 1999 . August 2004 .

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