Sargassum horneri

Sargassum horneri is a species of brown macroalgae that is common along the coast of Japan and Korea. It is an annual algae which has a varying fertile season along the coast. In Wakasa Bay it began to grow in early autumn through winter, becoming matured in Spring, when the sea water temperature was 11.6–15.2 °C (53–59 °F) in average.[1] Also called "devil weed", this species has invaded the Eastern Pacific, beginning in Baja California and advancing north along the California coastline.

Sargassum horneri
Scientific classification
Clade: SAR
Phylum: Ochrophyta
Class: Phaeophyceae
Order: Fucales
Family: Sargassaceae
Genus: Sargassum
Species:
S. horneri
Binomial name
Sargassum horneri
(Turner) C.Agardh

In its natural ecosystem, Sargassum horneri grows attached to a hard substrate and blooms into a kelp forest which encourages and maintains local biodiversity. However, this species of macroalgae is the major component of the northwest Pacific golden tide, a biomass of Sargassum horneri that drifts up the eastern coast of China towards Korea as an invasive species and is detrimental to the coastal ecosystem there.[2]

References
  1. Umezaki, Isamu (1984). "Ecological Studies of Sargassum horneri (TURNER) C. AGARDH in Obama Bay, Japan Sea". Nippon Suisan Gakkaishi. 50 (7): 1193–1200. doi:10.2331/suisan.50.1193.
  2. Byeon, Seo Yeon; Oh, Hyun-Ju; Kim, Sangil; Yun, Suk Hyun; Kang, Ji Hyoun; Park, Sang Rul; Lee, Hyuk Je (2019-05-23). "The origin and population genetic structure of the 'golden tide' seaweeds, Sargassum horneri , in Korean waters". Scientific Reports. 9 (1): 7757. doi:10.1038/s41598-019-44170-x. ISSN 2045-2322. PMC 6533256. PMID 31123297.
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